Bump version to 3.4.1

Signed-off-by: Paris Kasidiaris <paris@sourcelair.com>
Save and restore correctly when drawing from static cache
2018-05-21 16:29:57 +00:00 · 2018-05-21 09:22:34 -07:00
157 changed files with 4057 additions and 20015 deletions
@@ -0,0 +1,11 @@
+<!-- Enter your issue description here -->
+
+## Details
+- Browser and browser version: 
+- OS version: 
+- xterm.js version: 
+
+### Steps to reproduce
+
+1. 
+2. 
@@ -1,17 +0,0 @@
---
-name: Bug report
-about: Create a bug report
---
-
-<!-- ⚠️ Please search existing issues to avoid creating duplicates. ⚠️ -->
-<!-- Describe the bug here. -->
-
-## Details
- Browser and browser version: 
- OS version: 
- xterm.js version: 
-
-### Steps to reproduce
-
-1. 
-2. 
@@ -1,7 +0,0 @@
---
-name: Feature request
-about: Suggest a feature or enhancement
---
-
-<!-- ⚠️ Please search existing issues to avoid creating duplicates. ⚠️ -->
-<!-- Describe the enhancement here. -->
@@ -1,8 +0,0 @@
---
-name: Question
-about: The issue tracker is not for questions. Please ask questions on https://stackoverflow.com/questions/tagged/xtermjs
---
-
-🛑 The issue tracker is not for questions 🛑
-
-If you have a question, please ask it on https://stackoverflow.com/questions/tagged/xtermjs.
@@ -12,13 +12,13 @@ npm-debug.log
 /.idea/
 .env
 build/
+.vscode/
 .DS_Store
 fixtures/typings-test/*.js
 package-lock.json

 # Directories needed for code coverage
-coverage/
-.nyc_output/
+/coverage/

 # Keep bundled code out of Git
 dist/
@@ -0,0 +1,19 @@
+language: node_js
+os:
+  - linux
+node_js:
+  - 6
+before_install:
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test ; fi
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sudo apt-get -qq update ; fi
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sudo apt-get -qq install g++-4.8 ; fi
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then export CXX=g++-4.8 ; fi
+  - npm install -g npm@5.1.0
+env:
+  matrix:
+    - NPM_COMMAND=tsc
+    - NPM_COMMAND=lint
+    - NPM_COMMAND=test
+notifications:
+  email: false
+script: npm run $NPM_COMMAND
@@ -4,7 +4,7 @@
    {
      "type": "node",
      "request": "launch",
-      "name": "Unit Tests",
+      "name": "Mocha Tests",
      "cwd": "${workspaceRoot}",
      "runtimeExecutable": "${workspaceRoot}/node_modules/.bin/mocha",
      "windows": {
@@ -18,27 +18,6 @@
      "sourceMaps": true,
      "outFiles": [ "${workspaceRoot}/lib/**/*.js" ],
      "internalConsoleOptions": "openOnSessionStart"
-    },
-    {
-      "type": "chrome",
-      "request": "launch",
-      "name": "Demo Client",
-      "url": "http://0.0.0.0:3000",
-      "windows": {
-        "url": "http://127.0.0.1:3000"
-      },
-      "webRoot": "${workspaceFolder}/"
-    },
-    {
-      "type": "node",
-      "request": "launch",
-      "name": "Demo Server",
-      "runtimeExecutable": "npm",
-      "runtimeArgs": [
-        "run",
-        "start-debug"
-      ],
-      "port": 9229
    }
  ]
 }
@@ -0,0 +1,8 @@
+{
+    "search.exclude": {
+        "**/node_modules": true,
+        "**/dist": true,
+        "**/build": true,
+        "**/lib": true
+    }
+}
@@ -0,0 +1,120 @@
+List of xterm.js contributors. Updated before every release.
+
+Adrian Labbé <adrilabbelol@gmail.com>
+Aleksandr Andrienko <aandrienko@codenvy.com>
+Aleksandr Andriienko <oandriie@redhat.com>
+Alessandro Nadalin <alessandro.nadalin@gmail.com>
+Alexander Olsson <noseglid@gmail.com>
+Alexandre Petit-Pas <petitpasalexandre@gmail.com>
+Alexey Kontsevoy <alexey@gravitational.com>
+Andres Mejia <amejia004@gmail.com>
+Anish Athalye <me@anishathalye.com>
+Anthony Lapenna <lapenna.anthony@gmail.com>
+Antonin Stefanutti <antonin@stefanutti.fr>
+Antonis Kalipetis <akalipetis@sourcelair.com>
+Anton Skshidlevsky <meefik@gmail.com>
+Anton Yurovskykh <anton.yurovskykh@gmail.com>
+Artem Arbatskiy <artyom.arbatskiy@gmail.com>
+Austin Robertson <austinrobertson@gmail.com>
+ayapi <colors.aya@gmail.com>
+Ben Hall <ben@benhall.me.uk>
+Benjamin Fischer <benjamin.fischer@rwth-aachen.de>
+Benjamin Woodruff <github@benjam.info>
+Bill Church <billchurch@users.noreply.github.com>
+Bob Reid <bobreid@Bobs-MacBook-Pro.local>
+bottleofwater <nison.mael+bottleofwater@gmail.com>
+Brandon Bayer <b@bayer.ws>
+Brian Mock <brian@mockbrian.com>
+Bruno Ribeiro <b.m.fernandes.ribeiro@gmail.com>
+Bruno Ribeito <b.m.fernandes.ribeiro@gmail.com>
+Carson Anderson <carson@betterservers.com>
+CHaBou <chabup@delean.fr>
+Christian Budde Christensen <budde377@gmail.com>
+Christof Marti <chrmarti@microsoft.com>
+Christopher Jeffrey <chjjeffrey@gmail.com>
+coderaiser <mnemonic.enemy@gmail.com>
+Damien Tournoud <damien@platform.sh>
+Dan Brown <jdanbrown@gmail.com>
+Daniel Griffen <dagriffe@microsoft.com>
+Daniel Griffen <daniel@griffen.io>
+Daniel Imms <daimms@microsoft.com>
+Daniel Risacher <drisacher@gmail.com>
+Dan Kaplun <dbkaplun@twitch.tv>
+Darin Morrison <freebroccolo@users.noreply.github.com>
+dcylabs <dcylabs@gmail.com>
+Dominik Csapak <d.csapak@proxmox.com>
+Edgar Andrés Margffoy Tuay <andfoy@gmail.com>
+Elliot Saba <staticfloat@gmail.com>
+Exile <exile@chamber.ee>
+Felipe Gasper <felipe@felipegasper.com>
+Felix <30559812+felixse@users.noreply.github.com>
+ficristo <ficristo.work@gmail.com>
+Gary Ritchie <gary@rstudio.com>
+hiro-su <h.sugipon@gmail.com>
+Ian Lewis <ianlewis@google.com>
+imoses <ido@twiggle.com>
+InDieTasten <indietasten@gmail.com>
+irokas <akasidiari@inf.uth.gr>
+Jakob Gillich <jakob@gillich.me>
+Jan Kuri <jkuri88@gmail.com>
+Jean Bruenn <himself@jeanbruenn.info>
+Jeremy Danyow <jedanyow@microsoft.com>
+Jianhui Zhao <jianhuizhao329@gmail.com>
+Joao Moreno <jomo@microsoft.com>
+Joao Moreno <mail@joaomoreno.com>
+Johannes Zellner <johannes@nebulon.de>
+Jon Austin <jon.i.austin@gmail.com>
+Jon Masters <jon.masters@sky.com>
+Jörg Breitbart <jerch@rockborn.de>
+jpoth <poth.john@gmail.com>
+Justin Luk <jluk@users.noreply.github.com>
+Justin Mecham <justin@mecham.me>
+Kirill Merkushev <lanwen@yandex.ru>
+Krasimir Tsonev <krasimir@outset.ws>
+Ledion Bitincka <lbitincka@gmail.com>
+Linus Unnebäck <linus@folkdatorn.se>
+Luca <LucaT1@users.noreply.github.com>
+Lucian Buzzo <lucian.buzzo@gmail.com>
+Lukas Drgon <lukas.drgon@gmail.com>
+Maël Nison <nison.mael@gmail.com>
+Marc Dumais <marc.dumais@ericsson.com>
+Marek Libra <mlibra@redhat.com>
+Markus F.X.J. Oberhumer <markus@oberhumer.com>
+Martin Chloride <i@martincl2.me>
+Martin Koppehel <martin.koppehel@st.ovgu.de>
+Martin Wang <jiahaow@ca.ibm.com>
+Matt Bierner <matb@microsoft.com>
+Matthew James <matthew.d.james87@gmail.com>
+Michael Irwin <mikesir87@gmail.com>
+Mikko Karvonen <mikko.karvonen@arm.com>
+mofux <t.zilz@mofux.org>
+Nicolas Ramz <nicolas.ramz@gmail.com>
+npezza93 <npezza93@gmail.com>
+Oleksandr Andriienko <oandriie@redhat.com>
+Paris Kasidiaris <pariskasidiaris@gmail.com>
+Paris Kasidiaris <paris@sourcelair.com>
+Peng Xiao <pengxiao@outlook.com>
+Peter Baumgarten <me@peterbaumgarten.com>
+Philip Olson <philip.olson@protonmail.ch>
+pro-src <34285059+pro-src@users.noreply.github.com>
+pro-src <rodneyd.teal@gmail.com>
+Rick Baker <rick@ricktbaker.com>
+runarberg <runar@greenqloud.com>
+Saad Malik <simfox3@gmail.com>
+Samuel Williams <samuel.williams@oriontransfer.co.nz>
+Saswat Das <saswatds@users.noreply.github.com>
+Saul Costa <saul@codevolve.com>
+Shuanglei Tao <tsl0922@gmail.com>
+sitzmar <sitzmar@gmail.com>
+Steven Silvester <steven.silvester@ieee.org>
+stuicey <stuicey@users.noreply.github.com>
+t-amqi <umberos@gmail.com>
+Thanasis Daglis <thanasis@sourcelair.com>
+thomas <thomas@kreativkonzentrat.de>
+Thomas Zilz <t.zilz@mofux.org>
+Tine Jozelj <tine.jozelj@outlook.com>
+Tyler Jewell <tjewell@codenvy.com>
+Vincent Woo <me@vincentwoo.com>
+yutaka <shigure@refy.net>
+YuviPanda <yuvipanda@gmail.com>
+ZHAO Xudong <zxdong@gmail.com>
@@ -1,73 +0,0 @@
-# Contributor Covenant Code of Conduct
-
-## Our Pledge
-
-In the interest of fostering an open and welcoming environment, we as
-contributors and maintainers pledge to making participation in our project and
-our community a harassment-free experience for everyone, regardless of age, body
-size, disability, ethnicity, gender identity and expression, level of experience,
-education, socio-economic status, nationality, personal appearance, race,
-religion, or sexual identity and orientation.
-
-## Our Standards
-
-Examples of behavior that contributes to creating a positive environment
-include:
-
-* Using welcoming and inclusive language
-* Being respectful of differing viewpoints and experiences
-* Gracefully accepting constructive criticism
-* Focusing on what is best for the community
-* Showing empathy towards other community members
-
-Examples of unacceptable behavior by participants include:
-
-* The use of sexualized language or imagery and unwelcome sexual attention or
-  advances
-* Trolling, insulting/derogatory comments, and personal or political attacks
-* Public or private harassment
-* Publishing others' private information, such as a physical or electronic
-  address, without explicit permission
-* Other conduct which could reasonably be considered inappropriate in a
-  professional setting
-
-## Our Responsibilities
-
-Project maintainers are responsible for clarifying the standards of acceptable
-behavior and are expected to take appropriate and fair corrective action in
-response to any instances of unacceptable behavior.
-
-Project maintainers have the right and responsibility to remove, edit, or
-reject comments, commits, code, wiki edits, issues, and other contributions
-that are not aligned to this Code of Conduct, or to ban temporarily or
-permanently any contributor for other behaviors that they deem inappropriate,
-threatening, offensive, or harmful.
-
-## Scope
-
-This Code of Conduct applies both within project spaces and in public spaces
-when an individual is representing the project or its community. Examples of
-representing a project or community include using an official project e-mail
-address, posting via an official social media account, or acting as an appointed
-representative at an online or offline event. Representation of a project may be
-further defined and clarified by project maintainers.
-
-## Enforcement
-
-Instances of abusive, harassing, or otherwise unacceptable behavior may be
-reported by contacting [@Tyriar](https://twitter.com/Tyriar) or [@pariskasid](https://twitter.com/pariskasid) on Twitter. All
-complaints will be reviewed and investigated and will result in a response that
-is deemed necessary and appropriate to the circumstances. The project team is
-obligated to maintain confidentiality with regard to the reporter of an incident.
-Further details of specific enforcement policies may be posted separately.
-
-Project maintainers who do not follow or enforce the Code of Conduct in good
-faith may face temporary or permanent repercussions as determined by other
-members of the project's leadership.
-
-## Attribution
-
-This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
-available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
-
-[homepage]: https://www.contributor-covenant.org
@@ -23,18 +23,16 @@ opening an issue, read these pointers.
 - Mention precisely what went wrong. What did you expect to happen? What happened instead? Describe the
  exact steps a maintainer has to take to make the problem occur.

- If the problem can not be reproduced in the [demo of xterm.js](https://github.com/xtermjs/xterm.js/wiki/Contributing#running-the-demo), please provide an HTML document that demonstrates the problem.
+- If the problem can not be reproduced in the [demo of xterm.js](README.md#demo), please provide an HTML document that demonstrates the problem.

 - Be polite. Issues with an indignant or belligerent tone tend to be moved to the
  bottom of the pile.

 ## Contributing code

-You can find issues to work on by looking at the [help wanted](https://github.com/xtermjs/xterm.js/issues?q=is%3Aissue+is%3Aopen+label%3A%22help+wanted%22) or [good first issue](https://github.com/xtermjs/xterm.js/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+issue%22) issues. It's a good idea to comment on the issue saying that you're taking it, just in case someone else comes along and you duplicate work. Once you have your issue, here are the steps to contribute:
-
+- Make sure you have a [GitHub account](https://github.com/join)
 - Fork [xterm.js](https://github.com/sourcelair/xterm.js/)
  ([how to fork a repo](https://help.github.com/articles/fork-a-repo))
- Get the [xterm.js demo](https://github.com/xtermjs/xterm.js/wiki/Contributing#running-the-demo) running
 - Make your changes
 - If your changes are easy to test or likely to regress, add tests. Tests go into `test`, directory.
 - Follow the general code style of the rest of the project (see below).
@@ -52,3 +50,7 @@ By contributing code to xterm.js you
   holder has explicitly granted the right to use it like this,
   through a compatible open source license or through a direct
   agreement with you.)
+
+### Third party dependencies
+
+We prefer to not include any non-dev third party dependencies in order to keep our code minimal, performant and secure. If you plan on adding a dependency on a third party library it's a good idea to discuss the need in an issue with the maintainers first.
@@ -16,4 +16,4 @@ RUN npm install
 COPY . /usr/src/app

 # Run the tests and build, to make sure everything is working nicely
-RUN npm run build && npm run test
+RUN npm run build && npm run webpack && npm run test
@@ -1,4 +1,3 @@
-Copyright (c) 2017-2018, The xterm.js authors (https://github.com/xtermjs/xterm.js)
 Copyright (c) 2014-2016, SourceLair Private Company (https://www.sourcelair.com)
 Copyright (c) 2012-2013, Christopher Jeffrey (https://github.com/chjj/)

@@ -1,21 +1,21 @@
 # [![xterm.js logo](logo-full.png)](https://xtermjs.org)

-[![Build Status](https://dev.azure.com/xtermjs/xterm.js/_apis/build/status/xtermjs.xterm.js)](https://dev.azure.com/xtermjs/xterm.js/_build/latest?definitionId=3)
-[![Coverage Status](https://coveralls.io/repos/github/xtermjs/xterm.js/badge.svg?branch=master)](https://coveralls.io/github/xtermjs/xterm.js?branch=master)
+[![xterm.js build status](https://api.travis-ci.org/xtermjs/xterm.js.svg)](https://travis-ci.org/xtermjs/xterm.js) [![Coverage Status](https://coveralls.io/repos/github/xtermjs/xterm.js/badge.svg?branch=master)](https://coveralls.io/github/xtermjs/xterm.js?branch=master) [![Gitter](https://badges.gitter.im/sourcelair/xterm.js.svg)](https://gitter.im/sourcelair/xterm.js?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge) [![jsDelivr Hits](https://data.jsdelivr.com/v1/package/npm/xterm/badge?style=rounded)](https://www.jsdelivr.com/package/npm/xterm)

-Xterm.js is a front-end component written in TypeScript that lets applications bring fully-featured terminals to their users in the browser. It's used by popular projects such as VS Code, Hyper and Theia.
+Xterm.js is a terminal front-end component written in JavaScript that works in the browser.
+
+It enables applications to provide fully featured terminals to their users and create great development experiences.

 ## Features
-
- **Terminal apps just work**: Xterm.js works with most terminal apps such as `bash`, `vim` and `tmux`, this includes support for curses-based apps and mouse event support
- **Perfomant**: Xterm.js is *really* fast, it even includes a GPU-accelerated renderer
- **Rich unicode support**: Supports CJK, emojis and IMEs
- **Self-contained**: Requires zero dependencies to work
- **Accessible**: Screen reader support can be turned on using the `screenReaderMode` option
- **And much more**: Links, theming, addons, well documented API, etc.
+- **Text-based application support**: Use xterm.js to work with applications like `bash`, `git` etc.
+- **Curses-based application support**: Use xterm.js to work with applications like `vim`, `tmux` etc.
+- **Mouse events support**: Xterm.js captures mouse events like click and scroll and passes them to the terminal's back-end controlling process
+- **CJK (Chinese, Japanese, Korean) character support**: Xterm.js renders CJK characters seamlessly
+- **IME support**: Insert international (including CJK) characters using IME input with your keyboard
+- **Self-contained library**: Xterm.js works on its own. It does not require any external libraries like jQuery or React to work
+- **Modular, event-based API**: Lets you build addons and themes with ease

 ## What xterm.js is not
-
 - Xterm.js is not a terminal application that you can download and use on your computer
 - Xterm.js is not `bash`. Xterm.js can be connected to processes like `bash` and let you interact with them (provide input, receive output)

@@ -27,7 +27,7 @@ First you need to install the module, we ship exclusively through [npm](https://
 npm install xterm
 ```

-To start using xterm.js on your browser, add the `xterm.js` and `xterm.css` to the head of your html page. Then create a `<div id="terminal"></div>` onto which xterm can attach itself. Finally instantiate the `Terminal` object and then call the `open` function with the DOM object of the `div`.
+To start using xterm.js on your browser, add the `xterm.js` and `xterm.css` to the head of your html page. Then create a `<div id="terminal"></div>` onto which xterm can attach itself.

 ```html
 <!doctype html>
@@ -39,7 +39,7 @@ To start using xterm.js on your browser, add the `xterm.js` and `xterm.css` to t
    <body>
      <div id="terminal"></div>
      <script>
-        var term = new Terminal();
+      	var term = new Terminal();
        term.open(document.getElementById('terminal'));
        term.write('Hello from \x1B[1;3;31mxterm.js\x1B[0m $ ')
      </script>
@@ -47,9 +47,11 @@ To start using xterm.js on your browser, add the `xterm.js` and `xterm.css` to t
  </html>
 ```

+Finally instantiate the `Terminal` object and then call the `open` function with the DOM object of the `div`.
+
 ### Importing

-The recommended way to load xterm.js is via the ES6 module syntax:
+The proposed way to load xterm.js is via the ES6 module syntax.

 ```javascript
 import { Terminal } from 'xterm';
@@ -57,34 +59,42 @@ import { Terminal } from 'xterm';

 ### Addons

-Addons are JavaScript modules that extend the `Terminal` prototype with new methods and attributes to provide additional functionality. There are a handful available in the main repository in the `src/addons` directory and you can even write your own by using the [public API](https://github.com/xtermjs/xterm.js/blob/master/typings/xterm.d.ts).
+Addons are JavaScript modules that extend the `Terminal` prototype with new methods and attributes to provide additional functionality. There are a handful available in the main repository in the `src/addons` directory and you can even write your own, by using xterm.js' public API.

 To use an addon, just import the JavaScript module and pass it to `Terminal`'s `applyAddon` method:

 ```javascript
-import { Terminal } from 'xterm';
+import { Terminal } from xterm;
 import * as fit from 'xterm/lib/addons/fit/fit';

+
 Terminal.applyAddon(fit);

 var xterm = new Terminal();  // Instantiate the terminal
 xterm.fit();                 // Use the `fit` method, provided by the `fit` addon
 ```

-You will also need to include the addon's CSS file if it has one in the folder.
-
 #### Importing Addons in TypeScript

-There are currently no typings for addons if they are accessed via extending Terminal prototype, so you will need to upcast if using TypeScript, eg. `(xterm as any).fit()`. Alternatively, you can import the addon function and enhance the terminal on demand. This has better typing support and is friendly to treeshaking.
+There are currently no typings for addons if they are accessed via extending Terminal prototype, so you will need to upcast if using TypeScript, eg. `(<any>xterm).fit()`.
+
+Alternatively, you can import addon function and enhance the terminal on demand. This would have better typing support and is friendly to treeshaking. E.g.:

 ```typescript
 import { Terminal } from 'xterm';
 import { fit } from 'xterm/lib/addons/fit/fit';
 const xterm = new Terminal();

-fit(xterm);  // Fit the terminal when necessary
+// Fit the terminal when necessary:
+fit(xterm);
 ```

+#### Third party addons
+
+There are also the following third party addons available:
+
+- [xterm-webfont](https://www.npmjs.com/package/xterm-webfont)
+
 ## Browser Support

 Since xterm.js is typically implemented as a developer tool, only modern browsers are supported officially. Here is a list of the versions we aim to support:
@@ -95,13 +105,7 @@ Since xterm.js is typically implemented as a developer tool, only modern browser
 - Safari latest
 - IE11

-Xterm.js works seamlessly in [Electron](https://electronjs.org/) apps and may even work on earlier versions of the browsers, these are the versions we strive to keep working.
-
-## API
-
-The full API for xterm.js is contained within the [TypeScript declaration file](https://github.com/xtermjs/xterm.js/blob/master/typings/xterm.d.ts), use the branch/tag picker in GitHub (`w`) to navigate to the correct version of the API.
-
-Note that some APIs are marked *experimental*, these are added to enable experimentation with new ideas without committing to support it like a normal [semver](https://semver.org/) API. Note that these APIs can change radically between versions so be sure to read release notes if you plan on using experimental APIs.
+Xterm.js works seamlessly in Electron apps and may even work on earlier versions of the browsers but these are the browsers we strive to keep working.

 ## Real-world uses
 Xterm.js is used in several world-class applications to provide great terminal experiences.
@@ -140,39 +144,105 @@ computational environment for Jupyter, supporting interactive data science and s
 - [**rtty**](https://github.com/zhaojh329/rtty): A reverse proxy WebTTY. It is composed of the client and the server.
 - [**Pisth**](https://github.com/ColdGrub1384/Pisth): An SFTP and SSH client for iOS
 - [**abstruse**](https://github.com/bleenco/abstruse): Abstruse CI is a continuous integration platform based on Node.JS and Docker.
- [**Azure Data Studio**](https://github.com/Microsoft/azuredatastudio): A data management tool that enables working with SQL Server, Azure SQL DB and SQL DW from Windows, macOS and Linux.
+- [**Microsoft SQL Operations Studio**](https://github.com/Microsoft/sqlopsstudio): A data management tool that enables working with SQL Server, Azure SQL DB and SQL DW from Windows, macOS and Linux
 - [**FreeMAN**](https://github.com/matthew-matvei/freeman): A free, cross-platform file manager for power users
 - [**Fluent Terminal**](https://github.com/felixse/FluentTerminal): A terminal emulator based on UWP and web technologies.
 - [**Hyper**](https://hyper.is): A terminal built on web technologies
 - [**Diag**](https://diag.ai): A better way to troubleshoot problems faster. Capture, share and reapply troubleshooting knowledge so you can focus on solving problems that matter.
- [**GoTTY**](https://github.com/yudai/gotty): A simple command line tool that shares your terminal as a web application based on xterm.js.
- [**genact**](https://github.com/svenstaro/genact): A nonsense activity generator.
- [**cPanel & WHM**](https://cpanel.com): The hosting platform of choice.
- [**Nutanix**](https://github.com/nutanix): Nutanix Enterprise Cloud uses xterm in the webssh functionality within Nutanix Calm, and is also looking to move our old noserial (termjs) functionality to xterm.js
- [**SSH Web Client**](https://github.com/roke22/PHP-SSH2-Web-Client): SSH Web Client with PHP.
- [**Shellvault**](https://www.shellvault.io): The cloud-based SSH terminal you can access from anywhere.
- [**Juno**](http://junolab.org/): A flexible Julia IDE, based on Atom.
- [**webssh**](https://github.com/huashengdun/webssh): Web based ssh client.
- [**info-beamer hosted**](https://info-beamer.com): Uses Xterm.js to manage digital signage devices from the web dashboard.

-[And much more...](https://github.com/xtermjs/xterm.js/network/dependents)
+Do you use xterm.js in your application as well? Please [open a Pull Request](https://github.com/sourcelair/xterm.js/pulls) to include it here. We would love to have it in our list.

-Do you use xterm.js in your application as well? Please [open a Pull Request](https://github.com/sourcelair/xterm.js/pulls) to include it here. We would love to have it in our list. Note: Please add any new contributions to the end of the list only.
+## Demo
+
+Xterm.js ships with a barebones demo implementation, designed for the development and evaluation of the library only. Exposing the demo to the public as is would introduce security risks for the host.
+
+Below you can find instructions on how to run the demo on different platforms.
+
+### SourceLair
+
+SourceLair will run the demo and builder in parallel automatically. Just make sure to choose the "Node.js" project type, when cloning the xterm.js repo (or just use this shortcut; https://lair.io/xtermjs/xtermjs).
+
+Then open your project's [Public URL](https://help.sourcelair.com/projects/the-public-url/) to access the demo.
+
+### Docker
+
+First, make sure you have Docker Engine 1.13.0 (or newer) and Docker Compose 1.10.0 (or newer).
+
+Xterm.js [provides a pre-built Docker image](https://hub.docker.com/r/xtermjs/xterm.js/) to help run the demo easily (Git tags are built as [tagged Docker images](https://hub.docker.com/r/xtermjs/xterm.js/tags/) too).
+
+To run the just demo (with no editing access). run the following command in your terminal:
+
+```
+docker run -p 3000:3000 xtermjs/xterm.js
+```
+
+Then open http://0.0.0.0:3000 in a web browser to access the demo.
+
+To run the demo and builder in parallel, run the following command in your terminal:
+
+```
+docker-compose up
+```
+
+Then open http://0.0.0.0:3000 in a web browser to access the demo. If you prefer a different port than `3000` to access the xterm.js demo, then set the `XTERMJS_PORT` environment variable to the desired port.
+
+### Foreman (or other Procfile runner)
+
+First, be sure that a C++ compiler such as GCC-C++ or Clang is installed, then run the following commands in your terminal:
+
+```
+npm install
+foreman start  # Replace foreman with "honcho", "forego" etc. depending on your runner
+```
+
+Then open http://0.0.0.0:3000 in a web browser to access the demo.
+
+### Linux or macOS
+
+First, be sure that a C++ compiler such as GCC-C++ or Clang is installed, then run the following commands in your terminal:
+
+```
+npm install
+npm start      # Run this in its own terminal
+npm run watch  # Run this in its own terminal
+```
+
+Then open http://0.0.0.0:3000 in a web browser to access the demo.
+
+### Windows
+
+First, ensure [node-gyp](https://github.com/nodejs/node-gyp) is installed and configured correctly, then run the following commands in your terminal:
+
+```
+npm install
+npm start      # Run this in its own terminal
+npm run watch  # Run this in its own terminal
+```
+
+Then open http://127.0.0.1:3000 in a web browser to access the demo.
+
+*Note: Do not use ConEmu, as it seems to break the demo for some reason.*

 ## Releases

 Xterm.js follows a monthly release cycle roughly.

-All current and past releases are available on this repo's [Releases page](https://github.com/sourcelair/xterm.js/releases), while a rough roadmap is available by looking through [Milestones](https://github.com/sourcelair/xterm.js/milestones).
+The existing releases are available at this GitHub repo's [Releases](https://github.com/sourcelair/xterm.js/releases), while the roadmap is available as [Milestones](https://github.com/sourcelair/xterm.js/milestones).

-## Contributing
+## Development and Contribution

-You can read the [guide on the wiki](https://github.com/xtermjs/xterm.js/wiki/Contributing) to learn how to contribute and setup xterm.js for development.
+Xterm.js is maintained by [SourceLair](https://www.sourcelair.com/) and a few external contributors, but we would love to receive contributions from everyone!
+
+To contribute either code, documentation or issues to xterm.js please read the [Contributing document](CONTRIBUTING.md) beforehand. The development of xterm.js does not require any special tool. All you need is an editor that supports JavaScript/TypeScript and a browser. You will need Node.js installed locally to get all the features working in the demo.
+
+### Code structure
+
+`src/` is roughly split up into areas of functionality such as `renderer/` that handles all rendering and `utils/` which provides general utility functions. The `shared/` folder contains code that can be used from either the main thread or a web worker thread, all code inside a `shared/` folder should only ever import other code from a `shared/` folder to minimize the amount of code run what launching a web worker.

 ## License Agreement

 If you contribute code to this project, you are implicitly allowing your code to be distributed under the MIT license. You are also implicitly verifying that all code is your original work.

-Copyright (c) 2017-2018, [The xterm.js authors](https://github.com/xtermjs/xterm.js/graphs/contributors) (MIT License)<br>
-Copyright (c) 2014-2017, SourceLair, Private Company ([www.sourcelair.com](https://www.sourcelair.com/home)) (MIT License)<br>
+Copyright (c) 2017-2018, [The xterm.js authors](https://github.com/xtermjs/xterm.js/graphs/contributors) (MIT License)
+Copyright (c) 2014-2017, SourceLair, Private Company ([www.sourcelair.com](https://www.sourcelair.com/home)) (MIT License)
 Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
@@ -1,68 +0,0 @@
-# Node.js
-# Build a general Node.js application with npm.
-# Add steps that analyze code, save build artifacts, deploy, and more:
-# https://docs.microsoft.com/vsts/pipelines/languages/javascript
-
-jobs:
- job: Linux
-  pool:
-    vmImage: 'ubuntu-16.04'
-  steps:
-  - task: NodeTool@0
-    inputs:
-      versionSpec: '8.x'
-    displayName: 'Install Node.js'
-  - task: geeklearningio.gl-vsts-tasks-yarn.yarn-installer-task.YarnInstaller@2
-    inputs:
-      versionSpec: "1.9.4"
-    displayName: 'Install Yarn'
-  - script: |
-      yarn
-    displayName: 'Install dependencies and build'
-  - script: |
-      yarn mocha
-    displayName: 'Test'
-  - script: |
-      yarn lint
-    displayName: 'Lint'
-
- job: macOS
-  pool:
-    vmImage: 'xcode9-macos10.13'
-  steps:
-  - task: NodeTool@0
-    inputs:
-      versionSpec: '8.x'
-    displayName: 'Install Node.js'
-  - script: |
-      yarn
-    displayName: 'Install dependencies and build'
-  - script: |
-      yarn mocha
-    displayName: 'Test'
-  - script: |
-      yarn lint
-    displayName: 'Lint'
-  - script: |
-      yarn test-coverage
-      export COVERALLS_GIT_BRANCH=$BUILD_SOURCEBRANCH
-      yarn coveralls
-    displayName: 'Generate and publish coverage'
-
- job: Windows
-  pool:
-    vmImage: 'vs2017-win2016'
-  steps:
-  - task: NodeTool@0
-    inputs:
-      versionSpec: '8.x'
-    displayName: 'Install Node.js'
-  - script: |
-      yarn
-    displayName: 'Install dependencies and build'
-  - script: |
-      yarn mocha
-    displayName: 'Test'
-  - script: |
-      yarn lint
-    displayName: 'Lint'
@@ -0,0 +1,7 @@
+#! /usr/bin/env sh
+
+tail --lines=+3 AUTHORS > AUTHORS.tmp
+git log --format='%aN <%aE>' >> AUTHORS.tmp
+echo "List of xterm.js contributors. Updated before every release.\n" > AUTHORS
+sort -u AUTHORS.tmp >> AUTHORS
+rm -f AUTHORS.tmp
@@ -17,6 +17,9 @@ CURRENT_PACKAGE_JSON_VERSION=$(cat package.json \
 export BUILD_DIR=dist
 npm run build

+# Update AUTHORS file
+sh bin/generate-authors
+
 # Update version in package.json
 sed -i "s/\"version\": \"$CURRENT_PACKAGE_JSON_VERSION\"/\"version\": \"$NEW_VERSION\"/g" package.json

@@ -0,0 +1,88 @@
+var express = require('express');
+var app = express();
+var expressWs = require('express-ws')(app);
+var os = require('os');
+var pty = require('node-pty');
+
+var terminals = {},
+    logs = {};
+
+app.use('/build', express.static(__dirname + '/../build'));
+
+app.get('/', function(req, res){
+  res.sendFile(__dirname + '/index.html');
+});
+
+app.get('/style.css', function(req, res){
+  res.sendFile(__dirname + '/style.css');
+});
+
+app.get('/dist/bundle.js', function(req, res){
+  res.sendFile(__dirname + '/dist/bundle.js');
+});
+
+app.get('/dist/bundle.js.map', function(req, res){
+  res.sendFile(__dirname + '/dist/bundle.js.map');
+});
+
+app.post('/terminals', function (req, res) {
+  var cols = parseInt(req.query.cols),
+      rows = parseInt(req.query.rows),
+      term = pty.spawn(process.platform === 'win32' ? 'cmd.exe' : 'bash', [], {
+        name: 'xterm-color',
+        cols: cols || 80,
+        rows: rows || 24,
+        cwd: process.env.PWD,
+        env: process.env
+      });
+
+  console.log('Created terminal with PID: ' + term.pid);
+  terminals[term.pid] = term;
+  logs[term.pid] = '';
+  term.on('data', function(data) {
+    logs[term.pid] += data;
+  });
+  res.send(term.pid.toString());
+  res.end();
+});
+
+app.post('/terminals/:pid/size', function (req, res) {
+  var pid = parseInt(req.params.pid),
+      cols = parseInt(req.query.cols),
+      rows = parseInt(req.query.rows),
+      term = terminals[pid];
+
+  term.resize(cols, rows);
+  console.log('Resized terminal ' + pid + ' to ' + cols + ' cols and ' + rows + ' rows.');
+  res.end();
+});
+
+app.ws('/terminals/:pid', function (ws, req) {
+  var term = terminals[parseInt(req.params.pid)];
+  console.log('Connected to terminal ' + term.pid);
+  ws.send(logs[term.pid]);
+
+  term.on('data', function(data) {
+    try {
+      ws.send(data);
+    } catch (ex) {
+      // The WebSocket is not open, ignore
+    }
+  });
+  ws.on('message', function(msg) {
+    term.write(msg);
+  });
+  ws.on('close', function () {
+    term.kill();
+    console.log('Closed terminal ' + term.pid);
+    // Clean things up
+    delete terminals[term.pid];
+    delete logs[term.pid];
+  });
+});
+
+var port = process.env.PORT || 3000,
+    host = os.platform() === 'win32' ? '127.0.0.1' : '0.0.0.0';
+
+console.log('App listening to http://' + host + ':' + port);
+app.listen(port, host);
@@ -1,291 +0,0 @@
-/**
- * Copyright (c) 2018 The xterm.js authors. All rights reserved.
- * @license MIT
- *
- * This file is the entry point for browserify.
- */
-
-/// <reference path="../typings/xterm.d.ts"/>
-
-import { Terminal } from '../lib/public/Terminal';
-import * as attach from '../lib/addons/attach/attach';
-import * as fit from '../lib/addons/fit/fit';
-import * as fullscreen from '../lib/addons/fullscreen/fullscreen';
-import * as search from '../lib/addons/search/search';
-import * as webLinks from '../lib/addons/webLinks/webLinks';
-import * as winptyCompat from '../lib/addons/winptyCompat/winptyCompat';
-import { ISearchOptions } from '../lib/addons/search/Interfaces';
-
-// Pulling in the module's types relies on the <reference> above, it's looks a
-// little weird here as we're importing "this" module
-import { Terminal as TerminalType } from 'xterm';
-
-export interface IWindowWithTerminal extends Window {
-  term: TerminalType;
-}
-declare let window: IWindowWithTerminal;
-
-Terminal.applyAddon(attach);
-Terminal.applyAddon(fit);
-Terminal.applyAddon(fullscreen);
-Terminal.applyAddon(search);
-Terminal.applyAddon(webLinks);
-Terminal.applyAddon(winptyCompat);
-
-
-let term;
-let protocol;
-let socketURL;
-let socket;
-let pid;
-
-const terminalContainer = document.getElementById('terminal-container');
-const actionElements = {
-  findNext: <HTMLInputElement>document.querySelector('#find-next'),
-  findPrevious: <HTMLInputElement>document.querySelector('#find-previous')
-};
-const paddingElement = <HTMLInputElement>document.getElementById('padding');
-
-function setPadding(): void {
-  term.element.style.padding = parseInt(paddingElement.value, 10).toString() + 'px';
-  term.fit();
-}
-
-function getSearchOptions(): ISearchOptions {
-  return {
-    regex: (document.getElementById('regex') as HTMLInputElement).checked,
-    wholeWord: (document.getElementById('whole-word') as HTMLInputElement).checked,
-    caseSensitive: (document.getElementById('case-sensitive') as HTMLInputElement).checked
-  };
-}
-
-createTerminal();
-
-const disposeRecreateButtonHandler = () => {
-  // If the terminal exists dispose of it, otherwise recreate it
-  if (term) {
-    term.dispose();
-    term = null;
-    window.term = null;
-    socket = null;
-    document.getElementById('dispose').innerHTML = 'Recreate Terminal';
-  }
-  else {
-    createTerminal();
-    document.getElementById('dispose').innerHTML = 'Dispose terminal';
-  }
-};
-
-document.getElementById('dispose').addEventListener('click', disposeRecreateButtonHandler);
-
-function createTerminal(): void {
-  // Clean terminal
-  while (terminalContainer.children.length) {
-    terminalContainer.removeChild(terminalContainer.children[0]);
-  }
-  term = new Terminal({});
-  window.term = term;  // Expose `term` to window for debugging purposes
-  term.on('resize', (size: { cols: number, rows: number }) => {
-    if (!pid) {
-      return;
-    }
-    const cols = size.cols;
-    const rows = size.rows;
-    const url = '/terminals/' + pid + '/size?cols=' + cols + '&rows=' + rows;
-
-    fetch(url, {method: 'POST'});
-  });
-  protocol = (location.protocol === 'https:') ? 'wss://' : 'ws://';
-  socketURL = protocol + location.hostname + ((location.port) ? (':' + location.port) : '') + '/terminals/';
-
-  term.open(terminalContainer);
-  term.winptyCompatInit();
-  term.webLinksInit();
-  term.fit();
-  term.focus();
-
-  addDomListener(paddingElement, 'change', setPadding);
-
-  addDomListener(actionElements.findNext, 'keyup', (e) => {
-    const searchOptions = getSearchOptions();
-    searchOptions.incremental = e.key !== `Enter`;
-    term.findNext(actionElements.findNext.value, searchOptions);
-  });
-
-  addDomListener(actionElements.findPrevious, 'keyup', (e) => {
-    if (e.key === `Enter`) {
-      term.findPrevious(actionElements.findPrevious.value, getSearchOptions());
-    }
-  });
-
-  // fit is called within a setTimeout, cols and rows need this.
-  setTimeout(() => {
-    initOptions(term);
-    // TODO: Clean this up, opt-cols/rows doesn't exist anymore
-    (<HTMLInputElement>document.getElementById(`opt-cols`)).value = term.cols;
-    (<HTMLInputElement>document.getElementById(`opt-rows`)).value = term.rows;
-    paddingElement.value = '0';
-
-    // Set terminal size again to set the specific dimensions on the demo
-    updateTerminalSize();
-
-    fetch('/terminals?cols=' + term.cols + '&rows=' + term.rows, {method: 'POST'}).then((res) => {
-      res.text().then((processId) => {
-        pid = processId;
-        socketURL += processId;
-        socket = new WebSocket(socketURL);
-        socket.onopen = runRealTerminal;
-        socket.onclose = runFakeTerminal;
-        socket.onerror = runFakeTerminal;
-      });
-    });
-  }, 0);
-}
-
-function runRealTerminal(): void {
-  term.attach(socket);
-  term._initialized = true;
-}
-
-function runFakeTerminal(): void {
-  if (term._initialized) {
-    return;
-  }
-
-  term._initialized = true;
-
-  term.prompt = () => {
-    term.write('\r\n$ ');
-  };
-
-  term.writeln('Welcome to xterm.js');
-  term.writeln('This is a local terminal emulation, without a real terminal in the back-end.');
-  term.writeln('Type some keys and commands to play around.');
-  term.writeln('');
-  term.prompt();
-
-  term._core.register(term.addDisposableListener('key', (key, ev) => {
-    const printable = !ev.altKey && !ev.altGraphKey && !ev.ctrlKey && !ev.metaKey;
-
-    if (ev.keyCode === 13) {
-      term.prompt();
-    } else if (ev.keyCode === 8) {
-     // Do not delete the prompt
-      if (term.x > 2) {
-        term.write('\b \b');
-      }
-    } else if (printable) {
-      term.write(key);
-    }
-  }));
-
-  term._core.register(term.addDisposableListener('paste', (data, ev) => {
-    term.write(data);
-  }));
-}
-
-function initOptions(term: TerminalType): void {
-  const blacklistedOptions = [
-    // Internal only options
-    'cancelEvents',
-    'convertEol',
-    'debug',
-    'handler',
-    'screenKeys',
-    'termName',
-    'useFlowControl',
-    // Complex option
-    'theme'
-  ];
-  const stringOptions = {
-    bellSound: null,
-    bellStyle: ['none', 'sound'],
-    cursorStyle: ['block', 'underline', 'bar'],
-    experimentalCharAtlas: ['none', 'static', 'dynamic'],
-    fontFamily: null,
-    fontWeight: ['normal', 'bold', '100', '200', '300', '400', '500', '600', '700', '800', '900'],
-    fontWeightBold: ['normal', 'bold', '100', '200', '300', '400', '500', '600', '700', '800', '900'],
-    rendererType: ['dom', 'canvas']
-  };
-  const options = Object.keys((<any>term)._core.options);
-  const booleanOptions = [];
-  const numberOptions = [];
-  options.filter(o => blacklistedOptions.indexOf(o) === -1).forEach(o => {
-    switch (typeof term.getOption(o)) {
-      case 'boolean':
-        booleanOptions.push(o);
-        break;
-      case 'number':
-        numberOptions.push(o);
-        break;
-      default:
-        if (Object.keys(stringOptions).indexOf(o) === -1) {
-          console.warn(`Unrecognized option: "${o}"`);
-        }
-    }
-  });
-
-  let html = '';
-  html += '<div class="option-group">';
-  booleanOptions.forEach(o => {
-    html += `<div class="option"><label><input id="opt-${o}" type="checkbox" ${term.getOption(o) ? 'checked' : ''}/> ${o}</label></div>`;
-  });
-  html += '</div><div class="option-group">';
-  numberOptions.forEach(o => {
-    html += `<div class="option"><label>${o} <input id="opt-${o}" type="number" value="${term.getOption(o)}" step="${o === 'lineHeight' ? '0.1' : '1'}"/></label></div>`;
-  });
-  html += '</div><div class="option-group">';
-  Object.keys(stringOptions).forEach(o => {
-    if (stringOptions[o]) {
-      html += `<div class="option"><label>${o} <select id="opt-${o}">${stringOptions[o].map(v => `<option ${term.getOption(o) === v ? 'selected' : ''}>${v}</option>`).join('')}</select></label></div>`;
-    } else {
-      html += `<div class="option"><label>${o} <input id="opt-${o}" type="text" value="${term.getOption(o)}"/></label></div>`;
-    }
-  });
-  html += '</div>';
-
-  const container = document.getElementById('options-container');
-  container.innerHTML = html;
-
-  // Attach listeners
-  booleanOptions.forEach(o => {
-    const input = <HTMLInputElement>document.getElementById(`opt-${o}`);
-    addDomListener(input, 'change', () => {
-      console.log('change', o, input.checked);
-      term.setOption(o, input.checked);
-    });
-  });
-  numberOptions.forEach(o => {
-    const input = <HTMLInputElement>document.getElementById(`opt-${o}`);
-    addDomListener(input, 'change', () => {
-      console.log('change', o, input.value);
-      if (o === 'cols' || o === 'rows') {
-        updateTerminalSize();
-      } else {
-        term.setOption(o, o === 'lineHeight' ? parseFloat(input.value) : parseInt(input.value, 10));
-      }
-    });
-  });
-  Object.keys(stringOptions).forEach(o => {
-    const input = <HTMLInputElement>document.getElementById(`opt-${o}`);
-    addDomListener(input, 'change', () => {
-      console.log('change', o, input.value);
-      term.setOption(o, input.value);
-    });
-  });
-}
-
-function addDomListener(element: HTMLElement, type: string, handler: (...args: any[]) => any): void {
-  element.addEventListener(type, handler);
-  term._core.register({ dispose: () => element.removeEventListener(type, handler) });
-}
-
-function updateTerminalSize(): void {
-  const cols = parseInt((<HTMLInputElement>document.getElementById(`opt-cols`)).value, 10);
-  const rows = parseInt((<HTMLInputElement>document.getElementById(`opt-rows`)).value, 10);
-  const width = (cols * term._core.renderer.dimensions.actualCellWidth + term._core.viewport.scrollBarWidth).toString() + 'px';
-  const height = (rows * term._core.renderer.dimensions.actualCellHeight).toString() + 'px';
-  terminalContainer.style.width = width;
-  terminalContainer.style.height = height;
-  term.fit();
-}
@@ -1,41 +1,95 @@
 <!doctype html>
 <html>
-  <head>
-    <title>xterm.js demo</title>
-    <link rel="stylesheet" href="/build/xterm.css" />
-    <link rel="stylesheet" href="/build/addons/fullscreen/fullscreen.css" />
-    <link rel="stylesheet" href="style.css" />
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/es6-promise/4.1.1/es6-promise.auto.min.js"></script>
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/fetch/1.0.0/fetch.min.js"></script>
-  </head>
-  <body>
-    <h1 style="color: #2D2E2C">xterm.js: A terminal for the <em style="color: #5DA5D5">web</em></h1>
-    <div id="terminal-container"></div>
-    <div>
-      <h3>Actions</h3>
-      <p>
-        <label>Find next <input id="find-next"/></label>
-        <label>Find previous <input id="find-previous"/></label>
-        <label>Use regex<input type="checkbox" id="regex"/></label> 
-        <label>Case sensitive<input type="checkbox" id="case-sensitive"/></label>
-        <label>Whole word<input type="checkbox" id="whole-word"/></label>
-      </p>
-    </div>
-    <div>
-      <h3>Options</h3>
-      <p>These options can be set in the <code>Terminal</code> constructor or using the <code>Terminal.setOption</code> function.</p>
-      <div id="options-container"></div>
-    </div>
-    <div>
-      <h3>Style</h3>
-      <div style="display: inline-block; margin-right: 16px;">
-        <label for="padding">Padding</label>
-        <input type="number" id="padding" />
-      </div>
-    </div>
-    <hr/>
-    <p><strong>Attention:</strong> The demo is a barebones implementation and is designed for the development and evaluation of xterm.js only. Exposing the demo to the public as is would introduce security risks for the host.</p>
-    <button id="dispose" title="This is used to testing memory leaks">Dispose terminal</button>
-    <script src="dist/client-bundle.js" defer ></script>
-  </body>
+    <head>
+        <title>xterm.js demo</title>
+        <link rel="stylesheet" href="/build/xterm.css" />
+        <link rel="stylesheet" href="/build/addons/fullscreen/fullscreen.css" />
+        <link rel="stylesheet" href="style.css" />
+      	<script src="https://cdnjs.cloudflare.com/ajax/libs/es6-promise/4.1.1/es6-promise.auto.min.js"></script>
+      	<script src="https://cdnjs.cloudflare.com/ajax/libs/fetch/1.0.0/fetch.min.js"></script>
+    </head>
+    <body>
+        <h1 style="color: #2D2E2C">xterm.js: A terminal for the <em style="color: #5DA5D5">web</em></h1>
+        <div id="terminal-container"></div>
+        <div>
+          <h2>Actions</h2>
+          <p>
+            <label>Find next <input id="find-next"/></label>
+            <label>Find previous <input id="find-previous"/></label>
+          </p>
+        </div>
+        <div>
+          <h2>Options</h2>
+          <p>
+            <label><input type="checkbox" id="option-cursor-blink"> cursorBlink</label>
+          </p>
+          <p>
+            <label><input type="checkbox" id="option-mac-option-is-meta"> macOptionIsMeta</label>
+          </p>
+          <p>
+            <label><input type="checkbox" id="option-transparency"> transparency</label>
+          </p>
+          <p>
+            <label>
+              cursorStyle
+              <select id="option-cursor-style">
+                <option value="block">block</option>
+                <option value="underline">underline</option>
+                <option value="bar">bar</option>
+              </select>
+            </label>
+          </p>
+          <p>
+            <label>
+              bellStyle
+              <select id="option-bell-style">
+                <option value="">none</option>
+                <option value="sound">sound</option>
+                <option value="visual">visual</option>
+                <option value="both">both</option>
+              </select>
+            </label>
+          </p>
+          <p>
+            <label>scrollback <input type="number" id="option-scrollback" value="1000" /></label>
+          </p>
+          <p>
+            <label>tabStopWidth <input type="number" id="option-tabstopwidth" value="8" /></label>
+          </p>
+          <p>
+            <label>
+              experimentalCharAtlas
+              <select id="option-experimental-char-atlas">
+                <option value="static" selected>static</option>
+                <option value="dynamic">dynamic</option>
+                <option value="none">none</option>
+              </select>
+            </label>
+          </p>
+          <div>
+          	<h3>Size</h3>
+            <div>
+              <div style="display: inline-block; margin-right: 16px;">
+                <label for="cols">Columns</label>
+                <input type="number" id="cols" />
+              </div>
+              <div style="display: inline-block; margin-right: 16px;">
+                <label for="rows">Rows</label>
+                <input type="number" id="rows" />
+              </div>
+              <div style="display: inline-block; margin-right: 16px;">
+                <label for="padding">Padding</label>
+                <input type="number" id="padding" />
+              </div>
+            </div>
+          </div>
+          <div>
+            <h3>Accessibility</h3>
+            <p>
+              <label><input type="checkbox" id="option-screen-reader-mode"> screenReaderMode</label>
+            </p>
+        </div>
+        <p><strong>Attention:</strong> The demo is a barebones implementation and is designed for the development and evaluation of xterm.js only. Exposing the demo to the public as is would introduce security risks for the host.</p>
+        <script src="dist/bundle.js" defer ></script>
+    </body>
 </html>
@@ -0,0 +1,207 @@
+import * as Terminal from '../build/xterm';
+import * as attach from '../build/addons/attach/attach';
+import * as fit from '../build/addons/fit/fit';
+import * as fullscreen from '../build/addons/fullscreen/fullscreen';
+import * as search from '../build/addons/search/search';
+import * as webLinks from '../build/addons/webLinks/webLinks';
+import * as winptyCompat from '../build/addons/winptyCompat/winptyCompat';
+
+
+Terminal.applyAddon(attach);
+Terminal.applyAddon(fit);
+Terminal.applyAddon(fullscreen);
+Terminal.applyAddon(search);
+Terminal.applyAddon(webLinks);
+Terminal.applyAddon(winptyCompat);
+
+
+var term,
+    protocol,
+    socketURL,
+    socket,
+    pid;
+
+var terminalContainer = document.getElementById('terminal-container'),
+    actionElements = {
+      findNext: document.querySelector('#find-next'),
+      findPrevious: document.querySelector('#find-previous')
+    },
+    optionElements = {
+      cursorBlink: document.querySelector('#option-cursor-blink'),
+      cursorStyle: document.querySelector('#option-cursor-style'),
+      macOptionIsMeta: document.querySelector('#option-mac-option-is-meta'),
+      scrollback: document.querySelector('#option-scrollback'),
+      transparency: document.querySelector('#option-transparency'),
+      tabstopwidth: document.querySelector('#option-tabstopwidth'),
+      experimentalCharAtlas: document.querySelector('#option-experimental-char-atlas'),
+      bellStyle: document.querySelector('#option-bell-style'),
+      screenReaderMode: document.querySelector('#option-screen-reader-mode')
+    },
+    colsElement = document.getElementById('cols'),
+    rowsElement = document.getElementById('rows'),
+    paddingElement = document.getElementById('padding');
+
+function setTerminalSize() {
+  var cols = parseInt(colsElement.value, 10);
+  var rows = parseInt(rowsElement.value, 10);
+  var width = (cols * term.renderer.dimensions.actualCellWidth + term.viewport.scrollBarWidth).toString() + 'px';
+  var height = (rows * term.renderer.dimensions.actualCellHeight).toString() + 'px';
+  terminalContainer.style.width = width;
+  terminalContainer.style.height = height;
+  term.fit();
+}
+
+function setPadding() {
+  term.element.style.padding = parseInt(paddingElement.value, 10).toString() + 'px';
+  term.fit();
+}
+
+colsElement.addEventListener('change', setTerminalSize);
+rowsElement.addEventListener('change', setTerminalSize);
+paddingElement.addEventListener('change', setPadding);
+
+actionElements.findNext.addEventListener('keypress', function (e) {
+  if (e.key === "Enter") {
+    e.preventDefault();
+    term.findNext(actionElements.findNext.value);
+  }
+});
+actionElements.findPrevious.addEventListener('keypress', function (e) {
+  if (e.key === "Enter") {
+    e.preventDefault();
+    term.findPrevious(actionElements.findPrevious.value);
+  }
+});
+
+optionElements.cursorBlink.addEventListener('change', function () {
+  term.setOption('cursorBlink', optionElements.cursorBlink.checked);
+});
+optionElements.macOptionIsMeta.addEventListener('change', function () {
+  term.setOption('macOptionIsMeta', optionElements.macOptionIsMeta.checked);
+});
+optionElements.transparency.addEventListener('change', function () {
+  var checked = optionElements.transparency.checked;
+  term.setOption('allowTransparency', checked);
+  term.setOption('theme', checked ? {background: 'rgba(0, 0, 0, .5)'} : {});
+});
+optionElements.cursorStyle.addEventListener('change', function () {
+  term.setOption('cursorStyle', optionElements.cursorStyle.value);
+});
+optionElements.bellStyle.addEventListener('change', function () {
+  term.setOption('bellStyle', optionElements.bellStyle.value);
+});
+optionElements.scrollback.addEventListener('change', function () {
+  term.setOption('scrollback', parseInt(optionElements.scrollback.value, 10));
+});
+optionElements.tabstopwidth.addEventListener('change', function () {
+  term.setOption('tabStopWidth', parseInt(optionElements.tabstopwidth.value, 10));
+});
+optionElements.experimentalCharAtlas.addEventListener('change', function () {
+  term.setOption('experimentalCharAtlas', optionElements.experimentalCharAtlas.value);
+});
+optionElements.screenReaderMode.addEventListener('change', function () {
+  term.setOption('screenReaderMode', optionElements.screenReaderMode.checked);
+});
+
+createTerminal();
+
+function createTerminal() {
+  // Clean terminal
+  while (terminalContainer.children.length) {
+    terminalContainer.removeChild(terminalContainer.children[0]);
+  }
+  term = new Terminal({
+    macOptionIsMeta: optionElements.macOptionIsMeta.enabled,
+    cursorBlink: optionElements.cursorBlink.checked,
+    scrollback: parseInt(optionElements.scrollback.value, 10),
+    tabStopWidth: parseInt(optionElements.tabstopwidth.value, 10),
+    screenReaderMode: optionElements.screenReaderMode.checked
+  });
+  window.term = term;  // Expose `term` to window for debugging purposes
+  term.on('resize', function (size) {
+    if (!pid) {
+      return;
+    }
+    var cols = size.cols,
+        rows = size.rows,
+        url = '/terminals/' + pid + '/size?cols=' + cols + '&rows=' + rows;
+
+    fetch(url, {method: 'POST'});
+  });
+  protocol = (location.protocol === 'https:') ? 'wss://' : 'ws://';
+  socketURL = protocol + location.hostname + ((location.port) ? (':' + location.port) : '') + '/terminals/';
+
+  term.open(terminalContainer);
+  term.winptyCompatInit();
+  term.webLinksInit();
+  term.fit();
+  term.focus();
+
+  // fit is called within a setTimeout, cols and rows need this.
+  setTimeout(function () {
+    colsElement.value = term.cols;
+    rowsElement.value = term.rows;
+    paddingElement.value = 0;
+
+    // Set terminal size again to set the specific dimensions on the demo
+    setTerminalSize();
+
+    fetch('/terminals?cols=' + term.cols + '&rows=' + term.rows, {method: 'POST'}).then(function (res) {
+
+      res.text().then(function (processId) {
+        pid = processId;
+        socketURL += processId;
+        socket = new WebSocket(socketURL);
+        socket.onopen = runRealTerminal;
+        socket.onclose = runFakeTerminal;
+        socket.onerror = runFakeTerminal;
+      });
+    });
+  }, 0);
+}
+
+function runRealTerminal() {
+  term.attach(socket);
+  term._initialized = true;
+}
+
+function runFakeTerminal() {
+  if (term._initialized) {
+    return;
+  }
+
+  term._initialized = true;
+
+  var shellprompt = '$ ';
+
+  term.prompt = function () {
+    term.write('\r\n' + shellprompt);
+  };
+
+  term.writeln('Welcome to xterm.js');
+  term.writeln('This is a local terminal emulation, without a real terminal in the back-end.');
+  term.writeln('Type some keys and commands to play around.');
+  term.writeln('');
+  term.prompt();
+
+  term.on('key', function (key, ev) {
+    var printable = (
+      !ev.altKey && !ev.altGraphKey && !ev.ctrlKey && !ev.metaKey
+    );
+
+    if (ev.keyCode == 13) {
+      term.prompt();
+    } else if (ev.keyCode == 8) {
+     // Do not delete the prompt
+      if (term.x > 2) {
+        term.write('\b \b');
+      }
+    } else if (printable) {
+      term.write(key);
+    }
+  });
+
+  term.on('paste', function (data, ev) {
+    term.write(data);
+  });
+}
@@ -1,106 +0,0 @@
-var express = require('express');
-var expressWs = require('express-ws');
-var os = require('os');
-var pty = require('node-pty');
-
-function startServer() {
-  var app = express();
-  expressWs(app);
-
-  var terminals = {},
-      logs = {};
-
-  app.use('/build', express.static(__dirname + '/../build'));
-
-  app.get('/', function(req, res){
-    res.sendFile(__dirname + '/index.html');
-  });
-
-  app.get('/style.css', function(req, res){
-    res.sendFile(__dirname + '/style.css');
-  });
-
-  app.get('/dist/client-bundle.js', function(req, res){
-    res.sendFile(__dirname + '/dist/client-bundle.js');
-  });
-
-  app.post('/terminals', function (req, res) {
-    var cols = parseInt(req.query.cols),
-        rows = parseInt(req.query.rows),
-        term = pty.spawn(process.platform === 'win32' ? 'cmd.exe' : 'bash', [], {
-          name: 'xterm-color',
-          cols: cols || 80,
-          rows: rows || 24,
-          cwd: process.env.PWD,
-          env: process.env
-        });
-
-    console.log('Created terminal with PID: ' + term.pid);
-    terminals[term.pid] = term;
-    logs[term.pid] = '';
-    term.on('data', function(data) {
-      logs[term.pid] += data;
-    });
-    res.send(term.pid.toString());
-    res.end();
-  });
-
-  app.post('/terminals/:pid/size', function (req, res) {
-    var pid = parseInt(req.params.pid),
-        cols = parseInt(req.query.cols),
-        rows = parseInt(req.query.rows),
-        term = terminals[pid];
-
-    term.resize(cols, rows);
-    console.log('Resized terminal ' + pid + ' to ' + cols + ' cols and ' + rows + ' rows.');
-    res.end();
-  });
-
-  app.ws('/terminals/:pid', function (ws, req) {
-    var term = terminals[parseInt(req.params.pid)];
-    console.log('Connected to terminal ' + term.pid);
-    ws.send(logs[term.pid]);
-
-    function buffer(socket, timeout) {
-      let s = '';
-      let sender = null;
-      return (data) => {
-        s += data;
-        if (!sender) {
-          sender = setTimeout(() => {
-            socket.send(s);
-            s = '';
-            sender = null;
-          }, timeout);
-        }
-      };
-    }
-    const send = buffer(ws, 5);
-
-    term.on('data', function(data) {
-      try {
-        send(data);
-      } catch (ex) {
-        // The WebSocket is not open, ignore
-      }
-    });
-    ws.on('message', function(msg) {
-      term.write(msg);
-    });
-    ws.on('close', function () {
-      term.kill();
-      console.log('Closed terminal ' + term.pid);
-      // Clean things up
-      delete terminals[term.pid];
-      delete logs[term.pid];
-    });
-  });
-
-  var port = process.env.PORT || 3000,
-      host = os.platform() === 'win32' ? '127.0.0.1' : '0.0.0.0';
-
-  console.log('App listening to http://' + host + ':' + port);
-  app.listen(port, host);
-}
-
-module.exports = startServer;
@@ -1,53 +0,0 @@
-/**
- * Copyright (c) 2018 The xterm.js authors. All rights reserved.
- * @license MIT
- *
- * This file is the entry point for browserify.
- */
-
-const path = require('path');
-const webpack = require('webpack');
-const startServer = require('./server.js');
-
-startServer();
-
-// Build/watch client source
-const clientConfig = {
-  entry: path.resolve(__dirname, 'client.ts'),
-  devtool: 'inline-source-map',
-  module: {
-    rules: [
-      {
-        test: /\.tsx?$/,
-        use: 'ts-loader',
-        exclude: /node_modules/
-      },
-      {
-        test: /\.js$/,
-        use: ["source-map-loader"],
-        enforce: "pre"
-      }
-    ]
-  },
-  resolve: {
-    extensions: [ '.tsx', '.ts', '.js' ]
-  },
-  output: {
-    filename: 'client-bundle.js',
-    path: path.resolve(__dirname, 'dist')
-  },
-  mode: 'development',
-  watch: true
-};
-const compiler = webpack(clientConfig);
-
-compiler.watch({
-  // Example watchOptions
-  aggregateTimeout: 300,
-  poll: undefined
-}, (err, stats) => {
-  // Print watch/build result here...
-  console.log(stats.toString({
-    colors: true
-  }));
-});
@@ -14,19 +14,3 @@ h1 {
    margin: 0 auto;
    padding: 2px;
 }
-
-p {
-    font-size: 0.9em;
-    font-style: italic
-}
-
-#option-container {
-    display: flex;
-    justify-content: center;
-}
-
-.option-group {
-    display: inline-block;
-    padding-left: 20px;
-    vertical-align: top;
-}
@@ -1,12 +0,0 @@
-{
-  "compilerOptions": {
-    "module": "commonjs",
-    "target": "es5",
-    "rootDir": ".",
-    "sourceMap": true
-  },
-  "include": [
-    "client.ts",
-    "../typings/xterm.d.ts"
-  ]
-}
@@ -4,11 +4,6 @@
  ],
  "compilerOptions": {
    "module": "commonjs",
-    "target": "es5",
-    "lib": [
-      "dom",
-      "es6"
-    ],
-    "noEmit": true
+    "target": "es5"
  }
 }
@@ -4,7 +4,7 @@

 /// <reference path="../../typings/xterm.d.ts" />

-import { Terminal, IDisposable } from 'xterm';
+import { Terminal } from 'xterm';

 namespace constructor {
  {
@@ -119,12 +119,6 @@ namespace methods_core {
    const t: Terminal = new Terminal();
    t.attachCustomKeyEventHandler((e: KeyboardEvent) => true);
    t.attachCustomKeyEventHandler((e: KeyboardEvent) => false);
-    const d1: IDisposable = t.addCsiHandler("x",
-       (params: number[], collect: string): boolean => params[0]===1);
-    d1.dispose();
-    const d2: IDisposable = t.addOscHandler(199,
-       (data: string): boolean => true);
-    d2.dispose();
  }
  namespace options {
    {
@@ -4,9 +4,11 @@

 const browserify = require('browserify');
 const buffer = require('vinyl-buffer');
+const coveralls = require('gulp-coveralls');
 const fs = require('fs-extra');
 const gulp = require('gulp');
 const path = require('path');
+const istanbul = require('gulp-istanbul');
 const merge = require('merge-stream');
 const mocha = require('gulp-mocha');
 const sorcery = require('sorcery');
@@ -14,40 +16,73 @@ const source = require('vinyl-source-stream');
 const sourcemaps = require('gulp-sourcemaps');
 const ts = require('gulp-typescript');
 const util = require('gulp-util');
+const webpack = require('webpack-stream');

 const buildDir = process.env.BUILD_DIR || 'build';
 const tsProject = ts.createProject('tsconfig.json');
-let srcDir = tsProject.config.compilerOptions.rootDir;
+const srcDir = tsProject.config.compilerOptions.rootDir;
 let outDir = tsProject.config.compilerOptions.outDir;

 const addons = fs.readdirSync(`${__dirname}/src/addons`);

-const TEST_PATHS = [
-  `${outDir}/*test.js`,
-  `${outDir}/**/*test.js`,
-  `${outDir}/*integration.js`,
-  `${outDir}/**/*integration.js`
-];
-
 // Under some environments like TravisCI, this comes out at absolute which can
 // break the build. This ensures that the outDir is absolute.
 if (path.normalize(outDir).indexOf(__dirname) !== 0) {
  outDir = `${__dirname}/${path.normalize(outDir)}`;
 }

-gulp.task('css', function() {
-  return gulp.src(`${srcDir}/**/*.css`).pipe(gulp.dest(outDir));
-});
+/**
+ * Compile TypeScript sources to JavaScript files and create a source map file for each TypeScript
+ * file compiled.
+ */
+gulp.task('tsc', function () {
+  // Remove the ${outDir}/ directory to prevent confusion if files were deleted in ${srcDir}/
+  fs.emptyDirSync(`${outDir}`);

-gulp.task('watch-css', function() {
-  return gulp.watch(`${srcDir}/**/*.css`, ['css']);
+  // Build all TypeScript files (including tests) to ${outDir}/, based on the configuration defined in
+  // `tsconfig.json`.
+  let tsResult = tsProject.src().pipe(sourcemaps.init()).pipe(tsProject());
+  let tsc = merge(
+    tsResult.js.pipe(sourcemaps.write('.', {includeContent: false, sourceRoot: ''})).pipe(gulp.dest(outDir)),
+    tsResult.dts.pipe(sourcemaps.write('.', {includeContent: false, sourceRoot: ''})).pipe(gulp.dest(outDir))
+  );
+
+  let addonStreams = addons.map(function(addon) {
+    fs.emptyDirSync(`${outDir}/addons/${addon}`);
+
+    let tsProjectAddon = ts.createProject(`./src/addons/${addon}/tsconfig.json`);
+    let tsResultAddon = tsProjectAddon.src().pipe(sourcemaps.init()).pipe(tsProjectAddon());
+    let tscAddon = merge(
+      tsResultAddon.js
+        .pipe(sourcemaps.write('.', {includeContent: false, sourceRoot: ''}))
+        .pipe(gulp.dest(`${outDir}/addons/${addon}`)),
+      tsResultAddon.dts
+        .pipe(sourcemaps.write('.', {includeContent: false, sourceRoot: ''}))
+        .pipe(gulp.dest(`${outDir}/addons/${addon}`))
+    )
+
+    return tscAddon;
+  });
+
+  // Copy all addons from ${srcDir}/ to ${outDir}/
+  let copyAddons = gulp.src([
+    `${srcDir}/addons/**/**`
+  ]).pipe(gulp.dest(`${outDir}/addons`));
+
+  // Copy stylesheets from ${srcDir}/ to ${outDir}/
+  let copyStylesheets = gulp.src(`${srcDir}/**/*.css`).pipe(gulp.dest(outDir));
+
+  // Join all streams into a single array
+  let streams = [tsc].concat(addonStreams).concat([copyAddons, copyStylesheets]);
+
+  return merge.apply(this, streams);
 });

 /**
 * Bundle JavaScript files produced by the `tsc` task, into a single file named `xterm.js` with
 * Browserify.
 */
-gulp.task('browserify', function() {
+gulp.task('browserify', ['tsc'], function() {
  // Ensure that the build directory exists
  fs.ensureDirSync(buildDir);

@@ -73,7 +108,7 @@ gulp.task('browserify', function() {
  return merge(bundleStream, copyStylesheets);
 });

-gulp.task('browserify-addons', function() {
+gulp.task('browserify-addons', ['tsc'], function() {
  const bundles = addons.map((addon) => {
    const addonOptions = {
      basedir: `${buildDir}/addons/${addon}`,
@@ -99,22 +134,37 @@ gulp.task('browserify-addons', function() {
  return merge(...bundles);
 });

-gulp.task('mocha', function () {
-  return gulp.src(TEST_PATHS, {read: false})
+gulp.task('instrument-test', function () {
+  return gulp.src([`${outDir}/**/*.js`])
+    // Covering files
+    .pipe(istanbul())
+    // Force `require` to return covered files
+    .pipe(istanbul.hookRequire());
+});
+
+gulp.task('mocha', ['instrument-test'], function () {
+  return gulp.src([
+    `${outDir}/*test.js`,
+    `${outDir}/**/*test.js`,
+    `${outDir}/*integration.js`,
+    `${outDir}/**/*integration.js`
+  ], {read: false})
      .pipe(mocha())
-      .once('error', () => process.exit(1));
+      .once('error', () => process.exit(1))
+      .pipe(istanbul.writeReports());
 });

 /**
- * Run single test suite (file) by file name (without file extension). Example of the command:
- * gulp mocha-suite --test InputHandler.test
+ * Run single test file by file name(without file extension). Example of the command:
+ * gulp mocha-test --test InputHandler.test
 */
-gulp.task('mocha-suite', [], function () {
+gulp.task('mocha-test', ['instrument-test'], function () {
  let testName = util.env.test;
  util.log("Run test by Name: " + testName);
  return gulp.src([`${outDir}/${testName}.js`, `${outDir}/**/${testName}.js`], {read: false})
         .pipe(mocha())
-         .once('error', () => process.exit(1));
+         .once('error', () => process.exit(1))
+         .pipe(istanbul.writeReports());
 });

 /**
@@ -136,6 +186,24 @@ gulp.task('sorcery-addons', ['browserify-addons'], function () {
  })
 });

+gulp.task('webpack', ['build'], function() {
+  return gulp.src('demo/main.js')
+    .pipe(webpack(require('./webpack.config.js')))
+    .pipe(gulp.dest('demo/dist/'));
+});
+
+gulp.task('watch', ['webpack'], () => {
+  gulp.watch(['./src/*', './src/**/*'], ['webpack']);
+});
+
+/**
+ * Submit coverage results to coveralls.io
+ */
+gulp.task('coveralls', function () {
+  gulp.src('coverage/**/lcov.info')
+    .pipe(coveralls());
+});
+
 gulp.task('build', ['sorcery', 'sorcery-addons']);
 gulp.task('test', ['mocha']);
 gulp.task('default', ['build']);
@@ -1,22 +1,19 @@
 {
  "name": "xterm",
  "description": "Full xterm terminal, in your browser",
-  "version": "3.11.0",
-  "main": "lib/public/Terminal.js",
+  "version": "3.4.1",
+  "main": "lib/Terminal.js",
  "types": "typings/xterm.d.ts",
  "repository": "https://github.com/xtermjs/xterm.js",
  "license": "MIT",
  "devDependencies": {
    "@types/chai": "^3.4.34",
-    "@types/glob": "^5.0.35",
-    "@types/jsdom": "11.0.1",
+    "@types/jsdom": "^11.0.1",
    "@types/mocha": "^2.2.33",
    "@types/node": "6.0.108",
-    "@types/webpack": "^4.4.11",
+    "@types/text-encoding": "0.0.32",
    "browserify": "^13.3.0",
    "chai": "3.5.0",
-    "concurrently": "^3.5.1",
-    "coveralls": "^3.0.1",
    "express": "4.13.4",
    "express-ws": "2.0.0-rc.1",
    "fs-extra": "^1.0.0",
@@ -24,46 +21,40 @@
    "gulp": "3.9.1",
    "gulp-cli": "^1.2.2",
    "gulp-concat": "^2.6.1",
+    "gulp-coveralls": "^0.1.4",
+    "gulp-istanbul": "^1.1.1",
    "gulp-mocha": "^3.0.1",
    "gulp-sourcemaps": "1.9.1",
    "gulp-typescript": "^3.1.3",
    "gulp-util": "3.0.8",
-    "jsdom": "^11.11.0",
+    "jsdoc": "3.4.3",
+    "jsdom": "^11.1.0",
    "merge-stream": "^1.0.1",
-    "node-pty": "0.7.6",
+    "node-pty": "^0.7.2",
    "nodemon": "1.10.2",
-    "nyc": "^11.8.0",
+    "npm-run-all": "^4.1.2",
    "sorcery": "^0.10.0",
-    "source-map-loader": "^0.2.4",
-    "ts-loader": "^4.5.0",
    "tslint": "^5.9.1",
    "tslint-consistent-codestyle": "^1.13.0",
-    "typescript": "3.1",
+    "typescript": "~2.7.1",
    "vinyl-buffer": "^1.0.0",
    "vinyl-source-stream": "^1.1.0",
-    "webpack": "^4.17.1",
-    "webpack-cli": "^3.1.0",
+    "webpack": "^3.10.0",
+    "webpack-stream": "^4.0.0",
    "zmodem.js": "^0.1.5"
  },
  "scripts": {
-    "start": "node demo/start",
-    "start-debug": "node --inspect-brk demo/start",
+    "start": "node demo/app",
    "start-zmodem": "node demo/zmodem/app",
-    "lint": "tslint 'src/**/*.ts' './demo/**/*.ts'",
-    "pretest": "npm run layering",
-    "test": "npm run mocha",
-    "posttest": "npm run lint",
-    "test-debug": "node --inspect-brk node_modules/.bin/gulp test",
-    "test-suite": "gulp mocha-suite --test",
-    "test-coverage": "nyc -x gulpfile.js -x '**/*test*' npm run mocha",
+    "lint": "tslint 'src/**/*.ts'",
+    "test": "npm-run-all mocha lint",
    "mocha": "gulp test",
+    "build:docs": "jsdoc -c jsdoc.json",
    "tsc": "tsc",
-    "prebuild": "concurrently --kill-others-on-fail --names \"lib,attach,fit,fullscreen,search,terminado,webLinks,winptyCompat,zmodem,css\" \"tsc\" \"tsc -p ./src/addons/attach\" \"tsc -p ./src/addons/fit\" \"tsc -p ./src/addons/fullscreen\" \"tsc -p ./src/addons/search\" \"tsc -p ./src/addons/terminado\" \"tsc -p ./src/addons/webLinks\" \"tsc -p ./src/addons/winptyCompat\" \"tsc -p ./src/addons/zmodem\" \"gulp css\"",
    "build": "gulp build",
    "prepublish": "npm run build",
-    "coveralls": "nyc report --reporter=text-lcov | coveralls",
-    "watch": "concurrently --kill-others-on-fail --names \"lib,css\" \"tsc -w\" \"gulp watch-css\"",
-    "watch-addons": "concurrently --kill-others-on-fail --names \"attach,fit,fullscreen,search,terminado,webLinks,winptyCompat,zmodem\" \"tsc -w -p ./src/addons/attach\" \"tsc -w -p ./src/addons/fit\" \"tsc -w -p ./src/addons/fullscreen\" \"tsc -w -p ./src/addons/search\" \"tsc -w -p ./src/addons/terminado\" \"tsc -w -p ./src/addons/webLinks\" \"tsc -w -p ./src/addons/winptyCompat\" \"tsc -w -p ./src/addons/zmodem\"",
-    "layering": "concurrently --kill-others-on-fail --names \"common,core\" \"tsc -p ./src/common\" \"tsc -p ./src/core\""
+    "coveralls": "gulp coveralls",
+    "webpack": "gulp webpack",
+    "watch": "gulp watch"
  }
 }
@@ -5,10 +5,10 @@

 import * as Strings from './Strings';
 import { ITerminal, IBuffer } from './Types';
-import { isMac } from './core/Platform';
-import { RenderDebouncer } from './ui/RenderDebouncer';
-import { addDisposableDomListener } from './ui/Lifecycle';
-import { Disposable } from './common/Lifecycle';
+import { isMac } from './shared/utils/Browser';
+import { RenderDebouncer } from './utils/RenderDebouncer';
+import { addDisposableListener } from './utils/Dom';
+import { IDisposable } from 'xterm';

 const MAX_ROWS_TO_READ = 20;

@@ -17,7 +17,7 @@ const enum BoundaryPosition {
  BOTTOM
 }

-export class AccessibilityManager extends Disposable {
+export class AccessibilityManager implements IDisposable {
  private _accessibilityTreeRoot: HTMLElement;
  private _rowContainer: HTMLElement;
  private _rowElements: HTMLElement[];
@@ -29,6 +29,8 @@ export class AccessibilityManager extends Disposable {
  private _topBoundaryFocusListener: (e: FocusEvent) => void;
  private _bottomBoundaryFocusListener: (e: FocusEvent) => void;

+  private _disposables: IDisposable[] = [];
+
  /**
   * This queue has a character pushed to it for keys that are pressed, if the
   * next character added to the terminal is equal to the key char then it is
@@ -41,7 +43,6 @@ export class AccessibilityManager extends Disposable {
  private _charsToConsume: string[] = [];

  constructor(private _terminal: ITerminal) {
-    super();
    this._accessibilityTreeRoot = document.createElement('div');
    this._accessibilityTreeRoot.classList.add('xterm-accessibility');

@@ -71,28 +72,29 @@ export class AccessibilityManager extends Disposable {

    this._terminal.element.insertAdjacentElement('afterbegin', this._accessibilityTreeRoot);

-    this.register(this._renderRowsDebouncer);
-    this.register(this._terminal.addDisposableListener('resize', data => this._onResize(data.rows)));
-    this.register(this._terminal.addDisposableListener('refresh', data => this._refreshRows(data.start, data.end)));
-    this.register(this._terminal.addDisposableListener('scroll', data => this._refreshRows()));
+    this._disposables.push(this._renderRowsDebouncer);
+    this._disposables.push(this._terminal.addDisposableListener('resize', data => this._onResize(data.cols, data.rows)));
+    this._disposables.push(this._terminal.addDisposableListener('refresh', data => this._refreshRows(data.start, data.end)));
+    this._disposables.push(this._terminal.addDisposableListener('scroll', data => this._refreshRows()));
    // Line feed is an issue as the prompt won't be read out after a command is run
-    this.register(this._terminal.addDisposableListener('a11y.char', (char) => this._onChar(char)));
-    this.register(this._terminal.addDisposableListener('linefeed', () => this._onChar('\n')));
-    this.register(this._terminal.addDisposableListener('a11y.tab', spaceCount => this._onTab(spaceCount)));
-    this.register(this._terminal.addDisposableListener('key', keyChar => this._onKey(keyChar)));
-    this.register(this._terminal.addDisposableListener('blur', () => this._clearLiveRegion()));
+    this._disposables.push(this._terminal.addDisposableListener('a11y.char', (char) => this._onChar(char)));
+    this._disposables.push(this._terminal.addDisposableListener('linefeed', () => this._onChar('\n')));
+    this._disposables.push(this._terminal.addDisposableListener('a11y.tab', spaceCount => this._onTab(spaceCount)));
+    this._disposables.push(this._terminal.addDisposableListener('key', keyChar => this._onKey(keyChar)));
+    this._disposables.push(this._terminal.addDisposableListener('blur', () => this._clearLiveRegion()));
    // TODO: Maybe renderer should fire an event on terminal when the characters change and that
    //       should be listened to instead? That would mean that the order of events are always
    //       guarenteed
-    this.register(this._terminal.addDisposableListener('dprchange', () => this._refreshRowsDimensions()));
-    this.register(this._terminal.renderer.addDisposableListener('resize', () => this._refreshRowsDimensions()));
+    this._disposables.push(this._terminal.addDisposableListener('dprchange', () => this._refreshRowsDimensions()));
+    this._disposables.push(this._terminal.renderer.addDisposableListener('resize', () => this._refreshRowsDimensions()));
    // This shouldn't be needed on modern browsers but is present in case the
    // media query that drives the dprchange event isn't supported
-    this.register(addDisposableDomListener(window, 'resize', () => this._refreshRowsDimensions()));
+    this._disposables.push(addDisposableListener(window, 'resize', () => this._refreshRowsDimensions()));
  }

  public dispose(): void {
-    super.dispose();
+    this._disposables.forEach(d => d.dispose());
+    this._disposables.length = 0;
    this._terminal.element.removeChild(this._accessibilityTreeRoot);
    this._rowElements.length = 0;
  }
@@ -157,7 +159,7 @@ export class AccessibilityManager extends Disposable {
    e.stopImmediatePropagation();
  }

-  private _onResize(rows: number): void {
+  private _onResize(cols: number, rows: number): void {
    // Remove bottom boundary listener
    this._rowElements[this._rowElements.length - 1].removeEventListener('focus', this._bottomBoundaryFocusListener);

@@ -177,7 +179,7 @@ export class AccessibilityManager extends Disposable {
    this._refreshRowsDimensions();
  }

-  private _createAccessibilityTreeNode(): HTMLElement {
+  public _createAccessibilityTreeNode(): HTMLElement {
    const element = document.createElement('div');
    element.setAttribute('role', 'listitem');
    element.tabIndex = -1;
@@ -259,9 +261,6 @@ export class AccessibilityManager extends Disposable {
    if (!this._terminal.renderer.dimensions.actualCellHeight) {
      return;
    }
-    if (this._rowElements.length !== this._terminal.rows) {
-      this._onResize(this._terminal.rows);
-    }
    for (let i = 0; i < this._terminal.rows; i++) {
      this._refreshRowDimensions(this._rowElements[i]);
    }
@@ -3,31 +3,17 @@
 * @license MIT
 */

-import { IMarker } from 'xterm';
-import { BufferLine } from './BufferLine';
-import { reflowLargerApplyNewLayout, reflowLargerCreateNewLayout, reflowLargerGetLinesToRemove, reflowSmallerGetNewLineLengths } from './BufferReflow';
-import { CircularList, IDeleteEvent, IInsertEvent } from './common/CircularList';
-import { EventEmitter } from './common/EventEmitter';
-import { DEFAULT_COLOR } from './renderer/atlas/Types';
-import { BufferIndex, CharData, IBuffer, IBufferLine, IBufferStringIterator, IBufferStringIteratorResult, ITerminal } from './Types';
+import { CircularList } from './utils/CircularList';
+import { LineData, CharData, ITerminal, IBuffer } from './Types';
+import { EventEmitter } from './EventEmitter';
+import { IDisposable, IMarker } from 'xterm';

-export const DEFAULT_ATTR = (0 << 18) | (DEFAULT_COLOR << 9) | (256 << 0);
 export const CHAR_DATA_ATTR_INDEX = 0;
 export const CHAR_DATA_CHAR_INDEX = 1;
 export const CHAR_DATA_WIDTH_INDEX = 2;
 export const CHAR_DATA_CODE_INDEX = 3;
 export const MAX_BUFFER_SIZE = 4294967295; // 2^32 - 1

-export const NULL_CELL_CHAR = '';
-export const NULL_CELL_WIDTH = 1;
-export const NULL_CELL_CODE = 0;
-
-export const WHITESPACE_CELL_CHAR = ' ';
-export const WHITESPACE_CELL_WIDTH = 1;
-export const WHITESPACE_CELL_CODE = 32;
-
-export const FILL_CHAR_DATA: CharData = [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE];
-
 /**
 * This class represents a terminal buffer (an internal state of the terminal), where the
 * following information is stored (in high-level):
@@ -36,7 +22,7 @@ export const FILL_CHAR_DATA: CharData = [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL
 *   - scroll position
 */
 export class Buffer implements IBuffer {
-  public lines: CircularList<IBufferLine>;
+  public lines: CircularList<LineData>;
  public ydisp: number;
  public ybase: number;
  public y: number;
@@ -46,10 +32,7 @@ export class Buffer implements IBuffer {
  public tabs: any;
  public savedY: number;
  public savedX: number;
-  public savedCurAttr: number;
  public markers: Marker[] = [];
-  private _cols: number;
-  private _rows: number;

  /**
   * Create a new Buffer.
@@ -61,24 +44,17 @@ export class Buffer implements IBuffer {
    private _terminal: ITerminal,
    private _hasScrollback: boolean
  ) {
-    this._cols = this._terminal.cols;
-    this._rows = this._terminal.rows;
    this.clear();
  }

-  public getBlankLine(attr: number, isWrapped?: boolean): IBufferLine {
-    const fillCharData: CharData = [attr, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE];
-    return new BufferLine(this._cols, fillCharData, isWrapped);
-  }
-
  public get hasScrollback(): boolean {
-    return this._hasScrollback && this.lines.maxLength > this._rows;
+    return this._hasScrollback && this.lines.maxLength > this._terminal.rows;
  }

  public get isCursorInViewport(): boolean {
    const absoluteY = this.ybase + this.y;
    const relativeY = absoluteY - this.ydisp;
-    return (relativeY >= 0 && relativeY < this._rows);
+    return (relativeY >= 0 && relativeY < this._terminal.rows);
  }

  /**
@@ -99,14 +75,11 @@ export class Buffer implements IBuffer {
  /**
   * Fills the buffer's viewport with blank lines.
   */
-  public fillViewportRows(fillAttr?: number): void {
+  public fillViewportRows(): void {
    if (this.lines.length === 0) {
-      if (fillAttr === undefined) {
-        fillAttr = DEFAULT_ATTR;
-      }
-      let i = this._rows;
+      let i = this._terminal.rows;
      while (i--) {
-        this.lines.push(this.getBlankLine(fillAttr));
+        this.lines.push(this._terminal.blankLine());
      }
    }
  }
@@ -119,9 +92,9 @@ export class Buffer implements IBuffer {
    this.ybase = 0;
    this.y = 0;
    this.x = 0;
-    this.lines = new CircularList<IBufferLine>(this._getCorrectBufferLength(this._rows));
+    this.lines = new CircularList<LineData>(this._getCorrectBufferLength(this._terminal.rows));
    this.scrollTop = 0;
-    this.scrollBottom = this._rows - 1;
+    this.scrollBottom = this._terminal.rows - 1;
    this.setupTabStops();
  }

@@ -141,17 +114,20 @@ export class Buffer implements IBuffer {
    // The following adjustments should only happen if the buffer has been
    // initialized/filled.
    if (this.lines.length > 0) {
-      // Deal with columns increasing (reducing needs to happen after reflow)
-      if (this._cols < newCols) {
+      // Deal with columns increasing (we don't do anything when columns reduce)
+      if (this._terminal.cols < newCols) {
+        const ch: CharData = [this._terminal.defAttr, ' ', 1, 32]; // does xterm use the default attr?
        for (let i = 0; i < this.lines.length; i++) {
-          this.lines.get(i).resize(newCols, FILL_CHAR_DATA);
+          while (this.lines.get(i).length < newCols) {
+            this.lines.get(i).push(ch);
+          }
        }
      }

      // Resize rows in both directions as needed
      let addToY = 0;
-      if (this._rows < newRows) {
-        for (let y = this._rows; y < newRows; y++) {
+      if (this._terminal.rows < newRows) {
+        for (let y = this._terminal.rows; y < newRows; y++) {
          if (this.lines.length < newRows + this.ybase) {
            if (this.ybase > 0 && this.lines.length <= this.ybase + this.y + addToY + 1) {
              // There is room above the buffer and there are no empty elements below the line,
@@ -165,12 +141,12 @@ export class Buffer implements IBuffer {
            } else {
              // Add a blank line if there is no buffer left at the top to scroll to, or if there
              // are blank lines after the cursor
-              this.lines.push(new BufferLine(newCols, FILL_CHAR_DATA));
+              this.lines.push(this._terminal.blankLine(undefined, undefined, newCols));
            }
          }
        }
-      } else { // (this._rows >= newRows)
-        for (let y = this._rows; y > newRows; y--) {
+      } else { // (this._terminal.rows >= newRows)
+        for (let y = this._terminal.rows; y > newRows; y--) {
          if (this.lines.length > newRows + this.ybase) {
            if (this.lines.length > this.ybase + this.y + 1) {
              // The line is a blank line below the cursor, remove it
@@ -210,265 +186,6 @@ export class Buffer implements IBuffer {
    }

    this.scrollBottom = newRows - 1;
-
-    if (this._hasScrollback) {
-      this._reflow(newCols, newRows);
-
-      // Trim the end of the line off if cols shrunk
-      if (this._cols > newCols) {
-        for (let i = 0; i < this.lines.length; i++) {
-          this.lines.get(i).resize(newCols, FILL_CHAR_DATA);
-        }
-      }
-    }
-
-    this._cols = newCols;
-    this._rows = newRows;
-  }
-
-  private _reflow(newCols: number, newRows: number): void {
-    if (this._cols === newCols) {
-      return;
-    }
-
-    // Iterate through rows, ignore the last one as it cannot be wrapped
-    if (newCols > this._cols) {
-      this._reflowLarger(newCols);
-    } else {
-      this._reflowSmaller(newCols, newRows);
-    }
-  }
-
-  private _reflowLarger(newCols: number): void {
-    const toRemove: number[] = reflowLargerGetLinesToRemove(this.lines, newCols, this.ybase + this.y);
-    if (toRemove.length > 0) {
-      const newLayoutResult = reflowLargerCreateNewLayout(this.lines, toRemove);
-      reflowLargerApplyNewLayout(this.lines, newLayoutResult.layout);
-      this._reflowLargerAdjustViewport(newCols, newLayoutResult.countRemoved);
-    }
-  }
-
-  private _reflowLargerAdjustViewport(newCols: number, countRemoved: number): void {
-    // Adjust viewport based on number of items removed
-    let viewportAdjustments = countRemoved;
-    while (viewportAdjustments-- > 0) {
-      if (this.ybase === 0) {
-        if (this.y > 0) {
-          this.y--;
-        }
-        if (this.lines.length < this._rows) {
-          // Add an extra row at the bottom of the viewport
-          this.lines.push(new BufferLine(newCols, FILL_CHAR_DATA));
-        }
-      } else {
-        if (this.ydisp === this.ybase) {
-          this.ydisp--;
-        }
-        this.ybase--;
-      }
-    }
-  }
-
-  private _reflowSmaller(newCols: number, newRows: number): void {
-    // Gather all BufferLines that need to be inserted into the Buffer here so that they can be
-    // batched up and only committed once
-    const toInsert = [];
-    let countToInsert = 0;
-    // Go backwards as many lines may be trimmed and this will avoid considering them
-    for (let y = this.lines.length - 1; y >= 0; y--) {
-      // Check whether this line is a problem
-      let nextLine = this.lines.get(y) as BufferLine;
-      if (!nextLine.isWrapped && nextLine.getTrimmedLength() <= newCols) {
-        continue;
-      }
-
-      // Gather wrapped lines and adjust y to be the starting line
-      const wrappedLines: BufferLine[] = [nextLine];
-      while (nextLine.isWrapped && y > 0) {
-        nextLine = this.lines.get(--y) as BufferLine;
-        wrappedLines.unshift(nextLine);
-      }
-
-      // If these lines contain the cursor don't touch them, the program will handle fixing up
-      // wrapped lines with the cursor
-      const absoluteY = this.ybase + this.y;
-      if (absoluteY >= y && absoluteY < y + wrappedLines.length) {
-        continue;
-      }
-
-      const lastLineLength = wrappedLines[wrappedLines.length - 1].getTrimmedLength();
-      const destLineLengths = reflowSmallerGetNewLineLengths(wrappedLines, this._cols, newCols);
-      const linesToAdd = destLineLengths.length - wrappedLines.length;
-      let trimmedLines: number;
-      if (this.ybase === 0 && this.y !== this.lines.length - 1) {
-        // If the top section of the buffer is not yet filled
-        trimmedLines = Math.max(0, this.y - this.lines.maxLength + linesToAdd);
-      } else {
-        trimmedLines = Math.max(0, this.lines.length - this.lines.maxLength + linesToAdd);
-      }
-
-      // Add the new lines
-      const newLines: BufferLine[] = [];
-      for (let i = 0; i < linesToAdd; i++) {
-        const newLine = this.getBlankLine(DEFAULT_ATTR, true) as BufferLine;
-        newLines.push(newLine);
-      }
-      if (newLines.length > 0) {
-        toInsert.push({
-          // countToInsert here gets the actual index, taking into account other inserted items.
-          // using this we can iterate through the list forwards
-          start: y + wrappedLines.length + countToInsert,
-          newLines
-        });
-        countToInsert += newLines.length;
-      }
-      wrappedLines.push(...newLines);
-
-      // Copy buffer data to new locations, this needs to happen backwards to do in-place
-      let destLineIndex = destLineLengths.length - 1; // Math.floor(cellsNeeded / newCols);
-      let destCol = destLineLengths[destLineIndex]; // cellsNeeded % newCols;
-      if (destCol === 0) {
-        destLineIndex--;
-        destCol = destLineLengths[destLineIndex];
-      }
-      let srcLineIndex = wrappedLines.length - linesToAdd - 1;
-      let srcCol = lastLineLength;
-      while (srcLineIndex >= 0) {
-        const cellsToCopy = Math.min(srcCol, destCol);
-        wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[srcLineIndex], srcCol - cellsToCopy, destCol - cellsToCopy, cellsToCopy, true);
-        destCol -= cellsToCopy;
-        if (destCol === 0) {
-          destLineIndex--;
-          destCol = destLineLengths[destLineIndex];
-        }
-        srcCol -= cellsToCopy;
-        if (srcCol === 0) {
-          srcLineIndex--;
-          // TODO: srcCol shoudl take trimmed length into account
-          srcCol = wrappedLines[Math.max(srcLineIndex, 0)].getTrimmedLength(); // this._cols;
-        }
-      }
-
-      // Null out the end of the line ends if a wide character wrapped to the following line
-      for (let i = 0; i < wrappedLines.length; i++) {
-        if (destLineLengths[i] < newCols) {
-          wrappedLines[i].set(destLineLengths[i], FILL_CHAR_DATA);
-        }
-      }
-
-      // Adjust viewport as needed
-      let viewportAdjustments = linesToAdd - trimmedLines;
-      while (viewportAdjustments-- > 0) {
-        if (this.ybase === 0) {
-          if (this.y < this._rows - 1) {
-            this.y++;
-            this.lines.pop();
-          } else {
-            this.ybase++;
-            this.ydisp++;
-          }
-        } else {
-          // Ensure ybase does not exceed its maximum value
-          if (this.ybase < Math.min(this.lines.maxLength, this.lines.length + countToInsert) - newRows) {
-            if (this.ybase === this.ydisp) {
-              this.ydisp++;
-            }
-            this.ybase++;
-          }
-        }
-      }
-    }
-
-    // Rearrange lines in the buffer if there are any insertions, this is done at the end rather
-    // than earlier so that it's a single O(n) pass through the buffer, instead of O(n^2) from many
-    // costly calls to CircularList.splice.
-    if (toInsert.length > 0) {
-      // Record buffer insert events and then play them back backwards so that the indexes are
-      // correct
-      const insertEvents: IInsertEvent[] = [];
-
-      // Record original lines so they don't get overridden when we rearrange the list
-      const originalLines: BufferLine[] = [];
-      for (let i = 0; i < this.lines.length; i++) {
-        originalLines.push(this.lines.get(i) as BufferLine);
-      }
-      const originalLinesLength = this.lines.length;
-
-      let originalLineIndex = originalLinesLength - 1;
-      let nextToInsertIndex = 0;
-      let nextToInsert = toInsert[nextToInsertIndex];
-      this.lines.length = Math.min(this.lines.maxLength, this.lines.length + countToInsert);
-      let countInsertedSoFar = 0;
-      for (let i = Math.min(this.lines.maxLength - 1, originalLinesLength + countToInsert - 1); i >= 0; i--) {
-        if (nextToInsert && nextToInsert.start > originalLineIndex + countInsertedSoFar) {
-          // Insert extra lines here, adjusting i as needed
-          for (let nextI = nextToInsert.newLines.length - 1; nextI >= 0; nextI--) {
-            this.lines.set(i--, nextToInsert.newLines[nextI]);
-          }
-          i++;
-
-          // Create insert events for later
-          insertEvents.push({
-            index: originalLineIndex + 1,
-            amount: nextToInsert.newLines.length
-          } as IInsertEvent);
-
-          countInsertedSoFar += nextToInsert.newLines.length;
-          nextToInsert = toInsert[++nextToInsertIndex];
-        } else {
-          this.lines.set(i, originalLines[originalLineIndex--]);
-        }
-      }
-
-      // Update markers
-      let insertCountEmitted = 0;
-      for (let i = insertEvents.length - 1; i >= 0; i--) {
-        insertEvents[i].index += insertCountEmitted;
-        this.lines.emit('insert', insertEvents[i]);
-        insertCountEmitted += insertEvents[i].amount;
-      }
-      const amountToTrim = Math.max(0, originalLinesLength + countToInsert - this.lines.maxLength);
-      if (amountToTrim > 0) {
-        this.lines.emitMayRemoveListeners('trim', amountToTrim);
-      }
-    }
-  }
-
-  // private _reflowSmallerGetLinesNeeded()
-
-  /**
-   * Translates a string index back to a BufferIndex.
-   * To get the correct buffer position the string must start at `startCol` 0
-   * (default in translateBufferLineToString).
-   * The method also works on wrapped line strings given rows were not trimmed.
-   * The method operates on the CharData string length, there are no
-   * additional content or boundary checks. Therefore the string and the buffer
-   * should not be altered in between.
-   * TODO: respect trim flag after fixing #1685
-   * @param lineIndex line index the string was retrieved from
-   * @param stringIndex index within the string
-   * @param startCol column offset the string was retrieved from
-   */
-  public stringIndexToBufferIndex(lineIndex: number, stringIndex: number, trimRight: boolean = false): BufferIndex {
-    while (stringIndex) {
-      const line = this.lines.get(lineIndex);
-      if (!line) {
-        return [-1, -1];
-      }
-      const length = (trimRight) ? line.getTrimmedLength() : line.length;
-      for (let i = 0; i < length; ++i) {
-        if (line.get(i)[CHAR_DATA_WIDTH_INDEX]) {
-          // empty cells report a string length of 0, but get replaced
-          // with a whitespace in translateToString, thus replace with 1
-          stringIndex -= line.get(i)[CHAR_DATA_CHAR_INDEX].length || 1;
-        }
-        if (stringIndex < 0) {
-          return [lineIndex, i];
-        }
-      }
-      lineIndex++;
-    }
-    return [lineIndex, 0];
  }

  /**
@@ -481,26 +198,65 @@ export class Buffer implements IBuffer {
   * @param startCol The column to start at.
   * @param endCol The column to end at.
   */
-  public translateBufferLineToString(lineIndex: number, trimRight: boolean, startCol: number = 0, endCol?: number): string {
+  public translateBufferLineToString(lineIndex: number, trimRight: boolean, startCol: number = 0, endCol: number = null): string {
+    // Get full line
+    let lineString = '';
    const line = this.lines.get(lineIndex);
    if (!line) {
      return '';
    }
-    return line.translateToString(trimRight, startCol, endCol);
-  }

-  public getWrappedRangeForLine(y: number): { first: number, last: number } {
-    let first = y;
-    let last = y;
-    // Scan upwards for wrapped lines
-    while (first > 0 && this.lines.get(first).isWrapped) {
-      first--;
+    // Initialize column and index values. Column values represent the actual
+    // cell column, indexes represent the index in the string. Indexes are
+    // needed here because some chars are 0 characters long (eg. after wide
+    // chars) and some chars are longer than 1 characters long (eg. emojis).
+    let startIndex = startCol;
+    // Only set endCol to the line length when it is null. 0 is a valid column.
+    if (endCol === null) {
+      endCol = line.length;
    }
-    // Scan downwards for wrapped lines
-    while (last + 1 < this.lines.length && this.lines.get(last + 1).isWrapped) {
-      last++;
+    let endIndex = endCol;
+
+    for (let i = 0; i < line.length; i++) {
+      const char = line[i];
+      lineString += char[CHAR_DATA_CHAR_INDEX];
+      // Adjust start and end cols for wide characters if they affect their
+      // column indexes
+      if (char[CHAR_DATA_WIDTH_INDEX] === 0) {
+        if (startCol >= i) {
+          startIndex--;
+        }
+        if (endCol >= i) {
+          endIndex--;
+        }
+      } else {
+        // Adjust the columns to take glyphs that are represented by multiple
+        // code points into account.
+        if (char[CHAR_DATA_CHAR_INDEX].length > 1) {
+          if (startCol > i) {
+            startIndex += char[CHAR_DATA_CHAR_INDEX].length - 1;
+          }
+          if (endCol > i) {
+            endIndex += char[CHAR_DATA_CHAR_INDEX].length - 1;
+          }
+        }
+      }
    }
-    return { first, last };
+
+    // Calculate the final end col by trimming whitespace on the right of the
+    // line if needed.
+    if (trimRight) {
+      const rightWhitespaceIndex = lineString.search(/\s+$/);
+      if (rightWhitespaceIndex !== -1) {
+        endIndex = Math.min(endIndex, rightWhitespaceIndex);
+      }
+      // Return the empty string if only trimmed whitespace is selected
+      if (endIndex <= startIndex) {
+        return '';
+      }
+    }
+
+    return lineString.substring(startIndex, endIndex);
  }

  /**
@@ -508,7 +264,7 @@ export class Buffer implements IBuffer {
   * @param i The index to start setting up tab stops from.
   */
  public setupTabStops(i?: number): void {
-    if (i !== null && i !== undefined) {
+    if (i != null) {
      if (!this.tabs[i]) {
        i = this.prevStop(i);
      }
@@ -517,7 +273,7 @@ export class Buffer implements IBuffer {
      i = 0;
    }

-    for (; i < this._cols; i += this._terminal.options.tabStopWidth) {
+    for (; i < this._terminal.cols; i += this._terminal.options.tabStopWidth) {
      this.tabs[i] = true;
    }
  }
@@ -527,11 +283,11 @@ export class Buffer implements IBuffer {
   * @param x The position to move the cursor to the previous tab stop.
   */
  public prevStop(x?: number): number {
-    if (x === null || x === undefined) {
+    if (x == null) {
      x = this.x;
    }
    while (!this.tabs[--x] && x > 0);
-    return x >= this._cols ? this._cols - 1 : x < 0 ? 0 : x;
+    return x >= this._terminal.cols ? this._terminal.cols - 1 : x < 0 ? 0 : x;
  }

  /**
@@ -539,57 +295,39 @@ export class Buffer implements IBuffer {
   * @param x The position to move the cursor one tab stop forward.
   */
  public nextStop(x?: number): number {
-    if (x === null || x === undefined) {
+    if (x == null) {
      x = this.x;
    }
-    while (!this.tabs[++x] && x < this._cols);
-    return x >= this._cols ? this._cols - 1 : x < 0 ? 0 : x;
+    while (!this.tabs[++x] && x < this._terminal.cols);
+    return x >= this._terminal.cols ? this._terminal.cols - 1 : x < 0 ? 0 : x;
  }

  public addMarker(y: number): Marker {
    const marker = new Marker(y);
    this.markers.push(marker);
-    marker.register(this.lines.addDisposableListener('trim', amount => {
+    marker.disposables.push(this.lines.addDisposableListener('trim', amount => {
      marker.line -= amount;
      // The marker should be disposed when the line is trimmed from the buffer
      if (marker.line < 0) {
        marker.dispose();
      }
    }));
-    marker.register(this.lines.addDisposableListener('insert', (event: IInsertEvent) => {
-      if (marker.line >= event.index) {
-        marker.line += event.amount;
-      }
-    }));
-    marker.register(this.lines.addDisposableListener('delete', (event: IDeleteEvent) => {
-      // Delete the marker if it's within the range
-      if (marker.line >= event.index && marker.line < event.index + event.amount) {
-        marker.dispose();
-      }
-
-      // Shift the marker if it's after the deleted range
-      if (marker.line > event.index) {
-        marker.line -= event.amount;
-      }
-    }));
-    marker.register(marker.addDisposableListener('dispose', () => this._removeMarker(marker)));
+    marker.on('dispose', () => this._removeMarker(marker));
    return marker;
  }

  private _removeMarker(marker: Marker): void {
+    // TODO: This could probably be optimized by relying on sort order and trimming the array using .length
    this.markers.splice(this.markers.indexOf(marker), 1);
  }
-
-  public iterator(trimRight: boolean, startIndex?: number, endIndex?: number, startOverscan?: number, endOverscan?: number): IBufferStringIterator {
-    return new BufferStringIterator(this, trimRight, startIndex, endIndex, startOverscan, endOverscan);
-  }
 }

 export class Marker extends EventEmitter implements IMarker {
-  private static _nextId = 1;
+  private static NEXT_ID = 1;

-  private _id: number = Marker._nextId++;
+  private _id: number = Marker.NEXT_ID++;
  public isDisposed: boolean = false;
+  public disposables: IDisposable[] = [];

  public get id(): number { return this._id; }

@@ -604,65 +342,8 @@ export class Marker extends EventEmitter implements IMarker {
      return;
    }
    this.isDisposed = true;
-    // Emit before super.dispose such that dispose listeners get a change to react
+    this.disposables.forEach(d => d.dispose());
+    this.disposables.length = 0;
    this.emit('dispose');
-    super.dispose();
-  }
-}
-
-/**
- * Iterator to get unwrapped content strings from the buffer.
- * The iterator returns at least the string data between the borders
- * `startIndex` and `endIndex` (exclusive) and will expand the lines
- * by `startOverscan` to the top and by `endOverscan` to the bottom,
- * if no new line was found in between.
- * It will never read/return string data beyond `startIndex - startOverscan`
- * or `endIndex + endOverscan`. Therefore the first and last line might be truncated.
- * It is possible to always get the full string for the first and last line as well
- * by setting the overscan values to the actual buffer length. This not recommended
- * since it might return the whole buffer within a single string in a worst case scenario.
- */
-export class BufferStringIterator implements IBufferStringIterator {
-  private _current: number;
-
-  constructor (
-    private _buffer: IBuffer,
-    private _trimRight: boolean,
-    private _startIndex: number = 0,
-    private _endIndex: number = _buffer.lines.length,
-    private _startOverscan: number = 0,
-    private _endOverscan: number = 0
-  ) {
-    if (this._startIndex < 0) {
-      this._startIndex = 0;
-    }
-    if (this._endIndex > this._buffer.lines.length) {
-      this._endIndex = this._buffer.lines.length;
-    }
-    this._current = this._startIndex;
-  }
-
-  public hasNext(): boolean {
-    return this._current < this._endIndex;
-  }
-
-  public next(): IBufferStringIteratorResult {
-    const range = this._buffer.getWrappedRangeForLine(this._current);
-    // limit search window to overscan value at both borders
-    if (range.first < this._startIndex - this._startOverscan) {
-      range.first = this._startIndex - this._startOverscan;
-    }
-    if (range.last > this._endIndex + this._endOverscan) {
-      range.last = this._endIndex + this._endOverscan;
-    }
-    // limit to current buffer length
-    range.first = Math.max(range.first, 0);
-    range.last = Math.min(range.last, this._buffer.lines.length);
-    let result = '';
-    for (let i = range.first; i <= range.last; ++i) {
-      result += this._buffer.translateBufferLineToString(i, this._trimRight);
-    }
-    this._current = range.last + 1;
-    return {range: range, content: result};
  }
 }
@@ -1,305 +0,0 @@
-/**
- * Copyright (c) 2018 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-import * as chai from 'chai';
-import { BufferLine } from './BufferLine';
-import { CharData, IBufferLine } from './Types';
-import { NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE, DEFAULT_ATTR } from './Buffer';
-
-
-class TestBufferLine extends BufferLine {
-  public get combined(): {[index: number]: string} {
-    return this._combined;
-  }
-
-  public toArray(): CharData[] {
-    const result = [];
-    for (let i = 0; i < this.length; ++i) {
-      result.push(this.get(i));
-    }
-    return result;
-  }
-}
-
-describe('BufferLine', function(): void {
-  it('ctor', function(): void {
-    let line: IBufferLine = new TestBufferLine(0);
-    chai.expect(line.length).equals(0);
-    chai.expect(line.isWrapped).equals(false);
-    line = new TestBufferLine(10);
-    chai.expect(line.length).equals(10);
-    chai.expect(line.get(0)).eql([0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);
-    chai.expect(line.isWrapped).equals(false);
-    line = new TestBufferLine(10, null, true);
-    chai.expect(line.length).equals(10);
-    chai.expect(line.get(0)).eql([0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);
-    chai.expect(line.isWrapped).equals(true);
-    line = new TestBufferLine(10, [123, 'a', 456, 'a'.charCodeAt(0)], true);
-    chai.expect(line.length).equals(10);
-    chai.expect(line.get(0)).eql([123, 'a', 456, 'a'.charCodeAt(0)]);
-    chai.expect(line.isWrapped).equals(true);
-  });
-  it('insertCells', function(): void {
-    const line = new TestBufferLine(3);
-    line.set(0, [1, 'a', 0, 'a'.charCodeAt(0)]);
-    line.set(1, [2, 'b', 0, 'b'.charCodeAt(0)]);
-    line.set(2, [3, 'c', 0, 'c'.charCodeAt(0)]);
-    line.insertCells(1, 3, [4, 'd', 0, 'd'.charCodeAt(0)]);
-    chai.expect(line.toArray()).eql([
-      [1, 'a', 0, 'a'.charCodeAt(0)],
-      [4, 'd', 0, 'd'.charCodeAt(0)],
-      [4, 'd', 0, 'd'.charCodeAt(0)]
-    ]);
-  });
-  it('deleteCells', function(): void {
-    const line = new TestBufferLine(5);
-    line.set(0, [1, 'a', 0, 'a'.charCodeAt(0)]);
-    line.set(1, [2, 'b', 0, 'b'.charCodeAt(0)]);
-    line.set(2, [3, 'c', 0, 'c'.charCodeAt(0)]);
-    line.set(3, [4, 'd', 0, 'd'.charCodeAt(0)]);
-    line.set(4, [5, 'e', 0, 'e'.charCodeAt(0)]);
-    line.deleteCells(1, 2, [6, 'f', 0, 'f'.charCodeAt(0)]);
-    chai.expect(line.toArray()).eql([
-      [1, 'a', 0, 'a'.charCodeAt(0)],
-      [4, 'd', 0, 'd'.charCodeAt(0)],
-      [5, 'e', 0, 'e'.charCodeAt(0)],
-      [6, 'f', 0, 'f'.charCodeAt(0)],
-      [6, 'f', 0, 'f'.charCodeAt(0)]
-    ]);
-  });
-  it('replaceCells', function(): void {
-    const line = new TestBufferLine(5);
-    line.set(0, [1, 'a', 0, 'a'.charCodeAt(0)]);
-    line.set(1, [2, 'b', 0, 'b'.charCodeAt(0)]);
-    line.set(2, [3, 'c', 0, 'c'.charCodeAt(0)]);
-    line.set(3, [4, 'd', 0, 'd'.charCodeAt(0)]);
-    line.set(4, [5, 'e', 0, 'e'.charCodeAt(0)]);
-    line.replaceCells(2, 4, [6, 'f', 0, 'f'.charCodeAt(0)]);
-    chai.expect(line.toArray()).eql([
-      [1, 'a', 0, 'a'.charCodeAt(0)],
-      [2, 'b', 0, 'b'.charCodeAt(0)],
-      [6, 'f', 0, 'f'.charCodeAt(0)],
-      [6, 'f', 0, 'f'.charCodeAt(0)],
-      [5, 'e', 0, 'e'.charCodeAt(0)]
-    ]);
-  });
-  it('fill', function(): void {
-    const line = new TestBufferLine(5);
-    line.set(0, [1, 'a', 0, 'a'.charCodeAt(0)]);
-    line.set(1, [2, 'b', 0, 'b'.charCodeAt(0)]);
-    line.set(2, [3, 'c', 0, 'c'.charCodeAt(0)]);
-    line.set(3, [4, 'd', 0, 'd'.charCodeAt(0)]);
-    line.set(4, [5, 'e', 0, 'e'.charCodeAt(0)]);
-    line.fill([123, 'z', 0, 'z'.charCodeAt(0)]);
-    chai.expect(line.toArray()).eql([
-      [123, 'z', 0, 'z'.charCodeAt(0)],
-      [123, 'z', 0, 'z'.charCodeAt(0)],
-      [123, 'z', 0, 'z'.charCodeAt(0)],
-      [123, 'z', 0, 'z'.charCodeAt(0)],
-      [123, 'z', 0, 'z'.charCodeAt(0)]
-    ]);
-  });
-  it('clone', function(): void {
-    const line = new TestBufferLine(5, null, true);
-    line.set(0, [1, 'a', 0, 'a'.charCodeAt(0)]);
-    line.set(1, [2, 'b', 0, 'b'.charCodeAt(0)]);
-    line.set(2, [3, 'c', 0, 'c'.charCodeAt(0)]);
-    line.set(3, [4, 'd', 0, 'd'.charCodeAt(0)]);
-    line.set(4, [5, 'e', 0, 'e'.charCodeAt(0)]);
-    const line2 = line.clone();
-    chai.expect(TestBufferLine.prototype.toArray.apply(line2)).eql(line.toArray());
-    chai.expect(line2.length).equals(line.length);
-    chai.expect(line2.isWrapped).equals(line.isWrapped);
-  });
-  it('copyFrom', function(): void {
-    const line = new TestBufferLine(5);
-    line.set(0, [1, 'a', 0, 'a'.charCodeAt(0)]);
-    line.set(1, [2, 'b', 0, 'b'.charCodeAt(0)]);
-    line.set(2, [3, 'c', 0, 'c'.charCodeAt(0)]);
-    line.set(3, [4, 'd', 0, 'd'.charCodeAt(0)]);
-    line.set(4, [5, 'e', 0, 'e'.charCodeAt(0)]);
-    const line2 = new TestBufferLine(5, [1, 'a', 0, 'a'.charCodeAt(0)], true);
-    line2.copyFrom(line);
-    chai.expect(line2.toArray()).eql(line.toArray());
-    chai.expect(line2.length).equals(line.length);
-    chai.expect(line2.isWrapped).equals(line.isWrapped);
-  });
-  it('should support combining chars', function(): void {
-    // CHAR_DATA_CODE_INDEX resembles current behavior in InputHandler.print
-    // --> set code to the last charCodeAt value of the string
-    // Note: needs to be fixed once the string pointer is in place
-    const line = new TestBufferLine(2, [1, 'e\u0301', 0, '\u0301'.charCodeAt(0)]);
-    chai.expect(line.toArray()).eql([[1, 'e\u0301', 0, '\u0301'.charCodeAt(0)], [1, 'e\u0301', 0, '\u0301'.charCodeAt(0)]]);
-    const line2 = new TestBufferLine(5, [1, 'a', 0, '\u0301'.charCodeAt(0)], true);
-    line2.copyFrom(line);
-    chai.expect(line2.toArray()).eql(line.toArray());
-    const line3 = line.clone();
-    chai.expect(TestBufferLine.prototype.toArray.apply(line3)).eql(line.toArray());
-  });
-  describe('resize', function(): void {
-    it('enlarge(false)', function(): void {
-      const line = new TestBufferLine(5, [1, 'a', 0, 'a'.charCodeAt(0)], false);
-      line.resize(10, [1, 'a', 0, 'a'.charCodeAt(0)]);
-      chai.expect(line.toArray()).eql(Array(10).fill([1, 'a', 0, 'a'.charCodeAt(0)]));
-    });
-    it('enlarge(true)', function(): void {
-      const line = new TestBufferLine(5, [1, 'a', 0, 'a'.charCodeAt(0)], false);
-      line.resize(10, [1, 'a', 0, 'a'.charCodeAt(0)]);
-      chai.expect(line.toArray()).eql(Array(10).fill([1, 'a', 0, 'a'.charCodeAt(0)]));
-    });
-    it('shrink(true) - should apply new size', function(): void {
-      const line = new TestBufferLine(10, [1, 'a', 0, 'a'.charCodeAt(0)], false);
-      line.resize(5, [1, 'a', 0, 'a'.charCodeAt(0)]);
-      chai.expect(line.toArray()).eql(Array(5).fill([1, 'a', 0, 'a'.charCodeAt(0)]));
-    });
-    it('shrink to 0 length', function(): void {
-      const line = new TestBufferLine(10, [1, 'a', 0, 'a'.charCodeAt(0)], false);
-      line.resize(0, [1, 'a', 0, 'a'.charCodeAt(0)]);
-      chai.expect(line.toArray()).eql(Array(0).fill([1, 'a', 0, 'a'.charCodeAt(0)]));
-    });
-    it('should remove combining data on replaced cells after shrinking then enlarging', () => {
-      const line = new TestBufferLine(10, [1, 'a', 0, 'a'.charCodeAt(0)], false);
-      line.set(2, [ null, '😁', 1, '😁'.charCodeAt(0) ]);
-      line.set(9, [ null, '😁', 1, '😁'.charCodeAt(0) ]);
-      chai.expect(line.translateToString()).eql('aa😁aaaaaa😁');
-      chai.expect(Object.keys(line.combined).length).eql(2);
-      line.resize(5, [1, 'a', 0, 'a'.charCodeAt(0)]);
-      chai.expect(line.translateToString()).eql('aa😁aa');
-      line.resize(10, [1, 'a', 0, 'a'.charCodeAt(0)]);
-      chai.expect(line.translateToString()).eql('aa😁aaaaaaa');
-      chai.expect(Object.keys(line.combined).length).eql(1);
-    });
-  });
-  describe('getTrimLength', function(): void {
-    it('empty line', function(): void {
-      const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE], false);
-      chai.expect(line.getTrimmedLength()).equal(0);
-    });
-    it('ASCII', function(): void {
-      const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE], false);
-      line.set(0, [1, 'a', 1, 'a'.charCodeAt(0)]);
-      line.set(2, [1, 'a', 1, 'a'.charCodeAt(0)]);
-      chai.expect(line.getTrimmedLength()).equal(3);
-    });
-    it('surrogate', function(): void {
-      const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE], false);
-      line.set(0, [1, 'a', 1, 'a'.charCodeAt(0)]);
-      line.set(2, [1, '𝄞', 1, '𝄞'.charCodeAt(0)]);
-      chai.expect(line.getTrimmedLength()).equal(3);
-    });
-    it('combining', function(): void {
-      const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE], false);
-      line.set(0, [1, 'a', 1, 'a'.charCodeAt(0)]);
-      line.set(2, [1, 'e\u0301', 1, '\u0301'.charCodeAt(0)]);
-      chai.expect(line.getTrimmedLength()).equal(3);
-    });
-    it('fullwidth', function(): void {
-      const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE], false);
-      line.set(0, [1, 'a', 1, 'a'.charCodeAt(0)]);
-      line.set(2, [1, '１', 2, '１'.charCodeAt(0)]);
-      line.set(3, [0, '', 0, undefined]);
-      chai.expect(line.getTrimmedLength()).equal(4); // also counts null cell after fullwidth
-    });
-  });
-  describe('translateToString with and w\'o trimming', function(): void {
-    it('empty line', function(): void {
-      const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE], false);
-      chai.expect(line.translateToString(false)).equal('          ');
-      chai.expect(line.translateToString(true)).equal('');
-    });
-    it('ASCII', function(): void {
-      const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE], false);
-      line.set(0, [1, 'a', 1, 'a'.charCodeAt(0)]);
-      line.set(2, [1, 'a', 1, 'a'.charCodeAt(0)]);
-      line.set(4, [1, 'a', 1, 'a'.charCodeAt(0)]);
-      line.set(5, [1, 'a', 1, 'a'.charCodeAt(0)]);
-      chai.expect(line.translateToString(false)).equal('a a aa    ');
-      chai.expect(line.translateToString(true)).equal('a a aa');
-      chai.expect(line.translateToString(false, 0, 5)).equal('a a a');
-      chai.expect(line.translateToString(false, 0, 4)).equal('a a ');
-      chai.expect(line.translateToString(false, 0, 3)).equal('a a');
-      chai.expect(line.translateToString(true, 0, 5)).equal('a a a');
-      chai.expect(line.translateToString(true, 0, 4)).equal('a a ');
-      chai.expect(line.translateToString(true, 0, 3)).equal('a a');
-
-    });
-    it('surrogate', function(): void {
-      const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE], false);
-      line.set(0, [1, 'a', 1, 'a'.charCodeAt(0)]);
-      line.set(2, [1, '𝄞', 1, '𝄞'.charCodeAt(0)]);
-      line.set(4, [1, '𝄞', 1, '𝄞'.charCodeAt(0)]);
-      line.set(5, [1, '𝄞', 1, '𝄞'.charCodeAt(0)]);
-      chai.expect(line.translateToString(false)).equal('a 𝄞 𝄞𝄞    ');
-      chai.expect(line.translateToString(true)).equal('a 𝄞 𝄞𝄞');
-      chai.expect(line.translateToString(false, 0, 5)).equal('a 𝄞 𝄞');
-      chai.expect(line.translateToString(false, 0, 4)).equal('a 𝄞 ');
-      chai.expect(line.translateToString(false, 0, 3)).equal('a 𝄞');
-      chai.expect(line.translateToString(true, 0, 5)).equal('a 𝄞 𝄞');
-      chai.expect(line.translateToString(true, 0, 4)).equal('a 𝄞 ');
-      chai.expect(line.translateToString(true, 0, 3)).equal('a 𝄞');
-    });
-    it('combining', function(): void {
-      const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE], false);
-      line.set(0, [1, 'a', 1, 'a'.charCodeAt(0)]);
-      line.set(2, [1, 'e\u0301', 1, '\u0301'.charCodeAt(0)]);
-      line.set(4, [1, 'e\u0301', 1, '\u0301'.charCodeAt(0)]);
-      line.set(5, [1, 'e\u0301', 1, '\u0301'.charCodeAt(0)]);
-      chai.expect(line.translateToString(false)).equal('a e\u0301 e\u0301e\u0301    ');
-      chai.expect(line.translateToString(true)).equal('a e\u0301 e\u0301e\u0301');
-      chai.expect(line.translateToString(false, 0, 5)).equal('a e\u0301 e\u0301');
-      chai.expect(line.translateToString(false, 0, 4)).equal('a e\u0301 ');
-      chai.expect(line.translateToString(false, 0, 3)).equal('a e\u0301');
-      chai.expect(line.translateToString(true, 0, 5)).equal('a e\u0301 e\u0301');
-      chai.expect(line.translateToString(true, 0, 4)).equal('a e\u0301 ');
-      chai.expect(line.translateToString(true, 0, 3)).equal('a e\u0301');
-    });
-    it('fullwidth', function(): void {
-      const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE], false);
-      line.set(0, [1, 'a', 1, 'a'.charCodeAt(0)]);
-      line.set(2, [1, '１', 2, '１'.charCodeAt(0)]);
-      line.set(3, [0, '', 0, undefined]);
-      line.set(5, [1, '１', 2, '１'.charCodeAt(0)]);
-      line.set(6, [0, '', 0, undefined]);
-      line.set(7, [1, '１', 2, '１'.charCodeAt(0)]);
-      line.set(8, [0, '', 0, undefined]);
-      chai.expect(line.translateToString(false)).equal('a １ １１ ');
-      chai.expect(line.translateToString(true)).equal('a １ １１');
-      chai.expect(line.translateToString(false, 0, 7)).equal('a １ １');
-      chai.expect(line.translateToString(false, 0, 6)).equal('a １ １');
-      chai.expect(line.translateToString(false, 0, 5)).equal('a １ ');
-      chai.expect(line.translateToString(false, 0, 4)).equal('a １');
-      chai.expect(line.translateToString(false, 0, 3)).equal('a １');
-      chai.expect(line.translateToString(false, 0, 2)).equal('a ');
-      chai.expect(line.translateToString(true, 0, 7)).equal('a １ １');
-      chai.expect(line.translateToString(true, 0, 6)).equal('a １ １');
-      chai.expect(line.translateToString(true, 0, 5)).equal('a １ ');
-      chai.expect(line.translateToString(true, 0, 4)).equal('a １');
-      chai.expect(line.translateToString(true, 0, 3)).equal('a １');
-      chai.expect(line.translateToString(true, 0, 2)).equal('a ');
-    });
-    it('space at end', function(): void {
-      const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE], false);
-      line.set(0, [1, 'a', 1, 'a'.charCodeAt(0)]);
-      line.set(2, [1, 'a', 1, 'a'.charCodeAt(0)]);
-      line.set(4, [1, 'a', 1, 'a'.charCodeAt(0)]);
-      line.set(5, [1, 'a', 1, 'a'.charCodeAt(0)]);
-      line.set(6, [1, ' ', 1, ' '.charCodeAt(0)]);
-      chai.expect(line.translateToString(false)).equal('a a aa    ');
-      chai.expect(line.translateToString(true)).equal('a a aa ');
-    });
-    it('should always return some sane value', function(): void {
-      // sanity check - broken line with invalid out of bound null width cells
-      // this can atm happen with deleting/inserting chars in inputhandler by "breaking"
-      // fullwidth pairs --> needs to be fixed after settling BufferLine impl
-      const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, 0, NULL_CELL_CODE], false);
-      chai.expect(line.translateToString(false)).equal('          ');
-      chai.expect(line.translateToString(true)).equal('');
-    });
-    it('should work with endCol=0', () => {
-      const line = new TestBufferLine(10, [DEFAULT_ATTR, NULL_CELL_CHAR, 0, NULL_CELL_CODE], false);
-      line.set(0, [1, 'a', 1, 'a'.charCodeAt(0)]);
-      chai.expect(line.translateToString(true, 0, 0)).equal('');
-    });
-  });
-});
@@ -1,233 +0,0 @@
-/**
- * Copyright (c) 2018 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-import { CharData, IBufferLine } from './Types';
-import { NULL_CELL_CODE, NULL_CELL_WIDTH, NULL_CELL_CHAR, WHITESPACE_CELL_CHAR } from './Buffer';
-
-
-/** typed array slots taken by one cell */
-const CELL_SIZE = 3;
-
-/** cell member indices */
-const enum Cell {
-  FLAGS = 0,
-  STRING = 1,
-  WIDTH = 2
-}
-
-/** single vs. combined char distinction */
-const IS_COMBINED_BIT_MASK = 0x80000000;
-
-/**
- * Typed array based bufferline implementation.
- */
-export class BufferLine implements IBufferLine {
-  protected _data: Uint32Array | null = null;
-  protected _combined: {[index: number]: string} = {};
-  public length: number;
-
-  constructor(cols: number, fillCharData?: CharData, public isWrapped: boolean = false) {
-    if (!fillCharData) {
-      fillCharData = [0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE];
-    }
-    if (cols) {
-      this._data = new Uint32Array(cols * CELL_SIZE);
-      for (let i = 0; i < cols; ++i) {
-        this.set(i, fillCharData);
-      }
-    }
-    this.length = cols;
-  }
-
-  public get(index: number): CharData {
-    const stringData = this._data[index * CELL_SIZE + Cell.STRING];
-    return [
-      this._data[index * CELL_SIZE + Cell.FLAGS],
-      (stringData & IS_COMBINED_BIT_MASK)
-        ? this._combined[index]
-        : (stringData) ? String.fromCharCode(stringData) : '',
-      this._data[index * CELL_SIZE + Cell.WIDTH],
-      (stringData & IS_COMBINED_BIT_MASK)
-        ? this._combined[index].charCodeAt(this._combined[index].length - 1)
-        : stringData
-    ];
-  }
-
-  public getWidth(index: number): number {
-    return this._data[index * CELL_SIZE + Cell.WIDTH];
-  }
-
-  public set(index: number, value: CharData): void {
-    this._data[index * CELL_SIZE + Cell.FLAGS] = value[0];
-    if (value[1].length > 1) {
-      this._combined[index] = value[1];
-      this._data[index * CELL_SIZE + Cell.STRING] = index | IS_COMBINED_BIT_MASK;
-    } else {
-      this._data[index * CELL_SIZE + Cell.STRING] = value[1].charCodeAt(0);
-    }
-    this._data[index * CELL_SIZE + Cell.WIDTH] = value[2];
-  }
-
-  public insertCells(pos: number, n: number, fillCharData: CharData): void {
-    pos %= this.length;
-    if (n < this.length - pos) {
-      for (let i = this.length - pos - n - 1; i >= 0; --i) {
-        this.set(pos + n + i, this.get(pos + i));
-      }
-      for (let i = 0; i < n; ++i) {
-        this.set(pos + i, fillCharData);
-      }
-    } else {
-      for (let i = pos; i < this.length; ++i) {
-        this.set(i, fillCharData);
-      }
-    }
-  }
-
-  public deleteCells(pos: number, n: number, fillCharData: CharData): void {
-    pos %= this.length;
-    if (n < this.length - pos) {
-      for (let i = 0; i < this.length - pos - n; ++i) {
-        this.set(pos + i, this.get(pos + n + i));
-      }
-      for (let i = this.length - n; i < this.length; ++i) {
-        this.set(i, fillCharData);
-      }
-    } else {
-      for (let i = pos; i < this.length; ++i) {
-        this.set(i, fillCharData);
-      }
-    }
-  }
-
-  public replaceCells(start: number, end: number, fillCharData: CharData): void {
-    while (start < end  && start < this.length) {
-      this.set(start++, fillCharData);
-    }
-  }
-
-  public resize(cols: number, fillCharData: CharData): void {
-    if (cols === this.length) {
-      return;
-    }
-    if (cols > this.length) {
-      const data = new Uint32Array(cols * CELL_SIZE);
-      if (this.length) {
-        if (cols * CELL_SIZE < this._data.length) {
-          data.set(this._data.subarray(0, cols * CELL_SIZE));
-        } else {
-          data.set(this._data);
-        }
-      }
-      this._data = data;
-      for (let i = this.length; i < cols; ++i) {
-        this.set(i, fillCharData);
-      }
-    } else {
-      if (cols) {
-        const data = new Uint32Array(cols * CELL_SIZE);
-        data.set(this._data.subarray(0, cols * CELL_SIZE));
-        this._data = data;
-        // Remove any cut off combined data
-        const keys = Object.keys(this._combined);
-        for (let i = 0; i < keys.length; i++) {
-          const key = parseInt(keys[i], 10);
-          if (key >= cols) {
-            delete this._combined[key];
-          }
-        }
-      } else {
-        this._data = null;
-        this._combined = {};
-      }
-    }
-    this.length = cols;
-  }
-
-  /** fill a line with fillCharData */
-  public fill(fillCharData: CharData): void {
-    this._combined = {};
-    for (let i = 0; i < this.length; ++i) {
-      this.set(i, fillCharData);
-    }
-  }
-
-  /** alter to a full copy of line  */
-  public copyFrom(line: BufferLine): void {
-    if (this.length !== line.length) {
-      this._data = new Uint32Array(line._data);
-    } else {
-      // use high speed copy if lengths are equal
-      this._data.set(line._data);
-    }
-    this.length = line.length;
-    this._combined = {};
-    for (const el in line._combined) {
-      this._combined[el] = line._combined[el];
-    }
-    this.isWrapped = line.isWrapped;
-  }
-
-  /** create a new clone */
-  public clone(): IBufferLine {
-    const newLine = new BufferLine(0);
-    // creation of new typed array from another is actually pretty slow :(
-    // still faster than copying values one by one
-    newLine._data = new Uint32Array(this._data);
-    newLine.length = this.length;
-    for (const el in this._combined) {
-      newLine._combined[el] = this._combined[el];
-    }
-    newLine.isWrapped = this.isWrapped;
-    return newLine;
-  }
-
-  public getTrimmedLength(): number {
-    for (let i = this.length - 1; i >= 0; --i) {
-      if (this._data[i * CELL_SIZE + Cell.STRING] !== 0) {  // 0 ==> ''.charCodeAt(0) ==> NaN ==> 0
-        return i + this._data[i * CELL_SIZE + Cell.WIDTH];
-      }
-    }
-    return 0;
-  }
-
-  public copyCellsFrom(src: BufferLine, srcCol: number, destCol: number, length: number, applyInReverse: boolean): void {
-    const srcData = src._data;
-    if (applyInReverse) {
-      for (let cell = length - 1; cell >= 0; cell--) {
-        for (let i = 0; i < CELL_SIZE; i++) {
-          this._data[(destCol + cell) * CELL_SIZE + i] = srcData[(srcCol + cell) * CELL_SIZE + i];
-        }
-      }
-    } else {
-      for (let cell = 0; cell < length; cell++) {
-        for (let i = 0; i < CELL_SIZE; i++) {
-          this._data[(destCol + cell) * CELL_SIZE + i] = srcData[(srcCol + cell) * CELL_SIZE + i];
-        }
-      }
-    }
-
-    // Move any combined data over as needed
-    const srcCombinedKeys = Object.keys(src._combined);
-    for (let i = 0; i < srcCombinedKeys.length; i++) {
-      const key = parseInt(srcCombinedKeys[i], 10);
-      if (key >= srcCol) {
-        this._combined[key - srcCol + destCol] = src._combined[key];
-      }
-    }
-  }
-
-  public translateToString(trimRight: boolean = false, startCol: number = 0, endCol: number = this.length): string {
-    if (trimRight) {
-      endCol = Math.min(endCol, this.getTrimmedLength());
-    }
-    let result = '';
-    while (startCol < endCol) {
-      const stringData = this._data[startCol * CELL_SIZE + Cell.STRING];
-      result += (stringData & IS_COMBINED_BIT_MASK) ? this._combined[startCol] : (stringData) ? String.fromCharCode(stringData) : WHITESPACE_CELL_CHAR;
-      startCol += this._data[startCol * CELL_SIZE + Cell.WIDTH] || 1;
-    }
-    return result;
-  }
-}
@@ -1,93 +0,0 @@
-/**
- * Copyright (c) 2019 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-import { assert } from 'chai';
-import { BufferLine } from './BufferLine';
-import { reflowSmallerGetNewLineLengths } from './BufferReflow';
-import { NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE } from './Buffer';
-
-describe('BufferReflow', () => {
-  describe('reflowSmallerGetNewLineLengths', () => {
-    it('should return correct line lengths for a small line with wide characters', () => {
-      const line = new BufferLine(4);
-      line.set(0, [null, '汉', 2, '汉'.charCodeAt(0)]);
-      line.set(1, [null, '', 0, undefined]);
-      line.set(2, [null, '语', 2, '语'.charCodeAt(0)]);
-      line.set(3, [null, '', 0, undefined]);
-      assert.equal(line.translateToString(true), '汉语');
-      assert.deepEqual(reflowSmallerGetNewLineLengths([line], 4, 3), [2, 2], 'line: 汉, 语');
-      assert.deepEqual(reflowSmallerGetNewLineLengths([line], 4, 2), [2, 2], 'line: 汉, 语');
-    });
-    it('should return correct line lengths for a large line with wide characters', () => {
-      const line = new BufferLine(12);
-      for (let i = 0; i < 12; i += 4) {
-        line.set(i, [null, '汉', 2, '汉'.charCodeAt(0)]);
-        line.set(i + 2, [null, '语', 2, '语'.charCodeAt(0)]);
-      }
-      for (let i = 1; i < 12; i += 2) {
-        line.set(i, [null, '', 0, undefined]);
-        line.set(i, [null, '', 0, undefined]);
-      }
-      assert.equal(line.translateToString(), '汉语汉语汉语');
-      assert.deepEqual(reflowSmallerGetNewLineLengths([line], 12, 11), [10, 2], 'line: 汉语汉语汉, 语');
-      assert.deepEqual(reflowSmallerGetNewLineLengths([line], 12, 10), [10, 2], 'line: 汉语汉语汉, 语');
-      assert.deepEqual(reflowSmallerGetNewLineLengths([line], 12, 9), [8, 4], 'line: 汉语汉语, 汉语');
-      assert.deepEqual(reflowSmallerGetNewLineLengths([line], 12, 8), [8, 4], 'line: 汉语汉语, 汉语');
-      assert.deepEqual(reflowSmallerGetNewLineLengths([line], 12, 7), [6, 6], 'line: 汉语汉, 语汉语');
-      assert.deepEqual(reflowSmallerGetNewLineLengths([line], 12, 6), [6, 6], 'line: 汉语汉, 语汉语');
-      assert.deepEqual(reflowSmallerGetNewLineLengths([line], 12, 5), [4, 4, 4], 'line: 汉语, 汉语, 汉语');
-      assert.deepEqual(reflowSmallerGetNewLineLengths([line], 12, 4), [4, 4, 4], 'line: 汉语, 汉语, 汉语');
-      assert.deepEqual(reflowSmallerGetNewLineLengths([line], 12, 3), [2, 2, 2, 2, 2, 2], 'line: 汉, 语, 汉, 语, 汉, 语');
-      assert.deepEqual(reflowSmallerGetNewLineLengths([line], 12, 2), [2, 2, 2, 2, 2, 2], 'line: 汉, 语, 汉, 语, 汉, 语');
-    });
-    it('should return correct line lengths for a string with wide and single characters', () => {
-      const line = new BufferLine(6);
-      line.set(0, [null, 'a', 1, 'a'.charCodeAt(0)]);
-      line.set(1, [null, '汉', 2, '汉'.charCodeAt(0)]);
-      line.set(2, [null, '', 0, undefined]);
-      line.set(3, [null, '语', 2, '语'.charCodeAt(0)]);
-      line.set(4, [null, '', 0, undefined]);
-      line.set(5, [null, 'b', 1, 'b'.charCodeAt(0)]);
-      assert.equal(line.translateToString(), 'a汉语b');
-      assert.deepEqual(reflowSmallerGetNewLineLengths([line], 6, 5), [5, 1], 'line: a汉语b');
-      assert.deepEqual(reflowSmallerGetNewLineLengths([line], 6, 4), [3, 3], 'line: a汉, 语b');
-      assert.deepEqual(reflowSmallerGetNewLineLengths([line], 6, 3), [3, 3], 'line: a汉, 语b');
-      assert.deepEqual(reflowSmallerGetNewLineLengths([line], 6, 2), [1, 2, 2, 1], 'line: a, 汉, 语, b');
-    });
-    it('should return correct line lengths for a wrapped line with wide and single characters', () => {
-      const line1 = new BufferLine(6);
-      line1.set(0, [null, 'a', 1, 'a'.charCodeAt(0)]);
-      line1.set(1, [null, '汉', 2, '汉'.charCodeAt(0)]);
-      line1.set(2, [null, '', 0, undefined]);
-      line1.set(3, [null, '语', 2, '语'.charCodeAt(0)]);
-      line1.set(4, [null, '', 0, undefined]);
-      line1.set(5, [null, 'b', 1, 'b'.charCodeAt(0)]);
-      const line2 = new BufferLine(6, undefined, true);
-      line2.set(0, [null, 'a', 1, 'a'.charCodeAt(0)]);
-      line2.set(1, [null, '汉', 2, '汉'.charCodeAt(0)]);
-      line2.set(2, [null, '', 0, undefined]);
-      line2.set(3, [null, '语', 2, '语'.charCodeAt(0)]);
-      line2.set(4, [null, '', 0, undefined]);
-      line2.set(5, [null, 'b', 1, 'b'.charCodeAt(0)]);
-      assert.equal(line1.translateToString(), 'a汉语b');
-      assert.equal(line2.translateToString(), 'a汉语b');
-      assert.deepEqual(reflowSmallerGetNewLineLengths([line1, line2], 6, 5), [5, 4, 3], 'lines: a汉语, ba汉, 语b');
-      assert.deepEqual(reflowSmallerGetNewLineLengths([line1, line2], 6, 4), [3, 4, 4, 1], 'lines: a汉, 语ba, 汉语, b');
-      assert.deepEqual(reflowSmallerGetNewLineLengths([line1, line2], 6, 3), [3, 3, 3, 3], 'lines: a汉, 语b, a汉, 语b');
-      assert.deepEqual(reflowSmallerGetNewLineLengths([line1, line2], 6, 2), [1, 2, 2, 2, 2, 2, 1], 'lines: a, 汉, 语, ba, 汉, 语, b');
-    });
-    it('should work on lines ending in null space', () => {
-      const line = new BufferLine(5);
-      line.set(0, [null, '汉', 2, '汉'.charCodeAt(0)]);
-      line.set(1, [null, '', 0, undefined]);
-      line.set(2, [null, '语', 2, '语'.charCodeAt(0)]);
-      line.set(3, [null, '', 0, undefined]);
-      line.set(4, [null, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);
-      assert.equal(line.translateToString(true), '汉语');
-      assert.equal(line.translateToString(false), '汉语 ');
-      assert.deepEqual(reflowSmallerGetNewLineLengths([line], 4, 3), [2, 2], 'line: 汉, 语');
-      assert.deepEqual(reflowSmallerGetNewLineLengths([line], 4, 2), [2, 2], 'line: 汉, 语');
-    });
-  });
-});
@@ -1,205 +0,0 @@
-/**
- * Copyright (c) 2019 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-
-import { FILL_CHAR_DATA } from './Buffer';
-import { BufferLine } from './BufferLine';
-import { CircularList, IDeleteEvent } from './common/CircularList';
-import { IBufferLine } from './Types';
-
-export interface INewLayoutResult {
-  layout: number[];
-  countRemoved: number;
-}
-
-/**
- * Evaluates and returns indexes to be removed after a reflow larger occurs. Lines will be removed
- * when a wrapped line unwraps.
- * @param lines The buffer lines.
- * @param newCols The columns after resize.
- */
-export function reflowLargerGetLinesToRemove(lines: CircularList<IBufferLine>, newCols: number, bufferAbsoluteY: number): number[] {
-  // Gather all BufferLines that need to be removed from the Buffer here so that they can be
-  // batched up and only committed once
-  const toRemove: number[] = [];
-
-  for (let y = 0; y < lines.length - 1; y++) {
-    // Check if this row is wrapped
-    let i = y;
-    let nextLine = lines.get(++i) as BufferLine;
-    if (!nextLine.isWrapped) {
-      continue;
-    }
-
-    // Check how many lines it's wrapped for
-    const wrappedLines: BufferLine[] = [lines.get(y) as BufferLine];
-    while (i < lines.length && nextLine.isWrapped) {
-      wrappedLines.push(nextLine);
-      nextLine = lines.get(++i) as BufferLine;
-    }
-
-    // If these lines contain the cursor don't touch them, the program will handle fixing up wrapped
-    // lines with the cursor
-    if (bufferAbsoluteY >= y && bufferAbsoluteY < i) {
-      y += wrappedLines.length - 1;
-      continue;
-    }
-
-    // Copy buffer data to new locations
-    let destLineIndex = 0;
-    let destCol = wrappedLines[destLineIndex].getTrimmedLength();
-    let srcLineIndex = 1;
-    let srcCol = 0;
-    while (srcLineIndex < wrappedLines.length) {
-      const srcTrimmedTineLength = wrappedLines[srcLineIndex].getTrimmedLength();
-      const srcRemainingCells = srcTrimmedTineLength - srcCol;
-      const destRemainingCells = newCols - destCol;
-      const cellsToCopy = Math.min(srcRemainingCells, destRemainingCells);
-
-      wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[srcLineIndex], srcCol, destCol, cellsToCopy, false);
-
-      destCol += cellsToCopy;
-      if (destCol === newCols) {
-        destLineIndex++;
-        destCol = 0;
-      }
-      srcCol += cellsToCopy;
-      if (srcCol === srcTrimmedTineLength) {
-        srcLineIndex++;
-        srcCol = 0;
-      }
-
-      // Make sure the last cell isn't wide, if it is copy it to the current dest
-      if (destCol === 0 && destLineIndex !== 0) {
-        if (wrappedLines[destLineIndex - 1].getWidth(newCols - 1) === 2) {
-          wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[destLineIndex - 1], newCols - 1, destCol++, 1, false);
-          // Null out the end of the last row
-          wrappedLines[destLineIndex - 1].set(newCols - 1, FILL_CHAR_DATA);
-        }
-      }
-    }
-
-    // Clear out remaining cells or fragments could remain;
-    wrappedLines[destLineIndex].replaceCells(destCol, newCols, FILL_CHAR_DATA);
-
-    // Work backwards and remove any rows at the end that only contain null cells
-    let countToRemove = 0;
-    for (let i = wrappedLines.length - 1; i > 0; i--) {
-      if (i > destLineIndex || wrappedLines[i].getTrimmedLength() === 0) {
-        countToRemove++;
-      } else {
-        break;
-      }
-    }
-
-    if (countToRemove > 0) {
-      toRemove.push(y + wrappedLines.length - countToRemove); // index
-      toRemove.push(countToRemove);
-    }
-
-    y += wrappedLines.length - 1;
-  }
-  return toRemove;
-}
-
-/**
- * Creates and return the new layout for lines given an array of indexes to be removed.
- * @param lines The buffer lines.
- * @param toRemove The indexes to remove.
- */
-export function reflowLargerCreateNewLayout(lines: CircularList<IBufferLine>, toRemove: number[]): INewLayoutResult {
-  const layout: number[] = [];
-  // First iterate through the list and get the actual indexes to use for rows
-  let nextToRemoveIndex = 0;
-  let nextToRemoveStart = toRemove[nextToRemoveIndex];
-  let countRemovedSoFar = 0;
-  for (let i = 0; i < lines.length; i++) {
-    if (nextToRemoveStart === i) {
-      const countToRemove = toRemove[++nextToRemoveIndex];
-
-      // Tell markers that there was a deletion
-      lines.emit('delete', {
-        index: i - countRemovedSoFar,
-        amount: countToRemove
-      } as IDeleteEvent);
-
-      i += countToRemove - 1;
-      countRemovedSoFar += countToRemove;
-      nextToRemoveStart = toRemove[++nextToRemoveIndex];
-    } else {
-      layout.push(i);
-    }
-  }
-  return {
-    layout,
-    countRemoved: countRemovedSoFar
-  };
-}
-
-/**
- * Applies a new layout to the buffer. This essentially does the same as many splice calls but it's
- * done all at once in a single iteration through the list since splice is very expensive.
- * @param lines The buffer lines.
- * @param newLayout The new layout to apply.
- */
-export function reflowLargerApplyNewLayout(lines: CircularList<IBufferLine>, newLayout: number[]): void {
-  // Record original lines so they don't get overridden when we rearrange the list
-  const newLayoutLines: BufferLine[] = [];
-  for (let i = 0; i < newLayout.length; i++) {
-    newLayoutLines.push(lines.get(newLayout[i]) as BufferLine);
-  }
-
-  // Rearrange the list
-  for (let i = 0; i < newLayoutLines.length; i++) {
-    lines.set(i, newLayoutLines[i]);
-  }
-  lines.length = newLayout.length;
-}
-
-/**
- * Gets the new line lengths for a given wrapped line. The purpose of this function it to pre-
- * compute the wrapping points since wide characters may need to be wrapped onto the following line.
- * This function will return an array of numbers of where each line wraps to, the resulting array
- * will only contain the values `newCols` (when the line does not end with a wide character) and
- * `newCols - 1` (when the line does end with a wide character), except for the last value which
- * will contain the remaining items to fill the line.
- *
- * Calling this with a `newCols` value of `1` will lock up.
- *
- * @param wrappedLines The wrapped lines to evaluate.
- * @param oldCols The columns before resize.
- * @param newCols The columns after resize.
- */
-export function reflowSmallerGetNewLineLengths(wrappedLines: BufferLine[], oldCols: number, newCols: number): number[] {
-  const newLineLengths: number[] = [];
-  const cellsNeeded = wrappedLines.map(l => l.getTrimmedLength()).reduce((p, c) => p + c);
-
-  // Use srcCol and srcLine to find the new wrapping point, use that to get the cellsAvailable and
-  // linesNeeded
-  let srcCol = 0;
-  let srcLine = 0;
-  let cellsAvailable = 0;
-  while (cellsAvailable < cellsNeeded) {
-    if (cellsNeeded - cellsAvailable < newCols) {
-      // Add the final line and exit the loop
-      newLineLengths.push(cellsNeeded - cellsAvailable);
-      break;
-    }
-    srcCol += newCols;
-    const oldTrimmedLength = wrappedLines[srcLine].getTrimmedLength();
-    if (srcCol > oldTrimmedLength) {
-      srcCol -= oldTrimmedLength;
-      srcLine++;
-    }
-    const endsWithWide = wrappedLines[srcLine].getWidth(srcCol - 1) === 2;
-    if (endsWithWide) {
-      srcCol--;
-    }
-    const lineLength = endsWithWide ? newCols - 1 : newCols;
-    newLineLengths.push(lineLength);
-    cellsAvailable += lineLength;
-  }
-
-  return newLineLengths;
-}
@@ -7,7 +7,7 @@ import { assert } from 'chai';
 import { ITerminal } from './Types';
 import { BufferSet } from './BufferSet';
 import { Buffer } from './Buffer';
-import { MockTerminal } from './ui/TestUtils.test';
+import { MockTerminal } from './utils/TestUtils.test';

 describe('BufferSet', () => {
  let terminal: ITerminal;
@@ -15,8 +15,8 @@ describe('BufferSet', () => {

  beforeEach(() => {
    terminal = new MockTerminal();
-    (terminal as any).cols = 80;
-    (terminal as any).rows = 24;
+    terminal.cols = 80;
+    terminal.rows = 24;
    terminal.options.scrollback = 1000;
    bufferSet = new BufferSet(terminal);
  });
@@ -48,30 +48,4 @@ describe('BufferSet', () => {
      assert.equal(bufferSet.active, bufferSet.alt);
    });
  });
-
-  describe('cursor handling when swapping buffers', () => {
-    beforeEach(() => {
-      bufferSet.normal.x = 0;
-      bufferSet.normal.y = 0;
-      bufferSet.alt.x = 0;
-      bufferSet.alt.y = 0;
-    });
-
-    it('should keep the cursor stationary when activating alt buffer', () => {
-      bufferSet.activateNormalBuffer();
-      bufferSet.active.x = 30;
-      bufferSet.active.y = 10;
-      bufferSet.activateAltBuffer();
-      assert.equal(bufferSet.active.x, 30);
-      assert.equal(bufferSet.active.y, 10);
-    });
-    it('should keep the cursor stationary when activating normal buffer', () => {
-      bufferSet.activateAltBuffer();
-      bufferSet.active.x = 30;
-      bufferSet.active.y = 10;
-      bufferSet.activateNormalBuffer();
-      assert.equal(bufferSet.active.x, 30);
-      assert.equal(bufferSet.active.y, 10);
-    });
-  });
 });
@@ -5,7 +5,7 @@

 import { ITerminal, IBufferSet } from './Types';
 import { Buffer } from './Buffer';
-import { EventEmitter } from './common/EventEmitter';
+import { EventEmitter } from './EventEmitter';

 /**
 * The BufferSet represents the set of two buffers used by xterm terminals (normal and alt) and
@@ -18,7 +18,7 @@ export class BufferSet extends EventEmitter implements IBufferSet {

  /**
   * Create a new BufferSet for the given terminal.
-   * @param _terminal - The terminal the BufferSet will belong to
+   * @param {Terminal} terminal - The terminal the BufferSet will belong to
   */
  constructor(private _terminal: ITerminal) {
    super();
@@ -35,6 +35,7 @@ export class BufferSet extends EventEmitter implements IBufferSet {

  /**
   * Returns the alt Buffer of the BufferSet
+   * @returns {Buffer}
   */
  public get alt(): Buffer {
    return this._alt;
@@ -42,6 +43,7 @@ export class BufferSet extends EventEmitter implements IBufferSet {

  /**
   * Returns the normal Buffer of the BufferSet
+   * @returns {Buffer}
   */
  public get active(): Buffer {
    return this._activeBuffer;
@@ -49,6 +51,7 @@ export class BufferSet extends EventEmitter implements IBufferSet {

  /**
   * Returns the currently active Buffer of the BufferSet
+   * @returns {Buffer}
   */
  public get normal(): Buffer {
    return this._normal;
@@ -61,8 +64,6 @@ export class BufferSet extends EventEmitter implements IBufferSet {
    if (this._activeBuffer === this._normal) {
      return;
    }
-    this._normal.x = this._alt.x;
-    this._normal.y = this._alt.y;
    // The alt buffer should always be cleared when we switch to the normal
    // buffer. This frees up memory since the alt buffer should always be new
    // when activated.
@@ -77,15 +78,13 @@ export class BufferSet extends EventEmitter implements IBufferSet {
  /**
   * Sets the alt Buffer of the BufferSet as its currently active Buffer
   */
-  public activateAltBuffer(fillAttr?: number): void {
+  public activateAltBuffer(): void {
    if (this._activeBuffer === this._alt) {
      return;
    }
    // Since the alt buffer is always cleared when the normal buffer is
    // activated, we want to fill it when switching to it.
-    this._alt.fillViewportRows(fillAttr);
-    this._alt.x = this._normal.x;
-    this._alt.y = this._normal.y;
+    this._alt.fillViewportRows();
    this._activeBuffer = this._alt;
    this.emit('activate', {
      activeBuffer: this._alt,
@@ -1,254 +0,0 @@
-/**
- * Copyright (c) 2017 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-
-import { TestTerminal } from './ui/TestUtils.test';
-import { assert } from 'chai';
-import { getStringCellWidth, wcwidth } from './CharWidth';
-import { IBuffer } from './Types';
-import { CHAR_DATA_WIDTH_INDEX, CHAR_DATA_CHAR_INDEX } from './Buffer';
-
-
-describe('getStringCellWidth', function(): void {
-  let terminal: TestTerminal;
-
-  beforeEach(() => {
-    terminal = new TestTerminal({rows: 5, cols: 30});
-  });
-
-  function sumWidths(buffer: IBuffer, start: number, end: number, sentinel: string): number {
-    let result = 0;
-    for (let i = start; i < end; ++i) {
-      const line = buffer.lines.get(i);
-      for (let j = 0; j < line.length; ++j) { // TODO: change to trimBorder with multiline
-        const ch = line.get(j);
-        result += ch[CHAR_DATA_WIDTH_INDEX];
-        // return on sentinel
-        if (ch[CHAR_DATA_CHAR_INDEX] === sentinel) {
-          return result;
-        }
-      }
-    }
-    return result;
-  }
-
-  it('ASCII chars', function(): void {
-    const input = 'This is just ASCII text.#';
-    terminal.writeSync(input);
-    const s = terminal.buffer.iterator(true).next().content;
-    assert.equal(input, s);
-    assert.equal(getStringCellWidth(s), sumWidths(terminal.buffer, 0, 1, '#'));
-  });
-  it('combining chars', function(): void {
-    const input = 'e\u0301e\u0301e\u0301e\u0301e\u0301e\u0301e\u0301e\u0301e\u0301#';
-    terminal.writeSync(input);
-    const s = terminal.buffer.iterator(true).next().content;
-    assert.equal(input, s);
-    assert.equal(getStringCellWidth(s), sumWidths(terminal.buffer, 0, 1, '#'));
-  });
-  it('surrogate chars', function(): void {
-    const input = '𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞#';
-    terminal.writeSync(input);
-    const s = terminal.buffer.iterator(true).next().content;
-    assert.equal(input, s);
-    assert.equal(getStringCellWidth(s), sumWidths(terminal.buffer, 0, 1, '#'));
-  });
-  it('surrogate combining chars', function(): void {
-    const input = '𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301#';
-    terminal.writeSync(input);
-    const s = terminal.buffer.iterator(true).next().content;
-    assert.equal(input, s);
-    assert.equal(getStringCellWidth(s), sumWidths(terminal.buffer, 0, 1, '#'));
-  });
-  it('fullwidth chars', function(): void {
-    const input = '１２３４５６７８９０#';
-    terminal.writeSync(input);
-    const s = terminal.buffer.iterator(true).next().content;
-    assert.equal(input, s);
-    assert.equal(getStringCellWidth(s), sumWidths(terminal.buffer, 0, 1, '#'));
-  });
-  it('fullwidth chars offset 1', function(): void {
-    const input = 'a１２３４５６７８９０#';
-    terminal.writeSync(input);
-    const s = terminal.buffer.iterator(true).next().content;
-    assert.equal(input, s);
-    assert.equal(getStringCellWidth(s), sumWidths(terminal.buffer, 0, 1, '#'));
-  });
-  // TODO: multiline tests once #1685 is resolved
-});
-
-it('wcwidth should match all values from the old implementation', function(): void {
-  // old implementation
-  const wcwidthOld = (function(opts: {nul: number, control: number}): (ucs: number) => number {
-    // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c
-    // combining characters
-    const COMBINING_BMP = [
-      [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],
-      [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],
-      [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],
-      [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],
-      [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],
-      [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],
-      [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],
-      [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],
-      [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],
-      [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],
-      [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
-      [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
-      [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],
-      [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],
-      [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
-      [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],
-      [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],
-      [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
-      [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],
-      [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],
-      [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],
-      [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],
-      [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],
-      [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],
-      [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],
-      [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],
-      [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],
-      [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],
-      [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],
-      [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],
-      [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],
-      [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],
-      [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],
-      [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],
-      [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],
-      [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],
-      [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],
-      [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],
-      [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],
-      [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
-      [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
-      [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
-      [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB]
-    ];
-    const COMBINING_HIGH = [
-      [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],
-      [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],
-      [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
-      [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
-      [0xE0100, 0xE01EF]
-    ];
-    // binary search
-    function bisearch(ucs: number, data: number[][]): boolean {
-      let min = 0;
-      let max = data.length - 1;
-      let mid;
-      if (ucs < data[0][0] || ucs > data[max][1]) {
-        return false;
-      }
-      while (max >= min) {
-        mid = (min + max) >> 1;
-        if (ucs > data[mid][1]) {
-          min = mid + 1;
-        } else if (ucs < data[mid][0]) {
-          max = mid - 1;
-        } else {
-          return true;
-        }
-      }
-      return false;
-    }
-    function wcwidthBMP(ucs: number): number {
-      // test for 8-bit control characters
-      if (ucs === 0) {
-        return opts.nul;
-      }
-      if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0)) {
-        return opts.control;
-      }
-      // binary search in table of non-spacing characters
-      if (bisearch(ucs, COMBINING_BMP)) {
-        return 0;
-      }
-      // if we arrive here, ucs is not a combining or C0/C1 control character
-      if (isWideBMP(ucs)) {
-        return 2;
-      }
-      return 1;
-    }
-    function isWideBMP(ucs: number): boolean {
-      return (
-        ucs >= 0x1100 && (
-        ucs <= 0x115f ||                // Hangul Jamo init. consonants
-        ucs === 0x2329 ||
-        ucs === 0x232a ||
-        (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs !== 0x303f) ||  // CJK..Yi
-        (ucs >= 0xac00 && ucs <= 0xd7a3) ||    // Hangul Syllables
-        (ucs >= 0xf900 && ucs <= 0xfaff) ||    // CJK Compat Ideographs
-        (ucs >= 0xfe10 && ucs <= 0xfe19) ||    // Vertical forms
-        (ucs >= 0xfe30 && ucs <= 0xfe6f) ||    // CJK Compat Forms
-        (ucs >= 0xff00 && ucs <= 0xff60) ||    // Fullwidth Forms
-        (ucs >= 0xffe0 && ucs <= 0xffe6)));
-    }
-    function wcwidthHigh(ucs: number): 0 | 1 | 2 {
-      if (bisearch(ucs, COMBINING_HIGH)) {
-        return 0;
-      }
-      if ((ucs >= 0x20000 && ucs <= 0x2fffd) || (ucs >= 0x30000 && ucs <= 0x3fffd)) {
-        return 2;
-      }
-      return 1;
-    }
-    const control = opts.control | 0;
-    let table: number[] | Uint32Array = null;
-    function initTable(): number[] | Uint32Array {
-      // lookup table for BMP
-      const CODEPOINTS = 65536;  // BMP holds 65536 codepoints
-      const BITWIDTH = 2;        // a codepoint can have a width of 0, 1 or 2
-      const ITEMSIZE = 32;       // using uint32_t
-      const CONTAINERSIZE = CODEPOINTS * BITWIDTH / ITEMSIZE;
-      const CODEPOINTS_PER_ITEM = ITEMSIZE / BITWIDTH;
-      table = (typeof Uint32Array === 'undefined')
-        ? new Array(CONTAINERSIZE)
-        : new Uint32Array(CONTAINERSIZE);
-      for (let i = 0; i < CONTAINERSIZE; ++i) {
-        let num = 0;
-        let pos = CODEPOINTS_PER_ITEM;
-        while (pos--) {
-          num = (num << 2) | wcwidthBMP(CODEPOINTS_PER_ITEM * i + pos);
-        }
-        table[i] = num;
-      }
-      return table;
-    }
-    // get width from lookup table
-    //   position in container   : num / CODEPOINTS_PER_ITEM
-    //     ==> n = table[Math.floor(num / 16)]
-    //     ==> n = table[num >> 4]
-    //   16 codepoints per number:       FFEEDDCCBBAA99887766554433221100
-    //   position in number      : (num % CODEPOINTS_PER_ITEM) * BITWIDTH
-    //     ==> m = (n % 16) * 2
-    //     ==> m = (num & 15) << 1
-    //   right shift to position m
-    //     ==> n = n >> m     e.g. m=12  000000000000FFEEDDCCBBAA99887766
-    //   we are only interested in 2 LSBs, cut off higher bits
-    //     ==> n = n & 3      e.g.       000000000000000000000000000000XX
-    return function (num: number): number {
-      num = num | 0;  // get asm.js like optimization under V8
-      if (num < 32) {
-        return control | 0;
-      }
-      if (num < 127) {
-        return 1;
-      }
-      const t = table || initTable();
-      if (num < 65536) {
-        return t[num >> 4] >> ((num & 15) << 1) & 3;
-      }
-      // do a full search for high codepoints
-      return wcwidthHigh(num);
-    };
-  })({nul: 0, control: 0}); // configurable options
-
-  // test full BMP range old vs new implmenetation
-  for (let i = 0; i < 65536; ++i) {
-    assert.equal(wcwidth(i), wcwidthOld(i), `mismatch for i: ${i}`);
-  }
-});
@@ -3,169 +3,169 @@
 * @license MIT
 */

-import { fill } from './common/TypedArrayUtils';
-
 export const wcwidth = (function(opts: {nul: number, control: number}): (ucs: number) => number {
-  // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c
-  // combining characters
-  const COMBINING_BMP = [
-    [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],
-    [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],
-    [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],
-    [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],
-    [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],
-    [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],
-    [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],
-    [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],
-    [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],
-    [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],
-    [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
-    [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
-    [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],
-    [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],
-    [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
-    [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],
-    [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],
-    [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
-    [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],
-    [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],
-    [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],
-    [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],
-    [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],
-    [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],
-    [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],
-    [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],
-    [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],
-    [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],
-    [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],
-    [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],
-    [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],
-    [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],
-    [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],
-    [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],
-    [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],
-    [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],
-    [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],
-    [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],
-    [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],
-    [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
-    [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
-    [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
-    [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB]
-  ];
-  const COMBINING_HIGH = [
-    [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],
-    [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],
-    [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
-    [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
-    [0xE0100, 0xE01EF]
-  ];
-  // binary search
-  function bisearch(ucs: number, data: number[][]): boolean {
-    let min = 0;
-    let max = data.length - 1;
-    let mid;
-    if (ucs < data[0][0] || ucs > data[max][1]) {
+    // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c
+    // combining characters
+    const COMBINING_BMP = [
+      [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],
+      [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],
+      [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],
+      [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],
+      [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],
+      [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],
+      [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],
+      [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],
+      [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],
+      [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],
+      [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
+      [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
+      [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],
+      [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],
+      [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
+      [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],
+      [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],
+      [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
+      [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],
+      [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],
+      [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],
+      [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],
+      [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],
+      [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],
+      [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],
+      [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],
+      [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],
+      [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],
+      [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],
+      [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],
+      [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],
+      [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],
+      [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],
+      [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],
+      [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],
+      [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],
+      [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],
+      [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],
+      [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],
+      [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
+      [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
+      [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
+      [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB]
+    ];
+    const COMBINING_HIGH = [
+      [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],
+      [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],
+      [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
+      [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
+      [0xE0100, 0xE01EF]
+    ];
+    // binary search
+    function bisearch(ucs: number, data: number[][]): boolean {
+      let min = 0;
+      let max = data.length - 1;
+      let mid;
+      if (ucs < data[0][0] || ucs > data[max][1]) {
+        return false;
+      }
+      while (max >= min) {
+        mid = (min + max) >> 1;
+        if (ucs > data[mid][1]) {
+          min = mid + 1;
+        } else if (ucs < data[mid][0]) {
+          max = mid - 1;
+        } else {
+          return true;
+        }
+      }
      return false;
    }
-    while (max >= min) {
-      mid = (min + max) >> 1;
-      if (ucs > data[mid][1]) {
-        min = mid + 1;
-      } else if (ucs < data[mid][0]) {
-        max = mid - 1;
-      } else {
-        return true;
+    function wcwidthBMP(ucs: number): number {
+      // test for 8-bit control characters
+      if (ucs === 0) {
+        return opts.nul;
+      }
+      if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0)) {
+        return opts.control;
+      }
+      // binary search in table of non-spacing characters
+      if (bisearch(ucs, COMBINING_BMP)) {
+        return 0;
+      }
+      // if we arrive here, ucs is not a combining or C0/C1 control character
+      if (isWideBMP(ucs)) {
+        return 2;
      }
-    }
-    return false;
-  }
-  function wcwidthHigh(ucs: number): 0 | 1 | 2 {
-    if (bisearch(ucs, COMBINING_HIGH)) {
-      return 0;
-    }
-    if ((ucs >= 0x20000 && ucs <= 0x2fffd) || (ucs >= 0x30000 && ucs <= 0x3fffd)) {
-      return 2;
-    }
-    return 1;
-  }
-  const control = opts.control | 0;
-
-  // create lookup table for BMP plane
-  const table = new Uint8Array(65536);
-  fill(table, 1);
-  table[0] = opts.nul;
-  // control chars
-  fill(table, opts.control, 1, 32);
-  fill(table, opts.control, 0x7f, 0xa0);
-
-  // apply wide char rules first
-  // wide chars
-  fill(table, 2, 0x1100, 0x1160);
-  table[0x2329] = 2;
-  table[0x232a] = 2;
-  fill(table, 2, 0x2e80, 0xa4d0);
-  table[0x303f] = 1;  // wrongly in last line
-
-  fill(table, 2, 0xac00, 0xd7a4);
-  fill(table, 2, 0xf900, 0xfb00);
-  fill(table, 2, 0xfe10, 0xfe1a);
-  fill(table, 2, 0xfe30, 0xfe70);
-  fill(table, 2, 0xff00, 0xff61);
-  fill(table, 2, 0xffe0, 0xffe7);
-
-  // apply combining last to ensure we overwrite
-  // wrongly wide set chars:
-  //    the original algo evals combining first and falls
-  //    through to wide check so we simply do here the opposite
-  // combining 0
-  for (let r = 0; r < COMBINING_BMP.length; ++r) {
-    fill(table, 0, COMBINING_BMP[r][0], COMBINING_BMP[r][1] + 1);
-  }
-
-  return function (num: number): number {
-    if (num < 32) {
-      return control | 0;
-    }
-    if (num < 127) {
      return 1;
    }
-    if (num < 65536) {
-      return table[num];
+    function isWideBMP(ucs: number): boolean {
+      return (
+        ucs >= 0x1100 && (
+        ucs <= 0x115f ||                // Hangul Jamo init. consonants
+        ucs === 0x2329 ||
+        ucs === 0x232a ||
+        (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs !== 0x303f) ||  // CJK..Yi
+        (ucs >= 0xac00 && ucs <= 0xd7a3) ||    // Hangul Syllables
+        (ucs >= 0xf900 && ucs <= 0xfaff) ||    // CJK Compat Ideographs
+        (ucs >= 0xfe10 && ucs <= 0xfe19) ||    // Vertical forms
+        (ucs >= 0xfe30 && ucs <= 0xfe6f) ||    // CJK Compat Forms
+        (ucs >= 0xff00 && ucs <= 0xff60) ||    // Fullwidth Forms
+        (ucs >= 0xffe0 && ucs <= 0xffe6)));
    }
-    // do a full search for high codepoints
-    return wcwidthHigh(num);
-  };
+    function wcwidthHigh(ucs: number): 0 | 1 | 2 {
+      if (bisearch(ucs, COMBINING_HIGH)) {
+        return 0;
+      }
+      if ((ucs >= 0x20000 && ucs <= 0x2fffd) || (ucs >= 0x30000 && ucs <= 0x3fffd)) {
+        return 2;
+      }
+      return 1;
+    }
+    const control = opts.control | 0;
+    let table: number[] | Uint32Array = null;
+    function init_table(): number[] | Uint32Array {
+      // lookup table for BMP
+      const CODEPOINTS = 65536;  // BMP holds 65536 codepoints
+      const BITWIDTH = 2;        // a codepoint can have a width of 0, 1 or 2
+      const ITEMSIZE = 32;       // using uint32_t
+      const CONTAINERSIZE = CODEPOINTS * BITWIDTH / ITEMSIZE;
+      const CODEPOINTS_PER_ITEM = ITEMSIZE / BITWIDTH;
+      table = (typeof Uint32Array === 'undefined')
+        ? new Array(CONTAINERSIZE)
+        : new Uint32Array(CONTAINERSIZE);
+      for (let i = 0; i < CONTAINERSIZE; ++i) {
+        let num = 0;
+        let pos = CODEPOINTS_PER_ITEM;
+        while (pos--) {
+          num = (num << 2) | wcwidthBMP(CODEPOINTS_PER_ITEM * i + pos);
+        }
+        table[i] = num;
+      }
+      return table;
+    }
+    // get width from lookup table
+    //   position in container   : num / CODEPOINTS_PER_ITEM
+    //     ==> n = table[Math.floor(num / 16)]
+    //     ==> n = table[num >> 4]
+    //   16 codepoints per number:       FFEEDDCCBBAA99887766554433221100
+    //   position in number      : (num % CODEPOINTS_PER_ITEM) * BITWIDTH
+    //     ==> m = (n % 16) * 2
+    //     ==> m = (num & 15) << 1
+    //   right shift to position m
+    //     ==> n = n >> m     e.g. m=12  000000000000FFEEDDCCBBAA99887766
+    //   we are only interested in 2 LSBs, cut off higher bits
+    //     ==> n = n & 3      e.g.       000000000000000000000000000000XX
+    return function (num: number): number {
+      num = num | 0;  // get asm.js like optimization under V8
+      if (num < 32) {
+        return control | 0;
+      }
+      if (num < 127) {
+        return 1;
+      }
+      let t = table || init_table();
+      if (num < 65536) {
+        return t[num >> 4] >> ((num & 15) << 1) & 3;
+      }
+      // do a full search for high codepoints
+      return wcwidthHigh(num);
+    };
 })({nul: 0, control: 0});  // configurable options
-
-/**
- * Get the terminal cell width for a string.
- */
-export function getStringCellWidth(s: string): number {
-  let result = 0;
-  const length = s.length;
-  for (let i = 0; i < length; ++i) {
-    let code = s.charCodeAt(i);
-    // surrogate pair first
-    if (0xD800 <= code && code <= 0xDBFF) {
-      if (++i >= length) {
-        // this should not happen with strings retrieved from
-        // Buffer.translateToString as it converts from UTF-32
-        // and therefore always should contain the second part
-        // for any other string we still have to handle it somehow:
-        // simply treat the lonely surrogate first as a single char (UCS-2 behavior)
-        return result + wcwidth(code);
-      }
-      const second = s.charCodeAt(i);
-      // convert surrogate pair to high codepoint only for valid second part (UTF-16)
-      // otherwise treat them independently (UCS-2 behavior)
-      if (0xDC00 <= second && second <= 0xDFFF) {
-        code = (code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;
-      } else {
-        result += wcwidth(second);
-      }
-    }
-    result += wcwidth(code);
-  }
-  return result;
-}
@@ -3,19 +3,19 @@
 * @license MIT
 */

-import { ICharset } from '../Types';
+import { ICharset } from './Types';

 /**
 * The character sets supported by the terminal. These enable several languages
 * to be represented within the terminal with only 8-bit encoding. See ISO 2022
 * for a discussion on character sets. Only VT100 character sets are supported.
 */
-export const CHARSETS: { [key: string]: ICharset | null } = {};
+export const CHARSETS: { [key: string]: ICharset } = {};

 /**
 * The default character set, US.
 */
-export const DEFAULT_CHARSET: ICharset | null = CHARSETS['B'];
+export const DEFAULT_CHARSET: ICharset = CHARSETS['B'];

 /**
 * DEC Special Character and Line Drawing Set.
@@ -5,14 +5,13 @@

 import { assert } from 'chai';
 import { CompositionHelper } from './CompositionHelper';
-import { ITerminal } from './Types';

 describe('CompositionHelper', () => {
-  let terminal: ITerminal;
-  let compositionHelper: CompositionHelper;
-  let compositionView: HTMLElement;
-  let textarea: HTMLTextAreaElement;
-  let handledText: string;
+  let terminal;
+  let compositionHelper;
+  let compositionView;
+  let textarea;
+  let handledText;

  beforeEach(() => {
    compositionView = {
@@ -28,14 +27,14 @@ describe('CompositionHelper', () => {
        top: 0
      },
      textContent: ''
-    } as any;
+    };
    textarea = {
      value: '',
      style: {
        left: 0,
        top: 0
      }
-    } as any;
+    };
    terminal = {
      element: {
        querySelector: () => {
@@ -55,7 +54,7 @@ describe('CompositionHelper', () => {
      options: {
        lineHeight: 1
      }
-    } as any;
+    };
    handledText = '';
    compositionHelper = new CompositionHelper(textarea, compositionView, terminal);
  });
@@ -64,7 +63,7 @@ describe('CompositionHelper', () => {
    it('Should insert simple characters', (done) => {
      // First character 'ㅇ'
      compositionHelper.compositionstart();
-      compositionHelper.compositionupdate(<CompositionEvent><CompositionEvent>{ data: 'ㅇ' });
+      compositionHelper.compositionupdate({ data: 'ㅇ' });
      textarea.value = 'ㅇ';
      setTimeout(() => { // wait for any textarea updates
        compositionHelper.compositionend();
@@ -72,7 +71,7 @@ describe('CompositionHelper', () => {
          assert.equal(handledText, 'ㅇ');
          // Second character 'ㅇ'
          compositionHelper.compositionstart();
-          compositionHelper.compositionupdate(<CompositionEvent><CompositionEvent>{ data: 'ㅇ' });
+          compositionHelper.compositionupdate({ data: 'ㅇ' });
          textarea.value = 'ㅇㅇ';
          setTimeout(() => { // wait for any textarea updates
            compositionHelper.compositionend();
@@ -88,13 +87,13 @@ describe('CompositionHelper', () => {
    it('Should insert complex characters', (done) => {
      // First character '앙'
      compositionHelper.compositionstart();
-      compositionHelper.compositionupdate(<CompositionEvent>{ data: 'ㅇ' });
+      compositionHelper.compositionupdate({ data: 'ㅇ' });
      textarea.value = 'ㅇ';
      setTimeout(() => { // wait for any textarea updates
-        compositionHelper.compositionupdate(<CompositionEvent>{ data: '아' });
+        compositionHelper.compositionupdate({ data: '아' });
        textarea.value = '아';
        setTimeout(() => { // wait for any textarea updates
-          compositionHelper.compositionupdate(<CompositionEvent>{ data: '앙' });
+          compositionHelper.compositionupdate({ data: '앙' });
          textarea.value = '앙';
          setTimeout(() => { // wait for any textarea updates
            compositionHelper.compositionend();
@@ -102,13 +101,13 @@ describe('CompositionHelper', () => {
              assert.equal(handledText, '앙');
              // Second character '앙'
              compositionHelper.compositionstart();
-              compositionHelper.compositionupdate(<CompositionEvent>{ data: 'ㅇ' });
+              compositionHelper.compositionupdate({ data: 'ㅇ' });
              textarea.value = '앙ㅇ';
              setTimeout(() => { // wait for any textarea updates
-                compositionHelper.compositionupdate(<CompositionEvent>{ data: '아' });
+                compositionHelper.compositionupdate({ data: '아' });
                textarea.value = '앙아';
                setTimeout(() => { // wait for any textarea updates
-                  compositionHelper.compositionupdate(<CompositionEvent>{ data: '앙' });
+                  compositionHelper.compositionupdate({ data: '앙' });
                  textarea.value = '앙앙';
                  setTimeout(() => { // wait for any textarea updates
                    compositionHelper.compositionend();
@@ -128,19 +127,19 @@ describe('CompositionHelper', () => {
    it('Should insert complex characters that change with following character', (done) => {
      // First character '아'
      compositionHelper.compositionstart();
-      compositionHelper.compositionupdate(<CompositionEvent>{ data: 'ㅇ' });
+      compositionHelper.compositionupdate({ data: 'ㅇ' });
      textarea.value = 'ㅇ';
      setTimeout(() => { // wait for any textarea updates
-        compositionHelper.compositionupdate(<CompositionEvent>{ data: '아' });
+        compositionHelper.compositionupdate({ data: '아' });
        textarea.value = '아';
        setTimeout(() => { // wait for any textarea updates
          // Start second character '아' in first character
-          compositionHelper.compositionupdate(<CompositionEvent>{ data: '앙' });
+          compositionHelper.compositionupdate({ data: '앙' });
          textarea.value = '앙';
          setTimeout(() => { // wait for any textarea updates
            compositionHelper.compositionend();
            compositionHelper.compositionstart();
-            compositionHelper.compositionupdate(<CompositionEvent>{ data: '아' });
+            compositionHelper.compositionupdate({ data: '아' });
            textarea.value = '아아';
            setTimeout(() => { // wait for any textarea updates
              compositionHelper.compositionend();
@@ -157,14 +156,14 @@ describe('CompositionHelper', () => {
    it('Should insert multi-characters compositions', (done) => {
      // First character 'だ'
      compositionHelper.compositionstart();
-      compositionHelper.compositionupdate(<CompositionEvent>{ data: 'd' });
+      compositionHelper.compositionupdate({ data: 'd' });
      textarea.value = 'd';
      setTimeout(() => { // wait for any textarea updates
-        compositionHelper.compositionupdate(<CompositionEvent>{ data: 'だ' });
+        compositionHelper.compositionupdate({ data: 'だ' });
        textarea.value = 'だ';
        setTimeout(() => { // wait for any textarea updates
          // Second character 'あ'
-          compositionHelper.compositionupdate(<CompositionEvent>{ data: 'だあ' });
+          compositionHelper.compositionupdate({ data: 'だあ' });
          textarea.value = 'だあ';
          setTimeout(() => { // wait for any textarea updates
            compositionHelper.compositionend();
@@ -180,18 +179,18 @@ describe('CompositionHelper', () => {
    it('Should insert multi-character compositions that are converted to other characters with the same length', (done) => {
      // First character 'だ'
      compositionHelper.compositionstart();
-      compositionHelper.compositionupdate(<CompositionEvent>{ data: 'd' });
+      compositionHelper.compositionupdate({ data: 'd' });
      textarea.value = 'd';
      setTimeout(() => { // wait for any textarea updates
-        compositionHelper.compositionupdate(<CompositionEvent>{ data: 'だ' });
+        compositionHelper.compositionupdate({ data: 'だ' });
        textarea.value = 'だ';
        setTimeout(() => { // wait for any textarea updates
          // Second character 'ー'
-          compositionHelper.compositionupdate(<CompositionEvent>{ data: 'だー' });
+          compositionHelper.compositionupdate({ data: 'だー' });
          textarea.value = 'だー';
          setTimeout(() => { // wait for any textarea updates
            // Convert to katakana 'ダー'
-            compositionHelper.compositionupdate(<CompositionEvent>{ data: 'ダー' });
+            compositionHelper.compositionupdate({ data: 'ダー' });
            textarea.value = 'ダー';
            setTimeout(() => { // wait for any textarea updates
              compositionHelper.compositionend();
@@ -208,18 +207,18 @@ describe('CompositionHelper', () => {
    it('Should insert multi-character compositions that are converted to other characters with different lengths', (done) => {
      // First character 'い'
      compositionHelper.compositionstart();
-      compositionHelper.compositionupdate(<CompositionEvent>{ data: 'い' });
+      compositionHelper.compositionupdate({ data: 'い' });
      textarea.value = 'い';
      setTimeout(() => { // wait for any textarea updates
        // Second character 'ま'
-        compositionHelper.compositionupdate(<CompositionEvent>{ data: 'いm' });
+        compositionHelper.compositionupdate({ data: 'いm' });
        textarea.value = 'いm';
        setTimeout(() => { // wait for any textarea updates
-          compositionHelper.compositionupdate(<CompositionEvent>{ data: 'いま' });
+          compositionHelper.compositionupdate({ data: 'いま' });
          textarea.value = 'いま';
          setTimeout(() => { // wait for any textarea updates
            // Convert to kanji '今'
-            compositionHelper.compositionupdate(<CompositionEvent>{ data: '今' });
+            compositionHelper.compositionupdate({ data: '今' });
            textarea.value = '今';
            setTimeout(() => { // wait for any textarea updates
              compositionHelper.compositionend();
@@ -236,7 +235,7 @@ describe('CompositionHelper', () => {
    it('Should insert non-composition characters input immediately after composition characters', (done) => {
      // First character 'ㅇ'
      compositionHelper.compositionstart();
-      compositionHelper.compositionupdate(<CompositionEvent>{ data: 'ㅇ' });
+      compositionHelper.compositionupdate({ data: 'ㅇ' });
      textarea.value = 'ㅇ';
      setTimeout(() => { // wait for any textarea updates
        compositionHelper.compositionend();
@@ -61,7 +61,7 @@ export class CompositionHelper {

  /**
   * Handles the compositionupdate event, updating the composition view.
-   * @param ev The event.
+   * @param {CompositionEvent} ev The event.
   */
  public compositionupdate(ev: CompositionEvent): void {
    this._compositionView.textContent = ev.data;
@@ -111,17 +111,17 @@ export class CompositionHelper {
  /**
   * Finalizes the composition, resuming regular input actions. This is called when a composition
   * is ending.
-   * @param waitForPropagation Whether to wait for events to propagate before sending
+   * @param waitForPropogation Whether to wait for events to propogate before sending
   *   the input. This should be false if a non-composition keystroke is entered before the
-   *   compositionend event is triggered, such as enter, so that the composition is sent before
+   *   compositionend event is triggered, such as enter, so that the composition is send before
   *   the command is executed.
   */
-  private _finalizeComposition(waitForPropagation: boolean): void {
+  private _finalizeComposition(waitForPropogation: boolean): void {
    this._compositionView.classList.remove('active');
    this._isComposing = false;
    this._clearTextareaPosition();

-    if (!waitForPropagation) {
+    if (!waitForPropogation) {
      // Cancel any delayed composition send requests and send the input immediately.
      this._isSendingComposition = false;
      const input = this._textarea.value.substring(this._compositionPosition.start, this._compositionPosition.end);
@@ -136,8 +136,8 @@ export class CompositionHelper {

      // Since composition* events happen before the changes take place in the textarea on most
      // browsers, use a setTimeout with 0ms time to allow the native compositionend event to
-      // complete. This ensures the correct character is retrieved.
-      // This solution was used because:
+      // complete. This ensures the correct character is retrieved, this solution was used
+      // because:
      // - The compositionend event's data property is unreliable, at least on Chromium
      // - The last compositionupdate event's data property does not always accurately describe
      //   the character, a counter example being Korean where an ending consonsant can move to
@@ -1,630 +0,0 @@
-/**
- * Copyright (c) 2018 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-
-import { ParserState, ParserAction, IParsingState, IDcsHandler, IEscapeSequenceParser } from './Types';
-import { IDisposable } from 'xterm';
-import { Disposable } from './common/Lifecycle';
-import { utf32ToString } from './core/input/TextDecoder';
-
-interface IHandlerCollection<T> {
-  [key: string]: T[];
-}
-
-type CsiHandler = (params: number[], collect: string) => boolean | void;
-type OscHandler = (data: string) => boolean | void;
-
-/**
- * Returns an array filled with numbers between the low and high parameters (right exclusive).
- * @param low The low number.
- * @param high The high number.
- */
-function r(low: number, high: number): number[] {
-  let c = high - low;
-  const arr = new Array(c);
-  while (c--) {
-    arr[c] = --high;
-  }
-  return arr;
-}
-
-/**
- * Transition table for EscapeSequenceParser.
- * NOTE: data in the underlying table is packed like this:
- *   currentState << 8 | characterCode  -->  action << 4 | nextState
- */
-export class TransitionTable {
-  public table: Uint8Array | number[];
-
-  constructor(length: number) {
-    this.table = (typeof Uint8Array === 'undefined')
-      ? new Array(length)
-      : new Uint8Array(length);
-  }
-
-  /**
-   * Add a transition to the transition table.
-   * @param code input character code
-   * @param state current parser state
-   * @param action parser action to be done
-   * @param next next parser state
-   */
-  add(code: number, state: number, action: number | null, next: number | null): void {
-    this.table[state << 8 | code] = ((action | 0) << 4) | ((next === undefined) ? state : next);
-  }
-
-  /**
-   * Add transitions for multiple input character codes.
-   * @param codes input character code array
-   * @param state current parser state
-   * @param action parser action to be done
-   * @param next next parser state
-   */
-  addMany(codes: number[], state: number, action: number | null, next: number | null): void {
-    for (let i = 0; i < codes.length; i++) {
-      this.add(codes[i], state, action, next);
-    }
-  }
-}
-
-
-/**
- * Default definitions for the VT500_TRANSITION_TABLE.
- */
-const PRINTABLES = r(0x20, 0x7f);
-const EXECUTABLES = r(0x00, 0x18);
-EXECUTABLES.push(0x19);
-EXECUTABLES.push.apply(EXECUTABLES, r(0x1c, 0x20));
-// Pseudo-character placeholder for printable non-ascii characters.
-const NON_ASCII_PRINTABLE = 0xA0;
-
-/**
- * VT500 compatible transition table.
- * Taken from https://vt100.net/emu/dec_ansi_parser.
- */
-export const VT500_TRANSITION_TABLE = (function (): TransitionTable {
-  const table: TransitionTable = new TransitionTable(4095);
-
-  const states: number[] = r(ParserState.GROUND, ParserState.DCS_PASSTHROUGH + 1);
-  let state: any;
-
-  // table with default transition
-  for (state in states) {
-    // NOTE: table lookup is capped at 0xa0 in parse to keep the table small
-    for (let code = 0; code <= NON_ASCII_PRINTABLE; ++code) {
-      table.add(code, state, ParserAction.ERROR, ParserState.GROUND);
-    }
-  }
-  // printables
-  table.addMany(PRINTABLES, ParserState.GROUND, ParserAction.PRINT, ParserState.GROUND);
-  // global anywhere rules
-  for (state in states) {
-    table.addMany([0x18, 0x1a, 0x99, 0x9a], state, ParserAction.EXECUTE, ParserState.GROUND);
-    table.addMany(r(0x80, 0x90), state, ParserAction.EXECUTE, ParserState.GROUND);
-    table.addMany(r(0x90, 0x98), state, ParserAction.EXECUTE, ParserState.GROUND);
-    table.add(0x9c, state, ParserAction.IGNORE, ParserState.GROUND); // ST as terminator
-    table.add(0x1b, state, ParserAction.CLEAR, ParserState.ESCAPE);  // ESC
-    table.add(0x9d, state, ParserAction.OSC_START, ParserState.OSC_STRING);  // OSC
-    table.addMany([0x98, 0x9e, 0x9f], state, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);
-    table.add(0x9b, state, ParserAction.CLEAR, ParserState.CSI_ENTRY);  // CSI
-    table.add(0x90, state, ParserAction.CLEAR, ParserState.DCS_ENTRY);  // DCS
-  }
-  // rules for executables and 7f
-  table.addMany(EXECUTABLES, ParserState.GROUND, ParserAction.EXECUTE, ParserState.GROUND);
-  table.addMany(EXECUTABLES, ParserState.ESCAPE, ParserAction.EXECUTE, ParserState.ESCAPE);
-  table.add(0x7f, ParserState.ESCAPE, ParserAction.IGNORE, ParserState.ESCAPE);
-  table.addMany(EXECUTABLES, ParserState.OSC_STRING, ParserAction.IGNORE, ParserState.OSC_STRING);
-  table.addMany(EXECUTABLES, ParserState.CSI_ENTRY, ParserAction.EXECUTE, ParserState.CSI_ENTRY);
-  table.add(0x7f, ParserState.CSI_ENTRY, ParserAction.IGNORE, ParserState.CSI_ENTRY);
-  table.addMany(EXECUTABLES, ParserState.CSI_PARAM, ParserAction.EXECUTE, ParserState.CSI_PARAM);
-  table.add(0x7f, ParserState.CSI_PARAM, ParserAction.IGNORE, ParserState.CSI_PARAM);
-  table.addMany(EXECUTABLES, ParserState.CSI_IGNORE, ParserAction.EXECUTE, ParserState.CSI_IGNORE);
-  table.addMany(EXECUTABLES, ParserState.CSI_INTERMEDIATE, ParserAction.EXECUTE, ParserState.CSI_INTERMEDIATE);
-  table.add(0x7f, ParserState.CSI_INTERMEDIATE, ParserAction.IGNORE, ParserState.CSI_INTERMEDIATE);
-  table.addMany(EXECUTABLES, ParserState.ESCAPE_INTERMEDIATE, ParserAction.EXECUTE, ParserState.ESCAPE_INTERMEDIATE);
-  table.add(0x7f, ParserState.ESCAPE_INTERMEDIATE, ParserAction.IGNORE, ParserState.ESCAPE_INTERMEDIATE);
-  // osc
-  table.add(0x5d, ParserState.ESCAPE, ParserAction.OSC_START, ParserState.OSC_STRING);
-  table.addMany(PRINTABLES, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);
-  table.add(0x7f, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);
-  table.addMany([0x9c, 0x1b, 0x18, 0x1a, 0x07], ParserState.OSC_STRING, ParserAction.OSC_END, ParserState.GROUND);
-  table.addMany(r(0x1c, 0x20), ParserState.OSC_STRING, ParserAction.IGNORE, ParserState.OSC_STRING);
-  // sos/pm/apc does nothing
-  table.addMany([0x58, 0x5e, 0x5f], ParserState.ESCAPE, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);
-  table.addMany(PRINTABLES, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);
-  table.addMany(EXECUTABLES, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);
-  table.add(0x9c, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.GROUND);
-  table.add(0x7f, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);
-  // csi entries
-  table.add(0x5b, ParserState.ESCAPE, ParserAction.CLEAR, ParserState.CSI_ENTRY);
-  table.addMany(r(0x40, 0x7f), ParserState.CSI_ENTRY, ParserAction.CSI_DISPATCH, ParserState.GROUND);
-  table.addMany(r(0x30, 0x3a), ParserState.CSI_ENTRY, ParserAction.PARAM, ParserState.CSI_PARAM);
-  table.add(0x3b, ParserState.CSI_ENTRY, ParserAction.PARAM, ParserState.CSI_PARAM);
-  table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.CSI_ENTRY, ParserAction.COLLECT, ParserState.CSI_PARAM);
-  table.addMany(r(0x30, 0x3a), ParserState.CSI_PARAM, ParserAction.PARAM, ParserState.CSI_PARAM);
-  table.add(0x3b, ParserState.CSI_PARAM, ParserAction.PARAM, ParserState.CSI_PARAM);
-  table.addMany(r(0x40, 0x7f), ParserState.CSI_PARAM, ParserAction.CSI_DISPATCH, ParserState.GROUND);
-  table.addMany([0x3a, 0x3c, 0x3d, 0x3e, 0x3f], ParserState.CSI_PARAM, ParserAction.IGNORE, ParserState.CSI_IGNORE);
-  table.addMany(r(0x20, 0x40), ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.CSI_IGNORE);
-  table.add(0x7f, ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.CSI_IGNORE);
-  table.addMany(r(0x40, 0x7f), ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.GROUND);
-  table.add(0x3a, ParserState.CSI_ENTRY, ParserAction.IGNORE, ParserState.CSI_IGNORE);
-  table.addMany(r(0x20, 0x30), ParserState.CSI_ENTRY, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);
-  table.addMany(r(0x20, 0x30), ParserState.CSI_INTERMEDIATE, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);
-  table.addMany(r(0x30, 0x40), ParserState.CSI_INTERMEDIATE, ParserAction.IGNORE, ParserState.CSI_IGNORE);
-  table.addMany(r(0x40, 0x7f), ParserState.CSI_INTERMEDIATE, ParserAction.CSI_DISPATCH, ParserState.GROUND);
-  table.addMany(r(0x20, 0x30), ParserState.CSI_PARAM, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);
-  // esc_intermediate
-  table.addMany(r(0x20, 0x30), ParserState.ESCAPE, ParserAction.COLLECT, ParserState.ESCAPE_INTERMEDIATE);
-  table.addMany(r(0x20, 0x30), ParserState.ESCAPE_INTERMEDIATE, ParserAction.COLLECT, ParserState.ESCAPE_INTERMEDIATE);
-  table.addMany(r(0x30, 0x7f), ParserState.ESCAPE_INTERMEDIATE, ParserAction.ESC_DISPATCH, ParserState.GROUND);
-  table.addMany(r(0x30, 0x50), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);
-  table.addMany(r(0x51, 0x58), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);
-  table.addMany([0x59, 0x5a, 0x5c], ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);
-  table.addMany(r(0x60, 0x7f), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);
-  // dcs entry
-  table.add(0x50, ParserState.ESCAPE, ParserAction.CLEAR, ParserState.DCS_ENTRY);
-  table.addMany(EXECUTABLES, ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);
-  table.add(0x7f, ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);
-  table.addMany(r(0x1c, 0x20), ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);
-  table.addMany(r(0x20, 0x30), ParserState.DCS_ENTRY, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);
-  table.add(0x3a, ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_IGNORE);
-  table.addMany(r(0x30, 0x3a), ParserState.DCS_ENTRY, ParserAction.PARAM, ParserState.DCS_PARAM);
-  table.add(0x3b, ParserState.DCS_ENTRY, ParserAction.PARAM, ParserState.DCS_PARAM);
-  table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.DCS_ENTRY, ParserAction.COLLECT, ParserState.DCS_PARAM);
-  table.addMany(EXECUTABLES, ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);
-  table.addMany(r(0x20, 0x80), ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);
-  table.addMany(r(0x1c, 0x20), ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);
-  table.addMany(EXECUTABLES, ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);
-  table.add(0x7f, ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);
-  table.addMany(r(0x1c, 0x20), ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);
-  table.addMany(r(0x30, 0x3a), ParserState.DCS_PARAM, ParserAction.PARAM, ParserState.DCS_PARAM);
-  table.add(0x3b, ParserState.DCS_PARAM, ParserAction.PARAM, ParserState.DCS_PARAM);
-  table.addMany([0x3a, 0x3c, 0x3d, 0x3e, 0x3f], ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_IGNORE);
-  table.addMany(r(0x20, 0x30), ParserState.DCS_PARAM, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);
-  table.addMany(EXECUTABLES, ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);
-  table.add(0x7f, ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);
-  table.addMany(r(0x1c, 0x20), ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);
-  table.addMany(r(0x20, 0x30), ParserState.DCS_INTERMEDIATE, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);
-  table.addMany(r(0x30, 0x40), ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_IGNORE);
-  table.addMany(r(0x40, 0x7f), ParserState.DCS_INTERMEDIATE, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);
-  table.addMany(r(0x40, 0x7f), ParserState.DCS_PARAM, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);
-  table.addMany(r(0x40, 0x7f), ParserState.DCS_ENTRY, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);
-  table.addMany(EXECUTABLES, ParserState.DCS_PASSTHROUGH, ParserAction.DCS_PUT, ParserState.DCS_PASSTHROUGH);
-  table.addMany(PRINTABLES, ParserState.DCS_PASSTHROUGH, ParserAction.DCS_PUT, ParserState.DCS_PASSTHROUGH);
-  table.add(0x7f, ParserState.DCS_PASSTHROUGH, ParserAction.IGNORE, ParserState.DCS_PASSTHROUGH);
-  table.addMany([0x1b, 0x9c], ParserState.DCS_PASSTHROUGH, ParserAction.DCS_UNHOOK, ParserState.GROUND);
-  table.add(NON_ASCII_PRINTABLE, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);
-  return table;
-})();
-
-/**
- * Dummy DCS handler as default fallback.
- */
-class DcsDummy implements IDcsHandler {
-  hook(collect: string, params: number[], flag: number): void { }
-  put(data: Uint32Array, start: number, end: number): void { }
-  unhook(): void { }
-}
-
-/**
- * EscapeSequenceParser.
- * This class implements the ANSI/DEC compatible parser described by
- * Paul Williams (https://vt100.net/emu/dec_ansi_parser).
- * To implement custom ANSI compliant escape sequences it is not needed to
- * alter this parser, instead consider registering a custom handler.
- * For non ANSI compliant sequences change the transition table with
- * the optional `transitions` contructor argument and
- * reimplement the `parse` method.
- * NOTE: The parameter element notation is currently not supported.
- * TODO: implement error recovery hook via error handler return values
- */
-export class EscapeSequenceParser extends Disposable implements IEscapeSequenceParser {
-  public initialState: number;
-  public currentState: number;
-
-  // buffers over several parse calls
-  protected _osc: string;
-  protected _params: number[];
-  protected _collect: string;
-
-  // handler lookup containers
-  protected _printHandler: (data: Uint32Array, start: number, end: number) => void;
-  protected _executeHandlers: any;
-  protected _csiHandlers: IHandlerCollection<CsiHandler>;
-  protected _escHandlers: any;
-  protected _oscHandlers: IHandlerCollection<OscHandler>;
-  protected _dcsHandlers: any;
-  protected _activeDcsHandler: IDcsHandler | null;
-  protected _errorHandler: (state: IParsingState) => IParsingState;
-
-  // fallback handlers
-  protected _printHandlerFb: (data: Uint32Array, start: number, end: number) => void;
-  protected _executeHandlerFb: (code: number) => void;
-  protected _csiHandlerFb: (collect: string, params: number[], flag: number) => void;
-  protected _escHandlerFb: (collect: string, flag: number) => void;
-  protected _oscHandlerFb: (identifier: number, data: string) => void;
-  protected _dcsHandlerFb: IDcsHandler;
-  protected _errorHandlerFb: (state: IParsingState) => IParsingState;
-
-  constructor(readonly TRANSITIONS: TransitionTable = VT500_TRANSITION_TABLE) {
-    super();
-
-    this.initialState = ParserState.GROUND;
-    this.currentState = this.initialState;
-    this._osc = '';
-    this._params = [0];
-    this._collect = '';
-
-    // set default fallback handlers and handler lookup containers
-    this._printHandlerFb = (data, start, end): void => { };
-    this._executeHandlerFb = (code: number): void => { };
-    this._csiHandlerFb = (collect: string, params: number[], flag: number): void => { };
-    this._escHandlerFb = (collect: string, flag: number): void => { };
-    this._oscHandlerFb = (identifier: number, data: string): void => { };
-    this._dcsHandlerFb = new DcsDummy();
-    this._errorHandlerFb = (state: IParsingState): IParsingState => state;
-    this._printHandler = this._printHandlerFb;
-    this._executeHandlers = Object.create(null);
-    this._csiHandlers = Object.create(null);
-    this._escHandlers = Object.create(null);
-    this._oscHandlers = Object.create(null);
-    this._dcsHandlers = Object.create(null);
-    this._activeDcsHandler = null;
-    this._errorHandler = this._errorHandlerFb;
-
-    // swallow 7bit ST (ESC+\)
-    this.setEscHandler('\\', () => {});
-  }
-
-  public dispose(): void {
-    this._printHandlerFb = null;
-    this._executeHandlerFb = null;
-    this._csiHandlerFb = null;
-    this._escHandlerFb = null;
-    this._oscHandlerFb = null;
-    this._dcsHandlerFb = null;
-    this._errorHandlerFb = null;
-    this._printHandler = null;
-    this._executeHandlers = null;
-    this._escHandlers = null;
-    this._csiHandlers = null;
-    this._oscHandlers = null;
-    this._dcsHandlers = null;
-    this._activeDcsHandler = null;
-    this._errorHandler = null;
-  }
-
-  setPrintHandler(callback: (data: Uint32Array, start: number, end: number) => void): void {
-    this._printHandler = callback;
-  }
-  clearPrintHandler(): void {
-    this._printHandler = this._printHandlerFb;
-  }
-
-  setExecuteHandler(flag: string, callback: () => void): void {
-    this._executeHandlers[flag.charCodeAt(0)] = callback;
-  }
-  clearExecuteHandler(flag: string): void {
-    if (this._executeHandlers[flag.charCodeAt(0)]) delete this._executeHandlers[flag.charCodeAt(0)];
-  }
-  setExecuteHandlerFallback(callback: (code: number) => void): void {
-    this._executeHandlerFb = callback;
-  }
-
-  addCsiHandler(flag: string, callback: CsiHandler): IDisposable {
-    const index = flag.charCodeAt(0);
-    if (this._csiHandlers[index] === undefined) {
-      this._csiHandlers[index] = [];
-    }
-    const handlerList = this._csiHandlers[index];
-    handlerList.push(callback);
-    return {
-      dispose: () => {
-        const handlerIndex = handlerList.indexOf(callback);
-        if (handlerIndex !== -1) {
-          handlerList.splice(handlerIndex, 1);
-        }
-      }
-    };
-  }
-  setCsiHandler(flag: string, callback: (params: number[], collect: string) => void): void {
-    this._csiHandlers[flag.charCodeAt(0)] = [callback];
-  }
-  clearCsiHandler(flag: string): void {
-    if (this._csiHandlers[flag.charCodeAt(0)]) delete this._csiHandlers[flag.charCodeAt(0)];
-  }
-  setCsiHandlerFallback(callback: (collect: string, params: number[], flag: number) => void): void {
-    this._csiHandlerFb = callback;
-  }
-
-  setEscHandler(collectAndFlag: string, callback: () => void): void {
-    this._escHandlers[collectAndFlag] = callback;
-  }
-  clearEscHandler(collectAndFlag: string): void {
-    if (this._escHandlers[collectAndFlag]) delete this._escHandlers[collectAndFlag];
-  }
-  setEscHandlerFallback(callback: (collect: string, flag: number) => void): void {
-    this._escHandlerFb = callback;
-  }
-
-  addOscHandler(ident: number, callback: (data: string) => boolean): IDisposable {
-    if (this._oscHandlers[ident] === undefined) {
-      this._oscHandlers[ident] = [];
-    }
-    const handlerList =  this._oscHandlers[ident];
-    handlerList.push(callback);
-    return {
-      dispose: () => {
-        const handlerIndex = handlerList.indexOf(callback);
-        if (handlerIndex !== -1) {
-          handlerList.splice(handlerIndex, 1);
-        }
-      }
-    };
-  }
-  setOscHandler(ident: number, callback: (data: string) => void): void {
-    this._oscHandlers[ident] = [callback];
-  }
-  clearOscHandler(ident: number): void {
-    if (this._oscHandlers[ident]) delete this._oscHandlers[ident];
-  }
-  setOscHandlerFallback(callback: (identifier: number, data: string) => void): void {
-    this._oscHandlerFb = callback;
-  }
-
-  setDcsHandler(collectAndFlag: string, handler: IDcsHandler): void {
-    this._dcsHandlers[collectAndFlag] = handler;
-  }
-  clearDcsHandler(collectAndFlag: string): void {
-    if (this._dcsHandlers[collectAndFlag]) delete this._dcsHandlers[collectAndFlag];
-  }
-  setDcsHandlerFallback(handler: IDcsHandler): void {
-    this._dcsHandlerFb = handler;
-  }
-
-  setErrorHandler(callback: (state: IParsingState) => IParsingState): void {
-    this._errorHandler = callback;
-  }
-  clearErrorHandler(): void {
-    this._errorHandler = this._errorHandlerFb;
-  }
-
-  reset(): void {
-    this.currentState = this.initialState;
-    this._osc = '';
-    this._params = [0];
-    this._collect = '';
-    this._activeDcsHandler = null;
-  }
-
-  parse(data: Uint32Array, length: number): void {
-    let code = 0;
-    let transition = 0;
-    let error = false;
-    let currentState = this.currentState;
-    let print = -1;
-    let dcs = -1;
-    let osc = this._osc;
-    let collect = this._collect;
-    let params = this._params;
-    const table: Uint8Array | number[] = this.TRANSITIONS.table;
-    let dcsHandler: IDcsHandler | null = this._activeDcsHandler;
-    let callback: Function | null = null;
-
-    // process input string
-    for (let i = 0; i < length; ++i) {
-      code = data[i];
-
-      // shortcut for most chars (print action)
-      if (currentState === ParserState.GROUND && code > 0x1f && code < 0x80) {
-        print = (~print) ? print : i;
-        do i++;
-        while (i < length && data[i] > 0x1f && data[i] < 0x80);
-        i--;
-        continue;
-      }
-
-      // shortcut for CSI params
-      if (currentState === ParserState.CSI_PARAM && (code > 0x2f && code < 0x39)) {
-        params[params.length - 1] = params[params.length - 1] * 10 + code - 48;
-        continue;
-      }
-
-      // normal transition & action lookup
-      transition = table[currentState << 8 | (code < 0xa0 ? code : NON_ASCII_PRINTABLE)];
-      switch (transition >> 4) {
-        case ParserAction.PRINT:
-          print = (~print) ? print : i;
-          break;
-        case ParserAction.EXECUTE:
-          if (~print) {
-            this._printHandler(data, print, i);
-            print = -1;
-          }
-          callback = this._executeHandlers[code];
-          if (callback) callback();
-          else this._executeHandlerFb(code);
-          break;
-        case ParserAction.IGNORE:
-          // handle leftover print or dcs chars
-          if (~print) {
-            this._printHandler(data, print, i);
-            print = -1;
-          } else if (~dcs) {
-            dcsHandler.put(data, dcs, i);
-            dcs = -1;
-          }
-          break;
-        case ParserAction.ERROR:
-          // chars higher than 0x9f are handled by this action
-          // to keep the transition table small
-          if (code > 0x9f) {
-            switch (currentState) {
-              case ParserState.GROUND:
-                print = (~print) ? print : i;
-                break;
-              case ParserState.CSI_IGNORE:
-                transition |= ParserState.CSI_IGNORE;
-                break;
-              case ParserState.DCS_IGNORE:
-                transition |= ParserState.DCS_IGNORE;
-                break;
-              case ParserState.DCS_PASSTHROUGH:
-                dcs = (~dcs) ? dcs : i;
-                transition |= ParserState.DCS_PASSTHROUGH;
-                break;
-              default:
-                error = true;
-            }
-          } else {
-            error = true;
-          }
-          // if we end up here a real error happened
-          if (error) {
-            const inject: IParsingState = this._errorHandler(
-              {
-                position: i,
-                code,
-                currentState,
-                print,
-                dcs,
-                osc,
-                collect,
-                params,
-                abort: false
-              });
-            if (inject.abort) return;
-          // TODO: inject return values
-            error = false;
-          }
-          break;
-        case ParserAction.CSI_DISPATCH:
-          // Trigger CSI Handler
-          const handlers = this._csiHandlers[code];
-          let j = handlers ? handlers.length - 1 : -1;
-          for (; j >= 0; j--) {
-            if (handlers[j](params, collect)) {
-              break;
-            }
-          }
-          if (j < 0) {
-            this._csiHandlerFb(collect, params, code);
-          }
-          break;
-        case ParserAction.PARAM:
-          if (code === 0x3b) params.push(0);
-          else params[params.length - 1] = params[params.length - 1] * 10 + code - 48;
-          break;
-        case ParserAction.COLLECT:
-          collect += String.fromCharCode(code);
-          break;
-        case ParserAction.ESC_DISPATCH:
-          callback = this._escHandlers[collect + String.fromCharCode(code)];
-          if (callback) callback(collect, code);
-          else this._escHandlerFb(collect, code);
-          break;
-        case ParserAction.CLEAR:
-          if (~print) {
-            this._printHandler(data, print, i);
-            print = -1;
-          }
-          osc = '';
-          params = [0];
-          collect = '';
-          dcs = -1;
-          break;
-        case ParserAction.DCS_HOOK:
-          dcsHandler = this._dcsHandlers[collect + String.fromCharCode(code)];
-          if (!dcsHandler) dcsHandler = this._dcsHandlerFb;
-          dcsHandler.hook(collect, params, code);
-          break;
-        case ParserAction.DCS_PUT:
-          dcs = (~dcs) ? dcs : i;
-          break;
-        case ParserAction.DCS_UNHOOK:
-          if (dcsHandler) {
-            if (~dcs) dcsHandler.put(data, dcs, i);
-            dcsHandler.unhook();
-            dcsHandler = null;
-          }
-          if (code === 0x1b) transition |= ParserState.ESCAPE;
-          osc = '';
-          params = [0];
-          collect = '';
-          dcs = -1;
-          break;
-        case ParserAction.OSC_START:
-          if (~print) {
-            this._printHandler(data, print, i);
-            print = -1;
-          }
-          osc = '';
-          break;
-        case ParserAction.OSC_PUT:
-          for (let j = i + 1; ; j++) {
-            if (j >= length
-                || (code = data[j]) < 0x20
-                || (code > 0x7f && code <= 0x9f)) {
-              osc += utf32ToString(data, i, j);
-              i = j - 1;
-              break;
-            }
-          }
-          break;
-        case ParserAction.OSC_END:
-          if (osc && code !== 0x18 && code !== 0x1a) {
-            // NOTE: OSC subparsing is not part of the original parser
-            // we do basic identifier parsing here to offer a jump table for OSC as well
-            const idx = osc.indexOf(';');
-            if (idx === -1) {
-              this._oscHandlerFb(-1, osc);  // this is an error (malformed OSC)
-            } else {
-              // Note: NaN is not handled here
-              // either catch it with the fallback handler
-              // or with an explicit NaN OSC handler
-              const identifier = parseInt(osc.substring(0, idx));
-              const content = osc.substring(idx + 1);
-              // Trigger OSC Handler
-              const handlers = this._oscHandlers[identifier];
-              let j = handlers ? handlers.length - 1 : -1;
-              for (; j >= 0; j--) {
-                if (handlers[j](content)) {
-                  break;
-                }
-              }
-              if (j < 0) {
-                this._oscHandlerFb(identifier, content);
-              }
-            }
-          }
-          if (code === 0x1b) transition |= ParserState.ESCAPE;
-          osc = '';
-          params = [0];
-          collect = '';
-          dcs = -1;
-          break;
-      }
-      currentState = transition & 15;
-    }
-
-    // push leftover pushable buffers to terminal
-    if (currentState === ParserState.GROUND && ~print) {
-      this._printHandler(data, print, length);
-    } else if (currentState === ParserState.DCS_PASSTHROUGH && ~dcs && dcsHandler) {
-      dcsHandler.put(data, dcs, length);
-    }
-
-    // save non pushable buffers
-    this._osc = osc;
-    this._collect = collect;
-    this._params = params;
-
-    // save active dcs handler reference
-    this._activeDcsHandler = dcsHandler;
-
-    // save state
-    this.currentState = currentState;
-  }
-}
@@ -77,74 +77,3 @@ export namespace C0 {
  /** Delete (Caret = ^?) */
  export const DEL = '\x7f';
 }
-
-/**
- * C1 control codes
- * See = https://en.wikipedia.org/wiki/C0_and_C1_control_codes
- */
-export namespace C1 {
-  /** padding character */
-  export const PAD = '\x80';
-  /** High Octet Preset */
-  export const HOP = '\x81';
-  /** Break Permitted Here */
-  export const BPH = '\x82';
-  /** No Break Here */
-  export const NBH = '\x83';
-  /** Index */
-  export const IND = '\x84';
-  /** Next Line */
-  export const NEL = '\x85';
-  /** Start of Selected Area */
-  export const SSA = '\x86';
-  /** End of Selected Area */
-  export const ESA = '\x87';
-  /** Horizontal Tabulation Set */
-  export const HTS = '\x88';
-  /** Horizontal Tabulation With Justification */
-  export const HTJ = '\x89';
-  /** Vertical Tabulation Set */
-  export const VTS = '\x8a';
-  /** Partial Line Down */
-  export const PLD = '\x8b';
-  /** Partial Line Up */
-  export const PLU = '\x8c';
-  /** Reverse Index */
-  export const RI = '\x8d';
-  /** Single-Shift 2 */
-  export const SS2 = '\x8e';
-  /** Single-Shift 3 */
-  export const SS3 = '\x8f';
-  /** Device Control String */
-  export const DCS = '\x90';
-  /** Private Use 1 */
-  export const PU1 = '\x91';
-  /** Private Use 2 */
-  export const PU2 = '\x92';
-  /** Set Transmit State */
-  export const STS = '\x93';
-  /** Destructive backspace, intended to eliminate ambiguity about meaning of BS. */
-  export const CCH = '\x94';
-  /** Message Waiting */
-  export const MW = '\x95';
-  /** Start of Protected Area */
-  export const SPA = '\x96';
-  /** End of Protected Area */
-  export const EPA = '\x97';
-  /** Start of String */
-  export const SOS = '\x98';
-  /** Single Graphic Character Introducer */
-  export const SGCI = '\x99';
-  /** Single Character Introducer */
-  export const SCI = '\x9a';
-  /** Control Sequence Introducer */
-  export const CSI = '\x9b';
-  /** String Terminator */
-  export const ST = '\x9c';
-  /** Operating System Command */
-  export const OSC = '\x9d';
-  /** Privacy Message */
-  export const PM = '\x9e';
-  /** Application Program Command */
-  export const APC = '\x9f';
-}
@@ -5,16 +5,14 @@

 import { XtermListener } from './Types';
 import { IEventEmitter, IDisposable } from 'xterm';
-import { Disposable } from './Lifecycle';

-export class EventEmitter extends Disposable implements IEventEmitter, IDisposable {
+export class EventEmitter implements IEventEmitter, IDisposable {
  private _events: {[type: string]: XtermListener[]};

  constructor() {
-    super();
    // Restore the previous events if available, this will happen if the
    // constructor is called multiple times on the same object (terminal reset).
-    this._events = (<any>this)._events || {};
+    this._events = this._events || {};
  }

  public on(type: string, listener: XtermListener): void {
@@ -23,22 +21,20 @@ export class EventEmitter extends Disposable implements IEventEmitter, IDisposab
  }

  /**
-   * Adds a disposable listener to the EventEmitter, returning the disposable.
+   * Adds a disposabe listener to the EventEmitter, returning the disposable.
   * @param type The event type.
   * @param handler The handler for the listener.
   */
  public addDisposableListener(type: string, handler: XtermListener): IDisposable {
-    // TODO: Rename addDisposableEventListener to more easily disambiguate from Dom listener
    this.on(type, handler);
-    let disposed = false;
    return {
      dispose: () => {
-        if (disposed) {
+        if (!handler) {
          // Already disposed
          return;
        }
        this.off(type, handler);
-        disposed = true;
+        handler = null;
      }
    };
  }
@@ -48,7 +44,7 @@ export class EventEmitter extends Disposable implements IEventEmitter, IDisposab
      return;
    }

-    const obj = this._events[type];
+    let obj = this._events[type];
    let i = obj.length;

    while (i--) {
@@ -69,31 +65,17 @@ export class EventEmitter extends Disposable implements IEventEmitter, IDisposab
    if (!this._events[type]) {
      return;
    }
-    const obj = this._events[type];
+    let obj = this._events[type];
    for (let i = 0; i < obj.length; i++) {
      obj[i].apply(this, args);
    }
  }

-  public emitMayRemoveListeners(type: string, ...args: any[]): void {
-    if (!this._events[type]) {
-      return;
-    }
-    const obj = this._events[type];
-    let length = obj.length;
-    for (let i = 0; i < obj.length; i++) {
-      obj[i].apply(this, args);
-      i -= length - obj.length;
-      length = obj.length;
-    }
-  }
-
  public listeners(type: string): XtermListener[] {
    return this._events[type] || [];
  }

  public dispose(): void {
-    super.dispose();
    this._events = {};
  }
 }
@@ -3,398 +3,80 @@
 * @license MIT
 */

-import { assert, expect } from 'chai';
+import { assert } from 'chai';
 import { InputHandler } from './InputHandler';
-import { MockInputHandlingTerminal } from './ui/TestUtils.test';
-import { CHAR_DATA_ATTR_INDEX, DEFAULT_ATTR } from './Buffer';
-import { Terminal } from './Terminal';
-import { IBufferLine } from './Types';
+import { MockInputHandlingTerminal } from './utils/TestUtils.test';

 describe('InputHandler', () => {
  describe('save and restore cursor', () => {
-    const terminal = new MockInputHandlingTerminal();
+    let terminal = new MockInputHandlingTerminal();
    terminal.buffer.x = 1;
    terminal.buffer.y = 2;
-    terminal.curAttr = 3;
-    const inputHandler = new InputHandler(terminal);
+    let inputHandler = new InputHandler(terminal);
    // Save cursor position
    inputHandler.saveCursor([]);
    assert.equal(terminal.buffer.x, 1);
    assert.equal(terminal.buffer.y, 2);
-    assert.equal(terminal.curAttr, 3);
    // Change cursor position
    terminal.buffer.x = 10;
    terminal.buffer.y = 20;
-    terminal.curAttr = 30;
    // Restore cursor position
    inputHandler.restoreCursor([]);
    assert.equal(terminal.buffer.x, 1);
    assert.equal(terminal.buffer.y, 2);
-    assert.equal(terminal.curAttr, 3);
  });
  describe('setCursorStyle', () => {
    it('should call Terminal.setOption with correct params', () => {
-      const terminal = new MockInputHandlingTerminal();
-      const inputHandler = new InputHandler(terminal);
-      const collect = ' ';
+      let terminal = new MockInputHandlingTerminal();
+      let inputHandler = new InputHandler(terminal);

-      inputHandler.setCursorStyle([0], collect);
+      inputHandler.setCursorStyle([0]);
      assert.equal(terminal.options['cursorStyle'], 'block');
      assert.equal(terminal.options['cursorBlink'], true);

      terminal.options = {};
-      inputHandler.setCursorStyle([1], collect);
+      inputHandler.setCursorStyle([1]);
      assert.equal(terminal.options['cursorStyle'], 'block');
      assert.equal(terminal.options['cursorBlink'], true);

      terminal.options = {};
-      inputHandler.setCursorStyle([2], collect);
+      inputHandler.setCursorStyle([2]);
      assert.equal(terminal.options['cursorStyle'], 'block');
      assert.equal(terminal.options['cursorBlink'], false);

      terminal.options = {};
-      inputHandler.setCursorStyle([3], collect);
+      inputHandler.setCursorStyle([3]);
      assert.equal(terminal.options['cursorStyle'], 'underline');
      assert.equal(terminal.options['cursorBlink'], true);

      terminal.options = {};
-      inputHandler.setCursorStyle([4], collect);
+      inputHandler.setCursorStyle([4]);
      assert.equal(terminal.options['cursorStyle'], 'underline');
      assert.equal(terminal.options['cursorBlink'], false);

      terminal.options = {};
-      inputHandler.setCursorStyle([5], collect);
+      inputHandler.setCursorStyle([5]);
      assert.equal(terminal.options['cursorStyle'], 'bar');
      assert.equal(terminal.options['cursorBlink'], true);

      terminal.options = {};
-      inputHandler.setCursorStyle([6], collect);
+      inputHandler.setCursorStyle([6]);
      assert.equal(terminal.options['cursorStyle'], 'bar');
      assert.equal(terminal.options['cursorBlink'], false);
    });
  });
  describe('setMode', () => {
    it('should toggle Terminal.bracketedPasteMode', () => {
-      const terminal = new MockInputHandlingTerminal();
-      const collect = '?';
+      let terminal = new MockInputHandlingTerminal();
+      terminal.prefix = '?';
      terminal.bracketedPasteMode = false;
-      const inputHandler = new InputHandler(terminal);
+      let inputHandler = new InputHandler(terminal);
      // Set bracketed paste mode
-      inputHandler.setMode([2004], collect);
+      inputHandler.setMode([2004]);
      assert.equal(terminal.bracketedPasteMode, true);
      // Reset bracketed paste mode
-      inputHandler.resetMode([2004], collect);
+      inputHandler.resetMode([2004]);
      assert.equal(terminal.bracketedPasteMode, false);
    });
  });
-  describe('regression tests', function(): void {
-    function termContent(term: Terminal, trim: boolean): string[] {
-      const result = [];
-      for (let i = 0; i < term.rows; ++i) result.push(term.buffer.lines.get(i).translateToString(trim));
-      return result;
-    }
-
-    it('insertChars', function(): void {
-      const term = new Terminal();
-      const inputHandler = new InputHandler(term);
-
-      // insert some data in first and second line
-      inputHandler.parse(Array(term.cols - 9).join('a'));
-      inputHandler.parse('1234567890');
-      inputHandler.parse(Array(term.cols - 9).join('a'));
-      inputHandler.parse('1234567890');
-      const line1: IBufferLine = term.buffer.lines.get(0);
-      expect(line1.translateToString(false)).equals(Array(term.cols - 9).join('a') + '1234567890');
-
-      // insert one char from params = [0]
-      term.buffer.y = 0;
-      term.buffer.x = 70;
-      inputHandler.insertChars([0]);
-      expect(line1.translateToString(false)).equals(Array(term.cols - 9).join('a') + ' 123456789');
-
-      // insert one char from params = [1]
-      term.buffer.y = 0;
-      term.buffer.x = 70;
-      inputHandler.insertChars([1]);
-      expect(line1.translateToString(false)).equals(Array(term.cols - 9).join('a') + '  12345678');
-
-      // insert two chars from params = [2]
-      term.buffer.y = 0;
-      term.buffer.x = 70;
-      inputHandler.insertChars([2]);
-      expect(line1.translateToString(false)).equals(Array(term.cols - 9).join('a') + '    123456');
-
-      // insert 10 chars from params = [10]
-      term.buffer.y = 0;
-      term.buffer.x = 70;
-      inputHandler.insertChars([10]);
-      expect(line1.translateToString(false)).equals(Array(term.cols - 9).join('a') + '          ');
-      expect(line1.translateToString(true)).equals(Array(term.cols - 9).join('a'));
-    });
-    it('deleteChars', function(): void {
-      const term = new Terminal();
-      const inputHandler = new InputHandler(term);
-
-      // insert some data in first and second line
-      inputHandler.parse(Array(term.cols - 9).join('a'));
-      inputHandler.parse('1234567890');
-      inputHandler.parse(Array(term.cols - 9).join('a'));
-      inputHandler.parse('1234567890');
-      const line1: IBufferLine = term.buffer.lines.get(0);
-      expect(line1.translateToString(false)).equals(Array(term.cols - 9).join('a') + '1234567890');
-
-      // delete one char from params = [0]
-      term.buffer.y = 0;
-      term.buffer.x = 70;
-      inputHandler.deleteChars([0]);
-      expect(line1.translateToString(false)).equals(Array(term.cols - 9).join('a') + '234567890 ');
-      expect(line1.translateToString(true)).equals(Array(term.cols - 9).join('a') + '234567890');
-
-      // insert one char from params = [1]
-      term.buffer.y = 0;
-      term.buffer.x = 70;
-      inputHandler.deleteChars([1]);
-      expect(line1.translateToString(false)).equals(Array(term.cols - 9).join('a') + '34567890  ');
-      expect(line1.translateToString(true)).equals(Array(term.cols - 9).join('a') + '34567890');
-
-      // insert two chars from params = [2]
-      term.buffer.y = 0;
-      term.buffer.x = 70;
-      inputHandler.deleteChars([2]);
-      expect(line1.translateToString(false)).equals(Array(term.cols - 9).join('a') + '567890    ');
-      expect(line1.translateToString(true)).equals(Array(term.cols - 9).join('a') + '567890');
-
-      // insert 10 chars from params = [10]
-      term.buffer.y = 0;
-      term.buffer.x = 70;
-      inputHandler.deleteChars([10]);
-      expect(line1.translateToString(false)).equals(Array(term.cols - 9).join('a') + '          ');
-      expect(line1.translateToString(true)).equals(Array(term.cols - 9).join('a'));
-    });
-    it('eraseInLine', function(): void {
-      const term = new Terminal();
-      const inputHandler = new InputHandler(term);
-
-      // fill 6 lines to test 3 different states
-      inputHandler.parse(Array(term.cols + 1).join('a'));
-      inputHandler.parse(Array(term.cols + 1).join('a'));
-      inputHandler.parse(Array(term.cols + 1).join('a'));
-
-      // params[0] - right erase
-      term.buffer.y = 0;
-      term.buffer.x = 70;
-      inputHandler.eraseInLine([0]);
-      expect(term.buffer.lines.get(0).translateToString(false)).equals(Array(71).join('a') + '          ');
-
-      // params[1] - left erase
-      term.buffer.y = 1;
-      term.buffer.x = 70;
-      inputHandler.eraseInLine([1]);
-      expect(term.buffer.lines.get(1).translateToString(false)).equals(Array(71).join(' ') + ' aaaaaaaaa');
-
-      // params[1] - left erase
-      term.buffer.y = 2;
-      term.buffer.x = 70;
-      inputHandler.eraseInLine([2]);
-      expect(term.buffer.lines.get(2).translateToString(false)).equals(Array(term.cols + 1).join(' '));
-
-    });
-    it('eraseInDisplay', function(): void {
-      const term = new Terminal({cols: 80, rows: 7});
-      const inputHandler = new InputHandler(term);
-
-      // fill display with a's
-      for (let i = 0; i < term.rows; ++i) inputHandler.parse(Array(term.cols + 1).join('a'));
-
-      // params [0] - right and below erase
-      term.buffer.y = 5;
-      term.buffer.x = 40;
-      inputHandler.eraseInDisplay([0]);
-      expect(termContent(term, false)).eql([
-        Array(term.cols + 1).join('a'),
-        Array(term.cols + 1).join('a'),
-        Array(term.cols + 1).join('a'),
-        Array(term.cols + 1).join('a'),
-        Array(term.cols + 1).join('a'),
-        Array(40 + 1).join('a') + Array(term.cols - 40 + 1).join(' '),
-        Array(term.cols + 1).join(' ')
-      ]);
-      expect(termContent(term, true)).eql([
-        Array(term.cols + 1).join('a'),
-        Array(term.cols + 1).join('a'),
-        Array(term.cols + 1).join('a'),
-        Array(term.cols + 1).join('a'),
-        Array(term.cols + 1).join('a'),
-        Array(40 + 1).join('a'),
-        ''
-      ]);
-
-      // reset
-      term.buffer.y = 0;
-      term.buffer.x = 0;
-      for (let i = 0; i < term.rows; ++i) inputHandler.parse(Array(term.cols + 1).join('a'));
-
-      // params [1] - left and above
-      term.buffer.y = 5;
-      term.buffer.x = 40;
-      inputHandler.eraseInDisplay([1]);
-      expect(termContent(term, false)).eql([
-        Array(term.cols + 1).join(' '),
-        Array(term.cols + 1).join(' '),
-        Array(term.cols + 1).join(' '),
-        Array(term.cols + 1).join(' '),
-        Array(term.cols + 1).join(' '),
-        Array(41 + 1).join(' ') + Array(term.cols - 41 + 1).join('a'),
-        Array(term.cols + 1).join('a')
-      ]);
-      expect(termContent(term, true)).eql([
-        '',
-        '',
-        '',
-        '',
-        '',
-        Array(41 + 1).join(' ') + Array(term.cols - 41 + 1).join('a'),
-        Array(term.cols + 1).join('a')
-      ]);
-
-      // reset
-      term.buffer.y = 0;
-      term.buffer.x = 0;
-      for (let i = 0; i < term.rows; ++i) inputHandler.parse(Array(term.cols + 1).join('a'));
-
-      // params [2] - whole screen
-      term.buffer.y = 5;
-      term.buffer.x = 40;
-      inputHandler.eraseInDisplay([2]);
-      expect(termContent(term, false)).eql([
-        Array(term.cols + 1).join(' '),
-        Array(term.cols + 1).join(' '),
-        Array(term.cols + 1).join(' '),
-        Array(term.cols + 1).join(' '),
-        Array(term.cols + 1).join(' '),
-        Array(term.cols + 1).join(' '),
-        Array(term.cols + 1).join(' ')
-      ]);
-      expect(termContent(term, true)).eql([
-        '',
-        '',
-        '',
-        '',
-        '',
-        '',
-        ''
-      ]);
-
-      // reset and add a wrapped line
-      term.buffer.y = 0;
-      term.buffer.x = 0;
-      inputHandler.parse(Array(term.cols + 1).join('a')); // line 0
-      inputHandler.parse(Array(term.cols + 10).join('a')); // line 1 and 2
-      for (let i = 3; i < term.rows; ++i) inputHandler.parse(Array(term.cols + 1).join('a'));
-
-      // params[1] left and above with wrap
-      // confirm precondition that line 2 is wrapped
-      expect(term.buffer.lines.get(2).isWrapped).true;
-      term.buffer.y = 2;
-      term.buffer.x = 40;
-      inputHandler.eraseInDisplay([1]);
-      expect(term.buffer.lines.get(2).isWrapped).false;
-
-      // reset and add a wrapped line
-      term.buffer.y = 0;
-      term.buffer.x = 0;
-      inputHandler.parse(Array(term.cols + 1).join('a')); // line 0
-      inputHandler.parse(Array(term.cols + 10).join('a')); // line 1 and 2
-      for (let i = 3; i < term.rows; ++i) inputHandler.parse(Array(term.cols + 1).join('a'));
-
-      // params[1] left and above with wrap
-      // confirm precondition that line 2 is wrapped
-      expect(term.buffer.lines.get(2).isWrapped).true;
-      term.buffer.y = 1;
-      term.buffer.x = 90; // Cursor is beyond last column
-      inputHandler.eraseInDisplay([1]);
-      expect(term.buffer.lines.get(2).isWrapped).false;
-    });
-  });
-  it('convertEol setting', function(): void {
-    // not converting
-    const termNotConverting = new Terminal({cols: 15, rows: 10});
-    (termNotConverting as any)._inputHandler.parse('Hello\nWorld');
-    expect(termNotConverting.buffer.lines.get(0).translateToString(false)).equals('Hello          ');
-    expect(termNotConverting.buffer.lines.get(1).translateToString(false)).equals('     World     ');
-    expect(termNotConverting.buffer.lines.get(0).translateToString(true)).equals('Hello');
-    expect(termNotConverting.buffer.lines.get(1).translateToString(true)).equals('     World');
-
-    // converting
-    const termConverting = new Terminal({cols: 15, rows: 10, convertEol: true});
-    (termConverting as any)._inputHandler.parse('Hello\nWorld');
-    expect(termConverting.buffer.lines.get(0).translateToString(false)).equals('Hello          ');
-    expect(termConverting.buffer.lines.get(1).translateToString(false)).equals('World          ');
-    expect(termConverting.buffer.lines.get(0).translateToString(true)).equals('Hello');
-    expect(termConverting.buffer.lines.get(1).translateToString(true)).equals('World');
-  });
-  describe('print', () => {
-    it('should not cause an infinite loop (regression test)', () => {
-      const term = new Terminal();
-      const inputHandler = new InputHandler(term);
-      const container = new Uint32Array(10);
-      container[0] = 0x200B;
-      inputHandler.print(container, 0, 1);
-    });
-  });
-
-  describe('alt screen', () => {
-    let term: Terminal;
-    let handler: InputHandler;
-
-    beforeEach(() => {
-      term = new Terminal();
-      handler = new InputHandler(term);
-    });
-    it('should handle DECSET/DECRST 47 (alt screen buffer)', () => {
-      handler.parse('\x1b[?47h\r\n\x1b[31mJUNK\x1b[?47lTEST');
-      expect(term.buffer.translateBufferLineToString(0, true)).to.equal('');
-      expect(term.buffer.translateBufferLineToString(1, true)).to.equal('    TEST');
-      // Text color of 'TEST' should be red
-      expect((term.buffer.lines.get(1).get(4)[CHAR_DATA_ATTR_INDEX] >> 9) & 0x1ff).to.equal(1);
-    });
-    it('should handle DECSET/DECRST 1047 (alt screen buffer)', () => {
-      handler.parse('\x1b[?1047h\r\n\x1b[31mJUNK\x1b[?1047lTEST');
-      expect(term.buffer.translateBufferLineToString(0, true)).to.equal('');
-      expect(term.buffer.translateBufferLineToString(1, true)).to.equal('    TEST');
-      // Text color of 'TEST' should be red
-      expect((term.buffer.lines.get(1).get(4)[CHAR_DATA_ATTR_INDEX] >> 9) & 0x1ff).to.equal(1);
-    });
-    it('should handle DECSET/DECRST 1048 (alt screen cursor)', () => {
-      handler.parse('\x1b[?1048h\r\n\x1b[31mJUNK\x1b[?1048lTEST');
-      expect(term.buffer.translateBufferLineToString(0, true)).to.equal('TEST');
-      expect(term.buffer.translateBufferLineToString(1, true)).to.equal('JUNK');
-      // Text color of 'TEST' should be default
-      expect(term.buffer.lines.get(0).get(0)[CHAR_DATA_ATTR_INDEX]).to.equal(DEFAULT_ATTR);
-      // Text color of 'JUNK' should be red
-      expect((term.buffer.lines.get(1).get(0)[CHAR_DATA_ATTR_INDEX] >> 9) & 0x1ff).to.equal(1);
-    });
-    it('should handle DECSET/DECRST 1049 (alt screen buffer+cursor)', () => {
-      handler.parse('\x1b[?1049h\r\n\x1b[31mJUNK\x1b[?1049lTEST');
-      expect(term.buffer.translateBufferLineToString(0, true)).to.equal('TEST');
-      expect(term.buffer.translateBufferLineToString(1, true)).to.equal('');
-      // Text color of 'TEST' should be default
-      expect(term.buffer.lines.get(0).get(0)[CHAR_DATA_ATTR_INDEX]).to.equal(DEFAULT_ATTR);
-    });
-    it('should handle DECSET/DECRST 1049 - maintains saved cursor for alt buffer', () => {
-      handler.parse('\x1b[?1049h\r\n\x1b[31m\x1b[s\x1b[?1049lTEST');
-      expect(term.buffer.translateBufferLineToString(0, true)).to.equal('TEST');
-      // Text color of 'TEST' should be default
-      expect(term.buffer.lines.get(0).get(0)[CHAR_DATA_ATTR_INDEX]).to.equal(DEFAULT_ATTR);
-      handler.parse('\x1b[?1049h\x1b[uTEST');
-      expect(term.buffer.translateBufferLineToString(1, true)).to.equal('TEST');
-      // Text color of 'TEST' should be red
-      expect((term.buffer.lines.get(1).get(0)[CHAR_DATA_ATTR_INDEX] >> 9) & 0x1ff).to.equal(1);
-    });
-    it('should handle DECSET/DECRST 1049 - clears alt buffer with erase attributes', () => {
-      handler.parse('\x1b[42m\x1b[?1049h');
-      // Buffer should be filled with green background
-      expect(term.buffer.lines.get(20).get(10)[CHAR_DATA_ATTR_INDEX] & 0x1ff).to.equal(2);
-    });
-  });
 });
@@ -4,17 +4,16 @@
 */

 import { assert } from 'chai';
-import { IMouseZoneManager, IMouseZone } from './ui/Types';
-import { ILinkMatcher, ITerminal, IBufferLine } from './Types';
+import { IMouseZoneManager, IMouseZone } from './input/Types';
+import { ILinkMatcher, LineData, ITerminal } from './Types';
 import { Linkifier } from './Linkifier';
-import { MockBuffer, MockTerminal, TestTerminal } from './ui/TestUtils.test';
-import { CircularList } from './common/CircularList';
-import { BufferLine } from './BufferLine';
+import { MockBuffer, MockTerminal } from './utils/TestUtils.test';
+import { CircularList } from './utils/CircularList';

 class TestLinkifier extends Linkifier {
-  constructor(terminal: ITerminal) {
-    super(terminal);
-    (<any>Linkifier).TIME_BEFORE_LINKIFY = 0;
+  constructor(_terminal: ITerminal) {
+    super(_terminal);
+    Linkifier.TIME_BEFORE_LINKIFY = 0;
  }

  public get linkMatchers(): ILinkMatcher[] { return this._linkMatchers; }
@@ -22,8 +21,6 @@ class TestLinkifier extends Linkifier {
 }

 class TestMouseZoneManager implements IMouseZoneManager {
-  dispose(): void {
-  }
  public clears: number = 0;
  public zones: IMouseZone[] = [];
  add(zone: IMouseZone): void {
@@ -41,19 +38,18 @@ describe('Linkifier', () => {

  beforeEach(() => {
    terminal = new MockTerminal();
-    (terminal as any).cols = 100;
-    (terminal as any).rows = 10;
+    terminal.cols = 100;
    terminal.buffer = new MockBuffer();
-    (<MockBuffer>terminal.buffer).setLines(new CircularList<IBufferLine>(20));
+    (<MockBuffer>terminal.buffer).setLines(new CircularList<LineData>(20));
    terminal.buffer.ydisp = 0;
    linkifier = new TestLinkifier(terminal);
    mouseZoneManager = new TestMouseZoneManager();
  });

-  function stringToRow(text: string): IBufferLine {
-    const result = new BufferLine(text.length);
+  function stringToRow(text: string): LineData {
+    let result: LineData = [];
    for (let i = 0; i < text.length; i++) {
-      result.set(i, [0, text.charAt(i), 1, text.charCodeAt(i)]);
+      result.push([0, text.charAt(i), 1, text.charCodeAt(i)]);
    }
    return result;
  }
@@ -65,7 +61,6 @@ describe('Linkifier', () => {
  function assertLinkifiesRow(rowText: string, linkMatcherRegex: RegExp, links: {x: number, length: number}[], done: MochaDone): void {
    addRow(rowText);
    linkifier.registerLinkMatcher(linkMatcherRegex, () => {});
-    (terminal as any).rows = terminal.buffer.lines.length - 1;
    linkifier.linkifyRows();
    // Allow linkify to happen
    setTimeout(() => {
@@ -142,19 +137,19 @@ describe('Linkifier', () => {
      });
      describe('multi-line links', () => {
        it('should match links that start on line 1/2 of a wrapped line and end on the last character of line 1/2', done => {
-          (terminal as any).cols = 4;
+          terminal.cols = 4;
          assertLinkifiesMultiLineLink('12345', /1234/, [{x1: 0, x2: 4, y1: 0, y2: 0}], done);
        });
        it('should match links that start on line 1/2 of a wrapped line and wrap to line 2/2', done => {
-          (terminal as any).cols = 4;
+          terminal.cols = 4;
          assertLinkifiesMultiLineLink('12345', /12345/, [{x1: 0, x2: 1, y1: 0, y2: 1}], done);
        });
        it('should match links that start and end on line 2/2 of a wrapped line', done => {
-          (terminal as any).cols = 4;
+          terminal.cols = 4;
          assertLinkifiesMultiLineLink('12345678', /5678/, [{x1: 0, x2: 4, y1: 1, y2: 1}], done);
        });
        it('should match links that start on line 2/3 of a wrapped line and wrap to line 3/3', done => {
-          (terminal as any).cols = 4;
+          terminal.cols = 4;
          assertLinkifiesMultiLineLink('123456789', /56789/, [{x1: 0, x2: 1, y1: 1, y2: 2}], done);
        });
      });
@@ -240,98 +235,4 @@ describe('Linkifier', () => {
      });
    });
  });
-  describe('unicode handling', () => {
-    let terminal: TestTerminal;
-
-    // other than the tests above unicode testing needs the full terminal instance
-    // to get the special handling of fullwidth, surrogate and combining chars in the input handler
-    beforeEach(() => {
-      terminal = new TestTerminal({cols: 10, rows: 5});
-      linkifier = new TestLinkifier(terminal);
-      mouseZoneManager = new TestMouseZoneManager();
-      linkifier.attachToDom(mouseZoneManager);
-    });
-
-    function assertLinkifiesInTerminal(rowText: string, linkMatcherRegex: RegExp, links: {x1: number, y1: number, x2: number, y2: number}[], done: MochaDone): void {
-      terminal.writeSync(rowText);
-      linkifier.registerLinkMatcher(linkMatcherRegex, () => {});
-      linkifier.linkifyRows();
-      // Allow linkify to happen
-      setTimeout(() => {
-        assert.equal(mouseZoneManager.zones.length, links.length);
-        links.forEach((l, i) => {
-          assert.equal(mouseZoneManager.zones[i].x1, l.x1 + 1);
-          assert.equal(mouseZoneManager.zones[i].x2, l.x2 + 1);
-          assert.equal(mouseZoneManager.zones[i].y1, l.y1 + 1);
-          assert.equal(mouseZoneManager.zones[i].y2, l.y2 + 1);
-        });
-        done();
-      }, 0);
-    }
-
-    describe('unicode before the match', () => {
-      it('combining - match within one line', function(done: () => void): void {
-        assertLinkifiesInTerminal('e\u0301e\u0301e\u0301 foo', /foo/, [{x1: 4, x2: 7, y1: 0, y2: 0}], done);
-      });
-      it('combining - match over two lines', function(done: () => void): void {
-        assertLinkifiesInTerminal('e\u0301e\u0301e\u0301     foo', /foo/, [{x1: 8, x2: 1, y1: 0, y2: 1}], done);
-      });
-      it('surrogate - match within one line', function(done: () => void): void {
-        assertLinkifiesInTerminal('𝄞𝄞𝄞 foo', /foo/, [{x1: 4, x2: 7, y1: 0, y2: 0}], done);
-      });
-      it('surrogate - match over two lines', function(done: () => void): void {
-        assertLinkifiesInTerminal('𝄞𝄞𝄞     foo', /foo/, [{x1: 8, x2: 1, y1: 0, y2: 1}], done);
-      });
-      it('combining surrogate - match within one line', function(done: () => void): void {
-        assertLinkifiesInTerminal('𓂀\u0301𓂀\u0301𓂀\u0301 foo', /foo/, [{x1: 4, x2: 7, y1: 0, y2: 0}], done);
-      });
-      it('combining surrogate - match over two lines', function(done: () => void): void {
-        assertLinkifiesInTerminal('𓂀\u0301𓂀\u0301𓂀\u0301     foo', /foo/, [{x1: 8, x2: 1, y1: 0, y2: 1}], done);
-      });
-      it('fullwidth - match within one line', function(done: () => void): void {
-        assertLinkifiesInTerminal('１２ foo', /foo/, [{x1: 5, x2: 8, y1: 0, y2: 0}], done);
-      });
-      it('fullwidth - match over two lines', function(done: () => void): void {
-        assertLinkifiesInTerminal('１２    foo', /foo/, [{x1: 8, x2: 1, y1: 0, y2: 1}], done);
-      });
-      it('combining fullwidth - match within one line', function(done: () => void): void {
-        assertLinkifiesInTerminal('￥\u0301￥\u0301 foo', /foo/, [{x1: 5, x2: 8, y1: 0, y2: 0}], done);
-      });
-      it('combining fullwidth - match over two lines', function(done: () => void): void {
-        assertLinkifiesInTerminal('￥\u0301￥\u0301    foo', /foo/, [{x1: 8, x2: 1, y1: 0, y2: 1}], done);
-      });
-    });
-    describe('unicode within the match', () => {
-      it('combining - match within one line', function(done: () => void): void {
-        assertLinkifiesInTerminal('test cafe\u0301', /cafe\u0301/, [{x1: 5, x2: 9, y1: 0, y2: 0}], done);
-      });
-      it('combining - match over two lines', function(done: () => void): void {
-        assertLinkifiesInTerminal('testtest cafe\u0301', /cafe\u0301/, [{x1: 9, x2: 3, y1: 0, y2: 1}], done);
-      });
-      it('surrogate - match within one line', function(done: () => void): void {
-        assertLinkifiesInTerminal('test a𝄞b', /a𝄞b/, [{x1: 5, x2: 8, y1: 0, y2: 0}], done);
-      });
-      it('surrogate - match over two lines', function(done: () => void): void {
-        assertLinkifiesInTerminal('testtest a𝄞b', /a𝄞b/, [{x1: 9, x2: 2, y1: 0, y2: 1}], done);
-      });
-      it('combining surrogate - match within one line', function(done: () => void): void {
-        assertLinkifiesInTerminal('test a𓂀\u0301b', /a𓂀\u0301b/, [{x1: 5, x2: 8, y1: 0, y2: 0}], done);
-      });
-      it('combining surrogate - match over two lines', function(done: () => void): void {
-        assertLinkifiesInTerminal('testtest a𓂀\u0301b', /a𓂀\u0301b/, [{x1: 9, x2: 2, y1: 0, y2: 1}], done);
-      });
-      it('fullwidth - match within one line', function(done: () => void): void {
-        assertLinkifiesInTerminal('test a１b', /a１b/, [{x1: 5, x2: 9, y1: 0, y2: 0}], done);
-      });
-      it('fullwidth - match over two lines', function(done: () => void): void {
-        assertLinkifiesInTerminal('testtest a１b', /a１b/, [{x1: 9, x2: 3, y1: 0, y2: 1}], done);
-      });
-      it('combining fullwidth - match within one line', function(done: () => void): void {
-        assertLinkifiesInTerminal('test a￥\u0301b', /a￥\u0301b/, [{x1: 5, x2: 9, y1: 0, y2: 0}], done);
-      });
-      it('combining fullwidth - match over two lines', function(done: () => void): void {
-        assertLinkifiesInTerminal('testtest a￥\u0301b', /a￥\u0301b/, [{x1: 9, x2: 3, y1: 0, y2: 1}], done);
-      });
-    });
-  });
 });
@@ -3,12 +3,10 @@
 * @license MIT
 */

-import { IMouseZoneManager } from './ui/Types';
-import { ILinkHoverEvent, ILinkMatcher, LinkMatcherHandler, LinkHoverEventTypes, ILinkMatcherOptions, ILinkifier, ITerminal, IBufferStringIteratorResult } from './Types';
-import { MouseZone } from './ui/MouseZoneManager';
-import { EventEmitter } from './common/EventEmitter';
-import { CHAR_DATA_ATTR_INDEX } from './Buffer';
-import { getStringCellWidth } from './CharWidth';
+import { IMouseZoneManager } from './input/Types';
+import { ILinkHoverEvent, ILinkMatcher, LinkMatcherHandler, LinkHoverEventTypes, ILinkMatcherOptions, ILinkifier, ITerminal } from './Types';
+import { MouseZone } from './input/MouseZoneManager';
+import { EventEmitter } from './EventEmitter';

 /**
 * The Linkifier applies links to rows shortly after they have been refreshed.
@@ -19,21 +17,14 @@ export class Linkifier extends EventEmitter implements ILinkifier {
   * the costly operation of searching every row multiple times, potentially a
   * huge amount of times.
   */
-  protected static readonly TIME_BEFORE_LINKIFY = 200;
-
-  /**
-   * Limit of the unwrapping line expansion (overscan) at the top and bottom
-   * of the actual viewport in ASCII characters.
-   * A limit of 2000 should match most sane urls.
-   */
-  protected static readonly OVERSCAN_CHAR_LIMIT = 2000;
+  protected static TIME_BEFORE_LINKIFY = 200;

  protected _linkMatchers: ILinkMatcher[] = [];

  private _mouseZoneManager: IMouseZoneManager;
  private _rowsTimeoutId: number;
  private _nextLinkMatcherId = 0;
-  private _rowsToLinkify: { start: number, end: number };
+  private _rowsToLinkify: {start: number, end: number};

  constructor(
    protected _terminal: ITerminal
@@ -88,37 +79,9 @@ export class Linkifier extends EventEmitter implements ILinkifier {
   */
  private _linkifyRows(): void {
    this._rowsTimeoutId = null;
-    const buffer = this._terminal.buffer;
-
-    // Ensure the start row exists
-    const absoluteRowIndexStart = buffer.ydisp + this._rowsToLinkify.start;
-    if (absoluteRowIndexStart >= buffer.lines.length) {
-      return;
+    for (let i = this._rowsToLinkify.start; i <= this._rowsToLinkify.end; i++) {
+      this._linkifyRow(i);
    }
-
-    // Invalidate bad end row values (if a resize happened)
-    const absoluteRowIndexEnd = buffer.ydisp + Math.min(this._rowsToLinkify.end, this._terminal.rows) + 1;
-
-    // Iterate over the range of unwrapped content strings within start..end
-    // (excluding).
-    // _doLinkifyRow gets full unwrapped lines with the start row as buffer offset
-    // for every matcher.
-    // The unwrapping is needed to also match content that got wrapped across
-    // several buffer lines. To avoid a worst case scenario where the whole buffer
-    // contains just a single unwrapped string we limit this line expansion beyond
-    // the viewport to +OVERSCAN_CHAR_LIMIT chars (overscan) at top and bottom.
-    // This comes with the tradeoff that matches longer than OVERSCAN_CHAR_LIMIT
-    // chars will not match anymore at the viewport borders.
-    const overscanLineLimit = Math.ceil(Linkifier.OVERSCAN_CHAR_LIMIT / this._terminal.cols);
-    const iterator = this._terminal.buffer.iterator(
-      false, absoluteRowIndexStart, absoluteRowIndexEnd, overscanLineLimit, overscanLineLimit);
-    while (iterator.hasNext()) {
-      const lineData: IBufferStringIteratorResult = iterator.next();
-      for (let i = 0; i < this._linkMatchers.length; i++) {
-        this._doLinkifyRow(lineData.range.first, lineData.content, this._linkMatchers[i]);
-      }
-    }
-
    this._rowsToLinkify.start = null;
    this._rowsToLinkify.end = null;
  }
@@ -190,68 +153,81 @@ export class Linkifier extends EventEmitter implements ILinkifier {
  }

  /**
-   * Linkifies a row given a specific handler.
-   * @param rowIndex The row index to linkify (absolute index).
-   * @param text string content of the unwrapped row.
-   * @param matcher The link matcher for this line.
+   * Linkifies a row.
+   * @param rowIndex The index of the row to linkify.
   */
-  private _doLinkifyRow(rowIndex: number, text: string, matcher: ILinkMatcher): void {
-    // clone regex to do a global search on text
-    const rex = new RegExp(matcher.regex.source, matcher.regex.flags + 'g');
-    let match;
-    let stringIndex = -1;
-    while ((match = rex.exec(text)) !== null) {
-      const uri = match[typeof matcher.matchIndex !== 'number' ? 0 : matcher.matchIndex];
-      if (!uri) {
-        // something matched but does not comply with the given matchIndex
-        // since this is most likely a bug the regex itself we simply do nothing here
-        // DEBUG: print match and throw
-        if ((<any>this._terminal).debug) {
-          console.log({match, matcher});
-          throw new Error('match found without corresponding matchIndex');
+  private _linkifyRow(rowIndex: number): void {
+    // Ensure the row exists
+    let absoluteRowIndex = this._terminal.buffer.ydisp + rowIndex;
+    if (absoluteRowIndex >= this._terminal.buffer.lines.length) {
+      return;
+    }
+
+    if ((<any>this._terminal.buffer.lines.get(absoluteRowIndex)).isWrapped) {
+      // Only attempt to linkify rows that start in the viewport
+      if (rowIndex !== 0) {
+        return;
+      }
+      // If the first row is wrapped, backtrack to find the origin row and linkify that
+      do {
+        rowIndex--;
+        absoluteRowIndex--;
+      } while ((<any>this._terminal.buffer.lines.get(absoluteRowIndex)).isWrapped);
+    }
+
+    // Construct full unwrapped line text
+    let text = this._terminal.buffer.translateBufferLineToString(absoluteRowIndex, false);
+    let currentIndex = absoluteRowIndex + 1;
+    while (currentIndex < this._terminal.buffer.lines.length &&
+        (<any>this._terminal.buffer.lines.get(currentIndex)).isWrapped) {
+      text += this._terminal.buffer.translateBufferLineToString(currentIndex++, false);
+    }
+
+    for (let i = 0; i < this._linkMatchers.length; i++) {
+      this._doLinkifyRow(rowIndex, text, this._linkMatchers[i]);
+    }
+  }
+
+  /**
+   * Linkifies a row given a specific handler.
+   * @param rowIndex The row index to linkify.
+   * @param text The text of the row (excludes text in the row that's already
+   * linkified).
+   * @param matcher The link matcher for this line.
+   * @param offset The how much of the row has already been linkified.
+   * @return The link element(s) that were added.
+   */
+  private _doLinkifyRow(rowIndex: number, text: string, matcher: ILinkMatcher, offset: number = 0): void {
+    // Find the first match
+    let match = text.match(matcher.regex);
+    if (!match || match.length === 0) {
+      return;
+    }
+    let uri = match[typeof matcher.matchIndex !== 'number' ? 0 : matcher.matchIndex];
+
+    // Get index, match.index is for the outer match which includes negated chars
+    const index = text.indexOf(uri);
+
+    // Ensure the link is valid before registering
+    if (matcher.validationCallback) {
+      matcher.validationCallback(uri, isValid => {
+        // Discard link if the line has already changed
+        if (this._rowsTimeoutId) {
+          return;
        }
-        break;
-      }
+        if (isValid) {
+          this._addLink(offset + index, rowIndex, uri, matcher);
+        }
+      });
+    } else {
+      this._addLink(offset + index, rowIndex, uri, matcher);
+    }

-      // Get index, match.index is for the outer match which includes negated chars
-      // therefore we cannot use match.index directly, instead we search the position
-      // of the match group in text again
-      // also correct regex and string search offsets for the next loop run
-      stringIndex = text.indexOf(uri, stringIndex + 1);
-      rex.lastIndex = stringIndex + uri.length;
-      if (stringIndex < 0) {
-        // invalid stringIndex (should not have happened)
-        break;
-      }
-
-      // get the buffer index as [absolute row, col] for the match
-      const bufferIndex = this._terminal.buffer.stringIndexToBufferIndex(rowIndex, stringIndex);
-      if (bufferIndex[0] < 0) {
-        // invalid bufferIndex (should not have happened)
-        break;
-      }
-
-      const line = this._terminal.buffer.lines.get(bufferIndex[0]);
-      const char = line.get(bufferIndex[1]);
-      let fg: number | undefined;
-      if (char) {
-        const attr: number = char[CHAR_DATA_ATTR_INDEX];
-        fg = (attr >> 9) & 0x1ff;
-      }
-
-      if (matcher.validationCallback) {
-        matcher.validationCallback(uri, isValid => {
-          // Discard link if the line has already changed
-          if (this._rowsTimeoutId) {
-            return;
-          }
-          if (isValid) {
-            this._addLink(bufferIndex[1], bufferIndex[0] - this._terminal.buffer.ydisp, uri, matcher, fg);
-          }
-        });
-      } else {
-        this._addLink(bufferIndex[1], bufferIndex[0] - this._terminal.buffer.ydisp, uri, matcher, fg);
-      }
+    // Recursively check for links in the rest of the text
+    const remainingStartIndex = index + uri.length;
+    const remainingText = text.substr(remainingStartIndex);
+    if (remainingText.length > 0) {
+      this._doLinkifyRow(rowIndex, remainingText, matcher, offset + remainingStartIndex);
    }
  }

@@ -261,14 +237,12 @@ export class Linkifier extends EventEmitter implements ILinkifier {
   * @param y The row the link is on.
   * @param uri The URI of the link.
   * @param matcher The link matcher for the link.
-   * @param fg The link color for hover event.
   */
-  private _addLink(x: number, y: number, uri: string, matcher: ILinkMatcher, fg: number): void {
-    const width = getStringCellWidth(uri);
+  private _addLink(x: number, y: number, uri: string, matcher: ILinkMatcher): void {
    const x1 = x % this._terminal.cols;
    const y1 = y + Math.floor(x / this._terminal.cols);
-    let x2 = (x1 + width) % this._terminal.cols;
-    let y2 = y1 + Math.floor((x1 + width) / this._terminal.cols);
+    let x2 = (x1 + uri.length) % this._terminal.cols;
+    let y2 = y1 + Math.floor((x1 + uri.length) / this._terminal.cols);
    if (x2 === 0) {
      x2 = this._terminal.cols;
      y2--;
@@ -286,17 +260,17 @@ export class Linkifier extends EventEmitter implements ILinkifier {
        window.open(uri, '_blank');
      },
      e => {
-        this.emit(LinkHoverEventTypes.HOVER, this._createLinkHoverEvent(x1, y1, x2, y2, fg));
+        this.emit(LinkHoverEventTypes.HOVER, this._createLinkHoverEvent(x1, y1, x2, y2));
        this._terminal.element.classList.add('xterm-cursor-pointer');
      },
      e => {
-        this.emit(LinkHoverEventTypes.TOOLTIP, this._createLinkHoverEvent(x1, y1, x2, y2, fg));
+        this.emit(LinkHoverEventTypes.TOOLTIP, this._createLinkHoverEvent(x1, y1, x2, y2));
        if (matcher.hoverTooltipCallback) {
          matcher.hoverTooltipCallback(e, uri);
        }
      },
      () => {
-        this.emit(LinkHoverEventTypes.LEAVE, this._createLinkHoverEvent(x1, y1, x2, y2, fg));
+        this.emit(LinkHoverEventTypes.LEAVE, this._createLinkHoverEvent(x1, y1, x2, y2));
        this._terminal.element.classList.remove('xterm-cursor-pointer');
        if (matcher.hoverLeaveCallback) {
          matcher.hoverLeaveCallback();
@@ -311,7 +285,7 @@ export class Linkifier extends EventEmitter implements ILinkifier {
    ));
  }

-  private _createLinkHoverEvent(x1: number, y1: number, x2: number, y2: number, fg: number): ILinkHoverEvent {
-    return { x1, y1, x2, y2, cols: this._terminal.cols, fg };
+  private _createLinkHoverEvent(x1: number, y1: number, x2: number, y2: number): ILinkHoverEvent {
+    return { x1, y1, x2, y2, cols: this._terminal.cols };
  }
 }
@@ -0,0 +1,673 @@
+/**
+ * Copyright (c) 2014 The xterm.js authors. All rights reserved.
+ * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
+ * @license MIT
+ */
+
+import { C0 } from './EscapeSequences';
+import { IInputHandler, IInputHandlingTerminal } from './Types';
+import { CHARSETS, DEFAULT_CHARSET } from './Charsets';
+
+const normalStateHandler: {[key: string]: (parser: Parser, handler: IInputHandler) => void} = {};
+normalStateHandler[C0.BEL] = (parser, handler) => handler.bell();
+normalStateHandler[C0.LF] = (parser, handler) => handler.lineFeed();
+normalStateHandler[C0.VT] = normalStateHandler[C0.LF];
+normalStateHandler[C0.FF] = normalStateHandler[C0.LF];
+normalStateHandler[C0.CR] = (parser, handler) => handler.carriageReturn();
+normalStateHandler[C0.BS] = (parser, handler) => handler.backspace();
+normalStateHandler[C0.HT] = (parser, handler) => handler.tab();
+normalStateHandler[C0.SO] = (parser, handler) => handler.shiftOut();
+normalStateHandler[C0.SI] = (parser, handler) => handler.shiftIn();
+normalStateHandler[C0.ESC] = (parser, handler) => parser.setState(ParserState.ESCAPED);
+
+// TODO: Remove terminal when parser owns params and currentParam
+const escapedStateHandler: {[key: string]: (parser: Parser, terminal: any) => void} = {};
+escapedStateHandler['['] = (parser, terminal) => {
+  // ESC [ Control Sequence Introducer (CSI  is 0x9b)
+  terminal.params = [];
+  terminal.currentParam = 0;
+  parser.setState(ParserState.CSI_PARAM);
+};
+escapedStateHandler[']'] = (parser, terminal) => {
+  // ESC ] Operating System Command (OSC is 0x9d)
+  terminal.params = [];
+  terminal.currentParam = 0;
+  parser.setState(ParserState.OSC);
+};
+escapedStateHandler['P'] = (parser, terminal) => {
+  // ESC P Device Control String (DCS is 0x90)
+  terminal.params = [];
+  terminal.currentParam = 0;
+  parser.setState(ParserState.DCS);
+};
+escapedStateHandler['_'] = (parser, terminal) => {
+  // ESC _ Application Program Command ( APC is 0x9f).
+  parser.setState(ParserState.IGNORE);
+};
+escapedStateHandler['^'] = (parser, terminal) => {
+  // ESC ^ Privacy Message ( PM is 0x9e).
+  parser.setState(ParserState.IGNORE);
+};
+escapedStateHandler['c'] = (parser, terminal) => {
+  // ESC c Full Reset (RIS).
+  terminal.reset();
+};
+escapedStateHandler['E'] = (parser, terminal) => {
+  // ESC E Next Line ( NEL is 0x85).
+  terminal.buffer.x = 0;
+  terminal.index();
+  parser.setState(ParserState.NORMAL);
+};
+escapedStateHandler['D'] = (parser, terminal) => {
+  // ESC D Index ( IND is 0x84).
+  terminal.index();
+  parser.setState(ParserState.NORMAL);
+};
+escapedStateHandler['M'] = (parser, terminal) => {
+  // ESC M Reverse Index ( RI is 0x8d).
+  terminal.reverseIndex();
+  parser.setState(ParserState.NORMAL);
+};
+escapedStateHandler['%'] = (parser, terminal) => {
+  // ESC % Select default/utf-8 character set.
+  // @ = default, G = utf-8
+  terminal.setgLevel(0);
+  terminal.setgCharset(0, DEFAULT_CHARSET); // US (default)
+  parser.setState(ParserState.NORMAL);
+  parser.skipNextChar();
+};
+escapedStateHandler[C0.CAN] = (parser) => parser.setState(ParserState.NORMAL);
+
+const csiParamStateHandler: {[key: string]: (parser: Parser) => void} = {};
+csiParamStateHandler['?'] = (parser) => parser.setPrefix('?');
+csiParamStateHandler['>'] = (parser) => parser.setPrefix('>');
+csiParamStateHandler['!'] = (parser) => parser.setPrefix('!');
+csiParamStateHandler['0'] = (parser) => parser.setParam(parser.getParam() * 10);
+csiParamStateHandler['1'] = (parser) => parser.setParam(parser.getParam() * 10 + 1);
+csiParamStateHandler['2'] = (parser) => parser.setParam(parser.getParam() * 10 + 2);
+csiParamStateHandler['3'] = (parser) => parser.setParam(parser.getParam() * 10 + 3);
+csiParamStateHandler['4'] = (parser) => parser.setParam(parser.getParam() * 10 + 4);
+csiParamStateHandler['5'] = (parser) => parser.setParam(parser.getParam() * 10 + 5);
+csiParamStateHandler['6'] = (parser) => parser.setParam(parser.getParam() * 10 + 6);
+csiParamStateHandler['7'] = (parser) => parser.setParam(parser.getParam() * 10 + 7);
+csiParamStateHandler['8'] = (parser) => parser.setParam(parser.getParam() * 10 + 8);
+csiParamStateHandler['9'] = (parser) => parser.setParam(parser.getParam() * 10 + 9);
+csiParamStateHandler['$'] = (parser) => parser.setPostfix('$');
+csiParamStateHandler['"'] = (parser) => parser.setPostfix('"');
+csiParamStateHandler[' '] = (parser) => parser.setPostfix(' ');
+csiParamStateHandler['\''] = (parser) => parser.setPostfix('\'');
+csiParamStateHandler[';'] = (parser) => parser.finalizeParam();
+csiParamStateHandler[C0.CAN] = (parser) => parser.setState(ParserState.NORMAL);
+
+const csiStateHandler: {[key: string]: (handler: IInputHandler, params: number[], prefix: string, postfix: string, parser: Parser) => void} = {};
+csiStateHandler['@'] = (handler, params, prefix) => handler.insertChars(params);
+csiStateHandler['A'] = (handler, params, prefix) => handler.cursorUp(params);
+csiStateHandler['B'] = (handler, params, prefix) => handler.cursorDown(params);
+csiStateHandler['C'] = (handler, params, prefix) => handler.cursorForward(params);
+csiStateHandler['D'] = (handler, params, prefix) => handler.cursorBackward(params);
+csiStateHandler['E'] = (handler, params, prefix) => handler.cursorNextLine(params);
+csiStateHandler['F'] = (handler, params, prefix) => handler.cursorPrecedingLine(params);
+csiStateHandler['G'] = (handler, params, prefix) => handler.cursorCharAbsolute(params);
+csiStateHandler['H'] = (handler, params, prefix) => handler.cursorPosition(params);
+csiStateHandler['I'] = (handler, params, prefix) => handler.cursorForwardTab(params);
+csiStateHandler['J'] = (handler, params, prefix) => handler.eraseInDisplay(params);
+csiStateHandler['K'] = (handler, params, prefix) => handler.eraseInLine(params);
+csiStateHandler['L'] = (handler, params, prefix) => handler.insertLines(params);
+csiStateHandler['M'] = (handler, params, prefix) => handler.deleteLines(params);
+csiStateHandler['P'] = (handler, params, prefix) => handler.deleteChars(params);
+csiStateHandler['S'] = (handler, params, prefix) => handler.scrollUp(params);
+csiStateHandler['T'] = (handler, params, prefix) => {
+  if (params.length < 2 && !prefix) {
+    handler.scrollDown(params);
+  }
+};
+csiStateHandler['X'] = (handler, params, prefix) => handler.eraseChars(params);
+csiStateHandler['Z'] = (handler, params, prefix) => handler.cursorBackwardTab(params);
+csiStateHandler['`'] = (handler, params, prefix) => handler.charPosAbsolute(params);
+csiStateHandler['a'] = (handler, params, prefix) => handler.HPositionRelative(params);
+csiStateHandler['b'] = (handler, params, prefix) => handler.repeatPrecedingCharacter(params);
+csiStateHandler['c'] = (handler, params, prefix) => handler.sendDeviceAttributes(params);
+csiStateHandler['d'] = (handler, params, prefix) => handler.linePosAbsolute(params);
+csiStateHandler['e'] = (handler, params, prefix) => handler.VPositionRelative(params);
+csiStateHandler['f'] = (handler, params, prefix) => handler.HVPosition(params);
+csiStateHandler['g'] = (handler, params, prefix) => handler.tabClear(params);
+csiStateHandler['h'] = (handler, params, prefix) => handler.setMode(params);
+csiStateHandler['l'] = (handler, params, prefix) => handler.resetMode(params);
+csiStateHandler['m'] = (handler, params, prefix) => handler.charAttributes(params);
+csiStateHandler['n'] = (handler, params, prefix) => handler.deviceStatus(params);
+csiStateHandler['p'] = (handler, params, prefix) => {
+  switch (prefix) {
+    case '!': handler.softReset(params); break;
+  }
+};
+csiStateHandler['q'] = (handler, params, prefix, postfix) => {
+  if (postfix === ' ') {
+    handler.setCursorStyle(params);
+  }
+};
+csiStateHandler['r'] = (handler, params) => handler.setScrollRegion(params);
+csiStateHandler['s'] = (handler, params) => handler.saveCursor(params);
+csiStateHandler['u'] = (handler, params) => handler.restoreCursor(params);
+csiStateHandler[C0.CAN] = (handler, params, prefix, postfix, parser) => parser.setState(ParserState.NORMAL);
+
+export const enum ParserState {
+  NORMAL = 0,
+  ESCAPED = 1,
+  CSI_PARAM = 2,
+  CSI = 3,
+  OSC = 4,
+  CHARSET = 5,
+  DCS = 6,
+  IGNORE = 7
+}
+
+/**
+ * The terminal's parser, all input into the terminal goes through the parser
+ * which parses and defers the actual input handling the the IInputHandler
+ * specified in the constructor.
+ */
+export class Parser {
+  private _state: ParserState;
+  private _position: number;
+
+  // TODO: Remove terminal when handler can do everything
+  constructor(
+    private _inputHandler: IInputHandler,
+    private _terminal: any
+  ) {
+    this._state = ParserState.NORMAL;
+  }
+
+  /**
+   * Parse and handle data.
+   *
+   * @param data The data to parse.
+   */
+  public parse(data: string): ParserState {
+    const l = data.length;
+    let cs;
+    let ch;
+    let code;
+    let low;
+
+    const cursorStartX = this._terminal.buffer.x;
+    const cursorStartY = this._terminal.buffer.y;
+
+    if (this._terminal.debug) {
+      this._terminal.log('data: ' + data);
+    }
+
+    this._position = 0;
+    // apply leftover surrogate high from last write
+    if (this._terminal.surrogate_high) {
+      data = this._terminal.surrogate_high + data;
+      this._terminal.surrogate_high = '';
+    }
+
+    for (; this._position < l; this._position++) {
+      ch = data[this._position];
+
+      // FIXME: higher chars than 0xa0 are not allowed in escape sequences
+      //        --> maybe move to default
+      code = data.charCodeAt(this._position);
+      if (0xD800 <= code && code <= 0xDBFF) {
+        // we got a surrogate high
+        // get surrogate low (next 2 bytes)
+        low = data.charCodeAt(this._position + 1);
+        if (isNaN(low)) {
+          // end of data stream, save surrogate high
+          this._terminal.surrogate_high = ch;
+          continue;
+        }
+        code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;
+        ch += data.charAt(this._position + 1);
+      }
+      // surrogate low - already handled above
+      if (0xDC00 <= code && code <= 0xDFFF) {
+        continue;
+      }
+
+      switch (this._state) {
+        case ParserState.NORMAL:
+          if (ch in normalStateHandler) {
+            normalStateHandler[ch](this, this._inputHandler);
+          } else {
+            this._inputHandler.addChar(ch, code);
+          }
+          break;
+        case ParserState.ESCAPED:
+          if (ch in escapedStateHandler) {
+            escapedStateHandler[ch](this, this._terminal);
+            // Skip switch as it was just handled
+            break;
+          }
+          switch (ch) {
+
+            // ESC (,),*,+,-,. Designate G0-G2 Character Set.
+            case '(': // <-- this seems to get all the attention
+            case ')':
+            case '*':
+            case '+':
+            case '-':
+            case '.':
+              switch (ch) {
+                case '(':
+                  this._terminal.gcharset = 0;
+                  break;
+                case ')':
+                  this._terminal.gcharset = 1;
+                  break;
+                case '*':
+                  this._terminal.gcharset = 2;
+                  break;
+                case '+':
+                  this._terminal.gcharset = 3;
+                  break;
+                case '-':
+                  this._terminal.gcharset = 1;
+                  break;
+                case '.':
+                  this._terminal.gcharset = 2;
+                  break;
+              }
+              this._state = ParserState.CHARSET;
+              break;
+
+            // Designate G3 Character Set (VT300).
+            // A = ISO Latin-1 Supplemental.
+            // Not implemented.
+            case '/':
+              this._terminal.gcharset = 3;
+              this._state = ParserState.CHARSET;
+              this._position--;
+              break;
+
+            // ESC N
+            // Single Shift Select of G2 Character Set
+            // ( SS2 is 0x8e). This affects next character only.
+            case 'N':
+              this._state = ParserState.NORMAL;
+              break;
+            // ESC O
+            // Single Shift Select of G3 Character Set
+            // ( SS3 is 0x8f). This affects next character only.
+            case 'O':
+              this._state = ParserState.NORMAL;
+              break;
+            // ESC n
+            // Invoke the G2 Character Set as GL (LS2).
+            case 'n':
+              this._terminal.setgLevel(2);
+              this._state = ParserState.NORMAL;
+              break;
+            // ESC o
+            // Invoke the G3 Character Set as GL (LS3).
+            case 'o':
+              this._terminal.setgLevel(3);
+              this._state = ParserState.NORMAL;
+              break;
+            // ESC |
+            // Invoke the G3 Character Set as GR (LS3R).
+            case '|':
+              this._terminal.setgLevel(3);
+              this._state = ParserState.NORMAL;
+              break;
+            // ESC }
+            // Invoke the G2 Character Set as GR (LS2R).
+            case '}':
+              this._terminal.setgLevel(2);
+              this._state = ParserState.NORMAL;
+              break;
+            // ESC ~
+            // Invoke the G1 Character Set as GR (LS1R).
+            case '~':
+              this._terminal.setgLevel(1);
+              this._state = ParserState.NORMAL;
+              break;
+
+            // ESC 7 Save Cursor (DECSC).
+            case '7':
+              this._inputHandler.saveCursor();
+              this._state = ParserState.NORMAL;
+              break;
+
+            // ESC 8 Restore Cursor (DECRC).
+            case '8':
+              this._inputHandler.restoreCursor();
+              this._state = ParserState.NORMAL;
+              break;
+
+            // ESC # 3 DEC line height/width
+            case '#':
+              this._state = ParserState.NORMAL;
+              this._position++;
+              break;
+
+            // ESC H Tab Set (HTS is 0x88).
+            case 'H':
+              (<IInputHandlingTerminal>this._terminal).tabSet();
+              this._state = ParserState.NORMAL;
+              break;
+
+            // ESC = Application Keypad (DECKPAM).
+            case '=':
+              this._terminal.log('Serial port requested application keypad.');
+              this._terminal.applicationKeypad = true;
+              if (this._terminal.viewport) {
+                this._terminal.viewport.syncScrollArea();
+              }
+              this._state = ParserState.NORMAL;
+              break;
+
+            // ESC > Normal Keypad (DECKPNM).
+            case '>':
+              this._terminal.log('Switching back to normal keypad.');
+              this._terminal.applicationKeypad = false;
+              if (this._terminal.viewport) {
+                this._terminal.viewport.syncScrollArea();
+              }
+              this._state = ParserState.NORMAL;
+              break;
+
+            default:
+              this._state = ParserState.NORMAL;
+              this._terminal.error('Unknown ESC control: %s.', ch);
+              break;
+          }
+          break;
+
+        case ParserState.CHARSET:
+          if (ch in CHARSETS) {
+            cs = CHARSETS[ch];
+            if (ch === '/') { // ISOLatin is actually /A
+              this.skipNextChar();
+            }
+          } else {
+            cs = DEFAULT_CHARSET;
+          }
+          this._terminal.setgCharset(this._terminal.gcharset, cs);
+          this._terminal.gcharset = null;
+          this._state = ParserState.NORMAL;
+          break;
+
+        case ParserState.OSC:
+          // OSC Ps ; Pt ST
+          // OSC Ps ; Pt BEL
+          //   Set Text Parameters.
+          if (ch === C0.ESC || ch === C0.BEL) {
+            if (ch === C0.ESC) this._position++;
+
+            this._terminal.params.push(this._terminal.currentParam);
+
+            switch (this._terminal.params[0]) {
+              case 0:
+              case 1:
+              case 2:
+                if (this._terminal.params[1]) {
+                  this._terminal.title = this._terminal.params[1];
+                  this._terminal.handleTitle(this._terminal.title);
+                }
+                break;
+              case 3:
+                // set X property
+                break;
+              case 4:
+              case 5:
+                // change dynamic colors
+                break;
+              case 10:
+              case 11:
+              case 12:
+              case 13:
+              case 14:
+              case 15:
+              case 16:
+              case 17:
+              case 18:
+              case 19:
+                // change dynamic ui colors
+                break;
+              case 46:
+                // change log file
+                break;
+              case 50:
+                // dynamic font
+                break;
+              case 51:
+                // emacs shell
+                break;
+              case 52:
+                // manipulate selection data
+                break;
+              case 104:
+              case 105:
+              case 110:
+              case 111:
+              case 112:
+              case 113:
+              case 114:
+              case 115:
+              case 116:
+              case 117:
+              case 118:
+                // reset colors
+                break;
+            }
+
+            this._terminal.params = [];
+            this._terminal.currentParam = 0;
+            this._state = ParserState.NORMAL;
+          } else {
+            if (!this._terminal.params.length) {
+              if (ch >= '0' && ch <= '9') {
+                this._terminal.currentParam =
+                  this._terminal.currentParam * 10 + ch.charCodeAt(0) - 48;
+              } else if (ch === ';') {
+                this._terminal.params.push(this._terminal.currentParam);
+                this._terminal.currentParam = '';
+              }
+            } else {
+              this._terminal.currentParam += ch;
+            }
+          }
+          break;
+
+        case ParserState.CSI_PARAM:
+          if (ch in csiParamStateHandler) {
+            csiParamStateHandler[ch](this);
+            break;
+          }
+          this.finalizeParam();
+          // Fall through the CSI as this character should be the CSI code.
+          this._state = ParserState.CSI;
+
+        case ParserState.CSI:
+          if (ch in csiStateHandler) {
+            if (this._terminal.debug) {
+              this._terminal.log(`CSI ${this._terminal.prefix ? this._terminal.prefix : ''} ${this._terminal.params ? this._terminal.params.join(';') : ''} ${this._terminal.postfix ? this._terminal.postfix : ''} ${ch}`);
+            }
+            csiStateHandler[ch](this._inputHandler, this._terminal.params, this._terminal.prefix, this._terminal.postfix, this);
+          } else {
+            this._terminal.error('Unknown CSI code: %s.', ch);
+          }
+
+          this._state = ParserState.NORMAL;
+          this._terminal.prefix = '';
+          this._terminal.postfix = '';
+          break;
+
+        case ParserState.DCS:
+          if (ch === C0.ESC || ch === C0.BEL) {
+            if (ch === C0.ESC) this._position++;
+            let pt;
+            let valid: boolean;
+
+            switch (this._terminal.prefix) {
+              // User-Defined Keys (DECUDK).
+              case '':
+                break;
+
+              // Request Status String (DECRQSS).
+              // test: echo -e '\eP$q"p\e\\'
+              case '$q':
+                pt = this._terminal.currentParam;
+                valid = false;
+
+                switch (pt) {
+                  // DECSCA
+                  case '"q':
+                    pt = '0"q';
+                    break;
+
+                  // DECSCL
+                  case '"p':
+                    pt = '61"p';
+                    break;
+
+                  // DECSTBM
+                  case 'r':
+                    pt = ''
+                      + (this._terminal.buffer.scrollTop + 1)
+                      + ';'
+                      + (this._terminal.buffer.scrollBottom + 1)
+                      + 'r';
+                    break;
+
+                  // SGR
+                  case 'm':
+                    pt = '0m';
+                    break;
+
+                  default:
+                    this._terminal.error('Unknown DCS Pt: %s.', pt);
+                    pt = '';
+                    break;
+                }
+
+                this._terminal.send(C0.ESC + 'P' + +valid + '$r' + pt + C0.ESC + '\\');
+                break;
+
+              // Set Termcap/Terminfo Data (xterm, experimental).
+              case '+p':
+                break;
+
+              // Request Termcap/Terminfo String (xterm, experimental)
+              // Regular xterm does not even respond to this sequence.
+              // This can cause a small glitch in vim.
+              // test: echo -ne '\eP+q6b64\e\\'
+              case '+q':
+                pt = this._terminal.currentParam;
+                valid = false;
+
+                this._terminal.send(C0.ESC + 'P' + +valid + '+r' + pt + C0.ESC + '\\');
+                break;
+
+              default:
+                this._terminal.error('Unknown DCS prefix: %s.', this._terminal.prefix);
+                break;
+            }
+
+            this._terminal.currentParam = 0;
+            this._terminal.prefix = '';
+            this._state = ParserState.NORMAL;
+          } else if (!this._terminal.currentParam) {
+            if (!this._terminal.prefix && ch !== '$' && ch !== '+') {
+              this._terminal.currentParam = ch;
+            } else if (this._terminal.prefix.length === 2) {
+              this._terminal.currentParam = ch;
+            } else {
+              this._terminal.prefix += ch;
+            }
+          } else {
+            this._terminal.currentParam += ch;
+          }
+          break;
+
+        case ParserState.IGNORE:
+          // For PM and APC.
+          if (ch === C0.ESC || ch === C0.BEL) {
+            if (ch === C0.ESC) this._position++;
+            this._state = ParserState.NORMAL;
+          }
+          break;
+      }
+    }
+
+    // Fire the cursormove event if it's moved. This is done inside the parser
+    // as a render cannot happen in the middle of a parsing round.
+    if (this._terminal.buffer.x !== cursorStartX || this._terminal.buffer.y !== cursorStartY) {
+      this._terminal.emit('cursormove');
+    }
+
+    return this._state;
+  }
+
+  /**
+   * Set the parser's current parsing state.
+   *
+   * @param state The new state.
+   */
+  public setState(state: ParserState): void {
+    this._state = state;
+  }
+
+  /**
+   * Sets the parsier's current prefix. CSI codes can have prefixes of '?', '>'
+   * or '!'.
+   *
+   * @param prefix The prefix.
+   */
+  public setPrefix(prefix: string): void {
+    this._terminal.prefix = prefix;
+  }
+
+  /**
+   * Sets the parsier's current prefix. CSI codes can have postfixes of '$',
+   * '"', ' ', '\''.
+   *
+   * @param postfix The postfix.
+   */
+  public setPostfix(postfix: string): void {
+    this._terminal.postfix = postfix;
+  }
+
+  /**
+   * Sets the parser's current parameter.
+   *
+   * @param param the parameter.
+   */
+  public setParam(param: number): void {
+    this._terminal.currentParam = param;
+  }
+
+  /**
+   * Gets the parser's current parameter.
+   */
+  public getParam(): number {
+    return this._terminal.currentParam;
+  }
+
+  /**
+   * Finalizes the parser's current parameter, adding it to the list of
+   * parameters and setting the new current parameter to 0.
+   */
+  public finalizeParam(): void {
+    this._terminal.params.push(this._terminal.currentParam);
+    this._terminal.currentParam = 0;
+  }
+
+  /**
+   * Tell the parser to skip the next character.
+   */
+  public skipNextChar(): void {
+    this._position++;
+  }
+
+  /**
+   * Tell the parser to repeat parsing the current character (for example if it
+   * needs parsing using a different state.
+   */
+  // public repeatChar(): void {
+  //   this._position--;
+  // }
+}
@@ -4,13 +4,12 @@
 */

 import { assert } from 'chai';
-import { CharMeasure } from './ui/CharMeasure';
-import { SelectionManager, SelectionMode } from './SelectionManager';
+import { CharMeasure } from './utils/CharMeasure';
+import { SelectionManager } from './SelectionManager';
 import { SelectionModel } from './SelectionModel';
 import { BufferSet } from './BufferSet';
-import { ITerminal, IBuffer, IBufferLine } from './Types';
-import { MockTerminal } from './ui/TestUtils.test';
-import { BufferLine } from './BufferLine';
+import { LineData, CharData, ITerminal, IBuffer } from './Types';
+import { MockTerminal } from './utils/TestUtils.test';

 class TestMockTerminal extends MockTerminal {
  emit(event: string, data: any): void {}
@@ -26,11 +25,8 @@ class TestSelectionManager extends SelectionManager {

  public get model(): SelectionModel { return this._model; }

-  public set selectionMode(mode: SelectionMode) { this._activeSelectionMode = mode; }
-
  public selectLineAt(line: number): void { this._selectLineAt(line); }
  public selectWordAt(coords: [number, number]): void { this._selectWordAt(coords, true); }
-  public areCoordsInSelection(coords: [number, number], start: [number, number], end: [number, number]): boolean { return this._areCoordsInSelection(coords, start, end); }

  // Disable DOM interaction
  public enable(): void {}
@@ -45,8 +41,8 @@ describe('SelectionManager', () => {

  beforeEach(() => {
    terminal = new TestMockTerminal();
-    (terminal as any).cols = 80;
-    (terminal as any).rows = 2;
+    terminal.cols = 80;
+    terminal.rows = 2;
    terminal.options.scrollback = 100;
    terminal.buffers = new BufferSet(terminal);
    terminal.buffer = terminal.buffers.active;
@@ -54,18 +50,16 @@ describe('SelectionManager', () => {
    selectionManager = new TestSelectionManager(terminal, null);
  });

-  function stringToRow(text: string): IBufferLine {
-    const result = new BufferLine(text.length);
+  function stringToRow(text: string): LineData {
+    let result: LineData = [];
    for (let i = 0; i < text.length; i++) {
-      result.set(i, [0, text.charAt(i), 1, text.charCodeAt(i)]);
+      result.push([0, text.charAt(i), 1, text.charCodeAt(i)]);
    }
    return result;
  }

-  function stringArrayToRow(chars: string[]): IBufferLine {
-    const line = new BufferLine(chars.length);
-    chars.map((c, idx) => line.set(idx, [0, c, 1, c.charCodeAt(0)]));
-    return line;
+  function stringArrayToRow(chars: string[]): LineData {
+    return chars.map(c => <CharData>[0, c, 1, c.charCodeAt(0)]);
  }

  describe('_selectWordAt', () => {
@@ -101,7 +95,7 @@ describe('SelectionManager', () => {
    });
    it('should expand selection for wide characters', () => {
      // Wide characters use a special format
-      const data: [number, string, number, number][] = [
+      buffer.lines.set(0, [
        [null, '中', 2, '中'.charCodeAt(0)],
        [null, '', 0, null],
        [null, '文', 2, '文'.charCodeAt(0)],
@@ -117,10 +111,7 @@ describe('SelectionManager', () => {
        [null, 'f', 1, 'f'.charCodeAt(0)],
        [null, 'o', 1, 'o'.charCodeAt(0)],
        [null, 'o', 1, 'o'.charCodeAt(0)]
-      ];
-      const line = new BufferLine(data.length);
-      for (let i = 0; i < data.length; ++i) line.set(i, data[i]);
-      buffer.lines.set(0, line);
+      ]);
      // Ensure wide characters take up 2 columns
      selectionManager.selectWordAt([0, 0]);
      assert.equal(selectionManager.selectionText, '中文');
@@ -190,42 +181,6 @@ describe('SelectionManager', () => {
      selectionManager.selectWordAt([15, 0]);
      assert.equal(selectionManager.selectionText, 'ij"');
    });
-    it('should expand upwards or downards for wrapped lines', () => {
-      buffer.lines.set(0, stringToRow('                                                                             foo'));
-      buffer.lines.set(1, stringToRow('bar                                                                             '));
-      buffer.lines.get(1).isWrapped = true;
-      selectionManager.selectWordAt([1, 1]);
-      assert.equal(selectionManager.selectionText, 'foobar');
-      selectionManager.model.clearSelection();
-      selectionManager.selectWordAt([78, 0]);
-      assert.equal(selectionManager.selectionText, 'foobar');
-    });
-    it('should expand both upwards and downwards for word wrapped over many lines', () => {
-      const expectedText = 'fooaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccbar';
-      buffer.lines.set(0, stringToRow('                                                                             foo'));
-      buffer.lines.set(1, stringToRow('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'));
-      buffer.lines.set(2, stringToRow('bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb'));
-      buffer.lines.set(3, stringToRow('cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc'));
-      buffer.lines.set(4, stringToRow('bar                                                                             '));
-      buffer.lines.get(1).isWrapped = true;
-      buffer.lines.get(2).isWrapped = true;
-      buffer.lines.get(3).isWrapped = true;
-      buffer.lines.get(4).isWrapped = true;
-      selectionManager.selectWordAt([78, 0]);
-      assert.equal(selectionManager.selectionText, expectedText);
-      selectionManager.model.clearSelection();
-      selectionManager.selectWordAt([40, 1]);
-      assert.equal(selectionManager.selectionText, expectedText);
-      selectionManager.model.clearSelection();
-      selectionManager.selectWordAt([40, 2]);
-      assert.equal(selectionManager.selectionText, expectedText);
-      selectionManager.model.clearSelection();
-      selectionManager.selectWordAt([40, 3]);
-      assert.equal(selectionManager.selectionText, expectedText);
-      selectionManager.model.clearSelection();
-      selectionManager.selectWordAt([1, 4]);
-      assert.equal(selectionManager.selectionText, expectedText);
-    });
    describe('emoji', () => {
      it('should treat a single emoji as a word when wrapped in spaces', () => {
        buffer.lines.set(0, stringToRow(' ⚽ a')); // The a is here to prevent the space being trimmed in selectionText
@@ -343,16 +298,6 @@ describe('SelectionManager', () => {
      assert.deepEqual(selectionManager.model.finalSelectionStart, [0, 0]);
      assert.deepEqual(selectionManager.model.finalSelectionEnd, [terminal.cols, 0], 'The actual selection spans the entire column');
    });
-    it('should select the entire wrapped line', () => {
-      buffer.lines.set(0, stringToRow('foo'));
-      const line2 = stringToRow('bar');
-      line2.isWrapped = true;
-      buffer.lines.set(1, line2);
-      selectionManager.selectLineAt(0);
-      assert.equal(selectionManager.selectionText, 'foobar', 'The selected text is correct');
-      assert.deepEqual(selectionManager.model.finalSelectionStart, [0, 0]);
-      assert.deepEqual(selectionManager.model.finalSelectionEnd, [terminal.cols, 1], 'The actual selection spans the entire column');
-    });
  });

  describe('selectAll', () => {
@@ -423,73 +368,4 @@ describe('SelectionManager', () => {
      assert.equal(selectionManager.hasSelection, true);
    });
  });
-
-  describe('column selection', () => {
-    it('should select a column of text', () => {
-      buffer.lines.length = 3;
-      buffer.lines.set(0, stringToRow('abcdefghij'));
-      buffer.lines.set(1, stringToRow('klmnopqrst'));
-      buffer.lines.set(2, stringToRow('uvwxyz'));
-
-      selectionManager.selectionMode = SelectionMode.COLUMN;
-      selectionManager.model.selectionStart = [2, 0];
-      selectionManager.model.selectionEnd = [4, 2];
-
-      assert.equal(selectionManager.selectionText, 'cd\nmn\nwx');
-    });
-
-    it('should select a column of text without chopping up double width characters', () => {
-      buffer.lines.length = 3;
-      buffer.lines.set(0, stringToRow('a'));
-      buffer.lines.set(1, stringToRow('語'));
-      buffer.lines.set(2, stringToRow('b'));
-
-      selectionManager.selectionMode = SelectionMode.COLUMN;
-      selectionManager.model.selectionStart = [0, 0];
-      selectionManager.model.selectionEnd = [1, 2];
-
-      assert.equal(selectionManager.selectionText, 'a\n語\nb');
-    });
-
-    it('should select a column of text with single character emojis', () => {
-      buffer.lines.length = 3;
-      buffer.lines.set(0, stringToRow('a'));
-      buffer.lines.set(1, stringToRow('☃'));
-      buffer.lines.set(2, stringToRow('c'));
-
-      selectionManager.selectionMode = SelectionMode.COLUMN;
-      selectionManager.model.selectionStart = [0, 0];
-      selectionManager.model.selectionEnd = [1, 2];
-
-      assert.equal(selectionManager.selectionText, 'a\n☃\nc');
-    });
-
-    it('should select a column of text with double character emojis', () => {
-      // TODO the case this is testing works for me in the demo webapp,
-      // but doing it programmatically fails.
-      buffer.lines.length = 3;
-      buffer.lines.set(0, stringToRow('a '));
-      buffer.lines.set(1, stringArrayToRow(['😁', ' ']));
-      buffer.lines.set(2, stringToRow('c '));
-
-      selectionManager.selectionMode = SelectionMode.COLUMN;
-      selectionManager.model.selectionStart = [0, 0];
-      selectionManager.model.selectionEnd = [1, 2];
-
-      assert.equal(selectionManager.selectionText, 'a\n😁\nc');
-    });
-  });
-
-  describe('_areCoordsInSelection', () => {
-    it('should return whether coords are in the selection', () => {
-      assert.isFalse(selectionManager.areCoordsInSelection([0, 0], [2, 0], [2, 1]));
-      assert.isFalse(selectionManager.areCoordsInSelection([1, 0], [2, 0], [2, 1]));
-      assert.isTrue(selectionManager.areCoordsInSelection([2, 0], [2, 0], [2, 1]));
-      assert.isTrue(selectionManager.areCoordsInSelection([10, 0], [2, 0], [2, 1]));
-      assert.isTrue(selectionManager.areCoordsInSelection([0, 1], [2, 0], [2, 1]));
-      assert.isTrue(selectionManager.areCoordsInSelection([1, 1], [2, 0], [2, 1]));
-      assert.isFalse(selectionManager.areCoordsInSelection([2, 1], [2, 0], [2, 1]));
-    });
-  });
 });
-
@@ -3,14 +3,13 @@
 * @license MIT
 */

-import { ITerminal, ISelectionManager, IBuffer, CharData, IBufferLine } from './Types';
-import { XtermListener } from './common/Types';
-import { MouseHelper } from './ui/MouseHelper';
-import * as Browser from './core/Platform';
-import { CharMeasure } from './ui/CharMeasure';
-import { EventEmitter } from './common/EventEmitter';
+import { ITerminal, ISelectionManager, IBuffer, CharData, XtermListener } from './Types';
+import { MouseHelper } from './utils/MouseHelper';
+import * as Browser from './shared/utils/Browser';
+import { CharMeasure } from './utils/CharMeasure';
+import { EventEmitter } from './EventEmitter';
 import { SelectionModel } from './SelectionModel';
-import { CHAR_DATA_WIDTH_INDEX, CHAR_DATA_CHAR_INDEX, CHAR_DATA_CODE_INDEX } from './Buffer';
+import { CHAR_DATA_WIDTH_INDEX, CHAR_DATA_CHAR_INDEX } from './Buffer';
 import { AltClickHandler } from './handlers/AltClickHandler';

 /**
@@ -55,11 +54,10 @@ interface IWordPosition {
 /**
 * A selection mode, this drives how the selection behaves on mouse move.
 */
-export const enum SelectionMode {
+const enum SelectionMode {
  NORMAL,
  WORD,
-  LINE,
-  COLUMN
+  LINE
 }

 /**
@@ -82,7 +80,7 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
  /**
   * The current selection mode.
   */
-  protected _activeSelectionMode: SelectionMode;
+  private _activeSelectionMode: SelectionMode;

  /**
   * A setInterval timer that is active while the mouse is down whose callback
@@ -118,11 +116,6 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
    this._activeSelectionMode = SelectionMode.NORMAL;
  }

-  public dispose(): void {
-    super.dispose();
-    this._removeMouseDownListeners();
-  }
-
  private get _buffer(): IBuffer {
    return this._terminal.buffers.active;
  }
@@ -184,43 +177,30 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
      return '';
    }

-    const result: string[] = [];
+    // Get first row
+    const startRowEndCol = start[1] === end[1] ? end[0] : null;
+    let result: string[] = [];
+    result.push(this._buffer.translateBufferLineToString(start[1], true, start[0], startRowEndCol));

-    if (this._activeSelectionMode === SelectionMode.COLUMN) {
-      // Ignore zero width selections
-      if (start[0] === end[0]) {
-        return '';
-      }
-
-      for (let i = start[1]; i <= end[1]; i++) {
-        const lineText = this._buffer.translateBufferLineToString(i, true, start[0], end[0]);
+    // Get middle rows
+    for (let i = start[1] + 1; i <= end[1] - 1; i++) {
+      const bufferLine = this._buffer.lines.get(i);
+      const lineText = this._buffer.translateBufferLineToString(i, true);
+      if ((<any>bufferLine).isWrapped) {
+        result[result.length - 1] += lineText;
+      } else {
        result.push(lineText);
      }
-    } else {
-      // Get first row
-      const startRowEndCol = start[1] === end[1] ? end[0] : undefined;
-      result.push(this._buffer.translateBufferLineToString(start[1], true, start[0], startRowEndCol));
+    }

-      // Get middle rows
-      for (let i = start[1] + 1; i <= end[1] - 1; i++) {
-        const bufferLine = this._buffer.lines.get(i);
-        const lineText = this._buffer.translateBufferLineToString(i, true);
-        if (bufferLine.isWrapped) {
-          result[result.length - 1] += lineText;
-        } else {
-          result.push(lineText);
-        }
-      }
-
-      // Get final row
-      if (start[1] !== end[1]) {
-        const bufferLine = this._buffer.lines.get(end[1]);
-        const lineText = this._buffer.translateBufferLineToString(end[1], true, 0, end[0]);
-        if (bufferLine.isWrapped) {
-          result[result.length - 1] += lineText;
-        } else {
-          result.push(lineText);
-        }
+    // Get final row
+    if (start[1] !== end[1]) {
+      const bufferLine = this._buffer.lines.get(end[1]);
+      const lineText = this._buffer.translateBufferLineToString(end[1], true, 0, end[0]);
+      if ((<any>bufferLine).isWrapped) {
+        result[result.length - 1] += lineText;
+      } else {
+        result.push(lineText);
      }
    }

@@ -269,11 +249,7 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
   */
  private _refresh(): void {
    this._refreshAnimationFrame = null;
-    this.emit('refresh', {
-      start: this._model.finalSelectionStart,
-      end: this._model.finalSelectionEnd,
-      columnSelectMode: this._activeSelectionMode === SelectionMode.COLUMN
-    });
+    this.emit('refresh', { start: this._model.finalSelectionStart, end: this._model.finalSelectionEnd });
  }

  /**
@@ -289,14 +265,9 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
      return false;
    }

-    return this._areCoordsInSelection(coords, start, end);
-  }
-
-  protected _areCoordsInSelection(coords: [number, number], start: [number, number], end: [number, number]): boolean {
    return (coords[1] > start[1] && coords[1] < end[1]) ||
-        (start[1] === end[1] && coords[1] === start[1] && coords[0] >= start[0] && coords[0] < end[0]) ||
-        (start[1] < end[1] && coords[1] === end[1] && coords[0] < end[0]) ||
-        (start[1] < end[1] && coords[1] === start[1] && coords[0] >= start[0]);
+        (start[1] === end[1] && coords[1] === start[1] && coords[0] > start[0] && coords[0] < end[0]) ||
+        (start[1] < end[1] && coords[1] === end[1] && coords[0] < end[0]);
  }

  /**
@@ -347,7 +318,7 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
   * @param event The mouse event.
   */
  private _getMouseBufferCoords(event: MouseEvent): [number, number] {
-    const coords = this._terminal.mouseHelper.getCoords(event, this._terminal.screenElement, this._charMeasure, this._terminal.cols, this._terminal.rows, true);
+    const coords = this._terminal.mouseHelper.getCoords(event, this._terminal.screenElement, this._charMeasure, this._terminal.options.lineHeight, this._terminal.cols, this._terminal.rows, true);
    if (!coords) {
      return null;
    }
@@ -387,11 +358,7 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
   * @param event The mouse event.
   */
  public shouldForceSelection(event: MouseEvent): boolean {
-    if (Browser.isMac) {
-      return event.altKey && this._terminal.options.macOptionClickForcesSelection;
-    }
-
-    return event.shiftKey;
+    return Browser.isMac ? event.altKey : event.shiftKey;
  }

  /**
@@ -457,10 +424,8 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
   * Removes the listeners that are registered when mousedown is triggered.
   */
  private _removeMouseDownListeners(): void {
-    if (this._terminal.element.ownerDocument) {
-      this._terminal.element.ownerDocument.removeEventListener('mousemove', this._mouseMoveListener);
-      this._terminal.element.ownerDocument.removeEventListener('mouseup', this._mouseUpListener);
-    }
+    this._terminal.element.ownerDocument.removeEventListener('mousemove', this._mouseMoveListener);
+    this._terminal.element.ownerDocument.removeEventListener('mouseup', this._mouseUpListener);
    clearInterval(this._dragScrollIntervalTimer);
    this._dragScrollIntervalTimer = null;
  }
@@ -484,7 +449,7 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
  private _onSingleClick(event: MouseEvent): void {
    this._model.selectionStartLength = 0;
    this._model.isSelectAllActive = false;
-    this._activeSelectionMode = this.shouldColumnSelect(event) ? SelectionMode.COLUMN : SelectionMode.NORMAL;
+    this._activeSelectionMode = SelectionMode.NORMAL;

    // Initialize the new selection
    this._model.selectionStart = this._getMouseBufferCoords(event);
@@ -506,7 +471,7 @@ export class SelectionManager extends EventEmitter implements ISelectionManager

    // If the mouse is over the second half of a wide character, adjust the
    // selection to cover the whole character
-    const char = line.get(this._model.selectionStart[0]);
+    const char = line[this._model.selectionStart[0]];
    if (char[CHAR_DATA_WIDTH_INDEX] === 0) {
      this._model.selectionStart[0]++;
    }
@@ -537,14 +502,6 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
    }
  }

-  /**
-   * Returns whether the selection manager should operate in column select mode
-   * @param event the mouse or keyboard event
-   */
-  public shouldColumnSelect(event: KeyboardEvent | MouseEvent): boolean {
-    return event.altKey && !(Browser.isMac && this._terminal.options.macOptionClickForcesSelection);
-  }
-
  /**
   * Handles the mousemove event when the mouse button is down, recording the
   * end of the selection and refreshing the selection.
@@ -552,7 +509,7 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
   */
  private _onMouseMove(event: MouseEvent): void {
    // If the mousemove listener is active it means that a selection is
-    // currently being made, we should stop propagation to prevent mouse events
+    // currently being made, we should stop propogation to prevent mouse events
    // to be sent to the pty.
    event.stopImmediatePropagation();

@@ -582,21 +539,18 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
    this._dragScrollAmount = this._getMouseEventScrollAmount(event);

    // If the cursor was above or below the viewport, make sure it's at the
-    // start or end of the viewport respectively. This should only happen when
-    // NOT in column select mode.
-    if (this._activeSelectionMode !== SelectionMode.COLUMN) {
-      if (this._dragScrollAmount > 0) {
-        this._model.selectionEnd[0] = this._terminal.cols;
-      } else if (this._dragScrollAmount < 0) {
-        this._model.selectionEnd[0] = 0;
-      }
+    // start or end of the viewport respectively.
+    if (this._dragScrollAmount > 0) {
+      this._model.selectionEnd[0] = this._terminal.cols;
+    } else if (this._dragScrollAmount < 0) {
+      this._model.selectionEnd[0] = 0;
    }

    // If the character is a wide character include the cell to the right in the
    // selection. Note that selections at the very end of the line will never
    // have a character.
    if (this._model.selectionEnd[1] < this._buffer.lines.length) {
-      const char = this._buffer.lines.get(this._model.selectionEnd[1]).get(this._model.selectionEnd[0]);
+      const char = this._buffer.lines.get(this._model.selectionEnd[1])[this._model.selectionEnd[0]];
      if (char && char[CHAR_DATA_WIDTH_INDEX] === 0) {
        this._model.selectionEnd[0]++;
      }
@@ -618,19 +572,10 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
    if (this._dragScrollAmount) {
      this._terminal.scrollLines(this._dragScrollAmount, false);
      // Re-evaluate selection
-      // If the cursor was above or below the viewport, make sure it's at the
-      // start or end of the viewport respectively. This should only happen when
-      // NOT in column select mode.
      if (this._dragScrollAmount > 0) {
-        if (this._activeSelectionMode !== SelectionMode.COLUMN) {
-          this._model.selectionEnd[0] = this._terminal.cols;
-        }
-        this._model.selectionEnd[1] = Math.min(this._terminal.buffer.ydisp + this._terminal.rows, this._terminal.buffer.lines.length - 1);
+        this._model.selectionEnd = [this._terminal.cols - 1, Math.min(this._terminal.buffer.ydisp + this._terminal.rows, this._terminal.buffer.lines.length - 1)];
      } else {
-        if (this._activeSelectionMode !== SelectionMode.COLUMN) {
-          this._model.selectionEnd[0] = 0;
-        }
-        this._model.selectionEnd[1] = this._terminal.buffer.ydisp;
+        this._model.selectionEnd = [0, this._terminal.buffer.ydisp];
      }
      this.refresh();
    }
@@ -641,7 +586,7 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
   * @param event The mouseup event.
   */
  private _onMouseUp(event: MouseEvent): void {
-    const timeElapsed = event.timeStamp - this._mouseDownTimeStamp;
+    let timeElapsed = event.timeStamp - this._mouseDownTimeStamp;

    this._removeMouseDownListeners();

@@ -667,10 +612,10 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
   * latter takes into account wide characters.
   * @param coords The coordinates to find the 2 index for.
   */
-  private _convertViewportColToCharacterIndex(bufferLine: IBufferLine, coords: [number, number]): number {
+  private _convertViewportColToCharacterIndex(bufferLine: any, coords: [number, number]): number {
    let charIndex = coords[0];
    for (let i = 0; coords[0] >= i; i++) {
-      const char = bufferLine.get(i);
+      const char = bufferLine[i];
      if (char[CHAR_DATA_WIDTH_INDEX] === 0) {
        // Wide characters aren't included in the line string so decrement the
        // index so the index is back on the wide character.
@@ -697,7 +642,7 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
   * Gets positional information for the word at the coordinated specified.
   * @param coords The coordinates to get the word at.
   */
-  private _getWordAt(coords: [number, number], allowWhitespaceOnlySelection: boolean, followWrappedLinesAbove: boolean = true, followWrappedLinesBelow: boolean = true): IWordPosition {
+  private _getWordAt(coords: [number, number], allowWhitespaceOnlySelection: boolean): IWordPosition {
    // Ensure coords are within viewport (eg. not within scroll bar)
    if (coords[0] >= this._terminal.cols) {
      return null;
@@ -739,24 +684,24 @@ export class SelectionManager extends EventEmitter implements ISelectionManager

      // Consider the initial position, skip it and increment the wide char
      // variable
-      if (bufferLine.get(startCol)[CHAR_DATA_WIDTH_INDEX] === 0) {
+      if (bufferLine[startCol][CHAR_DATA_WIDTH_INDEX] === 0) {
        leftWideCharCount++;
        startCol--;
      }
-      if (bufferLine.get(endCol)[CHAR_DATA_WIDTH_INDEX] === 2) {
+      if (bufferLine[endCol][CHAR_DATA_WIDTH_INDEX] === 2) {
        rightWideCharCount++;
        endCol++;
      }

      // Adjust the end index for characters whose length are > 1 (emojis)
-      if (bufferLine.get(endCol)[CHAR_DATA_CHAR_INDEX].length > 1) {
-        rightLongCharOffset += bufferLine.get(endCol)[CHAR_DATA_CHAR_INDEX].length - 1;
-        endIndex += bufferLine.get(endCol)[CHAR_DATA_CHAR_INDEX].length - 1;
+      if (bufferLine[endCol][CHAR_DATA_CHAR_INDEX].length > 1) {
+        rightLongCharOffset += bufferLine[endCol][CHAR_DATA_CHAR_INDEX].length - 1;
+        endIndex += bufferLine[endCol][CHAR_DATA_CHAR_INDEX].length - 1;
      }

      // Expand the string in both directions until a space is hit
-      while (startCol > 0 && startIndex > 0 && !this._isCharWordSeparator(bufferLine.get(startCol - 1))) {
-        const char = bufferLine.get(startCol - 1);
+      while (startCol > 0 && startIndex > 0 && !this._isCharWordSeparator(bufferLine[startCol - 1])) {
+        const char = bufferLine[startCol - 1];
        if (char[CHAR_DATA_WIDTH_INDEX] === 0) {
          // If the next character is a wide char, record it and skip the column
          leftWideCharCount++;
@@ -770,8 +715,8 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
        startIndex--;
        startCol--;
      }
-      while (endCol < bufferLine.length && endIndex + 1 < line.length && !this._isCharWordSeparator(bufferLine.get(endCol + 1))) {
-        const char = bufferLine.get(endCol + 1);
+      while (endCol < bufferLine.length && endIndex + 1 < line.length && !this._isCharWordSeparator(bufferLine[endCol + 1])) {
+        const char = bufferLine[endCol + 1];
        if (char[CHAR_DATA_WIDTH_INDEX] === 2) {
          // If the next character is a wide char, record it and skip the column
          rightWideCharCount++;
@@ -792,7 +737,7 @@ export class SelectionManager extends EventEmitter implements ISelectionManager

    // Calculate the start _column_, converting the the string indexes back to
    // column coordinates.
-    let start =
+    const start =
        startIndex // The index of the selection's start char in the line string
        + charOffset // The difference between the initial char's column and index
        - leftWideCharCount // The number of wide chars left of the initial char
@@ -800,7 +745,7 @@ export class SelectionManager extends EventEmitter implements ISelectionManager

    // Calculate the length in _columns_, converting the the string indexes back
    // to column coordinates.
-    let length = Math.min(this._terminal.cols, // Disallow lengths larger than the terminal cols
+    const length = Math.min(this._terminal.cols, // Disallow lengths larger than the terminal cols
        endIndex // The index of the selection's end char in the line string
        - startIndex // The index of the selection's start char in the line string
        + leftWideCharCount // The number of wide chars left of the initial char
@@ -812,34 +757,6 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
      return null;
    }

-    // Recurse upwards if the line is wrapped and the word wraps to the above line
-    if (followWrappedLinesAbove) {
-      if (start === 0 && bufferLine.get(0)[CHAR_DATA_CODE_INDEX] !== 32 /*' '*/) {
-        const previousBufferLine = this._buffer.lines.get(coords[1] - 1);
-        if (previousBufferLine && bufferLine.isWrapped && previousBufferLine.get(this._terminal.cols - 1)[CHAR_DATA_CODE_INDEX] !== 32 /*' '*/) {
-          const previousLineWordPosition = this._getWordAt([this._terminal.cols - 1, coords[1] - 1], false, true, false);
-          if (previousLineWordPosition) {
-            const offset = this._terminal.cols - previousLineWordPosition.start;
-            start -= offset;
-            length += offset;
-          }
-        }
-      }
-    }
-
-    // Recurse downwards if the line is wrapped and the word wraps to the next line
-    if (followWrappedLinesBelow) {
-      if (start + length === this._terminal.cols && bufferLine.get(this._terminal.cols - 1)[CHAR_DATA_CODE_INDEX] !== 32 /*' '*/) {
-        const nextBufferLine = this._buffer.lines.get(coords[1] + 1);
-        if (nextBufferLine && nextBufferLine.isWrapped && nextBufferLine.get(0)[CHAR_DATA_CODE_INDEX] !== 32 /*' '*/) {
-          const nextLineWordPosition = this._getWordAt([0, coords[1] + 1], false, false, true);
-          if (nextLineWordPosition) {
-            length += nextLineWordPosition.length;
-          }
-        }
-      }
-    }
-
    return { start, length };
  }

@@ -851,11 +768,6 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
  protected _selectWordAt(coords: [number, number], allowWhitespaceOnlySelection: boolean): void {
    const wordPosition = this._getWordAt(coords, allowWhitespaceOnlySelection);
    if (wordPosition) {
-      // Adjust negative start value
-      while (wordPosition.start < 0) {
-        wordPosition.start += this._terminal.cols;
-        coords[1]--;
-      }
      this._model.selectionStart = [wordPosition.start, coords[1]];
      this._model.selectionStartLength = wordPosition.length;
    }
@@ -868,24 +780,7 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
  private _selectToWordAt(coords: [number, number]): void {
    const wordPosition = this._getWordAt(coords, true);
    if (wordPosition) {
-      let endRow = coords[1];
-
-      // Adjust negative start value
-      while (wordPosition.start < 0) {
-        wordPosition.start += this._terminal.cols;
-        endRow--;
-      }
-
-      // Adjust wrapped length value, this only needs to happen when values are reversed as in that
-      // case we're interested in the start of the word, not the end
-      if (!this._model.areSelectionValuesReversed()) {
-        while (wordPosition.start + wordPosition.length > this._terminal.cols) {
-          wordPosition.length -= this._terminal.cols;
-          endRow++;
-        }
-      }
-
-      this._model.selectionEnd = [this._model.areSelectionValuesReversed() ? wordPosition.start : wordPosition.start + wordPosition.length, endRow];
+      this._model.selectionEnd = [this._model.areSelectionValuesReversed() ? wordPosition.start : (wordPosition.start + wordPosition.length), coords[1]];
    }
  }

@@ -908,9 +803,7 @@ export class SelectionManager extends EventEmitter implements ISelectionManager
   * @param line The line index.
   */
  protected _selectLineAt(line: number): void {
-    const wrappedRange = this._buffer.getWrappedRangeForLine(line);
-    this._model.selectionStart = [0, wrappedRange.first];
-    this._model.selectionEnd = [this._terminal.cols, wrappedRange.last];
-    this._model.selectionStartLength = 0;
+    this._model.selectionStart = [0, line];
+    this._model.selectionStartLength = this._terminal.cols;
  }
 }
@@ -7,7 +7,7 @@ import { assert } from 'chai';
 import { ITerminal } from './Types';
 import { SelectionModel } from './SelectionModel';
 import { BufferSet } from './BufferSet';
-import { MockTerminal } from './ui/TestUtils.test';
+import { MockTerminal } from './utils/TestUtils.test';

 class TestSelectionModel extends SelectionModel {
  constructor(
@@ -23,8 +23,8 @@ describe('SelectionManager', () => {

  beforeEach(() => {
    terminal = new MockTerminal();
-    (terminal as any).cols = 80;
-    (terminal as any).rows = 2;
+    terminal.cols = 80;
+    terminal.rows = 2;
    terminal.options.scrollback = 10;
    terminal.buffers = new BufferSet(terminal);
    terminal.buffer = terminal.buffers.active;
@@ -128,11 +128,6 @@ describe('SelectionManager', () => {
      model.selectionEnd = [3, 2];
      assert.deepEqual(model.finalSelectionEnd, [4, 2]);
    });
-    it('should return the end on a different row when start + length overflows onto a following row', () => {
-      model.selectionStart = [78, 2];
-      model.selectionStartLength = 4;
-      assert.deepEqual(model.finalSelectionEnd, [2, 3]);
-    });
    it('should return selection end if selection end is after selection start + length', () => {
      model.selectionStart = [2, 2];
      model.selectionStartLength = 2;
@@ -76,13 +76,9 @@ export class SelectionModel {
      return null;
    }

-    // Use the selection start + length if the end doesn't exist or they're reversed
+    // Use the selection start if the end doesn't exist or they're reversed
    if (!this.selectionEnd || this.areSelectionValuesReversed()) {
-      const startPlusLength = this.selectionStart[0] + this.selectionStartLength;
-      if (startPlusLength > this._terminal.cols) {
-        return [startPlusLength % this._terminal.cols, this.selectionStart[1] + Math.floor(startPlusLength / this._terminal.cols)];
-      }
-      return [startPlusLength, this.selectionStart[1]];
+      return [this.selectionStart[0] + this.selectionStartLength, this.selectionStart[1]];
    }

    // Ensure the the word/line is selected after a double/triple click
@@ -12,19 +12,7 @@ import { ITerminal, ISoundManager } from './Types';
 export const DEFAULT_BELL_SOUND = 'data:audio/wav;base64,UklGRigBAABXQVZFZm10IBAAAAABAAEARKwAAIhYAQACABAAZGF0YQQBAADpAFgCwAMlBZoG/wdmCcoKRAypDQ8PbRDBEQQTOxRtFYcWlBePGIUZXhoiG88bcBz7HHIdzh0WHlMeZx51HmkeUx4WHs8dah0AHXwc3hs9G4saxRnyGBIYGBcQFv8U4RPAEoYRQBACD70NWwwHC6gJOwjWBloF7gOBAhABkf8b/qv8R/ve+Xf4Ife79W/0JfPZ8Z/wde9N7ijtE+wU6xvqM+lb6H7nw+YX5mrlxuQz5Mzje+Ma49fioeKD4nXiYeJy4pHitOL04j/jn+MN5IPkFOWs5U3mDefM55/ogOl36m7rdOyE7abuyu8D8Unyj/Pg9D/2qfcb+Yn6/vuK/Qj/lAAlAg==';

 export class SoundManager implements ISoundManager {
-  private static _audioContext: AudioContext;
-
-  static get audioContext(): AudioContext | null {
-    if (!SoundManager._audioContext) {
-      const audioContextCtor: typeof AudioContext = (<any>window).AudioContext || (<any>window).webkitAudioContext;
-      if (!audioContextCtor) {
-        console.warn('Web Audio API is not supported by this browser. Consider upgrading to the latest version');
-        return null;
-      }
-      SoundManager._audioContext = new audioContextCtor();
-    }
-    return SoundManager._audioContext;
-  }
+  private _audioContext: AudioContext;

  constructor(
    private _terminal: ITerminal
@@ -32,16 +20,22 @@ export class SoundManager implements ISoundManager {
  }

  public playBellSound(): void {
-    const ctx = SoundManager.audioContext;
-    if (!ctx) {
-      return;
+    const audioContextCtor: typeof AudioContext = (<any>window).AudioContext || (<any>window).webkitAudioContext;
+    if (!this._audioContext && audioContextCtor) {
+      this._audioContext = new audioContextCtor();
+    }
+
+    if (this._audioContext) {
+      const bellAudioSource = this._audioContext.createBufferSource();
+      const context = this._audioContext;
+      this._audioContext.decodeAudioData(this._base64ToArrayBuffer(this._removeMimeType(this._terminal.options.bellSound)), (buffer) => {
+        bellAudioSource.buffer = buffer;
+        bellAudioSource.connect(context.destination);
+        bellAudioSource.start(0);
+      });
+    } else {
+      console.warn('Sorry, but the Web Audio API is not supported by your browser. Please, consider upgrading to the latest version');
    }
-    const bellAudioSource = ctx.createBufferSource();
-    ctx.decodeAudioData(this._base64ToArrayBuffer(this._removeMimeType(this._terminal.options.bellSound)), (buffer) => {
-      bellAudioSource.buffer = buffer;
-      bellAudioSource.connect(ctx.destination);
-      bellAudioSource.start(0);
-    });
  }

  private _base64ToArrayBuffer(base64: string): ArrayBuffer {
@@ -13,12 +13,7 @@ import * as path from 'path';
 import * as pty from 'node-pty';
 import { assert } from 'chai';
 import { Terminal } from './Terminal';
-import { CHAR_DATA_CHAR_INDEX, WHITESPACE_CELL_CHAR } from './Buffer';
-import { IViewport } from './Types';
-
-class TestTerminal extends Terminal {
-  innerWrite(): void { this._innerWrite(); }
-}
+import { CHAR_DATA_CHAR_INDEX } from './Buffer';

 let primitivePty: any;

@@ -29,8 +24,8 @@ let primitivePty: any;
 function ptyWriteRead(data: string, cb: (result: string) => void): void {
  fs.writeSync(primitivePty.slave, data);
  setTimeout(() => {
-    const b = new Buffer(64000);
-    const bytes = fs.readSync(primitivePty.master, b, 0, 64000, null);
+    let b = new Buffer(64000);
+    let bytes = fs.readSync(primitivePty.master, b, 0, 64000, null);
    cb(b.toString('utf8', 0, bytes));
  });
 }
@@ -50,7 +45,7 @@ function formatError(input: string, output: string, expected: string): string {
      return '\x1b[33m' + (' ' + counter).slice(-2) + color + s;
    };
  }
-  const line80 = '12345678901234567890123456789012345678901234567890123456789012345678901234567890';
+  let line80 = '12345678901234567890123456789012345678901234567890123456789012345678901234567890';
  let s = '';
  s += '\n\x1b[34m' + JSON.stringify(input);
  s += '\n\x1b[33m  ' + line80 + '\n';
@@ -67,7 +62,7 @@ function terminalToString(term: Terminal): string {
  for (let line = term.buffer.ybase; line < term.buffer.ybase + term.rows; line++) {
    lineText = '';
    for (let cell = 0; cell < term.cols; ++cell) {
-      lineText += term.buffer.lines.get(line).get(cell)[CHAR_DATA_CHAR_INDEX] || WHITESPACE_CELL_CHAR;
+      lineText += term.buffer.lines.get(line)[cell][CHAR_DATA_CHAR_INDEX];
    }
    // rtrim empty cells as xterm does
    lineText = lineText.replace(/\s+$/, '');
@@ -79,35 +74,34 @@ function terminalToString(term: Terminal): string {

 // Skip tests on Windows since pty.open isn't supported
 if (os.platform() !== 'win32') {
-  const consoleLog = console.log;
+  let CONSOLE_LOG = console.log;

  // expect files need terminal at 80x25!
-  const cols = 80;
-  const rows = 25;
+  let COLS = 80;
+  let ROWS = 25;

  /** some helpers for pty interaction */
  // we need a pty in between to get the termios decorations
  // for the basic test cases a raw pty device is enough
-  primitivePty = (<any>pty).native.open(cols, rows);
+  primitivePty = pty.native.open(COLS, ROWS);

  /** tests */
  describe('xterm output comparison', () => {
-    let xterm: TestTerminal;
+    let xterm;

    beforeEach(() => {
-      xterm = new TestTerminal({ cols: cols, rows: rows });
+      xterm = new Terminal({ cols: COLS, rows: ROWS });
      xterm.refresh = () => {};
-      xterm.viewport = <IViewport>{
+      xterm.viewport = {
        syncScrollArea: () => {}
      };
    });

    // omit stack trace for escape sequence files
    Error.stackTraceLimit = 0;
-    const files = glob.sync('**/escape_sequence_files/*.in', { cwd: path.join(__dirname, '..')});
-    // for (let i = 0; i < files.length; ++i) console.debug(i, files[i]);
+    let files = glob.sync('**/escape_sequence_files/*.in', { cwd: path.join(__dirname, '..')});
    // only successful tests for now
-    const skip = [
+    let skip = [
      10, 16, 17, 19, 32, 33, 34, 35, 36, 39,
      40, 42, 43, 44, 45, 46, 47, 48, 49, 50,
      51, 52, 54, 55, 56, 57, 58, 59, 60, 61,
@@ -124,22 +118,21 @@ if (os.platform() !== 'win32') {
      ((filename: string) => {
        it(filename.split('/').slice(-1)[0], done => {
          ptyReset(() => {
-            const inFile = fs.readFileSync(filename, 'utf8');
+            let inFile = fs.readFileSync(filename, 'utf8');
            ptyWriteRead(inFile, fromPty => {
              // uncomment this to get log from terminal
              // console.log = function(){};

              // Perform a synchronous .write(data)
              xterm.writeBuffer.push(fromPty);
-              xterm.innerWrite();
-
-              const fromEmulator = terminalToString(xterm);
-              console.log = consoleLog;
-              const expected = fs.readFileSync(filename.split('.')[0] + '.text', 'utf8');
+              xterm._innerWrite();

+              let fromEmulator = terminalToString(xterm);
+              console.log = CONSOLE_LOG;
+              let expected = fs.readFileSync(filename.split('.')[0] + '.text', 'utf8');
              // Some of the tests have whitespace on the right of lines, we trim all the linex
              // from xterm.js so ignore this for now at least.
-              const expectedRightTrimmed = expected.split('\n').map(l => l.replace(/\s+$/, '')).join('\n');
+              let expectedRightTrimmed = expected.split('\n').map(l => l.replace(/\s+$/, '')).join('\n');
              if (fromEmulator !== expectedRightTrimmed) {
                // uncomment to get noisy output
                throw new Error(formatError(inFile, fromEmulator, expected));
@@ -162,7 +155,9 @@ describe('typings', () => {
      tsc += '.cmd';
    }
    const fixtureDir = path.join(__dirname, '..', 'fixtures', 'typings-test');
-    const result = cp.spawnSync(tsc, { cwd: fixtureDir });
+    let result = cp.spawnSync(tsc, { cwd: fixtureDir });
    assert.equal(result.status, 0, `build did not succeed:\nstdout: ${result.stdout.toString()}\nstderr: ${result.stderr.toString()}\n`);
+    // Clean up
+    fs.unlinkSync(path.join(fixtureDir, 'typings-test.js'));
  });
 });
@@ -3,25 +3,20 @@
 * @license MIT
 */

-import { Terminal as PublicTerminal, ITerminalOptions as IPublicTerminalOptions, IEventEmitter, IDisposable } from 'xterm';
+import { Terminal as PublicTerminal, ITerminalOptions as IPublicTerminalOptions, IEventEmitter } from 'xterm';
 import { IColorSet, IRenderer } from './renderer/Types';
-import { IMouseZoneManager } from './ui/Types';
-import { ICharset } from './core/Types';
-import { ICircularList } from './common/Types';
+import { IMouseZoneManager } from './input/Types';

 export type CustomKeyEventHandler = (event: KeyboardEvent) => boolean;

+export type XtermListener = (...args: any[]) => void;
+
 export type CharData = [number, string, number, number];
 export type LineData = CharData[];

 export type LinkMatcherHandler = (event: MouseEvent, uri: string) => void;
 export type LinkMatcherValidationCallback = (uri: string, callback: (isValid: boolean) => void) => void;

-export type CharacterJoinerHandler = (text: string) => [number, number][];
-
-// BufferIndex denotes a position in the buffer: [rowIndex, colIndex]
-export type BufferIndex = [number, number];
-
 export const enum LinkHoverEventTypes {
  HOVER = 'linkhover',
  TOOLTIP = 'linktooltip',
@@ -48,7 +43,9 @@ export interface IInputHandlingTerminal extends IEventEmitter {
  insertMode: boolean;
  wraparoundMode: boolean;
  bracketedPasteMode: boolean;
+  defAttr: number;
  curAttr: number;
+  prefix: string;
  savedCols: number;
  x10Mouse: boolean;
  vt200Mouse: boolean;
@@ -67,11 +64,17 @@ export interface IInputHandlingTerminal extends IEventEmitter {

  bell(): void;
  focus(): void;
+  convertEol: boolean;
  updateRange(y: number): void;
  scroll(isWrapped?: boolean): void;
  setgLevel(g: number): void;
  eraseAttr(): number;
+  eraseRight(x: number, y: number): void;
+  eraseLine(y: number): void;
+  eraseLeft(x: number, y: number): void;
+  blankLine(cur?: boolean, isWrapped?: boolean): LineData;
  is(term: string): boolean;
+  send(data: string): void;
  setgCharset(g: number, charset: ICharset): void;
  resize(x: number, y: number): void;
  log(text: string, data?: any): void;
@@ -82,13 +85,9 @@ export interface IInputHandlingTerminal extends IEventEmitter {
  error(text: string, data?: any): void;
  setOption(key: string, value: any): void;
  tabSet(): void;
-  handler(data: string): void;
-  handleTitle(title: string): void;
-  index(): void;
-  reverseIndex(): void;
 }

-export interface IViewport extends IDisposable {
+export interface IViewport {
  scrollBarWidth: number;
  syncScrollArea(): void;
  getLinesScrolled(ev: WheelEvent): number;
@@ -107,11 +106,10 @@ export interface ICompositionHelper {
 }

 /**
- * Calls the parser and handles actions generated by the parser.
+ * Handles actions generated by the parser.
 */
 export interface IInputHandler {
-  parse(data: string): void;
-  print(data: Uint32Array, start: number, end: number): void;
+  addChar(char: string, code: number): void;

  /** C0 BEL */ bell(): void;
  /** C0 LF */ lineFeed(): void;
@@ -137,49 +135,26 @@ export interface IInputHandler {
  /** CSI M */ deleteLines(params?: number[]): void;
  /** CSI P */ deleteChars(params?: number[]): void;
  /** CSI S */ scrollUp(params?: number[]): void;
-  /** CSI T */ scrollDown(params?: number[], collect?: string): void;
+  /** CSI T */ scrollDown(params?: number[]): void;
  /** CSI X */ eraseChars(params?: number[]): void;
  /** CSI Z */ cursorBackwardTab(params?: number[]): void;
  /** CSI ` */ charPosAbsolute(params?: number[]): void;
-  /** CSI a */ hPositionRelative(params?: number[]): void;
+  /** CSI a */ HPositionRelative(params?: number[]): void;
  /** CSI b */ repeatPrecedingCharacter(params?: number[]): void;
-  /** CSI c */ sendDeviceAttributes(params?: number[], collect?: string): void;
+  /** CSI c */ sendDeviceAttributes(params?: number[]): void;
  /** CSI d */ linePosAbsolute(params?: number[]): void;
-  /** CSI e */ vPositionRelative(params?: number[]): void;
-  /** CSI f */ hVPosition(params?: number[]): void;
+  /** CSI e */ VPositionRelative(params?: number[]): void;
+  /** CSI f */ HVPosition(params?: number[]): void;
  /** CSI g */ tabClear(params?: number[]): void;
-  /** CSI h */ setMode(params?: number[], collect?: string): void;
-  /** CSI l */ resetMode(params?: number[], collect?: string): void;
+  /** CSI h */ setMode(params?: number[]): void;
+  /** CSI l */ resetMode(params?: number[]): void;
  /** CSI m */ charAttributes(params?: number[]): void;
-  /** CSI n */ deviceStatus(params?: number[], collect?: string): void;
-  /** CSI p */ softReset(params?: number[], collect?: string): void;
-  /** CSI q */ setCursorStyle(params?: number[], collect?: string): void;
-  /** CSI r */ setScrollRegion(params?: number[], collect?: string): void;
+  /** CSI n */ deviceStatus(params?: number[]): void;
+  /** CSI p */ softReset(params?: number[]): void;
+  /** CSI q */ setCursorStyle(params?: number[]): void;
+  /** CSI r */ setScrollRegion(params?: number[]): void;
  /** CSI s */ saveCursor(params?: number[]): void;
  /** CSI u */ restoreCursor(params?: number[]): void;
-  /** OSC 0
-      OSC 2 */ setTitle(data: string): void;
-  /** ESC E */ nextLine(): void;
-  /** ESC = */ keypadApplicationMode(): void;
-  /** ESC > */ keypadNumericMode(): void;
-  /** ESC % G
-      ESC % @ */ selectDefaultCharset(): void;
-  /** ESC ( C
-      ESC ) C
-      ESC * C
-      ESC + C
-      ESC - C
-      ESC . C
-      ESC / C */ selectCharset(collectAndFlag: string): void;
-  /** ESC D */ index(): void;
-  /** ESC H */ tabSet(): void;
-  /** ESC M */ reverseIndex(): void;
-  /** ESC c */ reset(): void;
-  /** ESC n
-      ESC o
-      ESC |
-      ESC }
-      ESC ~ */ setgLevel(level: number): void;
 }

 export interface ILinkMatcher {
@@ -194,13 +169,16 @@ export interface ILinkMatcher {
  willLinkActivate?: (event: MouseEvent, uri: string) => boolean;
 }

+export interface ICharset {
+  [key: string]: string;
+}
+
 export interface ILinkHoverEvent {
  x1: number;
  y1: number;
  x2: number;
  y2: number;
  cols: number;
-  fg: number;
 }

 export interface ITerminal extends PublicTerminal, IElementAccessor, IBufferAccessor, ILinkifierAccessor {
@@ -212,6 +190,7 @@ export interface ITerminal extends PublicTerminal, IElementAccessor, IBufferAcce
  writeBuffer: string[];
  cursorHidden: boolean;
  cursorState: number;
+  defAttr: number;
  options: ITerminalOptions;
  buffer: IBuffer;
  buffers: IBufferSet;
@@ -226,10 +205,12 @@ export interface ITerminal extends PublicTerminal, IElementAccessor, IBufferAcce
   * @param data The data to populate in the event.
   */
  handler(data: string): void;
+  send(data: string): void;
  scrollLines(disp: number, suppressScrollEvent?: boolean): void;
  cancel(ev: Event, force?: boolean): boolean | void;
  log(text: string): void;
  showCursor(): void;
+  blankLine(cur?: boolean, isWrapped?: boolean, cols?: number): LineData;
 }

 export interface IBufferAccessor {
@@ -237,7 +218,7 @@ export interface IBufferAccessor {
 }

 export interface IElementAccessor {
-  readonly element: HTMLElement;
+  element: HTMLElement;
 }

 export interface ILinkifierAccessor {
@@ -245,8 +226,8 @@ export interface ILinkifierAccessor {
 }

 export interface IMouseHelper {
-  getCoords(event: { clientX: number, clientY: number }, element: HTMLElement, charMeasure: ICharMeasure, colCount: number, rowCount: number, isSelection?: boolean): [number, number];
-  getRawByteCoords(event: MouseEvent, element: HTMLElement, charMeasure: ICharMeasure, colCount: number, rowCount: number): { x: number, y: number };
+  getCoords(event: {pageX: number, pageY: number}, element: HTMLElement, charMeasure: ICharMeasure, lineHeight: number, colCount: number, rowCount: number, isSelection?: boolean): [number, number];
+  getRawByteCoords(event: MouseEvent, element: HTMLElement, charMeasure: ICharMeasure, lineHeight: number, colCount: number, rowCount: number): { x: number, y: number };
 }

 export interface ICharMeasure {
@@ -257,7 +238,6 @@ export interface ICharMeasure {

 // TODO: The options that are not in the public API should be reviewed
 export interface ITerminalOptions extends IPublicTerminalOptions {
-  [key: string]: any;
  cancelEvents?: boolean;
  convertEol?: boolean;
  debug?: boolean;
@@ -267,18 +247,8 @@ export interface ITerminalOptions extends IPublicTerminalOptions {
  useFlowControl?: boolean;
 }

-export interface IBufferStringIteratorResult {
-  range: {first: number, last: number};
-  content: string;
-}
-
-export interface IBufferStringIterator {
-  hasNext(): boolean;
-  next(): IBufferStringIteratorResult;
-}
-
 export interface IBuffer {
-  readonly lines: ICircularList<IBufferLine>;
+  readonly lines: ICircularList<LineData>;
  ydisp: number;
  ybase: number;
  y: number;
@@ -289,15 +259,10 @@ export interface IBuffer {
  hasScrollback: boolean;
  savedY: number;
  savedX: number;
-  savedCurAttr: number;
  isCursorInViewport: boolean;
  translateBufferLineToString(lineIndex: number, trimRight: boolean, startCol?: number, endCol?: number): string;
-  getWrappedRangeForLine(y: number): { first: number, last: number };
  nextStop(x?: number): number;
  prevStop(x?: number): number;
-  getBlankLine(attr: number, isWrapped?: boolean): IBufferLine;
-  stringIndexToBufferIndex(lineIndex: number, stringIndex: number): number[];
-  iterator(trimRight: boolean, startIndex?: number, endIndex?: number, startOverscan?: number, endOverscan?: number): IBufferStringIterator;
 }

 export interface IBufferSet extends IEventEmitter {
@@ -306,7 +271,20 @@ export interface IBufferSet extends IEventEmitter {
  active: IBuffer;

  activateNormalBuffer(): void;
-  activateAltBuffer(fillAttr?: number): void;
+  activateAltBuffer(): void;
+}
+
+export interface ICircularList<T> extends IEventEmitter {
+  length: number;
+  maxLength: number;
+
+  get(index: number): T;
+  set(index: number, value: T): void;
+  push(value: T): void;
+  pop(): T;
+  splice(start: number, deleteCount: number, ...items: T[]): void;
+  trimStart(count: number): void;
+  shiftElements(start: number, count: number, offset: number): void;
 }

 export interface ISelectionManager {
@@ -377,163 +355,3 @@ export interface IBrowser {
 export interface ISoundManager {
  playBellSound(): void;
 }
-
-/**
- * Internal states of EscapeSequenceParser.
- */
-export const enum ParserState {
-  GROUND = 0,
-  ESCAPE = 1,
-  ESCAPE_INTERMEDIATE = 2,
-  CSI_ENTRY = 3,
-  CSI_PARAM = 4,
-  CSI_INTERMEDIATE = 5,
-  CSI_IGNORE = 6,
-  SOS_PM_APC_STRING = 7,
-  OSC_STRING = 8,
-  DCS_ENTRY = 9,
-  DCS_PARAM = 10,
-  DCS_IGNORE = 11,
-  DCS_INTERMEDIATE = 12,
-  DCS_PASSTHROUGH = 13
-}
-
-/**
-* Internal actions of EscapeSequenceParser.
-*/
-export const enum ParserAction {
-  IGNORE = 0,
-  ERROR = 1,
-  PRINT = 2,
-  EXECUTE = 3,
-  OSC_START = 4,
-  OSC_PUT = 5,
-  OSC_END = 6,
-  CSI_DISPATCH = 7,
-  PARAM = 8,
-  COLLECT = 9,
-  ESC_DISPATCH = 10,
-  CLEAR = 11,
-  DCS_HOOK = 12,
-  DCS_PUT = 13,
-  DCS_UNHOOK = 14
-}
-
-/**
- * Internal state of EscapeSequenceParser.
- * Used as argument of the error handler to allow
- * introspection at runtime on parse errors.
- * Return it with altered values to recover from
- * faulty states (not yet supported).
- * Set `abort` to `true` to abort the current parsing.
- */
-export interface IParsingState {
-  // position in parse string
-  position: number;
-  // actual character code
-  code: number;
-  // current parser state
-  currentState: ParserState;
-  // print buffer start index (-1 for not set)
-  print: number;
-  // dcs buffer start index (-1 for not set)
-  dcs: number;
-  // osc string buffer
-  osc: string;
-  // collect buffer with intermediate characters
-  collect: string;
-  // params buffer
-  params: number[];
-  // should abort (default: false)
-  abort: boolean;
-}
-
-/**
-* DCS handler signature for EscapeSequenceParser.
-* EscapeSequenceParser handles DCS commands via separate
-* subparsers that get hook/unhooked and can handle
-* arbitrary amount of data.
-*
-* On entering a DSC sequence `hook` is called by
-* `EscapeSequenceParser`. Use it to initialize or reset
-* states needed to handle the current DCS sequence.
-* Note: A DCS parser is only instantiated once, therefore
-* you cannot rely on the ctor to reinitialize state.
-*
-* EscapeSequenceParser will call `put` several times if the
-* parsed data got split, therefore you might have to collect
-* `data` until `unhook` is called.
-* Note: `data` is borrowed, if you cannot process the data
-* in chunks you have to copy it, doing otherwise will lead to
-* data losses or corruption.
-*
-* `unhook` marks the end of the current DCS sequence.
-*/
-export interface IDcsHandler {
-  hook(collect: string, params: number[], flag: number): void;
-  put(data: Uint32Array, start: number, end: number): void;
-  unhook(): void;
-}
-
-/**
-* EscapeSequenceParser interface.
-*/
-export interface IEscapeSequenceParser extends IDisposable {
-  /**
-   * Reset the parser to its initial state (handlers are kept).
-   */
-  reset(): void;
-
-  /**
-   * Parse string `data`.
-   * @param data The data to parse.
-   */
-  parse(data: Uint32Array, length: number): void;
-
-  setPrintHandler(callback: (data: Uint32Array, start: number, end: number) => void): void;
-  clearPrintHandler(): void;
-
-  setExecuteHandler(flag: string, callback: () => void): void;
-  clearExecuteHandler(flag: string): void;
-  setExecuteHandlerFallback(callback: (code: number) => void): void;
-
-  setCsiHandler(flag: string, callback: (params: number[], collect: string) => void): void;
-  clearCsiHandler(flag: string): void;
-  setCsiHandlerFallback(callback: (collect: string, params: number[], flag: number) => void): void;
-  addCsiHandler(flag: string, callback: (params: number[], collect: string) => boolean): IDisposable;
-  addOscHandler(ident: number, callback: (data: string) => boolean): IDisposable;
-
-  setEscHandler(collectAndFlag: string, callback: () => void): void;
-  clearEscHandler(collectAndFlag: string): void;
-  setEscHandlerFallback(callback: (collect: string, flag: number) => void): void;
-
-  setOscHandler(ident: number, callback: (data: string) => void): void;
-  clearOscHandler(ident: number): void;
-  setOscHandlerFallback(callback: (identifier: number, data: string) => void): void;
-
-  setDcsHandler(collectAndFlag: string, handler: IDcsHandler): void;
-  clearDcsHandler(collectAndFlag: string): void;
-  setDcsHandlerFallback(handler: IDcsHandler): void;
-
-  setErrorHandler(callback: (state: IParsingState) => IParsingState): void;
-  clearErrorHandler(): void;
-}
-
-/**
- * Interface for a line in the terminal buffer.
- */
-export interface IBufferLine {
-  length: number;
-  isWrapped: boolean;
-  get(index: number): CharData;
-  set(index: number, value: CharData): void;
-  insertCells(pos: number, n: number, ch: CharData): void;
-  deleteCells(pos: number, n: number, fill: CharData): void;
-  replaceCells(start: number, end: number, fill: CharData): void;
-  resize(cols: number, fill: CharData): void;
-  fill(fillCharData: CharData): void;
-  copyFrom(line: IBufferLine): void;
-  clone(): IBufferLine;
-  getTrimmedLength(): number;
-  translateToString(trimRight?: boolean, startCol?: number, endCol?: number): string;
-}
@@ -5,9 +5,7 @@

 import { IColorSet } from './renderer/Types';
 import { ITerminal, IViewport } from './Types';
-import { CharMeasure } from './ui/CharMeasure';
-import { Disposable } from './common/Lifecycle';
-import { addDisposableDomListener } from './ui/Lifecycle';
+import { CharMeasure } from './utils/CharMeasure';

 const FALLBACK_SCROLL_BAR_WIDTH = 15;

@@ -15,23 +13,19 @@ const FALLBACK_SCROLL_BAR_WIDTH = 15;
 * Represents the viewport of a terminal, the visible area within the larger buffer of output.
 * Logic for the virtual scroll bar is included in this object.
 */
-export class Viewport extends Disposable implements IViewport {
+export class Viewport implements IViewport {
  public scrollBarWidth: number = 0;
  private _currentRowHeight: number = 0;
  private _lastRecordedBufferLength: number = 0;
  private _lastRecordedViewportHeight: number = 0;
  private _lastRecordedBufferHeight: number = 0;
  private _lastTouchY: number;
-  private _lastScrollTop: number = 0;

  // Stores a partial line amount when scrolling, this is used to keep track of how much of a line
  // is scrolled so we can "scroll" over partial lines and feel natural on touchpads. This is a
  // quick fix and could have a more robust solution in place that reset the value when needed.
  private _wheelPartialScroll: number = 0;

-  private _refreshAnimationFrame: number | null = null;
-  private _ignoreNextScrollEvent: boolean = false;
-
  /**
   * Creates a new Viewport.
   * @param _terminal The terminal this viewport belongs to.
@@ -45,13 +39,11 @@ export class Viewport extends Disposable implements IViewport {
    private _scrollArea: HTMLElement,
    private _charMeasure: CharMeasure
  ) {
-    super();
-
    // Measure the width of the scrollbar. If it is 0 we can assume it's an OSX overlay scrollbar.
    // Unfortunately the overlay scrollbar would be hidden underneath the screen element in that case,
    // therefore we account for a standard amount to make it visible
    this.scrollBarWidth = (this._viewportElement.offsetWidth - this._scrollArea.offsetWidth) || FALLBACK_SCROLL_BAR_WIDTH;
-    this.register(addDisposableDomListener(this._viewportElement, 'scroll', this._onScroll.bind(this)));
+    this._viewportElement.addEventListener('scroll', this._onScroll.bind(this));

    // Perform this async to ensure the CharMeasure is ready.
    setTimeout(() => this.syncScrollArea(), 0);
@@ -66,12 +58,6 @@ export class Viewport extends Disposable implements IViewport {
   * necessary.
   */
  private _refresh(): void {
-    if (this._refreshAnimationFrame === null) {
-      this._refreshAnimationFrame = requestAnimationFrame(() => this._innerRefresh());
-    }
-  }
-
-  private _innerRefresh(): void {
    if (this._charMeasure.height > 0) {
      this._currentRowHeight = this._terminal.renderer.dimensions.scaledCellHeight / window.devicePixelRatio;
      this._lastRecordedViewportHeight = this._viewportElement.offsetHeight;
@@ -81,53 +67,30 @@ export class Viewport extends Disposable implements IViewport {
        this._scrollArea.style.height = this._lastRecordedBufferHeight + 'px';
      }
    }
-
-    // Sync scrollTop
-    const scrollTop = this._terminal.buffer.ydisp * this._currentRowHeight;
-    if (this._viewportElement.scrollTop !== scrollTop) {
-      // Ignore the next scroll event which will be triggered by setting the scrollTop as we do not
-      // want this event to scroll the terminal
-      this._ignoreNextScrollEvent = true;
-      this._viewportElement.scrollTop = scrollTop;
-    }
-
-    this._refreshAnimationFrame = null;
  }

  /**
   * Updates dimensions and synchronizes the scroll area if necessary.
   */
  public syncScrollArea(): void {
-    // If buffer height changed
    if (this._lastRecordedBufferLength !== this._terminal.buffer.lines.length) {
+      // If buffer height changed
      this._lastRecordedBufferLength = this._terminal.buffer.lines.length;
      this._refresh();
-      return;
+    } else if (this._lastRecordedViewportHeight !== (<any>this._terminal).renderer.dimensions.canvasHeight) {
+      // If viewport height changed
+      this._refresh();
+    } else {
+      // If size has changed, refresh viewport
+      if (this._terminal.renderer.dimensions.scaledCellHeight / window.devicePixelRatio !== this._currentRowHeight) {
+        this._refresh();
+      }
    }

-    // If viewport height changed
-    if (this._lastRecordedViewportHeight !== (<any>this._terminal).renderer.dimensions.canvasHeight) {
-      this._refresh();
-      return;
-    }
-
-    // If the buffer position doesn't match last scroll top
-    const newScrollTop = this._terminal.buffer.ydisp * this._currentRowHeight;
-    if (this._lastScrollTop !== newScrollTop) {
-      this._refresh();
-      return;
-    }
-
-    // If element's scroll top changed, this can happen when hiding the element
-    if (this._lastScrollTop !== this._viewportElement.scrollTop) {
-      this._refresh();
-      return;
-    }
-
-    // If row height changed
-    if (this._terminal.renderer.dimensions.scaledCellHeight / window.devicePixelRatio !== this._currentRowHeight) {
-      this._refresh();
-      return;
+    // Sync scrollTop
+    const scrollTop = this._terminal.buffer.ydisp * this._currentRowHeight;
+    if (this._viewportElement.scrollTop !== scrollTop) {
+      this._viewportElement.scrollTop = scrollTop;
    }
  }

@@ -137,22 +100,13 @@ export class Viewport extends Disposable implements IViewport {
   * @param ev The scroll event.
   */
  private _onScroll(ev: Event): void {
-    // Record current scroll top position
-    this._lastScrollTop = this._viewportElement.scrollTop;
-
    // Don't attempt to scroll if the element is not visible, otherwise scrollTop will be corrupt
    // which causes the terminal to scroll the buffer to the top
    if (!this._viewportElement.offsetParent) {
      return;
    }

-    // Ignore the event if it was flagged to ignore (when the source of the event is from Viewport)
-    if (this._ignoreNextScrollEvent) {
-      this._ignoreNextScrollEvent = false;
-      return;
-    }
-
-    const newRow = Math.round(this._lastScrollTop / this._currentRowHeight);
+    const newRow = Math.round(this._viewportElement.scrollTop / this._currentRowHeight);
    const diff = newRow - this._terminal.buffer.ydisp;
    this._terminal.scrollLines(diff, true);
  }
@@ -226,7 +180,7 @@ export class Viewport extends Disposable implements IViewport {
   * @param ev The touch event.
   */
  public onTouchMove(ev: TouchEvent): void {
-    const deltaY = this._lastTouchY - ev.touches[0].pageY;
+    let deltaY = this._lastTouchY - ev.touches[0].pageY;
    this._lastTouchY = ev.touches[0].pageY;
    if (deltaY === 0) {
      return;
@@ -5,13 +5,9 @@
 * Implements the attach method, that attaches the terminal to a WebSocket stream.
 */

-import { Terminal, IDisposable } from 'xterm';
+import { Terminal } from 'xterm';

 export interface IAttachAddonTerminal extends Terminal {
-  _core: {
-    register<T extends IDisposable>(d: T): void;
-  };
-
  __socket?: WebSocket;
  __attachSocketBuffer?: string;

@@ -3,7 +3,7 @@
 * @license MIT
 */

-import { assert } from 'chai';
+import { assert, expect } from 'chai';

 import * as attach from './attach';

@@ -5,7 +5,9 @@
 * Implements the attach method, that attaches the terminal to a WebSocket stream.
 */

-import { Terminal, IDisposable } from 'xterm';
+/// <reference path="../../../typings/xterm.d.ts"/>
+
+import { Terminal } from 'xterm';
 import { IAttachAddonTerminal } from './Interfaces';

 /**
@@ -36,11 +38,10 @@ export function attach(term: Terminal, socket: WebSocket, bidirectional: boolean
    }
  };

-  // TODO: This should be typed but there seem to be issues importing the type
-  let myTextDecoder: any;
+  let myTextDecoder;

  addonTerminal.__getMessage = function(ev: MessageEvent): void {
-    let str: string;
+    let str;

    if (typeof ev.data === 'object') {
      if (!myTextDecoder) {
@@ -50,10 +51,10 @@ export function attach(term: Terminal, socket: WebSocket, bidirectional: boolean
        str = myTextDecoder.decode(ev.data);
        displayData(str);
      } else {
-        const fileReader = new FileReader();
+        let fileReader = new FileReader();

        fileReader.addEventListener('load', () => {
-          str = myTextDecoder.decode(fileReader.result);
+          str = myTextDecoder.decode(this.result);
          displayData(str);
        });
        fileReader.readAsArrayBuffer(ev.data);
@@ -87,28 +88,14 @@ export function attach(term: Terminal, socket: WebSocket, bidirectional: boolean
    socket.send(data);
  };

-  addonTerminal._core.register(addSocketListener(socket, 'message', addonTerminal.__getMessage));
+  socket.addEventListener('message', addonTerminal.__getMessage);

  if (bidirectional) {
-    addonTerminal._core.register(addonTerminal.addDisposableListener('data', addonTerminal.__sendData));
+    addonTerminal.on('data', addonTerminal.__sendData);
  }

-  addonTerminal._core.register(addSocketListener(socket, 'close', () => detach(addonTerminal, socket)));
-  addonTerminal._core.register(addSocketListener(socket, 'error', () => detach(addonTerminal, socket)));
-}
-
-function addSocketListener(socket: WebSocket, type: string, handler: (this: WebSocket, ev: Event) => any): IDisposable {
-  socket.addEventListener(type, handler);
-  return {
-    dispose: () => {
-      if (!handler) {
-        // Already disposed
-        return;
-      }
-      socket.removeEventListener(type, handler);
-      handler = null;
-    }
-  };
+  socket.addEventListener('close', () => detach(addonTerminal, socket));
+  socket.addEventListener('error', () => detach(addonTerminal, socket));
 }

 /**
@@ -2,19 +2,10 @@
  "compilerOptions": {
    "module": "commonjs",
    "target": "es5",
-    "lib": [
-      "dom",
-      "es6",
-    ],
    "rootDir": ".",
    "outDir": "../../../lib/addons/attach/",
    "sourceMap": true,
    "removeComments": true,
-    "declaration": true,
-    "preserveWatchOutput": true
-  },
-  "include": [
-    "**/*.ts",
-    "../../../typings/xterm.d.ts"
-  ]
+    "declaration": true
+  }
 }
@@ -1,3 +0,0 @@
-## fit addon
-
-The fit addon adjusts the dimensions of the terminal to match best fit its parent element container. `fit` will only work when the element is visible.
@@ -3,7 +3,7 @@
 * @license MIT
 */

-import { assert } from 'chai';
+import { assert, expect } from 'chai';

 import * as fit from './fit';

@@ -13,6 +13,8 @@
 *          row and truncate its width with the current number of columns).
 */

+/// <reference path="../../../typings/xterm.d.ts"/>
+
 import { Terminal } from 'xterm';

 export interface IGeometry {
@@ -37,10 +39,10 @@ export function proposeGeometry(term: Terminal): IGeometry {
  const elementPaddingVer = elementPadding.top + elementPadding.bottom;
  const elementPaddingHor = elementPadding.right + elementPadding.left;
  const availableHeight = parentElementHeight - elementPaddingVer;
-  const availableWidth = parentElementWidth - elementPaddingHor - (<any>term)._core.viewport.scrollBarWidth;
+  const availableWidth = parentElementWidth - elementPaddingHor - (<any>term).viewport.scrollBarWidth;
  const geometry = {
-    cols: Math.floor(availableWidth / (<any>term)._core.renderer.dimensions.actualCellWidth),
-    rows: Math.floor(availableHeight / (<any>term)._core.renderer.dimensions.actualCellHeight)
+    cols: Math.floor(availableWidth / (<any>term).renderer.dimensions.actualCellWidth),
+    rows: Math.floor(availableHeight / (<any>term).renderer.dimensions.actualCellHeight)
  };
  return geometry;
 }
@@ -50,7 +52,7 @@ export function fit(term: Terminal): void {
  if (geometry) {
    // Force a full render
    if (term.rows !== geometry.rows || term.cols !== geometry.cols) {
-      (<any>term)._core.renderer.clear();
+      (<any>term).renderer.clear();
      term.resize(geometry.cols, geometry.rows);
    }
  }
@@ -2,22 +2,10 @@
  "compilerOptions": {
    "module": "commonjs",
    "target": "es5",
-    "lib": [
-      "dom",
-      "es5"
-    ],
    "rootDir": ".",
    "outDir": "../../../lib/addons/fit/",
    "sourceMap": true,
    "removeComments": true,
-    "declaration": true,
-    "preserveWatchOutput": true,
-    "types": [
-      "../../node_modules/@types/mocha"
-    ]
-  },
-  "include": [
-    "**/*.ts",
-    "../../../typings/xterm.d.ts"
-  ]
+    "declaration": true
+  }
 }
@@ -3,7 +3,7 @@
 * @license MIT
 */

-import { assert } from 'chai';
+import { assert, expect } from 'chai';

 import * as fullscreen from './fullscreen';

@@ -3,6 +3,8 @@
 * @license MIT
 */

+/// <reference path="../../../typings/xterm.d.ts"/>
+
 import { Terminal } from 'xterm';

 /**
@@ -11,19 +13,17 @@ import { Terminal } from 'xterm';
 * @param fullscreen Toggle fullscreen on (true) or off (false)
 */
 export function toggleFullScreen(term: Terminal, fullscreen: boolean): void {
-  let fn: (...tokens: string[]) => void;
+  let fn: string;

  if (typeof fullscreen === 'undefined') {
-    fn = (term.element.classList.contains('fullscreen')) ?
-      term.element.classList.remove : term.element.classList.add;
+    fn = (term.element.classList.contains('fullscreen')) ? 'remove' : 'add';
  } else if (!fullscreen) {
-    fn = term.element.classList.remove;
+    fn = 'remove';
  } else {
-    fn = term.element.classList.add;
+    fn = 'add';
  }

-  fn = fn.bind(term.element.classList);
-  fn('fullscreen');
+  term.element.classList[fn]('fullscreen');
 }

 export function apply(terminalConstructor: typeof Terminal): void {
@@ -2,22 +2,10 @@
  "compilerOptions": {
    "module": "commonjs",
    "target": "es5",
-    "lib": [
-      "dom",
-      "es5"
-    ],
    "rootDir": ".",
    "outDir": "../../../lib/addons/fullscreen/",
    "sourceMap": true,
    "removeComments": true,
-    "declaration": true,
-    "preserveWatchOutput": true,
-    "types": [
-      "../../node_modules/@types/mocha"
-    ]
-  },
-  "include": [
-    "**/*.ts",
-    "../../../typings/xterm.d.ts"
-  ]
+    "declaration": true
+  }
 }
@@ -5,35 +5,15 @@

 import { Terminal } from 'xterm';

-// TODO: Don't rely on this private API
-export interface ITerminalCore {
+export interface ISearchAddonTerminal extends Terminal {
+  __searchHelper?: ISearchHelper;
+
+  // TODO: Reuse ITerminal from core
  buffer: any;
  selectionManager: any;
 }

-export interface ISearchAddonTerminal extends Terminal {
-  __searchHelper?: ISearchHelper;
-  _core: ITerminalCore;
-}
-
 export interface ISearchHelper {
-  findNext(term: string, searchOptions: ISearchOptions): boolean;
-  findPrevious(term: string, searchOptions: ISearchOptions): boolean;
-}
-
-export interface ISearchOptions {
-  regex?: boolean;
-  wholeWord?: boolean;
-  caseSensitive?: boolean;
-  /**
-   * Use this when you want the selection to expand if it still matches as the
-   * user types. Note that this only affects findNext.
-   */
-  incremental?: boolean;
-}
-
-export interface ISearchResult {
-  term: string;
-  col: number;
-  row: number;
+  findNext(term: string): boolean;
+  findPrevious(term: string): boolean;
 }
@@ -3,76 +3,56 @@
 * @license MIT
 */

-import { ISearchHelper, ISearchAddonTerminal, ISearchOptions, ISearchResult } from './Interfaces';
+import { ISearchHelper, ISearchAddonTerminal } from './Interfaces';

-const NON_WORD_CHARACTERS = ' ~!@#$%^&*()+`-=[]{}|\;:"\',./<>?';
-const LINES_CACHE_TIME_TO_LIVE = 15 * 1000; // 15 secs
+interface ISearchResult {
+  term: string;
+  col: number;
+  row: number;
+}

 /**
 * A class that knows how to search the terminal and how to display the results.
 */
 export class SearchHelper implements ISearchHelper {
-  /**
-   * translateBufferLineToStringWithWrap is a fairly expensive call.
-   * We memoize the calls into an array that has a time based ttl.
-   * _linesCache is also invalidated when the terminal cursor moves.
-   */
-  private _linesCache: string[] = null;
-  private _linesCacheTimeoutId = 0;
-
  constructor(private _terminal: ISearchAddonTerminal) {
-    this._destroyLinesCache = this._destroyLinesCache.bind(this);
+    // TODO: Search for multiple instances on 1 line
+    // TODO: Don't use the actual selection, instead use a "find selection" so multiple instances can be highlighted
+    // TODO: Highlight other instances in the viewport
+    // TODO: Support regex, case sensitivity, etc.
  }

  /**
   * Find the next instance of the term, then scroll to and select it. If it
   * doesn't exist, do nothing.
-   * @param term The search term.
-   * @param searchOptions Search options.
+   * @param term Tne search term.
   * @return Whether a result was found.
   */
-  public findNext(term: string, searchOptions?: ISearchOptions): boolean {
-    const selectionManager = this._terminal._core.selectionManager;
-    const {incremental} = searchOptions;
-    let result: ISearchResult;
-
+  public findNext(term: string): boolean {
    if (!term || term.length === 0) {
-      selectionManager.clearSelection();
      return false;
    }

-    let startCol: number = 0;
-    let startRow = this._terminal._core.buffer.ydisp;
+    let result: ISearchResult;

-    if (selectionManager.selectionEnd) {
+    let startRow = this._terminal.buffer.ydisp;
+    if (this._terminal.selectionManager.selectionEnd) {
      // Start from the selection end if there is a selection
-      // For incremental search, use existing row
-      if (this._terminal.getSelection().length !== 0) {
-        startRow = incremental ? selectionManager.selectionStart[1] : selectionManager.selectionEnd[1];
-        startCol = incremental ? selectionManager.selectionStart[0] : selectionManager.selectionEnd[0];
+      startRow = this._terminal.selectionManager.selectionEnd[1];
+    }
+
+    // Search from ydisp + 1 to end
+    for (let y = startRow + 1; y < this._terminal.buffer.ybase + this._terminal.rows; y++) {
+      result = this._findInLine(term, y);
+      if (result) {
+        break;
      }
    }

-    this._initLinesCache();
-
-    // Search startRow
-    result = this._findInLine(term, startRow, startCol, searchOptions);
-
-    // Search from startRow + 1 to end
+    // Search from the top to the current ydisp
    if (!result) {
-      for (let y = startRow + 1; y < this._terminal._core.buffer.ybase + this._terminal.rows; y++) {
-        result = this._findInLine(term, y, 0, searchOptions);
-        if (result) {
-          break;
-        }
-      }
-    }
-
-    // Search from the top to the startRow (search the whole startRow again in
-    // case startCol > 0)
-    if (!result) {
-      for (let y = 0; y <= startRow; y++) {
-        result = this._findInLine(term, y, 0, searchOptions);
+      for (let y = 0; y < startRow; y++) {
+        result = this._findInLine(term, y);
        if (result) {
          break;
        }
@@ -86,52 +66,34 @@ export class SearchHelper implements ISearchHelper {
  /**
   * Find the previous instance of the term, then scroll to and select it. If it
   * doesn't exist, do nothing.
-   * @param term The search term.
-   * @param searchOptions Search options.
+   * @param term Tne search term.
   * @return Whether a result was found.
   */
-  public findPrevious(term: string, searchOptions?: ISearchOptions): boolean {
-    const selectionManager = this._terminal._core.selectionManager;
-    let result: ISearchResult;
-
+  public findPrevious(term: string): boolean {
    if (!term || term.length === 0) {
-      selectionManager.clearSelection();
      return false;
    }

-    const isReverseSearch = true;
-    let startRow = this._terminal._core.buffer.ydisp;
-    let startCol: number = this._terminal._core.buffer.lines.get(startRow).length;
+    let result: ISearchResult;

-    if (selectionManager.selectionStart) {
-      // Start from the selection start if there is a selection
-      if (this._terminal.getSelection().length !== 0) {
-        startRow = selectionManager.selectionStart[1];
-        startCol = selectionManager.selectionStart[0];
+    let startRow = this._terminal.buffer.ydisp;
+    if (this._terminal.selectionManager.selectionStart) {
+      // Start from the selection end if there is a selection
+      startRow = this._terminal.selectionManager.selectionStart[1];
+    }
+
+    // Search from ydisp + 1 to end
+    for (let y = startRow - 1; y >= 0; y--) {
+      result = this._findInLine(term, y);
+      if (result) {
+        break;
      }
    }

-    this._initLinesCache();
-
-    // Search startRow
-    result = this._findInLine(term, startRow, startCol, searchOptions, isReverseSearch);
-
-    // Search from startRow - 1 to top
+    // Search from the top to the current ydisp
    if (!result) {
-      for (let y = startRow - 1; y >= 0; y--) {
-        result = this._findInLine(term, y, this._terminal._core.buffer.lines.get(y).length, searchOptions, isReverseSearch);
-        if (result) {
-          break;
-        }
-      }
-    }
-
-    // Search from the bottom to startRow (search the whole startRow again in
-    // case startCol > 0)
-    if (!result) {
-      const searchFrom = this._terminal._core.buffer.ybase + this._terminal.rows - 1;
-      for (let y = searchFrom; y >= startRow; y--) {
-        result = this._findInLine(term, y, this._terminal._core.buffer.lines.get(y).length, searchOptions, isReverseSearch);
+      for (let y = this._terminal.buffer.ybase + this._terminal.rows - 1; y > startRow; y--) {
+        result = this._findInLine(term, y);
        if (result) {
          break;
        }
@@ -143,147 +105,38 @@ export class SearchHelper implements ISearchHelper {
  }

  /**
-   * Sets up a line cache with a ttl
-   */
-  private _initLinesCache(): void {
-    if (!this._linesCache) {
-      this._linesCache = new Array(this._terminal._core.buffer.length);
-      this._terminal.on('cursormove', this._destroyLinesCache);
-    }
-
-    window.clearTimeout(this._linesCacheTimeoutId);
-    this._linesCacheTimeoutId = window.setTimeout(() => this._destroyLinesCache(), LINES_CACHE_TIME_TO_LIVE);
-  }
-
-  private _destroyLinesCache(): void {
-    this._linesCache = null;
-    this._terminal.off('cursormove', this._destroyLinesCache);
-    if (this._linesCacheTimeoutId) {
-      window.clearTimeout(this._linesCacheTimeoutId);
-      this._linesCacheTimeoutId = 0;
-    }
-  }
-
-  /**
-   * A found substring is a whole word if it doesn't have an alphanumeric character directly adjacent to it.
-   * @param searchIndex starting indext of the potential whole word substring
-   * @param line entire string in which the potential whole word was found
-   * @param term the substring that starts at searchIndex
-   */
-  private _isWholeWord(searchIndex: number, line: string, term: string): boolean {
-    return (((searchIndex === 0) || (NON_WORD_CHARACTERS.indexOf(line[searchIndex - 1]) !== -1)) &&
-        (((searchIndex + term.length) === line.length) || (NON_WORD_CHARACTERS.indexOf(line[searchIndex + term.length]) !== -1)));
-  }
-
-  /**
-   * Searches a line for a search term. Takes the provided terminal line and searches the text line, which may contain
-   * subsequent terminal lines if the text is wrapped. If the provided line number is part of a wrapped text line that
-   * started on an earlier line then it is skipped since it will be properly searched when the terminal line that the
-   * text starts on is searched.
-   * @param term The search term.
-   * @param row The line to  start the search from.
-   * @param col The column to start the search from.
-   * @param searchOptions Search options.
+   * Searches a line for a search term.
+   * @param term Tne search term.
+   * @param y The line to search.
   * @return The search result if it was found.
   */
-  protected _findInLine(term: string, row: number, col: number, searchOptions: ISearchOptions = {}, isReverseSearch: boolean = false): ISearchResult {
-    if (this._terminal._core.buffer.lines.get(row).isWrapped) {
-      return;
-    }
-
-    let stringLine = this._linesCache ? this._linesCache[row] : void 0;
-    if (stringLine === void 0) {
-      stringLine = this.translateBufferLineToStringWithWrap(row, true);
-      if (this._linesCache) {
-        this._linesCache[row] = stringLine;
-      }
-    }
-
-    const searchTerm = searchOptions.caseSensitive ? term : term.toLowerCase();
-    const searchStringLine = searchOptions.caseSensitive ? stringLine : stringLine.toLowerCase();
-
-    let resultIndex = -1;
-    if (searchOptions.regex) {
-      const searchRegex = RegExp(searchTerm, 'g');
-      let foundTerm: RegExpExecArray;
-      if (isReverseSearch) {
-        // This loop will get the resultIndex of the _last_ regex match in the range 0..col
-        while (foundTerm = searchRegex.exec(searchStringLine.slice(0, col))) {
-          resultIndex = searchRegex.lastIndex - foundTerm[0].length;
-          term = foundTerm[0];
-          searchRegex.lastIndex -= (term.length - 1);
-        }
-      } else {
-        foundTerm = searchRegex.exec(searchStringLine.slice(col));
-        if (foundTerm && foundTerm[0].length > 0) {
-          resultIndex = col + (searchRegex.lastIndex - foundTerm[0].length);
-          term = foundTerm[0];
-        }
-      }
-    } else {
-      if (isReverseSearch) {
-        if (col - searchTerm.length >= 0) {
-          resultIndex = searchStringLine.lastIndexOf(searchTerm, col - searchTerm.length);
-        }
-      } else {
-        resultIndex = searchStringLine.indexOf(searchTerm, col);
-      }
-    }
-
-    if (resultIndex >= 0) {
-      // Adjust the row number and search index if needed since a "line" of text can span multiple rows
-      if (resultIndex >= this._terminal.cols) {
-        row += Math.floor(resultIndex / this._terminal.cols);
-        resultIndex = resultIndex % this._terminal.cols;
-      }
-      if (searchOptions.wholeWord && !this._isWholeWord(resultIndex, searchStringLine, term)) {
-        return;
-      }
-
-      const line = this._terminal._core.buffer.lines.get(row);
-
-      for (let i = 0; i < resultIndex; i++) {
-        const charData = line.get(i);
+  private _findInLine(term: string, y: number): ISearchResult {
+    const lowerStringLine = this._terminal.buffer.translateBufferLineToString(y, true).toLowerCase();
+    const lowerTerm = term.toLowerCase();
+    let searchIndex = lowerStringLine.indexOf(lowerTerm);
+    if (searchIndex >= 0) {
+      const line = this._terminal.buffer.lines.get(y);
+      for (let i = 0; i < searchIndex; i++) {
+        const charData = line[i];
        // Adjust the searchIndex to normalize emoji into single chars
        const char = charData[1/*CHAR_DATA_CHAR_INDEX*/];
        if (char.length > 1) {
-          resultIndex -= char.length - 1;
+          searchIndex -= char.length - 1;
        }
        // Adjust the searchIndex for empty characters following wide unicode
        // chars (eg. CJK)
        const charWidth = charData[2/*CHAR_DATA_WIDTH_INDEX*/];
        if (charWidth === 0) {
-          resultIndex++;
+          searchIndex++;
        }
      }
      return {
        term,
-        col: resultIndex,
-        row
+        col: searchIndex,
+        row: y
      };
    }
  }
-  /**
-   * Translates a buffer line to a string, including subsequent lines if they are wraps.
-   * Wide characters will count as two columns in the resulting string. This
-   * function is useful for getting the actual text underneath the raw selection
-   * position.
-   * @param line The line being translated.
-   * @param trimRight Whether to trim whitespace to the right.
-   */
-  public translateBufferLineToStringWithWrap(lineIndex: number, trimRight: boolean): string {
-    let lineString = '';
-    let lineWrapsToNext: boolean;
-
-    do {
-      const nextLine = this._terminal._core.buffer.lines.get(lineIndex + 1);
-      lineWrapsToNext = nextLine ? nextLine.isWrapped : false;
-      lineString += this._terminal._core.buffer.translateBufferLineToString(lineIndex, !lineWrapsToNext && trimRight).substring(0, this._terminal.cols);
-      lineIndex++;
-    } while (lineWrapsToNext);
-
-    return lineString;
-  }

  /**
   * Selects and scrolls to a result.
@@ -292,11 +145,10 @@ export class SearchHelper implements ISearchHelper {
   */
  private _selectResult(result: ISearchResult): boolean {
    if (!result) {
-      this._terminal.clearSelection();
      return false;
    }
-    this._terminal._core.selectionManager.setSelection(result.col, result.row, result.term.length);
-    this._terminal.scrollLines(result.row - this._terminal._core.buffer.ydisp);
+    this._terminal.selectionManager.setSelection(result.col, result.row, result.term.length);
+    this._terminal.scrollLines(result.row - this._terminal.buffer.ydisp);
    return true;
  }
 }
@@ -1,313 +0,0 @@
-/**
- * Copyright (c) 2018 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-declare var require: any;
-
-import { assert, expect } from 'chai';
-import * as search from './search';
-import { SearchHelper } from './SearchHelper';
-import { ISearchOptions, ISearchResult } from './Interfaces';
-
-class MockTerminalPlain {}
-
-class MockTerminal {
-  private _core: any;
-  public searchHelper: TestSearchHelper;
-  public cols: number;
-  constructor(options: any) {
-    this._core = new (require('../../../lib/Terminal')).Terminal(options);
-    this.searchHelper = new TestSearchHelper(this as any);
-    this.cols = options.cols;
-  }
-  get core(): any {
-    return this._core;
-  }
-  pushWriteData(): void {
-    this._core._innerWrite();
-  }
-}
-
-class TestSearchHelper extends SearchHelper {
-  public findInLine(term: string, rowNumber: number, searchOptions?: ISearchOptions): ISearchResult {
-    return this._findInLine(term, rowNumber, 0, searchOptions);
-  }
-  public findFromIndex(term: string, row: number, col: number, searchOptions?: ISearchOptions, isReverseSearch?: boolean): ISearchResult {
-    return this._findInLine(term, row, col, searchOptions, isReverseSearch);
-  }
-}
-
-describe('search addon', () => {
-  describe('apply', () => {
-    it('should register findNext and findPrevious', () => {
-      search.apply(<any>MockTerminalPlain);
-      assert.equal(typeof (<any>MockTerminalPlain).prototype.findNext, 'function');
-      assert.equal(typeof (<any>MockTerminalPlain).prototype.findPrevious, 'function');
-    });
-  });
-  describe('find', () => {
-    it('Searchhelper - should find correct position', () => {
-      search.apply(<any>MockTerminal);
-      const term = new MockTerminal({cols: 20, rows: 3});
-      term.core.write('Hello World\r\ntest\n123....hello');
-      term.pushWriteData();
-      const hello0 = term.searchHelper.findInLine('Hello', 0);
-      const hello1 = term.searchHelper.findInLine('Hello', 1);
-      const hello2 = term.searchHelper.findInLine('Hello', 2);
-      expect(hello0).eql({col: 0, row: 0, term: 'Hello'});
-      expect(hello1).eql(undefined);
-      expect(hello2).eql({col: 11, row: 2, term: 'Hello'});
-    });
-    it('should find search term accross line wrap', () => {
-      search.apply(<any>MockTerminal);
-      const term = new MockTerminal({cols: 10, rows: 5});
-      term.core.write('texttextHellotext\r\n');
-      term.core.write('texttexttextHellotext         goodbye');
-      term.pushWriteData();
-      /*
-        texttextHe
-        llotext
-        texttextte
-        xtHellotex
-        t         (these spaces included intentionally)
-        goodbye
-      */
-
-      const hello0 = term.searchHelper.findInLine('Hello', 0);
-      const hello1 = term.searchHelper.findInLine('Hello', 1);
-      const hello2 = term.searchHelper.findInLine('Hello', 2);
-      const hello3 = term.searchHelper.findInLine('Hello', 3);
-      const llo = term.searchHelper.findInLine('llo', 1);
-      const goodbye = term.searchHelper.findInLine('goodbye', 2);
-      expect(hello0).eql({col: 8, row: 0, term: 'Hello'});
-      expect(hello1).eql(undefined);
-      expect(hello2).eql({col: 2, row: 3, term: 'Hello'});
-      expect(hello3).eql(undefined);
-      expect(llo).eql(undefined);
-      expect(goodbye).eql({col: 0, row: 5, term: 'goodbye'});
-      term.core.resize(9, 5);
-      const hello0Resize = term.searchHelper.findInLine('Hello', 0);
-      expect(hello0Resize).eql({col: 8, row: 0, term: 'Hello'});
-    });
-    it('should respect search regex', () => {
-      search.apply(<any>MockTerminal);
-      const term = new MockTerminal({cols: 10, rows: 4});
-      term.core.write('abcdefghijklmnopqrstuvwxyz\r\n~/dev  ');
-      /*
-        abcdefghij
-        klmnopqrst
-        uvwxyz
-        ~/dev
-      */
-      term.pushWriteData();
-      const searchOptions = {
-        regex: true,
-        wholeWord: false,
-        caseSensitive: false
-      };
-      const hello0 = term.searchHelper.findInLine('dee*', 0, searchOptions);
-      const hello1 = term.searchHelper.findInLine('jkk*', 0, searchOptions);
-      const hello2 = term.searchHelper.findInLine('mnn*', 1, searchOptions);
-      const tilda0 = term.searchHelper.findInLine('^~', 3, searchOptions);
-      const tilda1 = term.searchHelper.findInLine('^[~]', 3, searchOptions);
-      const tilda2 = term.searchHelper.findInLine('^\\~', 3, searchOptions);
-      expect(hello0).eql({col: 3, row: 0, term: 'de'});
-      expect(hello1).eql({col: 9, row: 0, term: 'jk'});
-      expect(hello2).eql(undefined);
-      expect(tilda0).eql({col: 0, row: 3, term: '~'});
-      expect(tilda1).eql({col: 0, row: 3, term: '~'});
-      expect(tilda2).eql({col: 0, row: 3, term: '~'});
-    });
-    it('should not select empty lines', () => {
-      search.apply(<any>MockTerminal);
-      const term = new MockTerminal({cols: 20, rows: 3});
-      const line = term.searchHelper.findInLine('^.*$', 0, { regex: true });
-      expect(line).eql(undefined);
-    });
-    it('should respect case sensitive', function(): void {
-      search.apply(<any>MockTerminal);
-      const term = new MockTerminal({cols: 20, rows: 4});
-      term.core.write('Hello World\r\n123....hello\r\nmoreTestHello');
-      term.pushWriteData();
-      const searchOptions = {
-        regex: false,
-        wholeWord: false,
-        caseSensitive: true
-      };
-      const hello0 = term.searchHelper.findInLine('Hello', 0, searchOptions);
-      const hello1 = term.searchHelper.findInLine('Hello', 1, searchOptions);
-      const hello2 = term.searchHelper.findInLine('Hello', 2, searchOptions);
-      expect(hello0).eql({col: 0, row: 0, term: 'Hello'});
-      expect(hello1).eql(undefined);
-      expect(hello2).eql({col: 8, row: 2, term: 'Hello'});
-    });
-    it('should respect case sensitive + regex', function(): void {
-      search.apply(<any>MockTerminal);
-      const term = new MockTerminal({cols: 20, rows: 4});
-      term.core.write('hellohello\r\nHelloHello');
-      term.pushWriteData();
-
-      /**
-       * hellohello
-       * HelloHello
-       */
-
-      const searchOptions = {
-        regex: true,
-        wholeWord: false,
-        caseSensitive: true
-      };
-      const hello0 = term.searchHelper.findInLine('Hello', 0, searchOptions);
-      const hello1 = term.searchHelper.findInLine('Hello$', 0, searchOptions);
-      const hello2 = term.searchHelper.findInLine('Hello', 1, searchOptions);
-      const hello3 = term.searchHelper.findInLine('Hello$', 1, searchOptions);
-      expect(hello0).eql(undefined);
-      expect(hello1).eql(undefined);
-      expect(hello2).eql({col: 0, row: 1, term: 'Hello'});
-      expect(hello3).eql({col: 5, row: 1, term: 'Hello'});
-    });
-    it('should respect whole-word search option', function(): void {
-      search.apply(<any>MockTerminal);
-      const term = new MockTerminal({cols: 20, rows: 5});
-      term.core.write('Hello World\r\nWorld Hello\r\nWorldHelloWorld\r\nHelloWorld\r\nWorldHello');
-      term.pushWriteData();
-      const searchOptions = {
-        regex: false,
-        wholeWord: true,
-        caseSensitive: false
-      };
-      const hello0 = term.searchHelper.findInLine('Hello', 0, searchOptions);
-      const hello1 = term.searchHelper.findInLine('Hello', 1, searchOptions);
-      const hello2 = term.searchHelper.findInLine('Hello', 2, searchOptions);
-      const hello3 = term.searchHelper.findInLine('Hello', 3, searchOptions);
-      const hello4 = term.searchHelper.findInLine('Hello', 4, searchOptions);
-      expect(hello0).eql({col: 0, row: 0, term: 'Hello'});
-      expect(hello1).eql({col: 6, row: 1, term: 'Hello'});
-      expect(hello2).eql(undefined);
-      expect(hello3).eql(undefined);
-      expect(hello4).eql(undefined);
-    });
-    it('should respect whole-word + case sensitive search options', function(): void {
-      search.apply(<any>MockTerminal);
-      const term = new MockTerminal({cols: 20, rows: 5});
-      term.core.write('Hello World\r\nHelloWorld');
-      term.pushWriteData();
-      const searchOptions = {
-        regex: false,
-        wholeWord: true,
-        caseSensitive: true
-      };
-      const hello0 = term.searchHelper.findInLine('Hello', 0, searchOptions);
-      const hello1 = term.searchHelper.findInLine('hello', 0, searchOptions);
-      const hello2 = term.searchHelper.findInLine('Hello', 1, searchOptions);
-      const hello3 = term.searchHelper.findInLine('hello', 1, searchOptions);
-      expect(hello0).eql({col: 0, row: 0, term: 'Hello'});
-      expect(hello1).eql(undefined);
-      expect(hello2).eql(undefined);
-      expect(hello3).eql(undefined);
-    });
-    it('should respect whole-word + regex search options', function(): void {
-      search.apply(<any>MockTerminal);
-      const term = new MockTerminal({cols: 20, rows: 5});
-      term.core.write('Hello World Hello\r\nHelloWorldHello');
-      term.pushWriteData();
-      const searchOptions = {
-        regex: true,
-        wholeWord: true,
-        caseSensitive: false
-      };
-      const hello0 = term.searchHelper.findInLine('Hello', 0, searchOptions);
-      const hello1 = term.searchHelper.findInLine('Hello$', 0, searchOptions);
-      const hello2 = term.searchHelper.findInLine('Hello', 1, searchOptions);
-      const hello3 = term.searchHelper.findInLine('Hello$', 1, searchOptions);
-      expect(hello0).eql({col: 0, row: 0, term: 'hello'});
-      expect(hello1).eql({col: 12, row: 0, term: 'hello'});
-      expect(hello2).eql(undefined);
-      expect(hello3).eql(undefined);
-    });
-    it('should respect all search options', function(): void {
-      search.apply(<any>MockTerminal);
-      const term = new MockTerminal({cols: 20, rows: 5});
-      term.core.write('Hello World Hello\r\nHelloWorldHello');
-      term.pushWriteData();
-      const searchOptions = {
-        regex: true,
-        wholeWord: true,
-        caseSensitive: true
-      };
-      const hello0 = term.searchHelper.findInLine('Hello', 0, searchOptions);
-      const hello1 = term.searchHelper.findInLine('Hello$', 0, searchOptions);
-      const hello2 = term.searchHelper.findInLine('hello', 0, searchOptions);
-      const hello3 = term.searchHelper.findInLine('hello$', 0, searchOptions);
-      const hello4 = term.searchHelper.findInLine('hello', 1, searchOptions);
-      const hello5 = term.searchHelper.findInLine('hello$', 1, searchOptions);
-      expect(hello0).eql({col: 0, row: 0, term: 'Hello'});
-      expect(hello1).eql({col: 12, row: 0, term: 'Hello'});
-      expect(hello2).eql(undefined);
-      expect(hello3).eql(undefined);
-      expect(hello4).eql(undefined);
-      expect(hello5).eql(undefined);
-    });
-    it('should find multiple matches in line', function(): void {
-      search.apply(<any>MockTerminal);
-      const term = new MockTerminal({cols: 20, rows: 5});
-      term.core.write('helloooo helloooo\r\naaaAAaaAAA');
-      term.pushWriteData();
-      const searchOptions = {
-        regex: false,
-        wholeWord: false,
-        caseSensitive: false
-      };
-      const find0 = term.searchHelper.findFromIndex('hello', 0, 0, searchOptions);
-      const find1 = term.searchHelper.findFromIndex('hello', 0, find0.col + find0.term.length, searchOptions);
-      const find2 = term.searchHelper.findFromIndex('aaaa', 1, 0, searchOptions);
-      const find3 = term.searchHelper.findFromIndex('aaaa', 1, find2.col + find2.term.length, searchOptions);
-      const find4 = term.searchHelper.findFromIndex('aaaa', 1, find3.col + find3.term.length, searchOptions);
-      expect(find0).eql({col: 0, row: 0, term: 'hello'});
-      expect(find1).eql({col: 9, row: 0, term: 'hello'});
-      expect(find2).eql({col: 0, row: 1, term: 'aaaa'});
-      expect(find3).eql({col: 4, row: 1, term: 'aaaa'});
-      expect(find4).eql(undefined);
-    });
-    it('should find multiple matches in line - reverse search', function(): void {
-      search.apply(<any>MockTerminal);
-      const term = new MockTerminal({cols: 20, rows: 5});
-      term.core.write('it is what it is');
-      term.pushWriteData();
-      const searchOptions = {
-        regex: false,
-        wholeWord: false,
-        caseSensitive: false
-      };
-      const isReverseSearch = true;
-      const find0 = term.searchHelper.findFromIndex('is', 0, 16, searchOptions, isReverseSearch);
-      const find1 = term.searchHelper.findFromIndex('is', 0, find0.col, searchOptions, isReverseSearch);
-      const find2 = term.searchHelper.findFromIndex('it', 0, 16, searchOptions, isReverseSearch);
-      const find3 = term.searchHelper.findFromIndex('it', 0, find2.col, searchOptions, isReverseSearch);
-      expect(find0).eql({col: 14, row: 0, term: 'is'});
-      expect(find1).eql({col: 3, row: 0, term: 'is'});
-      expect(find2).eql({col: 11, row: 0, term: 'it'});
-      expect(find3).eql({col: 0, row: 0, term: 'it'});
-    });
-    it('should find multiple matches in line - reverse search with regex', function(): void {
-      search.apply(<any>MockTerminal);
-      const term = new MockTerminal({cols: 20, rows: 5});
-      term.core.write('zzzABCzzzzABCABC');
-      term.pushWriteData();
-      const searchOptions = {
-        regex: true,
-        wholeWord: false,
-        caseSensitive: true
-      };
-      const isReverseSearch = true;
-      const find0 = term.searchHelper.findFromIndex('[A-Z]{3}', 0, 16, searchOptions, isReverseSearch);
-      const find1 = term.searchHelper.findFromIndex('[A-Z]{3}', 0, find0.col, searchOptions, isReverseSearch);
-      const find2 = term.searchHelper.findFromIndex('[A-Z]{3}', 0, find1.col, searchOptions, isReverseSearch);
-      const find3 = term.searchHelper.findFromIndex('[A-Z]{3}', 0, find2.col, searchOptions, isReverseSearch);
-      expect(find0).eql({col: 13, row: 0, term: 'ABC'});
-      expect(find1).eql({col: 10, row: 0, term: 'ABC'});
-      expect(find2).eql({col: 3, row: 0, term: 'ABC'});
-      expect(find3).eql(undefined);
-    });
-  });
-});
@@ -3,46 +3,46 @@
 * @license MIT
 */

+/// <reference path="../../../typings/xterm.d.ts"/>
+
 import { SearchHelper } from './SearchHelper';
 import { Terminal } from 'xterm';
-import { ISearchAddonTerminal, ISearchOptions } from './Interfaces';
+import { ISearchAddonTerminal } from './Interfaces';

 /**
 * Find the next instance of the term, then scroll to and select it. If it
 * doesn't exist, do nothing.
- * @param term The search term.
- * @param searchOptions Search options
+ * @param term Tne search term.
 * @return Whether a result was found.
 */
-export function findNext(terminal: Terminal, term: string, searchOptions: ISearchOptions = {}): boolean {
+export function findNext(terminal: Terminal, term: string): boolean {
  const addonTerminal = <ISearchAddonTerminal>terminal;
  if (!addonTerminal.__searchHelper) {
    addonTerminal.__searchHelper = new SearchHelper(addonTerminal);
  }
-  return addonTerminal.__searchHelper.findNext(term, searchOptions);
+  return addonTerminal.__searchHelper.findNext(term);
 }

 /**
 * Find the previous instance of the term, then scroll to and select it. If it
 * doesn't exist, do nothing.
- * @param term The search term.
- * @param searchOptions Search options
+ * @param term Tne search term.
 * @return Whether a result was found.
 */
-export function findPrevious(terminal: Terminal, term: string, searchOptions: ISearchOptions): boolean {
+export function findPrevious(terminal: Terminal, term: string): boolean {
  const addonTerminal = <ISearchAddonTerminal>terminal;
  if (!addonTerminal.__searchHelper) {
    addonTerminal.__searchHelper = new SearchHelper(addonTerminal);
  }
-  return addonTerminal.__searchHelper.findPrevious(term, searchOptions);
+  return addonTerminal.__searchHelper.findPrevious(term);
 }

 export function apply(terminalConstructor: typeof Terminal): void {
-  (<any>terminalConstructor.prototype).findNext = function(term: string, searchOptions: ISearchOptions): boolean {
-    return findNext(this, term, searchOptions);
+  (<any>terminalConstructor.prototype).findNext = function(term: string): boolean {
+    return findNext(this, term);
  };

-  (<any>terminalConstructor.prototype).findPrevious = function(term: string, searchOptions: ISearchOptions): boolean {
-    return findPrevious(this, term, searchOptions);
+  (<any>terminalConstructor.prototype).findPrevious = function(term: string): boolean {
+    return findPrevious(this, term);
  };
 }
@@ -2,22 +2,10 @@
  "compilerOptions": {
    "module": "commonjs",
    "target": "es5",
-    "lib": [
-      "dom",
-      "es5"
-    ],
    "rootDir": ".",
    "outDir": "../../../lib/addons/search/",
    "sourceMap": true,
    "removeComments": true,
-    "declaration": true,
-    "preserveWatchOutput": true,
-    "types": [
-      "../../node_modules/@types/mocha"
-    ]
-  },
-  "include": [
-    "**/*.ts",
-    "../../../typings/xterm.d.ts"
-  ]
+    "declaration": true
+  }
 }
@@ -3,7 +3,7 @@
 * @license MIT
 */

-import { assert } from 'chai';
+import { assert, expect } from 'chai';

 import * as terminado from './terminado';

@@ -6,6 +6,8 @@
 * WebSocket stream.
 */

+/// <reference path="../../../typings/xterm.d.ts"/>
+
 import { Terminal } from 'xterm';
 import { ITerminadoAddonTerminal } from './Interfaces';

@@ -2,21 +2,10 @@
  "compilerOptions": {
    "module": "commonjs",
    "target": "es5",
-    "lib": [
-      "es5"
-    ],
    "rootDir": ".",
    "outDir": "../../../lib/addons/terminado/",
    "sourceMap": true,
    "removeComments": true,
-    "declaration": true,
-    "preserveWatchOutput": true,
-    "types": [
-      "../../node_modules/@types/mocha"
-    ]
-  },
-  "include": [
-    "**/*.ts",
-    "../../../typings/xterm.d.ts"
-  ]
+    "declaration": true
+  }
 }
@@ -2,22 +2,10 @@
  "compilerOptions": {
    "module": "commonjs",
    "target": "es5",
-    "lib": [
-      "dom",
-      "es5",
-    ],
    "rootDir": ".",
    "outDir": "../../../lib/addons/webLinks/",
    "sourceMap": true,
    "removeComments": true,
-    "declaration": true,
-    "preserveWatchOutput": true,
-    "types": [
-      "../../node_modules/@types/mocha"
-    ]
-  },
-  "include": [
-    "**/*.ts",
-    "../../../typings/xterm.d.ts"
-  ]
+    "declaration": true
+  }
 }
@@ -3,7 +3,7 @@
 * @license MIT
 */

-import { assert } from 'chai';
+import { assert, expect } from 'chai';

 import * as webLinks from './webLinks';

@@ -34,57 +34,9 @@ describe('webLinks addon', () => {

    const row = '  http://foo.com/a~b#c~d?e~f  ';

-    const match = row.match(term.regex);
-    const uri = match[term.options.matchIndex];
+    let match = row.match(term.regex);
+    let uri = match[term.options.matchIndex];

    assert.equal(uri, 'http://foo.com/a~b#c~d?e~f');
  });
-
-  it('should allow : character in URI path', () => {
-    const term = new MockTerminal();
-    webLinks.webLinksInit(<any>term);
-
-    const row = '  http://foo.com/colon:test  ';
-
-    const match = row.match(term.regex);
-    const uri = match[term.options.matchIndex];
-
-    assert.equal(uri, 'http://foo.com/colon:test');
-  });
-
-  it('should not allow : character at the end of a URI path', () => {
-    const term = new MockTerminal();
-    webLinks.webLinksInit(<any>term);
-
-    const row = '  http://foo.com/colon:test:  ';
-
-    const match = row.match(term.regex);
-    const uri = match[term.options.matchIndex];
-
-    assert.equal(uri, 'http://foo.com/colon:test');
-  });
-
-  it('should not allow " character at the end of a URI enclosed with ""', () => {
-    const term = new MockTerminal();
-    webLinks.webLinksInit(<any>term);
-
-    const row = '"http://foo.com/"';
-
-    const match = row.match(term.regex);
-    const uri = match[term.options.matchIndex];
-
-    assert.equal(uri, 'http://foo.com/');
-  });
-
-  it('should not allow \' character at the end of a URI enclosed with \'\'', () => {
-    const term = new MockTerminal();
-    webLinks.webLinksInit(<any>term);
-
-    const row = '\'http://foo.com/\'';
-
-    const match = row.match(term.regex);
-    const uri = match[term.options.matchIndex];
-
-    assert.equal(uri, 'http://foo.com/');
-  });
 });
@@ -3,6 +3,8 @@
 * @license MIT
 */

+/// <reference path="../../../typings/xterm.d.ts"/>
+
 import { Terminal, ILinkMatcherOptions } from 'xterm';

 const protocolClause = '(https?:\\/\\/)';
@@ -14,7 +16,7 @@ const ipClause = '((\\d{1,3}\\.){3}\\d{1,3})';
 const localHostClause = '(localhost)';
 const portClause = '(:\\d{1,5})';
 const hostClause = '((' + domainBodyClause + '\\.' + tldClause + ')|' + ipClause + '|' + localHostClause + ')' + portClause + '?';
-const pathClause = '(\\/[\\/\\w\\.\\-%~:]*)*([^:"\'\\s])';
+const pathClause = '(\\/[\\/\\w\\.\\-%~]*)*';
 const queryStringHashFragmentCharacterSet = '[0-9\\w\\[\\]\\(\\)\\/\\?\\!#@$%&\'*+,:;~\\=\\.\\-]*';
 const queryStringClause = '(\\?' + queryStringHashFragmentCharacterSet + ')?';
 const hashFragmentClause = '(#' + queryStringHashFragmentCharacterSet + ')?';
@@ -5,10 +5,6 @@

 import { Terminal } from 'xterm';

-export interface ITerminalCore {
+export interface IWinptyCompatAddonTerminal extends Terminal {
  buffer: any;
 }
-
-export interface IWinptyCompatAddonTerminal extends Terminal {
-  _core: ITerminalCore;
-}
@@ -2,21 +2,10 @@
  "compilerOptions": {
    "module": "commonjs",
    "target": "es5",
-    "lib": [
-      "es5"
-    ],
    "rootDir": ".",
    "outDir": "../../../lib/addons/winptyCompat/",
    "sourceMap": true,
    "removeComments": true,
-    "declaration": true,
-    "preserveWatchOutput": true,
-    "types": [
-      "../../node_modules/@types/mocha"
-    ]
-  },
-  "include": [
-    "**/*.ts",
-    "../../../typings/xterm.d.ts"
-  ]
+    "declaration": true
+  }
 }
@@ -3,7 +3,7 @@
 * @license MIT
 */

-import { assert } from 'chai';
+import { assert, expect } from 'chai';

 import * as winptyCompat from './winptyCompat';

@@ -3,13 +3,11 @@
 * @license MIT
 */

+/// <reference path="../../../typings/xterm.d.ts"/>
+
 import { Terminal } from 'xterm';
 import { IWinptyCompatAddonTerminal } from './Interfaces';

-const CHAR_DATA_CODE_INDEX = 3;
-const NULL_CELL_CODE = 0;
-const WHITESPACE_CELL_CODE = 32;
-
 export function winptyCompatInit(terminal: Terminal): void {
  const addonTerminal = <IWinptyCompatAddonTerminal>terminal;

@@ -30,12 +28,12 @@ export function winptyCompatInit(terminal: Terminal): void {
  // Windows when text reaches the end of the terminal it's likely going to be
  // wrapped.
  addonTerminal.on('linefeed', () => {
-    const line = addonTerminal._core.buffer.lines.get(addonTerminal._core.buffer.ybase + addonTerminal._core.buffer.y - 1);
-    const lastChar = line.get(addonTerminal.cols - 1);
+    const line = addonTerminal.buffer.lines.get(addonTerminal.buffer.ybase + addonTerminal.buffer.y - 1);
+    const lastChar = line[addonTerminal.cols - 1];

-    if (lastChar[CHAR_DATA_CODE_INDEX] !== NULL_CELL_CODE && lastChar[CHAR_DATA_CODE_INDEX] !== WHITESPACE_CELL_CODE) {
-      const nextLine = addonTerminal._core.buffer.lines.get(addonTerminal._core.buffer.ybase + addonTerminal._core.buffer.y);
-      nextLine.isWrapped = true;
+    if (lastChar[3] !== 32 /* ' ' */) {
+      const nextLine = addonTerminal.buffer.lines.get(addonTerminal.buffer.ybase + addonTerminal.buffer.y);
+      (<any>nextLine).isWrapped = true;
    }
  });
 }
@@ -2,21 +2,10 @@
  "compilerOptions": {
    "module": "commonjs",
    "target": "es5",
-    "lib": [
-      "es5"
-    ],
    "rootDir": ".",
    "outDir": "../../../lib/addons/zmodem/",
    "sourceMap": true,
    "removeComments": true,
-    "declaration": true,
-    "preserveWatchOutput": true,
-    "types": [
-      "../../node_modules/@types/mocha"
-    ]
-  },
-  "include": [
-    "**/*.ts",
-    "../../../typings/xterm.d.ts"
-  ]
+    "declaration": true
+  }
 }
@@ -3,7 +3,7 @@
 * @license MIT
 */

-import { assert } from 'chai';
+import { assert, expect } from 'chai';

 import * as zmodem from './zmodem';

@@ -3,6 +3,8 @@
 * @license MIT
 */

+/// <reference path="../../../typings/xterm.d.ts"/>
+
 import { Terminal } from 'xterm';

 /**
@@ -34,7 +36,7 @@ import { Terminal } from 'xterm';
 *  via `detach()` and a re-`attach()`.)
 */

-let zmodem: any;
+let zmodem;

 export interface IZmodemOptions {
  noTerminalWriteOutsideSession?: boolean;
@@ -44,15 +46,15 @@ function zmodemAttach(ws: WebSocket, opts: IZmodemOptions = {}): void {
  const term = this;
  const senderFunc = (octets: ArrayLike<number>) => ws.send(new Uint8Array(octets));

-  let zsentry: any;
+  let zsentry;

-  function shouldWrite(): boolean {
+  function _shouldWrite(): boolean {
    return !!zsentry.get_confirmed_session() || !opts.noTerminalWriteOutsideSession;
  }

  zsentry = new zmodem.Sentry({
    to_terminal: (octets: ArrayLike<number>) => {
-      if (shouldWrite()) {
+      if (_shouldWrite()) {
        term.write(
          String.fromCharCode.apply(String, octets)
        );
@@ -70,7 +72,7 @@ function zmodemAttach(ws: WebSocket, opts: IZmodemOptions = {}): void {
    // may be specific to xterm.js’s demo, ultimately we
    // should reject anything that isn’t binary.
    if (typeof evt.data === 'string') {
-      if (shouldWrite()) {
+      if (_shouldWrite()) {
        term.write(evt.data);
      }
    }
@@ -1,45 +0,0 @@
-/**
- * Copyright (c) 2018 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-
-import { assert } from 'chai';
-import { Disposable } from './Lifecycle';
-
-class TestDisposable extends Disposable {
-  public get isDisposed(): boolean {
-    return this._isDisposed;
-  }
-}
-
-describe('Disposable', () => {
-  describe('register', () => {
-    it('should register disposables', () => {
-      const d = new TestDisposable();
-      const d2 = {
-        dispose: () => { throw new Error(); }
-      };
-      d.register(d2);
-      assert.throws(() => d.dispose());
-    });
-  });
-  describe('unregister', () => {
-    it('should unregister disposables', () => {
-      const d = new TestDisposable();
-      const d2 = {
-        dispose: () => { throw new Error(); }
-      };
-      d.register(d2);
-      d.unregister(d2);
-      assert.doesNotThrow(() => d.dispose());
-    });
-  });
-  describe('dispose', () => {
-    it('should set is disposed flag', () => {
-      const d = new TestDisposable();
-      assert.isFalse(d.isDisposed);
-      d.dispose();
-      assert.isTrue(d.isDisposed);
-    });
-  });
-});
@@ -1,47 +0,0 @@
-/**
- * Copyright (c) 2018 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-
-import { IDisposable } from 'xterm';
-
-/**
- * A base class that can be extended to provide convenience methods for managing the lifecycle of an
- * object and its components.
- */
-export abstract class Disposable implements IDisposable {
-  protected _disposables: IDisposable[] = [];
-  protected _isDisposed: boolean = false;
-
-  constructor() {
-  }
-
-  /**
-   * Disposes the object, triggering the `dispose` method on all registered IDisposables.
-   */
-  public dispose(): void {
-    this._isDisposed = true;
-    this._disposables.forEach(d => d.dispose());
-    this._disposables.length = 0;
-  }
-
-  /**
-   * Registers a disposable object.
-   * @param d The disposable to register.
-   */
-  public register<T extends IDisposable>(d: T): void {
-    this._disposables.push(d);
-  }
-
-  /**
-   * Unregisters a disposable object if it has been registered, if not do
-   * nothing.
-   * @param d The disposable to unregister.
-   */
-  public unregister<T extends IDisposable>(d: T): void {
-    const index = this._disposables.indexOf(d);
-    if (index !== -1) {
-      this._disposables.splice(index, 1);
-    }
-  }
-}
@@ -1,97 +0,0 @@
-/**
- * Copyright (c) 2018 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-import { assert } from 'chai';
-import { fillFallback, concat } from './TypedArrayUtils';
-
-type TypedArray = Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray
-  | Int8Array | Int16Array | Int32Array
-  | Float32Array | Float64Array;
-
-function deepEquals(a: TypedArray, b: TypedArray): void {
-  assert.equal(a.length, b.length);
-  for (let i = 0; i < a.length; ++i) {
-    assert.equal(a[i], b[i]);
-  }
-}
-
-describe('polyfill conformance tests', function(): void {
-  describe('TypedArray.fill', function(): void {
-    it('should work with all typed array types', function(): void {
-      const u81 = new Uint8Array(5);
-      const u82 = new Uint8Array(5);
-      deepEquals(fillFallback(u81, 2), u82.fill(2));
-      deepEquals(fillFallback(u81, -1), u82.fill(-1));
-      const u161 = new Uint16Array(5);
-      const u162 = new Uint16Array(5);
-      deepEquals(fillFallback(u161, 2), u162.fill(2));
-      deepEquals(fillFallback(u161, 65535), u162.fill(65535));
-      deepEquals(fillFallback(u161, -1), u162.fill(-1));
-      const u321 = new Uint32Array(5);
-      const u322 = new Uint32Array(5);
-      deepEquals(fillFallback(u321, 2), u322.fill(2));
-      deepEquals(fillFallback(u321, 65537), u322.fill(65537));
-      deepEquals(fillFallback(u321, -1), u322.fill(-1));
-      const i81 = new Int8Array(5);
-      const i82 = new Int8Array(5);
-      deepEquals(fillFallback(i81, 2), i82.fill(2));
-      deepEquals(fillFallback(i81, -1), i82.fill(-1));
-      const i161 = new Int16Array(5);
-      const i162 = new Int16Array(5);
-      deepEquals(fillFallback(i161, 2), i162.fill(2));
-      deepEquals(fillFallback(i161, 65535), i162.fill(65535));
-      deepEquals(fillFallback(i161, -1), i162.fill(-1));
-      const i321 = new Int32Array(5);
-      const i322 = new Int32Array(5);
-      deepEquals(fillFallback(i321, 2), i322.fill(2));
-      deepEquals(fillFallback(i321, 65537), i322.fill(65537));
-      deepEquals(fillFallback(i321, -1), i322.fill(-1));
-      const f321 = new Float32Array(5);
-      const f322 = new Float32Array(5);
-      deepEquals(fillFallback(f321, 1.2345), f322.fill(1.2345));
-      const f641 = new Float64Array(5);
-      const f642 = new Float64Array(5);
-      deepEquals(fillFallback(f641, 1.2345), f642.fill(1.2345));
-      const u8Clamped1 = new Uint8ClampedArray(5);
-      const u8Clamped2 = new Uint8ClampedArray(5);
-      deepEquals(fillFallback(u8Clamped1, 2), u8Clamped2.fill(2));
-      deepEquals(fillFallback(u8Clamped1, 257), u8Clamped2.fill(257));
-    });
-    it('start offset', function(): void {
-      for (let i = -2; i < 10; ++i) {
-        const u81 = new Uint8Array(5);
-        const u83 = new Uint8Array(5);
-        deepEquals(fillFallback(u81, 2, i), u83.fill(2, i));
-        deepEquals(fillFallback(u81, -1, i), u83.fill(-1, i));
-      }
-    });
-    it('end offset', function(): void {
-      for (let i = -2; i < 10; ++i) {
-        const u81 = new Uint8Array(5);
-        const u83 = new Uint8Array(5);
-        deepEquals(fillFallback(u81, 2, 0, i), u83.fill(2, 0, i));
-        deepEquals(fillFallback(u81, -1, 0, i), u83.fill(-1, 0, i));
-      }
-    });
-    it('start/end offset', function(): void {
-      for (let i = -2; i < 10; ++i) {
-        for (let j = -2; j < 10; ++j) {
-          const u81 = new Uint8Array(5);
-          const u83 = new Uint8Array(5);
-          deepEquals(fillFallback(u81, 2, i, j), u83.fill(2, i, j));
-          deepEquals(fillFallback(u81, -1, i, j), u83.fill(-1, i, j));
-        }
-      }
-    });
-  });
-});
-
-describe('typed array convenience functions', () => {
-  it('concat', () => {
-    const a = new Uint8Array([1, 2, 3, 4, 5]);
-    const b = new Uint8Array([6, 7, 8, 9, 0]);
-    const merged = concat(a, b);
-    deepEquals(merged, new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8, 9, 0]));
-  });
-});
@@ -1,52 +0,0 @@
-/**
- * Copyright (c) 2018 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-
-export type TypedArray = Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray
-  | Int8Array | Int16Array | Int32Array
-  | Float32Array | Float64Array;
-
-
-/**
- * polyfill for TypedArray.fill
- * This is needed to support .fill in all safari versions and IE 11.
- */
-export function fill<T extends TypedArray>(array: T, value: number, start?: number, end?: number): T {
-  // all modern engines that support .fill
-  if (array.fill) {
-    return array.fill(value, start, end) as T;
-  }
-  return fillFallback(array, value, start, end);
-}
-
-export function fillFallback<T extends TypedArray>(array: T, value: number, start: number = 0, end: number = array.length): T {
-  // safari and IE 11
-  // since IE 11 does not support Array.prototype.fill either
-  // we cannot use the suggested polyfill from MDN
-  // instead we simply fall back to looping
-  if (start >= array.length) {
-    return array;
-  }
-  start = (array.length + start) % array.length;
-  if (end >= array.length) {
-    end = array.length;
-  } else {
-    end = (array.length + end) % array.length;
-  }
-  for (let i = start; i < end; ++i) {
-    array[i] = value;
-  }
-  return array;
-}
-
-/**
- * Concat two typed arrays `a` and `b`.
- * Returns a new typed array.
- */
-export function concat<T extends TypedArray>(a: T, b: T): T {
-  const result = new (a.constructor as any)(a.length + b.length);
-  result.set(a);
-  result.set(b, a.length);
-  return result;
-}
@@ -1,37 +0,0 @@
-/**
- * Copyright (c) 2018 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-
-import { IEventEmitter } from 'xterm';
-
-export type XtermListener = (...args: any[]) => void;
-
-/**
- * A keyboard event interface which does not depend on the DOM, KeyboardEvent implicitly extends
- * this event.
- */
-export interface IKeyboardEvent {
-  altKey: boolean;
-  ctrlKey: boolean;
-  shiftKey: boolean;
-  metaKey: boolean;
-  keyCode: number;
-  key: string;
-  type: string;
-}
-
-export interface ICircularList<T> extends IEventEmitter {
-  length: number;
-  maxLength: number;
-  isFull: boolean;
-
-  get(index: number): T | undefined;
-  set(index: number, value: T): void;
-  push(value: T): void;
-  recycle(): T | undefined;
-  pop(): T | undefined;
-  splice(start: number, deleteCount: number, ...items: T[]): void;
-  trimStart(count: number): void;
-  shiftElements(start: number, count: number, offset: number): void;
-}
@@ -1,19 +0,0 @@
-{
-  "compilerOptions": {
-    "target": "es5",
-    "lib": [
-      "es5"
-    ],
-    "rootDir": ".",
-    "noEmit": true,
-    "strict": true,
-    "pretty": true,
-    "types": [
-      "../../node_modules/@types/mocha",
-      "../../"
-    ]
-  },
-  "include": [
-    "./**/*"
-  ]
-}
@@ -1,21 +0,0 @@
-/**
- * Copyright (c) 2018 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-
-export const enum KeyboardResultType {
-  SEND_KEY,
-  SELECT_ALL,
-  PAGE_UP,
-  PAGE_DOWN
-}
-
-export interface IKeyboardResult {
-  type: KeyboardResultType;
-  cancel: boolean;
-  key: string | undefined;
-}
-
-export interface ICharset {
-  [key: string]: string;
-}
@@ -1,296 +0,0 @@
-
-import { assert } from 'chai';
-import { evaluateKeyboardEvent } from './Keyboard';
-import { IKeyboardResult } from '../Types';
-import { IKeyboardEvent } from '../../common/Types';
-
-/**
- * A helper function for testing which allows passing in a partial event and defaults will be filled
- * in on it.
- */
-function testEvaluateKeyboardEvent(partialEvent: {
-  altKey?: boolean;
-  ctrlKey?: boolean;
-  shiftKey?: boolean;
-  metaKey?: boolean;
-  keyCode?: number;
-  key?: string;
-  type?: string;
-}, partialOptions: {
-  applicationCursorMode?: boolean;
-  isMac?: boolean;
-  macOptionIsMeta?: boolean;
-} = {}): IKeyboardResult {
-  const event: IKeyboardEvent = {
-    altKey: partialEvent.altKey || false,
-    ctrlKey: partialEvent.ctrlKey || false,
-    shiftKey: partialEvent.shiftKey || false,
-    metaKey: partialEvent.metaKey || false,
-    keyCode: partialEvent.keyCode !== undefined ? partialEvent.keyCode : 0,
-    key: partialEvent.key || '',
-    type: partialEvent.type || ''
-  };
-  const options = {
-    applicationCursorMode: partialOptions.applicationCursorMode || false,
-    isMac: partialOptions.isMac || false,
-    macOptionIsMeta: partialOptions.macOptionIsMeta || false
-  };
-  return evaluateKeyboardEvent(event, options.applicationCursorMode, options.isMac, options.macOptionIsMeta);
-}
-
-describe('Keyboard', () => {
-  describe('evaluateKeyEscapeSequence', () => {
-    it('should return the correct escape sequence for unmodified keys', () => {
-      // Backspace
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 8 }).key, '\x7f'); // ^?
-      // Tab
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 9 }).key, '\t');
-      // Return/enter
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 13 }).key, '\r'); // CR
-      // Escape
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 27 }).key, '\x1b');
-      // Page up, page down
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 33 }).key, '\x1b[5~'); // CSI 5 ~
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 34 }).key, '\x1b[6~'); // CSI 6 ~
-      // End, Home
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 35 }).key, '\x1b[F'); // SS3 F
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 36 }).key, '\x1b[H'); // SS3 H
-      // Left, up, right, down arrows
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 37 }).key, '\x1b[D'); // CSI D
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 38 }).key, '\x1b[A'); // CSI A
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 39 }).key, '\x1b[C'); // CSI C
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 40 }).key, '\x1b[B'); // CSI B
-      // Insert
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 45 }).key, '\x1b[2~'); // CSI 2 ~
-      // Delete
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 46 }).key, '\x1b[3~'); // CSI 3 ~
-      // F1-F12
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 112 }).key, '\x1bOP'); // SS3 P
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 113 }).key, '\x1bOQ'); // SS3 Q
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 114 }).key, '\x1bOR'); // SS3 R
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 115 }).key, '\x1bOS'); // SS3 S
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 116 }).key, '\x1b[15~'); // CSI 1 5 ~
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 117 }).key, '\x1b[17~'); // CSI 1 7 ~
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 118 }).key, '\x1b[18~'); // CSI 1 8 ~
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 119 }).key, '\x1b[19~'); // CSI 1 9 ~
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 120 }).key, '\x1b[20~'); // CSI 2 0 ~
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 121 }).key, '\x1b[21~'); // CSI 2 1 ~
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 122 }).key, '\x1b[23~'); // CSI 2 3 ~
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 123 }).key, '\x1b[24~'); // CSI 2 4 ~
-    });
-    it('should return \\x1b[3;5~ for ctrl+delete', () => {
-      assert.equal(testEvaluateKeyboardEvent({ ctrlKey: true, keyCode: 46 }).key, '\x1b[3;5~');
-    });
-    it('should return \\x1b[3;2~ for shift+delete', () => {
-      assert.equal(testEvaluateKeyboardEvent({ shiftKey: true, keyCode: 46 }).key, '\x1b[3;2~');
-    });
-    it('should return \\x1b[3;3~ for alt+delete', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, keyCode: 46 }).key, '\x1b[3;3~');
-    });
-    it('should return \\x1b[5D for ctrl+left', () => {
-      assert.equal(testEvaluateKeyboardEvent({ ctrlKey: true, keyCode: 37 }).key, '\x1b[1;5D'); // CSI 5 D
-    });
-    it('should return \\x1b[5C for ctrl+right', () => {
-      assert.equal(testEvaluateKeyboardEvent({ ctrlKey: true, keyCode: 39 }).key, '\x1b[1;5C'); // CSI 5 C
-    });
-    it('should return \\x1b[5A for ctrl+up', () => {
-      assert.equal(testEvaluateKeyboardEvent({ ctrlKey: true, keyCode: 38 }).key, '\x1b[1;5A'); // CSI 5 A
-    });
-    it('should return \\x1b[5B for ctrl+down', () => {
-      assert.equal(testEvaluateKeyboardEvent({ ctrlKey: true, keyCode: 40 }).key, '\x1b[1;5B'); // CSI 5 B
-    });
-
-    describe('On non-macOS platforms', () => {
-      // Evalueate alt + arrow key movement, which is a feature of terminal emulators but not VT100
-      // http://unix.stackexchange.com/a/108106
-      it('should return \\x1b[5D for alt+left', () => {
-        assert.equal(testEvaluateKeyboardEvent({ altKey: true, keyCode: 37 }, { isMac: false }).key, '\x1b[1;5D'); // CSI 5 D
-      });
-      it('should return \\x1b[5C for alt+right', () => {
-        assert.equal(testEvaluateKeyboardEvent({ altKey: true, keyCode: 39 }, { isMac: false }).key, '\x1b[1;5C'); // CSI 5 C
-      });
-      it('should return \\x1ba for alt+a', () => {
-        assert.equal(testEvaluateKeyboardEvent({ altKey: true, keyCode: 65 }, { isMac: false }).key, '\x1ba');
-      });
-    });
-
-    describe('On macOS platforms', () => {
-      it('should return \\x1bb for alt+left', () => {
-        assert.equal(testEvaluateKeyboardEvent({ altKey: true, keyCode: 37 }, { isMac: true }).key, '\x1bb'); // CSI 5 D
-      });
-      it('should return \\x1bf for alt+right', () => {
-        assert.equal(testEvaluateKeyboardEvent({ altKey: true, keyCode: 39 }, { isMac: true }).key, '\x1bf'); // CSI 5 C
-      });
-      it('should return undefined for alt+a', () => {
-        assert.strictEqual(testEvaluateKeyboardEvent({ altKey: true, keyCode: 65 }, { isMac: true }).key, undefined), { isMac: true };
-      });
-    });
-
-    describe('with macOptionIsMeta', () => {
-      it('should return \\x1ba for alt+a', () => {
-        assert.equal(testEvaluateKeyboardEvent({ altKey: true, keyCode: 65 }, { isMac: true, macOptionIsMeta: true }).key, '\x1ba');
-      });
-    });
-
-    it('should return \\x1b[5A for alt+up', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, keyCode: 38 }).key, '\x1b[1;5A'); // CSI 5 A
-    });
-    it('should return \\x1b[5B for alt+down', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, keyCode: 40 }).key, '\x1b[1;5B'); // CSI 5 B
-    });
-    it('should return the correct escape sequence for modified F1-F12 keys', () => {
-      assert.equal(testEvaluateKeyboardEvent({ shiftKey: true, keyCode: 112 }).key, '\x1b[1;2P');
-      assert.equal(testEvaluateKeyboardEvent({ shiftKey: true, keyCode: 113 }).key, '\x1b[1;2Q');
-      assert.equal(testEvaluateKeyboardEvent({ shiftKey: true, keyCode: 114 }).key, '\x1b[1;2R');
-      assert.equal(testEvaluateKeyboardEvent({ shiftKey: true, keyCode: 115 }).key, '\x1b[1;2S');
-      assert.equal(testEvaluateKeyboardEvent({ shiftKey: true, keyCode: 116 }).key, '\x1b[15;2~');
-      assert.equal(testEvaluateKeyboardEvent({ shiftKey: true, keyCode: 117 }).key, '\x1b[17;2~');
-      assert.equal(testEvaluateKeyboardEvent({ shiftKey: true, keyCode: 118 }).key, '\x1b[18;2~');
-      assert.equal(testEvaluateKeyboardEvent({ shiftKey: true, keyCode: 119 }).key, '\x1b[19;2~');
-      assert.equal(testEvaluateKeyboardEvent({ shiftKey: true, keyCode: 120 }).key, '\x1b[20;2~');
-      assert.equal(testEvaluateKeyboardEvent({ shiftKey: true, keyCode: 121 }).key, '\x1b[21;2~');
-      assert.equal(testEvaluateKeyboardEvent({ shiftKey: true, keyCode: 122 }).key, '\x1b[23;2~');
-      assert.equal(testEvaluateKeyboardEvent({ shiftKey: true, keyCode: 123 }).key, '\x1b[24;2~');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, keyCode: 112 }).key, '\x1b[1;3P');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, keyCode: 113 }).key, '\x1b[1;3Q');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, keyCode: 114 }).key, '\x1b[1;3R');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, keyCode: 115 }).key, '\x1b[1;3S');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, keyCode: 116 }).key, '\x1b[15;3~');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, keyCode: 117 }).key, '\x1b[17;3~');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, keyCode: 118 }).key, '\x1b[18;3~');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, keyCode: 119 }).key, '\x1b[19;3~');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, keyCode: 120 }).key, '\x1b[20;3~');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, keyCode: 121 }).key, '\x1b[21;3~');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, keyCode: 122 }).key, '\x1b[23;3~');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, keyCode: 123 }).key, '\x1b[24;3~');
-
-      assert.equal(testEvaluateKeyboardEvent({ ctrlKey: true, keyCode: 112 }).key, '\x1b[1;5P');
-      assert.equal(testEvaluateKeyboardEvent({ ctrlKey: true, keyCode: 113 }).key, '\x1b[1;5Q');
-      assert.equal(testEvaluateKeyboardEvent({ ctrlKey: true, keyCode: 114 }).key, '\x1b[1;5R');
-      assert.equal(testEvaluateKeyboardEvent({ ctrlKey: true, keyCode: 115 }).key, '\x1b[1;5S');
-      assert.equal(testEvaluateKeyboardEvent({ ctrlKey: true, keyCode: 116 }).key, '\x1b[15;5~');
-      assert.equal(testEvaluateKeyboardEvent({ ctrlKey: true, keyCode: 117 }).key, '\x1b[17;5~');
-      assert.equal(testEvaluateKeyboardEvent({ ctrlKey: true, keyCode: 118 }).key, '\x1b[18;5~');
-      assert.equal(testEvaluateKeyboardEvent({ ctrlKey: true, keyCode: 119 }).key, '\x1b[19;5~');
-      assert.equal(testEvaluateKeyboardEvent({ ctrlKey: true, keyCode: 120 }).key, '\x1b[20;5~');
-      assert.equal(testEvaluateKeyboardEvent({ ctrlKey: true, keyCode: 121 }).key, '\x1b[21;5~');
-      assert.equal(testEvaluateKeyboardEvent({ ctrlKey: true, keyCode: 122 }).key, '\x1b[23;5~');
-      assert.equal(testEvaluateKeyboardEvent({ ctrlKey: true, keyCode: 123 }).key, '\x1b[24;5~');
-    });
-
-    // Characters using ctrl+alt sequences
-    it('should return proper sequence for ctrl+alt+a', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, ctrlKey: true, keyCode: 65 }).key, '\x1b\x01');
-    });
-
-    // Characters using alt sequences (numbers)
-    it('should return proper sequences for alt+0', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: false, keyCode: 48 }).key, '\x1b0');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: true,  keyCode: 48 }).key, '\x1b)');
-    });
-    it('should return proper sequences for alt+1', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: false, keyCode: 49 }).key, '\x1b1');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: true,  keyCode: 49 }).key, '\x1b!');
-    });
-    it('should return proper sequences for alt+2', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: false, keyCode: 50 }).key, '\x1b2');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: true,  keyCode: 50 }).key, '\x1b@');
-    });
-    it('should return proper sequences for alt+3', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: false, keyCode: 51 }).key, '\x1b3');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: true,  keyCode: 51 }).key, '\x1b#');
-    });
-    it('should return proper sequences for alt+4', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: false, keyCode: 52 }).key, '\x1b4');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: true,  keyCode: 52 }).key, '\x1b$');
-    });
-    it('should return proper sequences for alt+5', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: false, keyCode: 53 }).key, '\x1b5');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: true,  keyCode: 53 }).key, '\x1b%');
-    });
-    it('should return proper sequences for alt+6', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: false, keyCode: 54 }).key, '\x1b6');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: true,  keyCode: 54 }).key, '\x1b^');
-    });
-    it('should return proper sequences for alt+7', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: false, keyCode: 55 }).key, '\x1b7');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: true,  keyCode: 55 }).key, '\x1b&');
-    });
-    it('should return proper sequences for alt+8', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: false, keyCode: 56 }).key, '\x1b8');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: true,  keyCode: 56 }).key, '\x1b*');
-    });
-    it('should return proper sequences for alt+9', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: false, keyCode: 57 }).key, '\x1b9');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: true,  keyCode: 57 }).key, '\x1b(');
-    });
-
-    // Characters using alt sequences (special chars)
-    it('should return proper sequences for alt+;', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: false, keyCode: 186 }).key, '\x1b;');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: true,  keyCode: 186 }).key, '\x1b:');
-    });
-    it('should return proper sequences for alt+=', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: false, keyCode: 187 }).key, '\x1b=');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: true,  keyCode: 187 }).key, '\x1b+');
-    });
-    it('should return proper sequences for alt+,', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: false, keyCode: 188 }).key, '\x1b,');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: true,  keyCode: 188 }).key, '\x1b<');
-    });
-    it('should return proper sequences for alt+-', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: false, keyCode: 189 }).key, '\x1b-');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: true,  keyCode: 189 }).key, '\x1b_');
-    });
-    it('should return proper sequences for alt+.', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: false, keyCode: 190 }).key, '\x1b.');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: true,  keyCode: 190 }).key, '\x1b>');
-    });
-    it('should return proper sequences for alt+/', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: false, keyCode: 191 }).key, '\x1b/');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: true, keyCode: 191 }).key, '\x1b?');
-    });
-    it('should return proper sequences for alt+~', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: false, keyCode: 192 }).key, '\x1b`');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: true, keyCode: 192 }).key, '\x1b~');
-    });
-    it('should return proper sequences for alt+[', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: false, keyCode: 219 }).key, '\x1b[');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: true,  keyCode: 219 }).key, '\x1b{');
-    });
-    it('should return proper sequences for alt+\\', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: false, keyCode: 220 }).key, '\x1b\\');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: true,  keyCode: 220 }).key, '\x1b|');
-    });
-    it('should return proper sequences for alt+]', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: false, keyCode: 221 }).key, '\x1b]');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: true,  keyCode: 221 }).key, '\x1b}');
-    });
-    it('should return proper sequences for alt+\'', () => {
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: false, keyCode: 222 }).key, '\x1b\'');
-      assert.equal(testEvaluateKeyboardEvent({ altKey: true, shiftKey: true,  keyCode: 222 }).key, '\x1b"');
-    });
-
-    it('should handle mobile arrow events', () => {
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 0, key: 'UIKeyInputUpArrow' }).key, '\x1b[A');
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 0, key: 'UIKeyInputUpArrow' }, { applicationCursorMode: true }).key, '\x1bOA');
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 0, key: 'UIKeyInputLeftArrow' }).key, '\x1b[D');
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 0, key: 'UIKeyInputLeftArrow' }, { applicationCursorMode: true }).key, '\x1bOD');
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 0, key: 'UIKeyInputRightArrow' }).key, '\x1b[C');
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 0, key: 'UIKeyInputRightArrow' }, { applicationCursorMode: true }).key, '\x1bOC');
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 0, key: 'UIKeyInputDownArrow' }).key, '\x1b[B');
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 0, key: 'UIKeyInputDownArrow' }, { applicationCursorMode: true }).key, '\x1bOB');
-    });
-
-    it('should handle lowercase letters', () => {
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 65, key: 'a' }).key, 'a');
-      assert.equal(testEvaluateKeyboardEvent({ keyCode: 189, key: '-' }).key, '-');
-    });
-
-    it('should handle uppercase letters', () => {
-      assert.equal(testEvaluateKeyboardEvent({ shiftKey: true, keyCode: 65, key: 'A' }).key, 'A');
-      assert.equal(testEvaluateKeyboardEvent({ shiftKey: true, keyCode: 49, key: '!' }).key, '!');
-    });
-
-  });
-});
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Paris Kasidiaris	536425394c	Bump version to 3.4.1 Signed-off-by: Paris Kasidiaris <paris@sourcelair.com>	2018-05-21 16:29:57 +00:00
Daniel Imms	fe576b895c	Save and restore correctly when drawing from static cache Fixes #1424	2018-05-21 09:22:34 -07:00