Initial plan for issue

.devcontainer/devcontainer.json

@@ -9,7 +9,7 @@
   "forwardPorts": [
     3000
   ],
-  "postCreateCommand": "npm install && npm run setup",
+  "postCreateCommand": "yarn install && yarn setup",
   "customizations": {
     "vscode": {
       "extensions": [

.github/copilot-instructions.md

@@ -1,91 +1,10 @@
-# xterm.js Copilot Instructions
+This is a TypeScript-based repository with a Ruby client for certain API endpoints. It includes several sub projects called addons which are built separately. It contains a demo application which showcases the functionality of the project.
 
-## Architecture Overview
+Please follow these guidelines when contributing:
 
-**Core Structure**: xterm.js is a multi-target terminal emulator with three main distributions:
-- `src/browser/`: Full-featured browser terminal with DOM rendering
-- `src/headless/`: Server-side terminal for Node.js (no DOM)
-- `src/common/`: Shared core logic (parsing, buffer management, terminal state)
+## Development Flow
 
-**Key Classes**:
-- `Terminal` (browser/headless): Public API wrapper
-- `CoreTerminal` (common): Core terminal logic and state
-- `CoreBrowserTerminal` (browser): Browser-specific terminal implementation
-
-## Development Workflow
-
-**Build System**:
-```bash
-npm run build && npm run esbuild # Build all TypeScript and bundle
-```
-
-**Testing**:
-- Unit tests: `npm run test-unit` (Mocha)
-- Unit tests filtering to file: `npm run test-unit -- **/fileName.ts
-- Per-addon unit tests: `npm run test-unit addons/addon-image/out-esbuild/*.test.js`
-- Integration tests: `npm run test-integration` (Playwright across Chrome/Firefox/WebKit)
-- Per-addon integration tests: `npm run test-integration --suite=addon-search`
-
-## Addon Development Pattern
-
-All addons follow this structure:
-```typescript
-export class MyAddon implements ITerminalAddon {
-  activate(terminal: Terminal): void {
-    // Called when loaded via terminal.loadAddon()
-    // Register handlers, access terminal APIs
-  }
-  dispose(): void {
-    // Cleanup when addon is disposed
-  }
-}
-```
-
-**Key Examples**:
-- `addons/addon-fit/`: Terminal sizing
-- `addons/addon-webgl/`: GPU-accelerated rendering
-- `addons/addon-search/`: Text search functionality
-
-## Project-Specific Conventions
-
-**TypeScript Project Structure**: Uses TypeScript project references (`tsconfig.all.json`) for incremental builds across browser/headless/addons.
-
-**API Design**: 
-- Browser and headless terminals share the same public API
-- Proposed APIs require `allowProposedApi: true` option
-- Constructor-only options (cols, rows) cannot be changed after instantiation
-
-**Testing Utilities**: Use `TestUtils.ts` helpers:
-- `openTerminal(ctx, options)` for setup
-- `pollFor(page, fn, expectedValue)` for async assertions
-- `writeSync(page, data)` for terminal input
-
-## Common Patterns
-
-**Parser Integration**: Register custom escape sequence handlers:
-```typescript
-terminal.parser.registerCsiHandler('m', params => {
-  // Handle SGR sequences
-  return true; // Handled
-});
-```
-
-**Buffer Access**: Read terminal content via buffer API:
-```typescript
-const line = terminal.buffer.active.getLine(0);
-const cell = line?.getCell(0);
-```
-
-**Events**: All terminals emit standard events (onData, onResize, onRender) plus platform-specific ones.
-
-## Critical Implementation Details
-
-- Terminal rendering uses either DOM or WebGL renderers
-- Buffer lines are immutable; create new instances for modifications
-- Character width handling supports Unicode 11+ and grapheme clustering
-- Mouse events translate web events to terminal protocols (X10, VT200, etc.)
-- Color theming supports both palette and true color modes
-
-## Writing unit tests
-
-- Unit tests live alongside the source code file of the thing it's testing with a .test.ts suffix.
+- Install dependencies: `npm install && npm run setup`
+- Build and bundle demo: `npm run build && npm run esbuild`
+- Run unit tests: `npm run test-unit`
+- Run playwright-based integration tests: `npm run test-integration`

.github/copilot-setup-steps.yml

@@ -19,14 +19,18 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
-      - name: Use Node.js 22.x
+
+      - name: Use Node.js 20.x
         uses: actions/setup-node@v3
         with:
-          node-version: 22.x
-          cache: 'npm'
+          node-version: 20.x
+          cache: 'yarn'
+
       - name: Install dependencies
-        run: npm ci
+        run: yarn --frozen-lockfile
+
       - name: Setup and run tsc
-        run: npm run setup
+        run: yarn setup
+
       - name: Esbuild
-        run: npm run esbuild
+        run: yarn esbuild

.github/instructions/unit-test-instructions.instructions.md

@@ -1,8 +0,0 @@
----
-applyTo: '**/*.test.ts'
----
-When writing unit tests follow these rules:
-
-- When writing unit tests for addons, always create a real xterm.js instance instead of mocking it.
-- Prefer `assert.ok` over `assert.notStrictEqual` when checking something is undefined or not.
-- Avoid comments as most tests should be self-documenting.

.github/workflows/ci.yml

@@ -12,17 +12,17 @@ jobs:
     timeout-minutes: 10
     steps:
     - uses: actions/checkout@v3
-    - name: Use Node.js 22.x
+    - name: Use Node.js 18.x
       uses: actions/setup-node@v3
       with:
-        node-version: 22.x
-        cache: 'npm'
+        node-version: 18.x
+        cache: 'yarn'
     - name: Install dependencies
-      run: npm ci
+      run: yarn --frozen-lockfile
     - name: Setup and run tsc
-      run: npm run setup
+      run: yarn setup
     - name: Esbuild
-      run: npm run esbuild
+      run: yarn esbuild
     - name: Zip artifacts
       run: |
         zip -r compressed-build \
@@ -77,20 +77,21 @@ jobs:
     timeout-minutes: 10
     steps:
     - uses: actions/checkout@v3
-    - name: Use Node.js 22.x
+    - name: Use Node.js 18.x
       uses: actions/setup-node@v3
       with:
-        node-version: 22.x
-        cache: 'npm'
+        node-version: 18.x
+        cache: 'yarn'
     - name: Install dependencies
       run: |
-        npm ci
+        yarn --frozen-lockfile
+        yarn install-addons
     - name: Lint code
       env:
         NODE_OPTIONS: --max_old_space_size=4096
-      run: npm run lint
+      run: yarn lint
     - name: Lint API
-      run: npm run lint-api
+      run: yarn lint-api
 
   test-unit-coverage:
     needs: build
@@ -98,14 +99,15 @@ jobs:
     timeout-minutes: 10
     steps:
     - uses: actions/checkout@v3
-    - name: Use Node.js 22.x
+    - name: Use Node.js 18.x
       uses: actions/setup-node@v3
       with:
-        node-version: 22.x
-        cache: 'npm'
+        node-version: 18.x
+        cache: 'yarn'
     - name: Install dependencies
       run: |
-        npm ci
+        yarn --frozen-lockfile
+        yarn install-addons
     - uses: actions/download-artifact@v4
       with:
         name: build-artifacts
@@ -120,7 +122,7 @@ jobs:
         ls -R
     - name: Unit test coverage
       run: |
-        npm run test-unit-coverage --forbid-only
+        yarn test-unit-coverage --forbid-only
         EXIT_CODE=$?
         ./node_modules/.bin/nyc report --reporter=cobertura
         exit $EXIT_CODE
@@ -129,7 +131,7 @@ jobs:
     timeout-minutes: 20
     strategy:
       matrix:
-        node-version: [22]
+        node-version: [18]
         runs-on: [ubuntu, macos, windows]
     runs-on: ${{ matrix.runs-on }}-latest
     steps:
@@ -138,10 +140,11 @@ jobs:
       uses: actions/setup-node@v3
       with:
         node-version: ${{ matrix.node-version }}.x
-        cache: 'npm'
+        cache: 'yarn'
     - name: Install dependencies
       run: |
-        npm ci
+        yarn --frozen-lockfile
+        yarn install-addons
     - name: Wait for build job
       uses: NathanFirmo/wait-for-other-job@v1.1.1
       with:
@@ -160,13 +163,13 @@ jobs:
         fi
         ls -R
     - name: Unit tests
-      run: npm run test-unit --forbid-only
+      run: yarn test-unit --forbid-only
 
   test-integration:
     timeout-minutes: 20
     strategy:
       matrix:
-        node-version: [22] # just one as integration tests are about testing in browser
+        node-version: [18] # just one as integration tests are about testing in browser
         runs-on: [ubuntu-22.04] # macos is flaky
         browser: [chromium, firefox, webkit]
     runs-on: ${{ matrix.runs-on }}
@@ -176,10 +179,11 @@ jobs:
       uses: actions/setup-node@v3
       with:
         node-version: ${{ matrix.node-version }}.x
-        cache: 'npm'
+        cache: 'yarn'
     - name: Install dependencies
       run: |
-        npm ci
+        yarn --frozen-lockfile
+        yarn install-addons
     - name: Install playwright
       run: npx playwright install --with-deps ${{ matrix.browser }}
     - name: Wait for build job
@@ -200,48 +204,49 @@ jobs:
         fi
         ls -R
     - name: Build demo
-      run: npm run esbuild-demo
+      run: yarn esbuild-demo
     - name: Integration tests (core) # Tests use 50% workers to reduce flakiness
-      run: npm run test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=core
+      run: yarn test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=core
     - name: Integration tests (addon-attach)
-      run: npm run test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=addon-attach
+      run: yarn test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=addon-attach
     - name: Integration tests (addon-clipboard)
-      run: npm run test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=addon-clipboard
+      run: yarn test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=addon-clipboard
     - name: Integration tests (addon-fit)
-      run: npm run test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=addon-fit
+      run: yarn test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=addon-fit
     - name: Integration tests (addon-image)
-      run: npm run test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=addon-image
+      run: yarn test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=addon-image
     - name: Integration tests (addon-progress)
-      run: npm run test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=addon-progress
+      run: yarn test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=addon-progress
     - name: Integration tests (addon-search)
-      run: npm run test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=addon-search
+      run: yarn test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=addon-search
     - name: Integration tests (addon-serialize)
-      run: npm run test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=addon-serialize
+      run: yarn test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=addon-serialize
     - name: Integration tests (addon-unicode-graphemes)
-      run: npm run test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=addon-unicode-graphemes
+      run: yarn test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=addon-unicode-graphemes
     - name: Integration tests (addon-unicode11)
-      run: npm run test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=addon-unicode11
+      run: yarn test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=addon-unicode11
     - name: Integration tests (addon-web-links)
-      run: npm run test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=addon-web-links
+      run: yarn test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=addon-web-links
     - name: Integration tests (addon-webgl)
-      run: npm run test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=addon-webgl
+      run: yarn test-integration-${{ matrix.browser }} --workers=50% --forbid-only --suite=addon-webgl
 
   release-dry-run:
     needs: build
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [22]
+        node-version: [18]
     steps:
     - uses: actions/checkout@v3
     - name: Use Node.js ${{ matrix.node-version }}.x
       uses: actions/setup-node@v3
       with:
         node-version: ${{ matrix.node-version }}.x
-        cache: 'npm'
+        cache: 'yarn'
     - name: Install dependencies
       run: |
-        npm ci
+        yarn --frozen-lockfile
+        yarn install-addons
     - name: Install playwright
       run: npx playwright install
     - uses: actions/download-artifact@v4
@@ -258,7 +263,7 @@ jobs:
         ls -R
     - name: Package headless
       run: |
-        npm run package-headless
+        yarn package-headless
         node ./bin/package_headless.js
     - name: Publish to npm (dry run)
       run: node ./bin/publish.js --dry

.github/workflows/release.yml

@@ -11,18 +11,18 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - name: Use Node.js 22.x
+    - name: Use Node.js 18.x
       uses: actions/setup-node@v3
       with:
-        node-version: 22.x
-        cache: 'npm'
+        node-version: 18.x
+        cache: 'yarn'
     - name: Install dependencies
-      run: npm ci
+      run: yarn --frozen-lockfile
     - name: Build
-      run: npm run setup
+      run: yarn setup
     - name: Package headless
       run: |
-        npm run package-headless
+        yarn package-headless
         node ./bin/package_headless.js
     - name: Publish to npm
       env:

.gitignore

@@ -18,8 +18,7 @@ npm-debug.log
 .env
 build/
 .DS_Store
-yarn.lock
-test-results/
+package-lock.json
 
 # Keep bundled code out of Git
 dist/

CONTRIBUTING.md

@@ -65,40 +65,40 @@ One area that always needs attention is improving out unit test coverage, you ca
 
 ### Unit tests
 
-Unit tests are run with `npm run test-unit`:
+Unit tests are run with `yarn test-unit`:
 
 ```sh
 # All unit tests
-npm run test-unit
+yarn test-unit
 
 # Absolute file path
-npm run test-unit out-esbuild/browser/Terminal.test.js
+yarn test-unit out-esbuild/browser/Terminal.test.js
 
 # Filter by wildcard
-npm run test-unit out-esbuild/**/Terminal.test.js
+yarn test-unit out-esbuild/**/Terminal.test.js
 
 # Specific addon unit tests tests
-npm run test-unit addons/addon-image/out-esbuild/*.test.js
+yarn test-unit addons/addon-image/out-esbuild/*.test.js
 
 # Multiple files
-npm run test-unit out-esbuild/**/Terminal.test.js out-esbuild/**/InputHandler.test.js
+yarn test-unit out-esbuild/**/Terminal.test.js out-esbuild/**/InputHandler.test.js
 ```
 
 These use mocha to run all `.test.js` files within the esbuild output (`out-esbuild/`).
 
 ### Integration tests
 
-Integration tests are run with `npm run test-integration`:
+Integration tests are run with `yarn test-integration`:
 
 ```sh
 # All integration tests
-npm run test-integration
+yarn test-integration
 
 # Core integration tests
-npm run test-integration --suite=core
+yarn test-integration --suite=core
 
 # Specific addon integration tests
-npm run test-integration --suite=addon-search
+yarn test-integration --suite=addon-search
 ```
 
 These use `@playwright/test` to run all tests within the esbuild test output (`out-esbuild-test/`).

README.md

@@ -229,7 +229,6 @@ Xterm.js is used in several world-class applications to provide great terminal e
 - [**pyTermTk**](https://github.com/ceccopierangiolieugenio/pyTermTk): Python Terminal Toolkit - a Spiced Up Cross Compatible TUI Library 🌶️, use xterm.js for the [HTML5 exporter](https://ceccopierangiolieugenio.github.io/pyTermTk/sandbox/sandbox.html).
 - [**ecmaOS**](https://ecmaos.sh): A kernel and suite of applications tying modern web technologies into a browser-based operating system.
 - [**LabEx**](https://labex.io): Interactive learning platform with hands-on labs and xterm.js-based online terminals, focused on learn-by-doing approach.
-- [**EmuDevz**](https://afska.github.io/emudevz): A free coding game where players learn how to build an emulator from scratch.
 - [And much more...](https://github.com/xtermjs/xterm.js/network/dependents?package_id=UGFja2FnZS0xNjYzMjc4OQ%3D%3D)
 
 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 on our list. Note: Please add any new contributions to the end of the list only.

addons/addon-attach/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@xterm/addon-attach",
-  "version": "0.12.0",
+  "version": "0.11.0",
   "author": {
     "name": "The xterm.js authors",
     "url": "https://xtermjs.org/"
@@ -21,5 +21,8 @@
     "package": "../../node_modules/.bin/webpack",
     "prepublishOnly": "npm run package",
     "start": "node ../../demo/start"
+  },
+  "peerDependencies": {
+    "@xterm/xterm": "^5.0.0"
   }
 }

addons/addon-clipboard/package-lock.json

@@ -1,22 +0,0 @@
-{
-  "name": "@xterm/addon-clipboard",
-  "version": "0.1.0",
-  "lockfileVersion": 3,
-  "requires": true,
-  "packages": {
-    "": {
-      "name": "@xterm/addon-clipboard",
-      "version": "0.1.0",
-      "license": "MIT",
-      "dependencies": {
-        "js-base64": "^3.7.5"
-      }
-    },
-    "node_modules/js-base64": {
-      "version": "3.7.7",
-      "resolved": "https://registry.npmjs.org/js-base64/-/js-base64-3.7.7.tgz",
-      "integrity": "sha512-7rCnleh0z2CkXhH67J8K1Ytz0b2Y+yxTPL+/KOJoa20hfnVQ/3/T6W/KflYI4bRHRagNeXeU2bkNGI3v1oS/lw==",
-      "license": "BSD-3-Clause"
-    }
-  }
-}

addons/addon-clipboard/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@xterm/addon-clipboard",
-  "version": "0.2.0",
+  "version": "0.1.0",
   "author": {
     "name": "The xterm.js authors",
     "url": "https://xtermjs.org/"
@@ -22,6 +22,9 @@
     "prepublishOnly": "npm run package",
     "start": "node ../../demo/start"
   },
+  "peerDependencies": {
+    "@xterm/xterm": "^5.4.0"
+  },
   "dependencies": {
     "js-base64": "^3.7.5"
   }

addons/addon-clipboard/yarn.lock

@@ -4,5 +4,5 @@
 
 js-base64@^3.7.5:
   version "3.7.7"
-  resolved "https://registry.npmjs.org/js-base64/-/js-base64-3.7.7.tgz"
+  resolved "https://registry.yarnpkg.com/js-base64/-/js-base64-3.7.7.tgz#e51b84bf78fbf5702b9541e2cb7bfcb893b43e79"
   integrity sha512-7rCnleh0z2CkXhH67J8K1Ytz0b2Y+yxTPL+/KOJoa20hfnVQ/3/T6W/KflYI4bRHRagNeXeU2bkNGI3v1oS/lw==

addons/addon-fit/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@xterm/addon-fit",
-  "version": "0.11.0",
+  "version": "0.10.0",
   "author": {
     "name": "The xterm.js authors",
     "url": "https://xtermjs.org/"
@@ -21,5 +21,8 @@
     "package": "../../node_modules/.bin/webpack",
     "prepublishOnly": "npm run package",
     "start": "node ../../demo/start"
+  },
+  "peerDependencies": {
+    "@xterm/xterm": "^5.0.0"
   }
 }

addons/addon-image/.gitignore

@@ -17,6 +17,7 @@ npm-debug.log
 .env
 build/
 .DS_Store
+package-lock.json
 yarn.lock
 
 # Keep bundled code out of Git

addons/addon-image/package-lock.json

@@ -1,817 +0,0 @@
-{
-  "name": "@xterm/addon-image",
-  "version": "0.8.0",
-  "lockfileVersion": 3,
-  "requires": true,
-  "packages": {
-    "": {
-      "name": "@xterm/addon-image",
-      "version": "0.8.0",
-      "license": "MIT",
-      "devDependencies": {
-        "sixel": "^0.16.0",
-        "xterm-wasm-parts": "^0.1.0"
-      }
-    },
-    "node_modules/@isaacs/cliui": {
-      "version": "8.0.2",
-      "resolved": "https://registry.npmjs.org/@isaacs/cliui/-/cliui-8.0.2.tgz",
-      "integrity": "sha512-O8jcjabXaleOG9DQ0+ARXWZBTfnP4WNAqzuiJK7ll44AmxGKv/J2M4TPjxjY3znBCfvBXFzucm1twdyFybFqEA==",
-      "dev": true,
-      "license": "ISC",
-      "dependencies": {
-        "string-width": "^5.1.2",
-        "string-width-cjs": "npm:string-width@^4.2.0",
-        "strip-ansi": "^7.0.1",
-        "strip-ansi-cjs": "npm:strip-ansi@^6.0.1",
-        "wrap-ansi": "^8.1.0",
-        "wrap-ansi-cjs": "npm:wrap-ansi@^7.0.0"
-      },
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@pkgjs/parseargs": {
-      "version": "0.11.0",
-      "resolved": "https://registry.npmjs.org/@pkgjs/parseargs/-/parseargs-0.11.0.tgz",
-      "integrity": "sha512-+1VkjdD0QBLPodGrJUeqarH8VAIvQODIbwh9XpP5Syisf7YoQgsJKPNFoqqLQlu+VQ/tVSshMR6loPMn8U+dPg==",
-      "dev": true,
-      "license": "MIT",
-      "optional": true,
-      "engines": {
-        "node": ">=14"
-      }
-    },
-    "node_modules/acorn": {
-      "version": "8.15.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.15.0.tgz",
-      "integrity": "sha512-NZyJarBfL7nWwIq+FDL6Zp/yHEhePMNnnJ0y3qfieCrmNvYct8uvtiV41UvlSe6apAfk0fY1FbWx+NwfmpvtTg==",
-      "dev": true,
-      "license": "MIT",
-      "bin": {
-        "acorn": "bin/acorn"
-      },
-      "engines": {
-        "node": ">=0.4.0"
-      }
-    },
-    "node_modules/acorn-walk": {
-      "version": "8.3.4",
-      "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-8.3.4.tgz",
-      "integrity": "sha512-ueEepnujpqee2o5aIYnvHU6C0A42MNdsIDeqy5BydrkuC5R1ZuUFnm27EeFJGoEHJQgn3uleRvmTXaJgfXbt4g==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "acorn": "^8.11.0"
-      },
-      "engines": {
-        "node": ">=0.4.0"
-      }
-    },
-    "node_modules/ansi-regex": {
-      "version": "6.2.2",
-      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-6.2.2.tgz",
-      "integrity": "sha512-Bq3SmSpyFHaWjPk8If9yc6svM8c56dB5BAtW4Qbw5jHTwwXXcTLoRMkpDJp6VL0XzlWaCHTXrkFURMYmD0sLqg==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
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addons/addon-image/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@xterm/addon-image",
-  "version": "0.9.0",
+  "version": "0.8.0",
   "author": {
     "name": "The xterm.js authors",
     "url": "https://xtermjs.org/"
@@ -23,6 +23,9 @@
     "prepublishOnly": "npm run package",
     "start": "node ../../demo/start"
   },
+  "peerDependencies": {
+    "@xterm/xterm": "^5.2.0"
+  },
   "devDependencies": {
     "sixel": "^0.16.0",
     "xterm-wasm-parts": "^0.1.0"

addons/addon-ligatures/.gitignore

@@ -10,3 +10,4 @@ fonts/
 *.swp
 *.tgz
 npm-debug.log*
+yarn-error.log*

addons/addon-ligatures/package-lock.json

@@ -1,661 +0,0 @@
-{
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-      },
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-    "node_modules/proxy-from-env": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.1.0.tgz",
-      "integrity": "sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg==",
-      "dev": true,
-      "license": "MIT"
-    },
-    "node_modules/sinon": {
-      "version": "6.3.5",
-      "resolved": "https://registry.npmjs.org/sinon/-/sinon-6.3.5.tgz",
-      "integrity": "sha512-xgoZ2gKjyVRcF08RrIQc+srnSyY1JDJtxu3Nsz07j1ffjgXoY6uPLf/qja6nDBZgzYYEovVkFryw2+KiZz11xQ==",
-      "deprecated": "16.1.1",
-      "dev": true,
-      "license": "BSD-3-Clause",
-      "dependencies": {
-        "@sinonjs/commons": "^1.0.2",
-        "@sinonjs/formatio": "^3.0.0",
-        "@sinonjs/samsam": "^2.1.2",
-        "diff": "^3.5.0",
-        "lodash.get": "^4.4.2",
-        "lolex": "^2.7.5",
-        "nise": "^1.4.5",
-        "supports-color": "^5.5.0",
-        "type-detect": "^4.0.8"
-      }
-    },
-    "node_modules/supports-color": {
-      "version": "5.5.0",
-      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
-      "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "has-flag": "^3.0.0"
-      },
-      "engines": {
-        "node": ">=4"
-      }
-    },
-    "node_modules/tiny-inflate": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/tiny-inflate/-/tiny-inflate-1.0.2.tgz",
-      "integrity": "sha512-fEndoHfuiSlXtvG0EA1gB4uAdy2dbQ3WfOtQw1/Y8NQ9rxtGbGkENwfGmN0wK7OkxDz1lgc5Ei2LQ0oxKDUcVw==",
-      "license": "MIT"
-    },
-    "node_modules/type-detect": {
-      "version": "4.0.8",
-      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz",
-      "integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=4"
-      }
-    },
-    "node_modules/yallist": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
-      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==",
-      "license": "ISC"
-    },
-    "node_modules/yauzl": {
-      "version": "2.10.0",
-      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz",
-      "integrity": "sha512-p4a9I6X6nu6IhoGmBqAcbJy1mlC4j27vEPZX9F4L4/vZT3Lyq1VkFHw/V/PUcB9Buo+DG3iHkT0x3Qya58zc3g==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "buffer-crc32": "~0.2.3",
-        "fd-slicer": "~1.1.0"
-      }
-    }
-  }
-}

addons/addon-ligatures/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@xterm/addon-ligatures",
-  "version": "0.10.0",
+  "version": "0.9.0",
   "description": "Add support for programming ligatures to xterm.js",
   "author": {
     "name": "The xterm.js authors",
@@ -41,5 +41,8 @@
     "mkdirp": "0.5.5",
     "sinon": "6.3.5",
     "yauzl": "^2.10.0"
+  },
+  "peerDependencies": {
+    "@xterm/xterm": "^5.0.0"
   }
 }

addons/addon-ligatures/yarn.lock

@@ -4,14 +4,14 @@
 
 "@sinonjs/commons@^1", "@sinonjs/commons@^1.0.2", "@sinonjs/commons@^1.3.0", "@sinonjs/commons@^1.7.0":
   version "1.8.0"
-  resolved "https://registry.npmjs.org/@sinonjs/commons/-/commons-1.8.0.tgz"
+  resolved "https://registry.yarnpkg.com/@sinonjs/commons/-/commons-1.8.0.tgz#c8d68821a854c555bba172f3b06959a0039b236d"
   integrity sha512-wEj54PfsZ5jGSwMX68G8ZXFawcSglQSXqCftWX3ec8MDUzQdHgcKvw97awHbY0efQEL5iKUOAmmVtoYgmrSG4Q==
   dependencies:
     type-detect "4.0.8"
 
 "@sinonjs/formatio@^3.0.0", "@sinonjs/formatio@^3.2.1":
   version "3.2.2"
-  resolved "https://registry.npmjs.org/@sinonjs/formatio/-/formatio-3.2.2.tgz"
+  resolved "https://registry.yarnpkg.com/@sinonjs/formatio/-/formatio-3.2.2.tgz#771c60dfa75ea7f2d68e3b94c7e888a78781372c"
   integrity sha512-B8SEsgd8gArBLMD6zpRw3juQ2FVSsmdd7qlevyDqzS9WTCtvF55/gAL+h6gue8ZvPYcdiPdvueM/qm//9XzyTQ==
   dependencies:
     "@sinonjs/commons" "^1"
@@ -19,12 +19,12 @@
 
 "@sinonjs/samsam@^2.1.2":
   version "2.1.3"
-  resolved "https://registry.npmjs.org/@sinonjs/samsam/-/samsam-2.1.3.tgz"
+  resolved "https://registry.yarnpkg.com/@sinonjs/samsam/-/samsam-2.1.3.tgz#62cf2a9b624edc795134135fe37fc2ae8ea36be3"
   integrity sha512-8zNeBkSKhU9a5cRNbpCKau2WWPfan+Q2zDlcXvXyhn9EsMqgYs4qzo0XHNVlXC6ABQL8fT6nV+zzo5RTHJzyXw==
 
 "@sinonjs/samsam@^3.1.0":
   version "3.3.3"
-  resolved "https://registry.npmjs.org/@sinonjs/samsam/-/samsam-3.3.3.tgz"
+  resolved "https://registry.yarnpkg.com/@sinonjs/samsam/-/samsam-3.3.3.tgz#46682efd9967b259b81136b9f120fd54585feb4a"
   integrity sha512-bKCMKZvWIjYD0BLGnNrxVuw4dkWCYsLqFOUWw8VgKF/+5Y+mE7LfHWPIYoDXowH+3a9LsWDMo0uAP8YDosPvHQ==
   dependencies:
     "@sinonjs/commons" "^1.3.0"
@@ -33,27 +33,26 @@
 
 "@sinonjs/text-encoding@^0.7.1":
   version "0.7.1"
-  resolved "https://registry.npmjs.org/@sinonjs/text-encoding/-/text-encoding-0.7.1.tgz"
+  resolved "https://registry.yarnpkg.com/@sinonjs/text-encoding/-/text-encoding-0.7.1.tgz#8da5c6530915653f3a1f38fd5f101d8c3f8079c5"
   integrity sha512-+iTbntw2IZPb/anVDbypzfQa+ay64MW0Zo8aJ8gZPWMMK6/OubMVb6lUPMagqjOPnmtauXnFCACVl3O7ogjeqQ==
 
 "@types/sinon@^5.0.1":
   version "5.0.1"
-  resolved "https://registry.npmjs.org/@types/sinon/-/sinon-5.0.1.tgz"
-  integrity sha512-yxzBCIjE3lp9lYjfBbIK/LRCoXgCLLbIIBIje7eNCcUIIR2CZZtyX5uto2hVoMSMqLrsRrT6mwwUEd0yFgOwpA==
+  resolved "https://registry.yarnpkg.com/@types/sinon/-/sinon-5.0.1.tgz#a15b36ec42f1f53166617491feabd1734cb03e21"
 
 array-from@^2.1.1:
   version "2.1.1"
-  resolved "https://registry.npmjs.org/array-from/-/array-from-2.1.1.tgz"
-  integrity sha1-z+nYwmYoudxa7MYqn12PHzUsEZU= sha512-GQTc6Uupx1FCavi5mPzBvVT7nEOeWMmUA9P95wpfpW1XwMSKs+KaymD5C2Up7KAUKg/mYwbsUYzdZWcoajlNZg==
+  resolved "https://registry.yarnpkg.com/array-from/-/array-from-2.1.1.tgz#cfe9d8c26628b9dc5aecc62a9f5d8f1f352c1195"
+  integrity sha1-z+nYwmYoudxa7MYqn12PHzUsEZU=
 
 asynckit@^0.4.0:
   version "0.4.0"
-  resolved "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz"
+  resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
   integrity sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==
 
 axios@^1.6.0:
   version "1.8.2"
-  resolved "https://registry.npmjs.org/axios/-/axios-1.8.2.tgz"
+  resolved "https://registry.yarnpkg.com/axios/-/axios-1.8.2.tgz#fabe06e241dfe83071d4edfbcaa7b1c3a40f7979"
   integrity sha512-ls4GYBm5aig9vWx8AWDSGLpnpDQRtWAfrjU+EuytuODrFBkqesN2RkOQCBzrA1RQNHw1SmRMSDDDSwzNAYQ6Rg==
   dependencies:
     follow-redirects "^1.15.6"
@@ -62,85 +61,45 @@ axios@^1.6.0:
 
 buffer-crc32@~0.2.3:
   version "0.2.13"
-  resolved "https://registry.npmjs.org/buffer-crc32/-/buffer-crc32-0.2.13.tgz"
-  integrity sha512-VO9Ht/+p3SN7SKWqcrgEzjGbRSJYTx+Q1pTQC0wrWqHx0vpJraQ6GtHx8tvcg1rlK1byhU5gccxgOgj7B0TDkQ==
-
-call-bind-apply-helpers@^1.0.1, call-bind-apply-helpers@^1.0.2:
-  version "1.0.2"
-  resolved "https://registry.npmjs.org/call-bind-apply-helpers/-/call-bind-apply-helpers-1.0.2.tgz"
-  integrity sha512-Sp1ablJ0ivDkSzjcaJdxEunN5/XvksFJ2sMBFfq6x0ryhQV/2b/KwFe21cMpmHtPOSij8K99/wSfoEuTObmuMQ==
-  dependencies:
-    es-errors "^1.3.0"
-    function-bind "^1.1.2"
+  resolved "https://registry.yarnpkg.com/buffer-crc32/-/buffer-crc32-0.2.13.tgz#0d333e3f00eac50aa1454abd30ef8c2a5d9a7242"
 
 combined-stream@^1.0.8:
   version "1.0.8"
-  resolved "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz"
+  resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.8.tgz#c3d45a8b34fd730631a110a8a2520682b31d5a7f"
   integrity sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==
   dependencies:
     delayed-stream "~1.0.0"
 
 delayed-stream@~1.0.0:
   version "1.0.0"
-  resolved "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz"
+  resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
   integrity sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==
 
 diff@^3.5.0:
   version "3.5.0"
-  resolved "https://registry.npmjs.org/diff/-/diff-3.5.0.tgz"
-  integrity sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA==
-
-dunder-proto@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.npmjs.org/dunder-proto/-/dunder-proto-1.0.1.tgz"
-  integrity sha512-KIN/nDJBQRcXw0MLVhZE9iQHmG68qAVIBg9CqmUYjmQIhgij9U5MFvrqkUL5FbtyyzZuOeOt0zdeRe4UY7ct+A==
-  dependencies:
-    call-bind-apply-helpers "^1.0.1"
-    es-errors "^1.3.0"
-    gopd "^1.2.0"
-
-es-define-property@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.npmjs.org/es-define-property/-/es-define-property-1.0.1.tgz"
-  integrity sha512-e3nRfgfUZ4rNGL232gUgX06QNyyez04KdjFrF+LTRoOXmrOgFKDg4BCdsjW8EnT69eqdYGmRpJwiPVYNrCaW3g==
-
-es-errors@^1.3.0:
-  version "1.3.0"
-  resolved "https://registry.npmjs.org/es-errors/-/es-errors-1.3.0.tgz"
-  integrity sha512-Zf5H2Kxt2xjTvbJvP2ZWLEICxA6j+hAmMzIlypy4xcBg1vKVnx89Wy0GbS+kf5cwCVFFzdCFh2XSCFNULS6csw==
-
-es-object-atoms@^1.0.0, es-object-atoms@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.npmjs.org/es-object-atoms/-/es-object-atoms-1.1.1.tgz"
-  integrity sha512-FGgH2h8zKNim9ljj7dankFPcICIK9Cp5bm+c2gQSYePhpaG5+esrLODihIorn+Pe6FGJzWhXQotPv73jTaldXA==
-  dependencies:
-    es-errors "^1.3.0"
-
-es-set-tostringtag@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.npmjs.org/es-set-tostringtag/-/es-set-tostringtag-2.1.0.tgz"
-  integrity sha512-j6vWzfrGVfyXxge+O0x5sh6cvxAog0a/4Rdd2K36zCMV5eJ+/+tOAngRO8cODMNWbVRdVlmGZQL2YS3yR8bIUA==
-  dependencies:
-    es-errors "^1.3.0"
-    get-intrinsic "^1.2.6"
-    has-tostringtag "^1.0.2"
-    hasown "^2.0.2"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-3.5.0.tgz#800c0dd1e0a8bfbc95835c202ad220fe317e5a12"
 
 fd-slicer@~1.1.0:
   version "1.1.0"
-  resolved "https://registry.npmjs.org/fd-slicer/-/fd-slicer-1.1.0.tgz"
-  integrity sha512-cE1qsB/VwyQozZ+q1dGxR8LBYNZeofhEdUNGSMbQD3Gw2lAzX9Zb3uIU6Ebc/Fmyjo9AWWfnn0AUCHqtevs/8g==
+  resolved "https://registry.yarnpkg.com/fd-slicer/-/fd-slicer-1.1.0.tgz#25c7c89cb1f9077f8891bbe61d8f390eae256f1e"
   dependencies:
     pend "~1.2.0"
 
 follow-redirects@^1.15.6:
   version "1.15.9"
-  resolved "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.9.tgz"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.15.9.tgz#a604fa10e443bf98ca94228d9eebcc2e8a2c8ee1"
   integrity sha512-gew4GsXizNgdoRyqmyfMHyAmXsZDk6mHkSxZFCzW9gwlbtOW44CDtYavM+y+72qD/Vq2l550kMF52DT8fOLJqQ==
 
-font-finder@^1.0.3, font-finder@^1.1.0:
+font-finder@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/font-finder/-/font-finder-1.0.4.tgz#2ca944954dd8d0e1b5bdc4c596cc08607761d89b"
+  dependencies:
+    get-system-fonts "^2.0.0"
+    promise-stream-reader "^1.0.1"
+
+font-finder@^1.1.0:
   version "1.1.0"
-  resolved "https://registry.npmjs.org/font-finder/-/font-finder-1.1.0.tgz"
+  resolved "https://registry.npmjs.org/font-finder/-/font-finder-1.1.0.tgz#2bff2b2762acba720239c8bec898a96daae90858"
   integrity sha512-wpCL2uIbi6GurJbU7ZlQ3nGd61Ho+dSU6U83/xJT5UPFfN35EeCW/rOtS+5k+IuEZu2SYmHzDIPL9eA5tSYRAw==
   dependencies:
     get-system-fonts "^2.0.0"
@@ -148,7 +107,7 @@ font-finder@^1.0.3, font-finder@^1.1.0:
 
 font-ligatures@^1.4.1:
   version "1.4.1"
-  resolved "https://registry.npmjs.org/font-ligatures/-/font-ligatures-1.4.1.tgz"
+  resolved "https://registry.npmjs.org/font-ligatures/-/font-ligatures-1.4.1.tgz#e8c9df7cf6bee80c0cca4a9a578618c7b1f5d8de"
   integrity sha512-7W6zlfyhvCqShZ5ReUWqmSd9vBaUudW0Hxis+tqUjtHhsPU+L3Grf8mcZAtCiXHTzorhwdRTId2WeH/88gdFkw==
   dependencies:
     font-finder "^1.0.3"
@@ -156,150 +115,86 @@ font-ligatures@^1.4.1:
     opentype.js "^0.8.0"
 
 form-data@^4.0.0:
-  version "4.0.4"
-  resolved "https://registry.npmjs.org/form-data/-/form-data-4.0.4.tgz"
-  integrity sha512-KrGhL9Q4zjj0kiUt5OO4Mr/A/jlI2jDYs5eHBpYHPcBEVSiipAvn2Ko2HnPe20rmcuuvMHNdZFp+4IlGTMF0Ow==
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-4.0.0.tgz#93919daeaf361ee529584b9b31664dc12c9fa452"
+  integrity sha512-ETEklSGi5t0QMZuiXoA/Q6vcnxcLQP5vdugSpuAyi6SVGi2clPPp+xgEhuMaHC+zGgn31Kd235W35f7Hykkaww==
   dependencies:
     asynckit "^0.4.0"
     combined-stream "^1.0.8"
-    es-set-tostringtag "^2.1.0"
-    hasown "^2.0.2"
     mime-types "^2.1.12"
 
-function-bind@^1.1.2:
-  version "1.1.2"
-  resolved "https://registry.npmjs.org/function-bind/-/function-bind-1.1.2.tgz"
-  integrity sha512-7XHNxH7qX9xG5mIwxkhumTox/MIRNcOgDrxWsMt2pAr23WHp6MrRlN7FBSFpCpr+oVO0F744iUgR82nJMfG2SA==
-
-get-intrinsic@^1.2.6:
-  version "1.3.0"
-  resolved "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.3.0.tgz"
-  integrity sha512-9fSjSaos/fRIVIp+xSJlE6lfwhES7LNtKaCBIamHsjr2na1BiABJPo0mOjjz8GJDURarmCPGqaiVg5mfjb98CQ==
-  dependencies:
-    call-bind-apply-helpers "^1.0.2"
-    es-define-property "^1.0.1"
-    es-errors "^1.3.0"
-    es-object-atoms "^1.1.1"
-    function-bind "^1.1.2"
-    get-proto "^1.0.1"
-    gopd "^1.2.0"
-    has-symbols "^1.1.0"
-    hasown "^2.0.2"
-    math-intrinsics "^1.1.0"
-
-get-proto@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.npmjs.org/get-proto/-/get-proto-1.0.1.tgz"
-  integrity sha512-sTSfBjoXBp89JvIKIefqw7U2CCebsc74kiY6awiGogKtoSGbgjYE/G/+l9sF3MWFPNc9IcoOC4ODfKHfxFmp0g==
-  dependencies:
-    dunder-proto "^1.0.1"
-    es-object-atoms "^1.0.0"
-
 get-system-fonts@^2.0.0:
   version "2.0.0"
-  resolved "https://registry.npmjs.org/get-system-fonts/-/get-system-fonts-2.0.0.tgz"
-  integrity sha512-iiM/DavyF2nnLdELzPBSHojzQJVai9WiwrRzn5gp2dutJuerC8qHyBoh4lxfVdKGbnb9eZ4p8Oefbuc3yExB7Q==
-
-gopd@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.npmjs.org/gopd/-/gopd-1.2.0.tgz"
-  integrity sha512-ZUKRh6/kUFoAiTAtTYPZJ3hw9wNxx+BIBOijnlG9PnrJsCcSjs1wyyD6vJpaYtgnzDrKYRSqf3OO6Rfa93xsRg==
+  resolved "https://registry.yarnpkg.com/get-system-fonts/-/get-system-fonts-2.0.0.tgz#a43b9a33f05c0715a60176d2aad5ce6e98f0a3c6"
 
 has-flag@^3.0.0:
   version "3.0.0"
-  resolved "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz"
-  integrity sha512-sKJf1+ceQBr4SMkvQnBDNDtf4TXpVhVGateu0t918bl30FnbE2m4vNLX+VWe/dpjlb+HugGYzW7uQXH98HPEYw==
-
-has-symbols@^1.0.3, has-symbols@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.npmjs.org/has-symbols/-/has-symbols-1.1.0.tgz"
-  integrity sha512-1cDNdwJ2Jaohmb3sg4OmKaMBwuC48sYni5HUw2DvsC8LjGTLK9h+eb1X6RyuOHe4hT0ULCW68iomhjUoKUqlPQ==
-
-has-tostringtag@^1.0.2:
-  version "1.0.2"
-  resolved "https://registry.npmjs.org/has-tostringtag/-/has-tostringtag-1.0.2.tgz"
-  integrity sha512-NqADB8VjPFLM2V0VvHUewwwsw0ZWBaIdgo+ieHtK3hasLz4qeCRjYcqfB6AQrBggRKppKF8L52/VqdVsO47Dlw==
-  dependencies:
-    has-symbols "^1.0.3"
-
-hasown@^2.0.2:
-  version "2.0.2"
-  resolved "https://registry.npmjs.org/hasown/-/hasown-2.0.2.tgz"
-  integrity sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ==
-  dependencies:
-    function-bind "^1.1.2"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
 
 isarray@0.0.1:
   version "0.0.1"
-  resolved "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz"
-  integrity sha512-D2S+3GLxWH+uhrNEcoh/fnmYeP8E8/zHl644d/jdA0g2uyXvy3sb0qxotE+ne0LtccHknQzWwZEzhak7oJ0COQ==
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
 
 just-extend@^4.0.2:
   version "4.1.0"
-  resolved "https://registry.npmjs.org/just-extend/-/just-extend-4.1.0.tgz"
+  resolved "https://registry.yarnpkg.com/just-extend/-/just-extend-4.1.0.tgz#7278a4027d889601640ee0ce0e5a00b992467da4"
   integrity sha512-ApcjaOdVTJ7y4r08xI5wIqpvwS48Q0PBG4DJROcEkH1f8MdAiNFyFxz3xoL0LWAVwjrwPYZdVHHxhRHcx/uGLA==
 
 lodash.get@^4.4.2:
   version "4.4.2"
-  resolved "https://registry.npmjs.org/lodash.get/-/lodash.get-4.4.2.tgz"
-  integrity sha512-z+Uw/vLuy6gQe8cfaFWD7p0wVv8fJl3mbzXh33RS+0oW2wvUqiRXiQ69gLWSLpgB5/6sU+r6BlQR0MBILadqTQ==
+  resolved "https://registry.yarnpkg.com/lodash.get/-/lodash.get-4.4.2.tgz#2d177f652fa31e939b4438d5341499dfa3825e99"
 
 lodash@^4.17.15:
   version "4.17.21"
-  resolved "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
   integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 lolex@^2.7.5:
   version "2.7.5"
-  resolved "https://registry.npmjs.org/lolex/-/lolex-2.7.5.tgz"
+  resolved "https://registry.yarnpkg.com/lolex/-/lolex-2.7.5.tgz#113001d56bfc7e02d56e36291cc5c413d1aa0733"
   integrity sha512-l9x0+1offnKKIzYVjyXU2SiwhXDLekRzKyhnbyldPHvC7BvLPVpdNUNR2KeMAiCN2D/kLNttZgQD5WjSxuBx3Q==
 
 lolex@^5.0.1:
   version "5.1.2"
-  resolved "https://registry.npmjs.org/lolex/-/lolex-5.1.2.tgz"
+  resolved "https://registry.yarnpkg.com/lolex/-/lolex-5.1.2.tgz#953694d098ce7c07bc5ed6d0e42bc6c0c6d5a367"
   integrity sha512-h4hmjAvHTmd+25JSwrtTIuwbKdwg5NzZVRMLn9saij4SZaepCrTCxPr35H/3bjwfMJtN+t3CX8672UIkglz28A==
   dependencies:
     "@sinonjs/commons" "^1.7.0"
 
 lru-cache@^6.0.0:
   version "6.0.0"
-  resolved "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz"
+  resolved "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz#6d6fe6570ebd96aaf90fcad1dafa3b2566db3a94"
   integrity sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==
   dependencies:
     yallist "^4.0.0"
 
-math-intrinsics@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.npmjs.org/math-intrinsics/-/math-intrinsics-1.1.0.tgz"
-  integrity sha512-/IXtbwEk5HTPyEwyKX6hGkYXxM9nbj64B+ilVJnC/R6B0pH5G4V3b0pVbL7DBj4tkhBAppbQUlf6F6Xl9LHu1g==
-
 mime-db@1.52.0:
   version "1.52.0"
-  resolved "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.52.0.tgz#bbabcdc02859f4987301c856e3387ce5ec43bf70"
   integrity sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==
 
 mime-types@^2.1.12:
   version "2.1.35"
-  resolved "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.35.tgz#381a871b62a734450660ae3deee44813f70d959a"
   integrity sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==
   dependencies:
     mime-db "1.52.0"
 
 minimist@^1.2.5:
   version "1.2.6"
-  resolved "https://registry.npmjs.org/minimist/-/minimist-1.2.6.tgz"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.6.tgz#8637a5b759ea0d6e98702cfb3a9283323c93af44"
   integrity sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q==
 
 mkdirp@0.5.5:
   version "0.5.5"
-  resolved "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.5.tgz#d91cefd62d1436ca0f41620e251288d420099def"
   integrity sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==
   dependencies:
     minimist "^1.2.5"
 
 nise@^1.4.5:
   version "1.5.3"
-  resolved "https://registry.npmjs.org/nise/-/nise-1.5.3.tgz"
+  resolved "https://registry.yarnpkg.com/nise/-/nise-1.5.3.tgz#9d2cfe37d44f57317766c6e9408a359c5d3ac1f7"
   integrity sha512-Ymbac/94xeIrMf59REBPOv0thr+CJVFMhrlAkW/gjCIE58BGQdCj0x7KRCb3yz+Ga2Rz3E9XXSvUyyxqqhjQAQ==
   dependencies:
     "@sinonjs/formatio" "^3.2.1"
@@ -310,36 +205,33 @@ nise@^1.4.5:
 
 opentype.js@^0.8.0:
   version "0.8.0"
-  resolved "https://registry.npmjs.org/opentype.js/-/opentype.js-0.8.0.tgz"
-  integrity sha512-FQHR4oGP+a0m/f6yHoRpBOIbn/5ZWxKd4D/djHVJu8+KpBTYrJda0b7mLcgDEMWXE9xBCJm+qb0yv6FcvPjukg==
+  resolved "https://registry.yarnpkg.com/opentype.js/-/opentype.js-0.8.0.tgz#acabcfa1642fbe894a3e4d759e43ba694e02bd35"
   dependencies:
     tiny-inflate "^1.0.2"
 
 path-to-regexp@^1.7.0:
   version "1.9.0"
-  resolved "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-1.9.0.tgz"
+  resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-1.9.0.tgz#5dc0753acbf8521ca2e0f137b4578b917b10cf24"
   integrity sha512-xIp7/apCFJuUHdDLWe8O1HIkb0kQrOMb/0u6FXQjemHn/ii5LrIzU6bdECnsiTF/GjZkMEKg1xdiZwNqDYlZ6g==
   dependencies:
     isarray "0.0.1"
 
 pend@~1.2.0:
   version "1.2.0"
-  resolved "https://registry.npmjs.org/pend/-/pend-1.2.0.tgz"
-  integrity sha512-F3asv42UuXchdzt+xXqfW1OGlVBe+mxa2mqI0pg5yAHZPvFmY3Y6drSf/GQ1A86WgWEN9Kzh/WrgKa6iGcHXLg==
+  resolved "https://registry.yarnpkg.com/pend/-/pend-1.2.0.tgz#7a57eb550a6783f9115331fcf4663d5c8e007a50"
 
 promise-stream-reader@^1.0.1:
   version "1.0.1"
-  resolved "https://registry.npmjs.org/promise-stream-reader/-/promise-stream-reader-1.0.1.tgz"
-  integrity sha512-Tnxit5trUjBAqqZCGWwjyxhmgMN4hGrtpW3Oc/tRI4bpm/O2+ej72BB08l6JBnGQgVDGCLvHFGjGgQS6vzhwXg==
+  resolved "https://registry.yarnpkg.com/promise-stream-reader/-/promise-stream-reader-1.0.1.tgz#4e793a79c9d49a73ccd947c6da9c127f12923649"
 
 proxy-from-env@^1.1.0:
   version "1.1.0"
-  resolved "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.1.0.tgz"
+  resolved "https://registry.yarnpkg.com/proxy-from-env/-/proxy-from-env-1.1.0.tgz#e102f16ca355424865755d2c9e8ea4f24d58c3e2"
   integrity sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg==
 
 sinon@6.3.5:
   version "6.3.5"
-  resolved "https://registry.npmjs.org/sinon/-/sinon-6.3.5.tgz"
+  resolved "https://registry.yarnpkg.com/sinon/-/sinon-6.3.5.tgz#0f6d6a5b4ebaad1f6e8e019395542d1d02c144a0"
   integrity sha512-xgoZ2gKjyVRcF08RrIQc+srnSyY1JDJtxu3Nsz07j1ffjgXoY6uPLf/qja6nDBZgzYYEovVkFryw2+KiZz11xQ==
   dependencies:
     "@sinonjs/commons" "^1.0.2"
@@ -354,30 +246,27 @@ sinon@6.3.5:
 
 supports-color@^5.5.0:
   version "5.5.0"
-  resolved "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"
   integrity sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==
   dependencies:
     has-flag "^3.0.0"
 
 tiny-inflate@^1.0.2:
   version "1.0.2"
-  resolved "https://registry.npmjs.org/tiny-inflate/-/tiny-inflate-1.0.2.tgz"
-  integrity sha512-fEndoHfuiSlXtvG0EA1gB4uAdy2dbQ3WfOtQw1/Y8NQ9rxtGbGkENwfGmN0wK7OkxDz1lgc5Ei2LQ0oxKDUcVw==
+  resolved "https://registry.yarnpkg.com/tiny-inflate/-/tiny-inflate-1.0.2.tgz#93d9decffc8805bd57eae4310f0b745e9b6fb3a7"
 
-type-detect@^4.0.8, type-detect@4.0.8:
+type-detect@4.0.8, type-detect@^4.0.8:
   version "4.0.8"
-  resolved "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz"
-  integrity sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==
+  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.0.8.tgz#7646fb5f18871cfbb7749e69bd39a6388eb7450c"
 
 yallist@^4.0.0:
   version "4.0.0"
-  resolved "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz"
+  resolved "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz#9bb92790d9c0effec63be73519e11a35019a3a72"
   integrity sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==
 
 yauzl@^2.10.0:
   version "2.10.0"
-  resolved "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz"
-  integrity sha512-p4a9I6X6nu6IhoGmBqAcbJy1mlC4j27vEPZX9F4L4/vZT3Lyq1VkFHw/V/PUcB9Buo+DG3iHkT0x3Qya58zc3g==
+  resolved "https://registry.yarnpkg.com/yauzl/-/yauzl-2.10.0.tgz#c7eb17c93e112cb1086fa6d8e51fb0667b79a5f9"
   dependencies:
     buffer-crc32 "~0.2.3"
     fd-slicer "~1.1.0"

addons/addon-progress/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@xterm/addon-progress",
-  "version": "0.2.0",
+  "version": "0.1.0",
   "author": {
     "name": "The xterm.js authors",
     "url": "https://xtermjs.org/"
@@ -21,5 +21,8 @@
     "package": "../../node_modules/.bin/webpack",
     "prepublishOnly": "npm run package",
     "start": "node ../../demo/start"
+  },
+  "peerDependencies": {
+    "@xterm/xterm": "^5.0.0"
   }
 }

addons/addon-progress/src/tsconfig.json

@@ -12,7 +12,8 @@
     "removeComments": true,
     "strict": true,
     "types": [
-      "../../../node_modules/@types/mocha"
+      "../../../node_modules/@types/mocha",
+      "../../../src/vs/typings/thenable"
     ],
     "paths": {
       "browser/*": [

addons/addon-search/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@xterm/addon-search",
-  "version": "0.16.0",
+  "version": "0.15.0",
   "author": {
     "name": "The xterm.js authors",
     "url": "https://xtermjs.org/"
@@ -20,5 +20,8 @@
     "package": "../../node_modules/.bin/webpack",
     "prepublishOnly": "npm run package",
     "start": "node ../../demo/start"
+  },
+  "peerDependencies": {
+    "@xterm/xterm": "^5.0.0"
   }
 }

addons/addon-search/src/DecorationManager.ts

@@ -1,157 +0,0 @@
-/**
- * Copyright (c) 2017 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-
-import type { Terminal, IDisposable, IDecoration } from '@xterm/xterm';
-import type { ISearchDecorationOptions } from '@xterm/addon-search';
-import { dispose, Disposable, toDisposable } from 'vs/base/common/lifecycle';
-import type { ISearchResult } from './SearchEngine';
-
-/**
- * Interface for managing a highlight decoration.
- */
-interface IHighlight extends IDisposable {
-  decoration: IDecoration;
-  match: ISearchResult;
-}
-
-/**
- * Interface for managing multiple decorations for a single match.
- */
-interface IMultiHighlight extends IDisposable {
-  decorations: IDecoration[];
-  match: ISearchResult;
-}
-
-/**
- * Manages visual decorations for search results including highlighting and active selection
- * indicators. This class handles the creation, styling, and disposal of search-related decorations.
- */
-export class DecorationManager extends Disposable {
-  private _highlightDecorations: IHighlight[] = [];
-  private _highlightedLines: Set<number> = new Set();
-
-  constructor(private readonly _terminal: Terminal) {
-    super();
-    this._register(toDisposable(() => this.clearHighlightDecorations()));
-  }
-
-  /**
-   * Creates decorations for all provided search results.
-   * @param results The search results to create decorations for.
-   * @param options The decoration options.
-   */
-  public createHighlightDecorations(results: ISearchResult[], options: ISearchDecorationOptions): void {
-    this.clearHighlightDecorations();
-
-    for (const match of results) {
-      const decorations = this._createResultDecorations(match, options, false);
-      if (decorations) {
-        for (const decoration of decorations) {
-          this._storeDecoration(decoration, match);
-        }
-      }
-    }
-  }
-
-  /**
-   * Creates decorations for the currently active search result.
-   * @param result The active search result.
-   * @param options The decoration options.
-   * @returns The multi-highlight decoration or undefined if creation failed.
-   */
-  public createActiveDecoration(result: ISearchResult, options: ISearchDecorationOptions): IMultiHighlight | undefined {
-    const decorations = this._createResultDecorations(result, options, true);
-    if (decorations) {
-      return { decorations, match: result, dispose() { dispose(decorations); } };
-    }
-    return undefined;
-  }
-
-  /**
-   * Clears all highlight decorations.
-   */
-  public clearHighlightDecorations(): void {
-    dispose(this._highlightDecorations);
-    this._highlightDecorations = [];
-    this._highlightedLines.clear();
-  }
-
-  /**
-   * Stores a decoration and tracks it for management.
-   * @param decoration The decoration to store.
-   * @param match The search result this decoration represents.
-   */
-  private _storeDecoration(decoration: IDecoration, match: ISearchResult): void {
-    this._highlightedLines.add(decoration.marker.line);
-    this._highlightDecorations.push({ decoration, match, dispose() { decoration.dispose(); } });
-  }
-
-  /**
-   * Applies styles to the decoration when it is rendered.
-   * @param element The decoration's element.
-   * @param borderColor The border color to apply.
-   * @param isActiveResult Whether the element is part of the active search result.
-   */
-  private _applyStyles(element: HTMLElement, borderColor: string | undefined, isActiveResult: boolean): void {
-    if (!element.classList.contains('xterm-find-result-decoration')) {
-      element.classList.add('xterm-find-result-decoration');
-      if (borderColor) {
-        element.style.outline = `1px solid ${borderColor}`;
-      }
-    }
-    if (isActiveResult) {
-      element.classList.add('xterm-find-active-result-decoration');
-    }
-  }
-
-  /**
-   * Creates a decoration for the result and applies styles
-   * @param result the search result for which to create the decoration
-   * @param options the options for the decoration
-   * @param isActiveResult whether this is the currently active result
-   * @returns the decorations or undefined if the marker has already been disposed of
-   */
-  private _createResultDecorations(result: ISearchResult, options: ISearchDecorationOptions, isActiveResult: boolean): IDecoration[] | undefined {
-    // Gather decoration ranges for this match as it could wrap
-    const decorationRanges: [number, number, number][] = [];
-    let currentCol = result.col;
-    let remainingSize = result.size;
-    let markerOffset = -this._terminal.buffer.active.baseY - this._terminal.buffer.active.cursorY + result.row;
-    while (remainingSize > 0) {
-      const amountThisRow = Math.min(this._terminal.cols - currentCol, remainingSize);
-      decorationRanges.push([markerOffset, currentCol, amountThisRow]);
-      currentCol = 0;
-      remainingSize -= amountThisRow;
-      markerOffset++;
-    }
-
-    // Create the decorations
-    const decorations: IDecoration[] = [];
-    for (const range of decorationRanges) {
-      const marker = this._terminal.registerMarker(range[0]);
-      const decoration = this._terminal.registerDecoration({
-        marker,
-        x: range[1],
-        width: range[2],
-        backgroundColor: isActiveResult ? options.activeMatchBackground : options.matchBackground,
-        overviewRulerOptions: this._highlightedLines.has(marker.line) ? undefined : {
-          color: isActiveResult ? options.activeMatchColorOverviewRuler : options.matchOverviewRuler,
-          position: 'center'
-        }
-      });
-      if (decoration) {
-        const disposables: IDisposable[] = [];
-        disposables.push(marker);
-        disposables.push(decoration.onRender((e) => this._applyStyles(e, isActiveResult ? options.activeMatchBorder : options.matchBorder, false)));
-        disposables.push(decoration.onDispose(() => dispose(disposables)));
-        decorations.push(decoration);
-      }
-    }
-
-    return decorations.length === 0 ? undefined : decorations;
-  }
-}
-
-

addons/addon-search/src/SearchAddon.ts

@@ -3,87 +3,129 @@
  * @license MIT
  */
 
-import type { Terminal, IDisposable, ITerminalAddon } from '@xterm/xterm';
-import type { SearchAddon as ISearchApi, ISearchOptions, ISearchAddonOptions, ISearchResultChangeEvent } from '@xterm/addon-search';
-import { Event } from 'vs/base/common/event';
-import { Disposable, MutableDisposable, toDisposable } from 'vs/base/common/lifecycle';
-import { disposableTimeout } from 'vs/base/common/async';
-import { SearchLineCache } from './SearchLineCache';
-import { SearchState } from './SearchState';
-import { SearchEngine, type ISearchResult } from './SearchEngine';
-import { DecorationManager } from './DecorationManager';
-import { SearchResultTracker } from './SearchResultTracker';
+import type { Terminal, IDisposable, ITerminalAddon, IDecoration } from '@xterm/xterm';
+import type { SearchAddon as ISearchApi } from '@xterm/addon-search';
+import { Emitter } from 'vs/base/common/event';
+import { combinedDisposable, Disposable, dispose, MutableDisposable, toDisposable } from 'vs/base/common/lifecycle';
 
-interface IInternalSearchOptions {
-  noScroll: boolean;
+export interface ISearchOptions {
+  regex?: boolean;
+  wholeWord?: boolean;
+  caseSensitive?: boolean;
+  incremental?: boolean;
+  decorations?: ISearchDecorationOptions;
+  noScroll?: boolean;
 }
 
-/**
- * Configuration constants for the search addon functionality.
- */
-const enum Constants {
+interface ISearchDecorationOptions {
+  matchBackground?: string;
+  matchBorder?: string;
+  matchOverviewRuler: string;
+  activeMatchBackground?: string;
+  activeMatchBorder?: string;
+  activeMatchColorOverviewRuler: string;
+}
+
+export interface ISearchPosition {
+  startCol: number;
+  startRow: number;
+}
+
+export interface ISearchAddonOptions {
+  highlightLimit: number;
+}
+
+export interface ISearchResult {
+  term: string;
+  col: number;
+  row: number;
+  size: number;
+}
+
+type LineCacheEntry = [
   /**
-   * Default maximum number of search results to highlight simultaneously. This limit prevents
-   * performance degradation when searching for very common terms that would result in excessive
-   * highlighting decorations.
+   * The string representation of a line (as opposed to the buffer cell representation).
    */
-  DEFAULT_HIGHLIGHT_LIMIT = 1000
+  lineAsString: string,
+  /**
+   * The offsets where each line starts when the entry describes a wrapped line.
+   */
+  lineOffsets: number[]
+];
+
+interface IHighlight extends IDisposable {
+  decoration: IDecoration;
+  match: ISearchResult;
 }
 
-export class SearchAddon extends Disposable implements ITerminalAddon, ISearchApi {
+interface IMultiHighlight extends IDisposable {
+  decorations: IDecoration[];
+  match: ISearchResult;
+}
+
+const NON_WORD_CHARACTERS = ' ~!@#$%^&*()+`-=[]{}|\\;:"\',./<>?';
+const LINES_CACHE_TIME_TO_LIVE = 15 * 1000; // 15 secs
+const DEFAULT_HIGHLIGHT_LIMIT = 1000;
+
+export class SearchAddon extends Disposable implements ITerminalAddon , ISearchApi {
   private _terminal: Terminal | undefined;
+  private _cachedSearchTerm: string | undefined;
+  private _highlightedLines: Set<number> = new Set();
+  private _highlightDecorations: IHighlight[] = [];
+  private _selectedDecoration: MutableDisposable<IMultiHighlight> = this._register(new MutableDisposable());
   private _highlightLimit: number;
-  private _highlightTimeout = this._register(new MutableDisposable<IDisposable>());
-  private _lineCache = this._register(new MutableDisposable<SearchLineCache>());
+  private _lastSearchOptions: ISearchOptions | undefined;
+  private _highlightTimeout: number | undefined;
+  /**
+   * 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: LineCacheEntry[] | undefined;
+  private _linesCacheTimeoutId = 0;
+  private _linesCacheDisposables = new MutableDisposable();
 
-  // Component instances
-  private _state = new SearchState();
-  private _engine: SearchEngine | undefined;
-  private _decorationManager: DecorationManager | undefined;
-  private _resultTracker = this._register(new SearchResultTracker());
-
-  public get onDidChangeResults(): Event<ISearchResultChangeEvent> {
-    return this._resultTracker.onDidChangeResults;
-  }
+  private readonly _onDidChangeResults = this._register(new Emitter<{ resultIndex: number, resultCount: number }>());
+  public readonly onDidChangeResults = this._onDidChangeResults.event;
 
   constructor(options?: Partial<ISearchAddonOptions>) {
     super();
 
-    this._highlightLimit = options?.highlightLimit ?? Constants.DEFAULT_HIGHLIGHT_LIMIT;
+    this._highlightLimit = options?.highlightLimit ?? DEFAULT_HIGHLIGHT_LIMIT;
   }
 
   public activate(terminal: Terminal): void {
     this._terminal = terminal;
-    this._lineCache.value = new SearchLineCache(terminal);
-    this._engine = new SearchEngine(terminal, this._lineCache.value);
-    this._decorationManager = new DecorationManager(terminal);
     this._register(this._terminal.onWriteParsed(() => this._updateMatches()));
     this._register(this._terminal.onResize(() => this._updateMatches()));
     this._register(toDisposable(() => this.clearDecorations()));
   }
 
   private _updateMatches(): void {
-    this._highlightTimeout.clear();
-    if (this._state.cachedSearchTerm && this._state.lastSearchOptions?.decorations) {
-      this._highlightTimeout.value = disposableTimeout(() => {
-        const term = this._state.cachedSearchTerm;
-        this._state.clearCachedTerm();
-        this.findPrevious(term!, { ...this._state.lastSearchOptions, incremental: true }, { noScroll: true });
+    if (this._highlightTimeout) {
+      window.clearTimeout(this._highlightTimeout);
+    }
+    if (this._cachedSearchTerm && this._lastSearchOptions?.decorations) {
+      this._highlightTimeout = setTimeout(() => {
+        const term = this._cachedSearchTerm;
+        this._cachedSearchTerm = undefined;
+        this.findPrevious(term!, { ...this._lastSearchOptions, incremental: true, noScroll: true });
       }, 200);
     }
   }
 
   public clearDecorations(retainCachedSearchTerm?: boolean): void {
-    this._resultTracker.clearSelectedDecoration();
-    this._decorationManager?.clearHighlightDecorations();
-    this._resultTracker.clearResults();
+    this._selectedDecoration.clear();
+    dispose(this._highlightDecorations);
+    this._highlightDecorations = [];
+    this._highlightedLines.clear();
     if (!retainCachedSearchTerm) {
-      this._state.clearCachedTerm();
+      this._cachedSearchTerm = undefined;
     }
   }
 
   public clearActiveDecoration(): void {
-    this._resultTracker.clearSelectedDecoration();
+    this._selectedDecoration.clear();
   }
 
   /**
@@ -93,74 +135,174 @@ export class SearchAddon extends Disposable implements ITerminalAddon, ISearchAp
    * @param searchOptions Search options.
    * @returns Whether a result was found.
    */
-  public findNext(term: string, searchOptions?: ISearchOptions, internalSearchOptions?: IInternalSearchOptions): boolean {
-    if (!this._terminal || !this._engine) {
+  public findNext(term: string, searchOptions?: ISearchOptions): boolean {
+    if (!this._terminal) {
       throw new Error('Cannot use addon until it has been loaded');
     }
-
-    this._state.lastSearchOptions = searchOptions;
-
-    if (this._state.shouldUpdateHighlighting(term, searchOptions)) {
-      this._highlightAllMatches(term, searchOptions!);
+    const didOptionsChanged = this._lastSearchOptions ? this._didOptionsChange(this._lastSearchOptions, searchOptions) : true;
+    this._lastSearchOptions = searchOptions;
+    if (searchOptions?.decorations) {
+      if (this._cachedSearchTerm === undefined || term !== this._cachedSearchTerm || didOptionsChanged) {
+        this._highlightAllMatches(term, searchOptions);
+      }
     }
 
-    const found = this._findNextAndSelect(term, searchOptions, internalSearchOptions);
+    const found = this._findNextAndSelect(term, searchOptions);
     this._fireResults(searchOptions);
-    this._state.cachedSearchTerm = term;
+    this._cachedSearchTerm = term;
 
     return found;
   }
 
   private _highlightAllMatches(term: string, searchOptions: ISearchOptions): void {
-    if (!this._terminal || !this._engine || !this._decorationManager) {
+    if (!this._terminal) {
       throw new Error('Cannot use addon until it has been loaded');
     }
-    if (!this._state.isValidSearchTerm(term)) {
+    if (!term || term.length === 0) {
       this.clearDecorations();
       return;
     }
+    searchOptions = searchOptions || {};
 
     // new search, clear out the old decorations
     this.clearDecorations(true);
 
-    const results: ISearchResult[] = [];
+    const searchResultsWithHighlight: ISearchResult[] = [];
     let prevResult: ISearchResult | undefined = undefined;
-    let result = this._engine.find(term, 0, 0, searchOptions);
-
+    let result = this._find(term, 0, 0, searchOptions);
     while (result && (prevResult?.row !== result.row || prevResult?.col !== result.col)) {
-      if (results.length >= this._highlightLimit) {
+      if (searchResultsWithHighlight.length >= this._highlightLimit) {
         break;
       }
       prevResult = result;
-      results.push(prevResult);
-      result = this._engine.find(
+      searchResultsWithHighlight.push(prevResult);
+      result = this._find(
         term,
         prevResult.col + prevResult.term.length >= this._terminal.cols ? prevResult.row + 1 : prevResult.row,
         prevResult.col + prevResult.term.length >= this._terminal.cols ? 0 : prevResult.col + 1,
         searchOptions
       );
     }
-
-    this._resultTracker.updateResults(results, this._highlightLimit);
-    if (searchOptions.decorations) {
-      this._decorationManager.createHighlightDecorations(results, searchOptions.decorations);
+    for (const match of searchResultsWithHighlight) {
+      const decorations = this._createResultDecorations(match, searchOptions.decorations!, false);
+      if (decorations) {
+        for (const decoration of decorations) {
+          this._storeDecoration(decoration, match);
+        }
+      }
     }
   }
 
-  private _findNextAndSelect(term: string, searchOptions?: ISearchOptions, internalSearchOptions?: IInternalSearchOptions): boolean {
-    if (!this._terminal || !this._engine) {
-      return false;
+  private _storeDecoration(decoration: IDecoration, match: ISearchResult): void {
+    this._highlightedLines.add(decoration.marker.line);
+    this._highlightDecorations.push({ decoration, match, dispose() { decoration.dispose(); } });
+  }
+
+  private _find(term: string, startRow: number, startCol: number, searchOptions?: ISearchOptions): ISearchResult | undefined {
+    if (!this._terminal || !term || term.length === 0) {
+      this._terminal?.clearSelection();
+      this.clearDecorations();
+      return undefined;
     }
-    if (!this._state.isValidSearchTerm(term)) {
-      this._terminal.clearSelection();
+    if (startCol > this._terminal.cols) {
+      throw new Error(`Invalid col: ${startCol} to search in terminal of ${this._terminal.cols} cols`);
+    }
+
+    let result: ISearchResult | undefined = undefined;
+
+    this._initLinesCache();
+
+    const searchPosition: ISearchPosition = {
+      startRow,
+      startCol
+    };
+
+    // Search startRow
+    result = this._findInLine(term, searchPosition, searchOptions);
+    // Search from startRow + 1 to end
+    if (!result) {
+
+      for (let y = startRow + 1; y < this._terminal.buffer.active.baseY + this._terminal.rows; y++) {
+        searchPosition.startRow = y;
+        searchPosition.startCol = 0;
+        // If the current line is wrapped line, increase index of column to ignore the previous scan
+        // Otherwise, reset beginning column index to zero with set new unwrapped line index
+        result = this._findInLine(term, searchPosition, searchOptions);
+        if (result) {
+          break;
+        }
+      }
+    }
+    return result;
+  }
+
+  private _findNextAndSelect(term: string, searchOptions?: ISearchOptions): boolean {
+    if (!this._terminal || !term || term.length === 0) {
+      this._terminal?.clearSelection();
       this.clearDecorations();
       return false;
     }
 
-    const result = this._engine.findNextWithSelection(term, searchOptions, this._state.cachedSearchTerm);
-    return this._selectResult(result, searchOptions?.decorations, internalSearchOptions?.noScroll);
-  }
+    const prevSelectedPos = this._terminal.getSelectionPosition();
+    this._terminal.clearSelection();
 
+    let startCol = 0;
+    let startRow = 0;
+    if (prevSelectedPos) {
+      if (this._cachedSearchTerm === term) {
+        startCol = prevSelectedPos.end.x;
+        startRow = prevSelectedPos.end.y;
+      } else {
+        startCol = prevSelectedPos.start.x;
+        startRow = prevSelectedPos.start.y;
+      }
+    }
+
+    this._initLinesCache();
+
+    const searchPosition: ISearchPosition = {
+      startRow,
+      startCol
+    };
+
+    // Search startRow
+    let result = this._findInLine(term, searchPosition, searchOptions);
+    // Search from startRow + 1 to end
+    if (!result) {
+
+      for (let y = startRow + 1; y < this._terminal.buffer.active.baseY + this._terminal.rows; y++) {
+        searchPosition.startRow = y;
+        searchPosition.startCol = 0;
+        // If the current line is wrapped line, increase index of column to ignore the previous scan
+        // Otherwise, reset beginning column index to zero with set new unwrapped line index
+        result = this._findInLine(term, searchPosition, searchOptions);
+        if (result) {
+          break;
+        }
+      }
+    }
+    // If we hit the bottom and didn't search from the very top wrap back up
+    if (!result && startRow !== 0) {
+      for (let y = 0; y < startRow; y++) {
+        searchPosition.startRow = y;
+        searchPosition.startCol = 0;
+        result = this._findInLine(term, searchPosition, searchOptions);
+        if (result) {
+          break;
+        }
+      }
+    }
+
+    // If there is only one result, wrap back and return selection if it exists.
+    if (!result && prevSelectedPos) {
+      searchPosition.startRow = prevSelectedPos.start.y;
+      searchPosition.startCol = 0;
+      result = this._findInLine(term, searchPosition, searchOptions);
+    }
+
+    // Set selection and scroll if a result was found
+    return this._selectResult(result, searchOptions?.decorations, searchOptions?.noScroll);
+  }
   /**
    * Find the previous instance of the term, then scroll to and select it. If it
    * doesn't exist, do nothing.
@@ -168,40 +310,357 @@ export class SearchAddon extends Disposable implements ITerminalAddon, ISearchAp
    * @param searchOptions Search options.
    * @returns Whether a result was found.
    */
-  public findPrevious(term: string, searchOptions?: ISearchOptions, internalSearchOptions?: IInternalSearchOptions): boolean {
-    if (!this._terminal || !this._engine) {
+  public findPrevious(term: string, searchOptions?: ISearchOptions): boolean {
+    if (!this._terminal) {
       throw new Error('Cannot use addon until it has been loaded');
     }
-
-    this._state.lastSearchOptions = searchOptions;
-
-    if (this._state.shouldUpdateHighlighting(term, searchOptions)) {
-      this._highlightAllMatches(term, searchOptions!);
+    const didOptionsChanged = this._lastSearchOptions ? this._didOptionsChange(this._lastSearchOptions, searchOptions) : true;
+    this._lastSearchOptions = searchOptions;
+    if (searchOptions?.decorations) {
+      if (this._cachedSearchTerm === undefined || term !== this._cachedSearchTerm || didOptionsChanged) {
+        this._highlightAllMatches(term, searchOptions);
+      }
     }
 
-    const found = this._findPreviousAndSelect(term, searchOptions, internalSearchOptions);
+    const found = this._findPreviousAndSelect(term, searchOptions);
     this._fireResults(searchOptions);
-    this._state.cachedSearchTerm = term;
+    this._cachedSearchTerm = term;
 
     return found;
   }
 
-  private _fireResults(searchOptions?: ISearchOptions): void {
-    this._resultTracker.fireResultsChanged(!!searchOptions?.decorations);
-  }
-
-  private _findPreviousAndSelect(term: string, searchOptions?: ISearchOptions, internalSearchOptions?: IInternalSearchOptions): boolean {
-    if (!this._terminal || !this._engine) {
+  private _didOptionsChange(lastSearchOptions: ISearchOptions, searchOptions?: ISearchOptions): boolean {
+    if (!searchOptions) {
       return false;
     }
-    if (!this._state.isValidSearchTerm(term)) {
-      this._terminal.clearSelection();
+    if (lastSearchOptions.caseSensitive !== searchOptions.caseSensitive) {
+      return true;
+    }
+    if (lastSearchOptions.regex !== searchOptions.regex) {
+      return true;
+    }
+    if (lastSearchOptions.wholeWord !== searchOptions.wholeWord) {
+      return true;
+    }
+    return false;
+  }
+
+  private _fireResults(searchOptions?: ISearchOptions): void {
+    if (searchOptions?.decorations) {
+      let resultIndex = -1;
+      if (this._selectedDecoration.value) {
+        const selectedMatch = this._selectedDecoration.value.match;
+        for (let i = 0; i < this._highlightDecorations.length; i++) {
+          const match = this._highlightDecorations[i].match;
+          if (match.row === selectedMatch.row && match.col === selectedMatch.col && match.size === selectedMatch.size) {
+            resultIndex = i;
+            break;
+          }
+        }
+      }
+      this._onDidChangeResults.fire({ resultIndex, resultCount: this._highlightDecorations.length });
+    }
+  }
+
+  private _findPreviousAndSelect(term: string, searchOptions?: ISearchOptions): boolean {
+    if (!this._terminal) {
+      throw new Error('Cannot use addon until it has been loaded');
+    }
+    if (!this._terminal || !term || term.length === 0) {
+      this._terminal?.clearSelection();
       this.clearDecorations();
       return false;
     }
 
-    const result = this._engine.findPreviousWithSelection(term, searchOptions, this._state.cachedSearchTerm);
-    return this._selectResult(result, searchOptions?.decorations, internalSearchOptions?.noScroll);
+    const prevSelectedPos = this._terminal.getSelectionPosition();
+    this._terminal.clearSelection();
+
+    let startRow = this._terminal.buffer.active.baseY + this._terminal.rows - 1;
+    let startCol = this._terminal.cols;
+    const isReverseSearch = true;
+
+    this._initLinesCache();
+    const searchPosition: ISearchPosition = {
+      startRow,
+      startCol
+    };
+
+    let result: ISearchResult | undefined;
+    if (prevSelectedPos) {
+      searchPosition.startRow = startRow = prevSelectedPos.start.y;
+      searchPosition.startCol = startCol = prevSelectedPos.start.x;
+      if (this._cachedSearchTerm !== term) {
+        // Try to expand selection to right first.
+        result = this._findInLine(term, searchPosition, searchOptions, false);
+        if (!result) {
+          // If selection was not able to be expanded to the right, then try reverse search
+          searchPosition.startRow = startRow = prevSelectedPos.end.y;
+          searchPosition.startCol = startCol = prevSelectedPos.end.x;
+        }
+      }
+    }
+
+    if (!result) {
+      result = this._findInLine(term, searchPosition, searchOptions, isReverseSearch);
+    }
+
+    // Search from startRow - 1 to top
+    if (!result) {
+      searchPosition.startCol = Math.max(searchPosition.startCol, this._terminal.cols);
+      for (let y = startRow - 1; y >= 0; y--) {
+        searchPosition.startRow = y;
+        result = this._findInLine(term, searchPosition, searchOptions, isReverseSearch);
+        if (result) {
+          break;
+        }
+      }
+    }
+    // If we hit the top and didn't search from the very bottom wrap back down
+    if (!result && startRow !== (this._terminal.buffer.active.baseY + this._terminal.rows - 1)) {
+      for (let y = (this._terminal.buffer.active.baseY + this._terminal.rows - 1); y >= startRow; y--) {
+        searchPosition.startRow = y;
+        result = this._findInLine(term, searchPosition, searchOptions, isReverseSearch);
+        if (result) {
+          break;
+        }
+      }
+    }
+
+    // Set selection and scroll if a result was found
+    return this._selectResult(result, searchOptions?.decorations, searchOptions?.noScroll);
+  }
+
+  /**
+   * Sets up a line cache with a ttl
+   */
+  private _initLinesCache(): void {
+    const terminal = this._terminal!;
+    if (!this._linesCache) {
+      this._linesCache = new Array(terminal.buffer.active.length);
+      this._linesCacheDisposables.value = combinedDisposable(
+        terminal.onLineFeed(() => this._destroyLinesCache()),
+        terminal.onCursorMove(() => this._destroyLinesCache()),
+        terminal.onResize(() => this._destroyLinesCache())
+      );
+    }
+
+    window.clearTimeout(this._linesCacheTimeoutId);
+    this._linesCacheTimeoutId = window.setTimeout(() => this._destroyLinesCache(), LINES_CACHE_TIME_TO_LIVE);
+  }
+
+  private _destroyLinesCache(): void {
+    this._linesCache = undefined;
+    this._linesCacheDisposables.clear();
+    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.includes(line[searchIndex - 1]))) &&
+      (((searchIndex + term.length) === line.length) || (NON_WORD_CHARACTERS.includes(line[searchIndex + term.length])));
+  }
+
+  /**
+   * 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 searchPosition The position to start the search.
+   * @param searchOptions Search options.
+   * @param isReverseSearch Whether the search should start from the right side of the terminal and
+   * search to the left.
+   * @returns The search result if it was found.
+   */
+  protected _findInLine(term: string, searchPosition: ISearchPosition, searchOptions: ISearchOptions = {}, isReverseSearch: boolean = false): ISearchResult | undefined {
+    const terminal = this._terminal!;
+    const row = searchPosition.startRow;
+    const col = searchPosition.startCol;
+
+    // Ignore wrapped lines, only consider on unwrapped line (first row of command string).
+    const firstLine = terminal.buffer.active.getLine(row);
+    if (firstLine?.isWrapped) {
+      if (isReverseSearch) {
+        searchPosition.startCol += terminal.cols;
+        return;
+      }
+
+      // This will iterate until we find the line start.
+      // When we find it, we will search using the calculated start column.
+      searchPosition.startRow--;
+      searchPosition.startCol += terminal.cols;
+      return this._findInLine(term, searchPosition, searchOptions);
+    }
+    let cache = this._linesCache?.[row];
+    if (!cache) {
+      cache = this._translateBufferLineToStringWithWrap(row, true);
+      if (this._linesCache) {
+        this._linesCache[row] = cache;
+      }
+    }
+    const [stringLine, offsets] = cache;
+
+    const offset = this._bufferColsToStringOffset(row, col);
+    let searchTerm = term;
+    let searchStringLine = stringLine;
+    if (!searchOptions.regex) {
+      searchTerm = searchOptions.caseSensitive ? term : term.toLowerCase();
+      searchStringLine = searchOptions.caseSensitive ? stringLine : stringLine.toLowerCase();
+    }
+
+    let resultIndex = -1;
+    if (searchOptions.regex) {
+      const searchRegex = RegExp(searchTerm, searchOptions.caseSensitive ? 'g' : 'gi');
+      let foundTerm: RegExpExecArray | null;
+      if (isReverseSearch) {
+        // This loop will get the resultIndex of the _last_ regex match in the range 0..offset
+        while (foundTerm = searchRegex.exec(searchStringLine.slice(0, offset))) {
+          resultIndex = searchRegex.lastIndex - foundTerm[0].length;
+          term = foundTerm[0];
+          searchRegex.lastIndex -= (term.length - 1);
+        }
+      } else {
+        foundTerm = searchRegex.exec(searchStringLine.slice(offset));
+        if (foundTerm && foundTerm[0].length > 0) {
+          resultIndex = offset + (searchRegex.lastIndex - foundTerm[0].length);
+          term = foundTerm[0];
+        }
+      }
+    } else {
+      if (isReverseSearch) {
+        if (offset - searchTerm.length >= 0) {
+          resultIndex = searchStringLine.lastIndexOf(searchTerm, offset - searchTerm.length);
+        }
+      } else {
+        resultIndex = searchStringLine.indexOf(searchTerm, offset);
+      }
+    }
+
+    if (resultIndex >= 0) {
+      if (searchOptions.wholeWord && !this._isWholeWord(resultIndex, searchStringLine, term)) {
+        return;
+      }
+
+      // Adjust the row number and search index if needed since a "line" of text can span multiple
+      // rows
+      let startRowOffset = 0;
+      while (startRowOffset < offsets.length - 1 && resultIndex >= offsets[startRowOffset + 1]) {
+        startRowOffset++;
+      }
+      let endRowOffset = startRowOffset;
+      while (endRowOffset < offsets.length - 1 && resultIndex + term.length >= offsets[endRowOffset + 1]) {
+        endRowOffset++;
+      }
+      const startColOffset = resultIndex - offsets[startRowOffset];
+      const endColOffset = resultIndex + term.length - offsets[endRowOffset];
+      const startColIndex = this._stringLengthToBufferSize(row + startRowOffset, startColOffset);
+      const endColIndex = this._stringLengthToBufferSize(row + endRowOffset, endColOffset);
+      const size = endColIndex - startColIndex + terminal.cols * (endRowOffset - startRowOffset);
+
+      return {
+        term,
+        col: startColIndex,
+        row: row + startRowOffset,
+        size
+      };
+    }
+  }
+
+  private _stringLengthToBufferSize(row: number, offset: number): number {
+    const line = this._terminal!.buffer.active.getLine(row);
+    if (!line) {
+      return 0;
+    }
+    for (let i = 0; i < offset; i++) {
+      const cell = line.getCell(i);
+      if (!cell) {
+        break;
+      }
+      // Adjust the searchIndex to normalize emoji into single chars
+      const char = cell.getChars();
+      if (char.length > 1) {
+        offset -= char.length - 1;
+      }
+      // Adjust the searchIndex for empty characters following wide unicode
+      // chars (eg. CJK)
+      const nextCell = line.getCell(i + 1);
+      if (nextCell && nextCell.getWidth() === 0) {
+        offset++;
+      }
+    }
+    return offset;
+  }
+
+  private _bufferColsToStringOffset(startRow: number, cols: number): number {
+    const terminal = this._terminal!;
+    let lineIndex = startRow;
+    let offset = 0;
+    let line = terminal.buffer.active.getLine(lineIndex);
+    while (cols > 0 && line) {
+      for (let i = 0; i < cols && i < terminal.cols; i++) {
+        const cell = line.getCell(i);
+        if (!cell) {
+          break;
+        }
+        if (cell.getWidth()) {
+          // Treat null characters as whitespace to align with the translateToString API
+          offset += cell.getCode() === 0 ? 1 : cell.getChars().length;
+        }
+      }
+      lineIndex++;
+      line = terminal.buffer.active.getLine(lineIndex);
+      if (line && !line.isWrapped) {
+        break;
+      }
+      cols -= terminal.cols;
+    }
+    return offset;
+  }
+
+  /**
+   * 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 lineIndex The index of the line being translated.
+   * @param trimRight Whether to trim whitespace to the right.
+   */
+  private _translateBufferLineToStringWithWrap(lineIndex: number, trimRight: boolean): LineCacheEntry {
+    const terminal = this._terminal!;
+    const strings = [];
+    const lineOffsets = [0];
+    let line = terminal.buffer.active.getLine(lineIndex);
+    while (line) {
+      const nextLine = terminal.buffer.active.getLine(lineIndex + 1);
+      const lineWrapsToNext = nextLine ? nextLine.isWrapped : false;
+      let string = line.translateToString(!lineWrapsToNext && trimRight);
+      if (lineWrapsToNext && nextLine) {
+        const lastCell = line.getCell(line.length - 1);
+        const lastCellIsNull = lastCell && lastCell.getCode() === 0 && lastCell.getWidth() === 1;
+        // a wide character wrapped to the next line
+        if (lastCellIsNull && nextLine.getCell(0)?.getWidth() === 2) {
+          string = string.slice(0, -1);
+        }
+      }
+      strings.push(string);
+      if (lineWrapsToNext) {
+        lineOffsets.push(lineOffsets[lineOffsets.length - 1] + string.length);
+      } else {
+        break;
+      }
+      lineIndex++;
+      line = nextLine;
+    }
+    return [strings.join(''), lineOffsets];
   }
 
   /**
@@ -209,33 +668,96 @@ export class SearchAddon extends Disposable implements ITerminalAddon, ISearchAp
    * @param result The result to select.
    * @returns Whether a result was selected.
    */
-  private _selectResult(result: ISearchResult | undefined, options?: any, noScroll?: boolean): boolean {
-    if (!this._terminal || !this._decorationManager) {
-      return false;
-    }
-
-    this._resultTracker.clearSelectedDecoration();
+  private _selectResult(result: ISearchResult | undefined, options?: ISearchDecorationOptions, noScroll?: boolean): boolean {
+    const terminal = this._terminal!;
+    this._selectedDecoration.clear();
     if (!result) {
-      this._terminal.clearSelection();
+      terminal.clearSelection();
       return false;
     }
-
-    this._terminal.select(result.col, result.row, result.size);
+    terminal.select(result.col, result.row, result.size);
     if (options) {
-      const activeDecoration = this._decorationManager.createActiveDecoration(result, options);
-      if (activeDecoration) {
-        this._resultTracker.selectedDecoration = activeDecoration;
+      const decorations = this._createResultDecorations(result, options, true);
+      if (decorations) {
+        this._selectedDecoration.value = { decorations, match: result, dispose() { dispose(decorations); } };
       }
     }
 
     if (!noScroll) {
       // If it is not in the viewport then we scroll else it just gets selected
-      if (result.row >= (this._terminal.buffer.active.viewportY + this._terminal.rows) || result.row < this._terminal.buffer.active.viewportY) {
-        let scroll = result.row - this._terminal.buffer.active.viewportY;
-        scroll -= Math.floor(this._terminal.rows / 2);
-        this._terminal.scrollLines(scroll);
+      if (result.row >= (terminal.buffer.active.viewportY + terminal.rows) || result.row < terminal.buffer.active.viewportY) {
+        let scroll = result.row - terminal.buffer.active.viewportY;
+        scroll -= Math.floor(terminal.rows / 2);
+        terminal.scrollLines(scroll);
       }
     }
     return true;
   }
+
+  /**
+   * Applies styles to the decoration when it is rendered.
+   * @param element The decoration's element.
+   * @param borderColor The border color to apply.
+   * @param isActiveResult Whether the element is part of the active search result.
+   * @returns
+   */
+  private _applyStyles(element: HTMLElement, borderColor: string | undefined, isActiveResult: boolean): void {
+    if (!element.classList.contains('xterm-find-result-decoration')) {
+      element.classList.add('xterm-find-result-decoration');
+      if (borderColor) {
+        element.style.outline = `1px solid ${borderColor}`;
+      }
+    }
+    if (isActiveResult) {
+      element.classList.add('xterm-find-active-result-decoration');
+    }
+  }
+
+  /**
+   * Creates a decoration for the result and applies styles
+   * @param result the search result for which to create the decoration
+   * @param options the options for the decoration
+   * @returns the {@link IDecoration} or undefined if the marker has already been disposed of
+   */
+  private _createResultDecorations(result: ISearchResult, options: ISearchDecorationOptions, isActiveResult: boolean): IDecoration[] | undefined {
+    const terminal = this._terminal!;
+
+    // Gather decoration ranges for this match as it could wrap
+    const decorationRanges: [number, number, number][] = [];
+    let currentCol = result.col;
+    let remainingSize = result.size;
+    let markerOffset = -terminal.buffer.active.baseY - terminal.buffer.active.cursorY + result.row;
+    while (remainingSize > 0) {
+      const amountThisRow = Math.min(terminal.cols - currentCol, remainingSize);
+      decorationRanges.push([markerOffset, currentCol, amountThisRow]);
+      currentCol = 0;
+      remainingSize -= amountThisRow;
+      markerOffset++;
+    }
+
+    // Create the decorations
+    const decorations: IDecoration[] = [];
+    for (const range of decorationRanges) {
+      const marker = terminal.registerMarker(range[0]);
+      const decoration = terminal.registerDecoration({
+        marker,
+        x: range[1],
+        width: range[2],
+        backgroundColor: isActiveResult ? options.activeMatchBackground : options.matchBackground,
+        overviewRulerOptions: this._highlightedLines.has(marker.line) ? undefined : {
+          color: isActiveResult ? options.activeMatchColorOverviewRuler : options.matchOverviewRuler,
+          position: 'center'
+        }
+      });
+      if (decoration) {
+        const disposables: IDisposable[] = [];
+        disposables.push(marker);
+        disposables.push(decoration.onRender((e) => this._applyStyles(e, isActiveResult ? options.activeMatchBorder : options.matchBorder, false)));
+        disposables.push(decoration.onDispose(() => dispose(disposables)));
+        decorations.push(decoration);
+      }
+    }
+
+    return decorations.length === 0 ? undefined : decorations;
+  }
 }

addons/addon-search/src/SearchEngine.test.ts

@@ -1,708 +0,0 @@
-/**
- * Copyright (c) 2024 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-import { assert } from 'chai';
-import { SearchEngine } from './SearchEngine';
-import { SearchLineCache } from './SearchLineCache';
-import { Terminal } from 'browser/public/Terminal';
-import type { ISearchOptions } from '@xterm/addon-search';
-import { DisposableStore } from 'vs/base/common/lifecycle';
-
-function writeP(terminal: Terminal, data: string): Promise<void> {
-  return new Promise(r => terminal.write(data, r));
-}
-
-describe('SearchEngine', () => {
-  let store: DisposableStore;
-  let terminal: Terminal;
-  let lineCache: SearchLineCache;
-  let searchEngine: SearchEngine;
-
-  beforeEach(() => {
-    store = new DisposableStore();
-    terminal = store.add(new Terminal({ cols: 80, rows: 24 }));
-    lineCache = store.add(new SearchLineCache(terminal));
-    searchEngine = new SearchEngine(terminal, lineCache);
-  });
-
-  afterEach(() => {
-    store.dispose();
-  });
-
-  describe('find', () => {
-    it('should return undefined for empty search term', async () => {
-      await writeP(terminal, 'Hello World');
-
-      assert.strictEqual(searchEngine.find('', 0, 0), undefined);
-    });
-
-    it('should find basic text in terminal content', async () => {
-      await writeP(terminal, 'Hello World');
-
-      assert.deepStrictEqual(searchEngine.find('World', 0, 0), {
-        term: 'World',
-        col: 6,
-        row: 0,
-        size: 5
-      });
-    });
-
-    it('should find text starting from specified position', async () => {
-      await writeP(terminal, 'Hello Hello Hello');
-
-      assert.deepStrictEqual(searchEngine.find('Hello', 0, 7), {
-        term: 'Hello',
-        col: 12,
-        row: 0,
-        size: 5
-      });
-    });
-
-    it('should search across multiple rows', async () => {
-      await writeP(terminal, 'Line 1\r\nLine 2 target\r\nLine 3');
-
-      assert.deepStrictEqual(searchEngine.find('target', 0, 0), {
-        term: 'target',
-        col: 7,
-        row: 1,
-        size: 6
-      });
-    });
-
-    it('should return undefined when text is not found', async () => {
-      await writeP(terminal, 'Hello World');
-
-      assert.strictEqual(searchEngine.find('NotFound', 0, 0), undefined);
-    });
-
-    it('should throw error for invalid column position', async () => {
-      await writeP(terminal, 'Hello World');
-
-      assert.throws(() => {
-        searchEngine.find('Hello', 0, 100);
-      }, /Invalid col: 100 to search in terminal of 80 cols/);
-    });
-
-    it('should handle search starting from last column', async () => {
-      await writeP(terminal, 'Hello World');
-
-      assert.strictEqual(searchEngine.find('Hello', 0, 79), undefined);
-    });
-
-    it('should handle search from middle of match', async () => {
-      await writeP(terminal, 'Hello World');
-
-      assert.strictEqual(searchEngine.find('llo', 0, 3), undefined); // Should not find partial match that starts before search position
-    });
-  });
-
-  describe('search options', () => {
-    describe('caseSensitive', () => {
-      it('should find text with case-insensitive search (default)', async () => {
-        await writeP(terminal, 'Hello WORLD');
-
-        assert.deepStrictEqual(searchEngine.find('world', 0, 0), {
-          term: 'world',
-          col: 6,
-          row: 0,
-          size: 5
-        });
-      });
-
-      it('should find text with case-sensitive search when enabled', async () => {
-        await writeP(terminal, 'Hello WORLD');
-
-        assert.deepStrictEqual(searchEngine.find('WORLD', 0, 0, { caseSensitive: true }), {
-          term: 'WORLD',
-          col: 6,
-          row: 0,
-          size: 5
-        });
-      });
-
-      it('should not find text with case-sensitive search when case differs', async () => {
-        await writeP(terminal, 'Hello WORLD');
-
-        assert.strictEqual(searchEngine.find('world', 0, 0, { caseSensitive: true }), undefined);
-      });
-    });
-
-    describe('wholeWord', () => {
-      it('should find whole word when enabled', async () => {
-        await writeP(terminal, 'Hello world wonderful');
-
-        assert.deepStrictEqual(searchEngine.find('world', 0, 0, { wholeWord: true }), {
-          term: 'world',
-          col: 6,
-          row: 0,
-          size: 5
-        });
-      });
-
-      it('should not find partial word when wholeWord is enabled', async () => {
-        await writeP(terminal, 'Hello wonderful');
-
-        assert.strictEqual(searchEngine.find('world', 0, 0, { wholeWord: true }), undefined);
-      });
-
-      it('should find word at beginning of line with wholeWord', async () => {
-        await writeP(terminal, 'world is great');
-
-        assert.deepStrictEqual(searchEngine.find('world', 0, 0, { wholeWord: true }), {
-          term: 'world',
-          col: 0,
-          row: 0,
-          size: 5
-        });
-      });
-
-      it('should find word at end of line with wholeWord', async () => {
-        await writeP(terminal, 'hello world');
-
-        assert.deepStrictEqual(searchEngine.find('world', 0, 0, { wholeWord: true }), {
-          term: 'world',
-          col: 6,
-          row: 0,
-          size: 5
-        });
-      });
-
-      it('should handle word boundaries with punctuation', async () => {
-        await writeP(terminal, 'hello,world!test');
-
-        assert.deepStrictEqual(searchEngine.find('world', 0, 0, { wholeWord: true }), {
-          term: 'world',
-          col: 6,
-          row: 0,
-          size: 5
-        });
-      });
-
-      it('should not match when not whole word', async () => {
-        await writeP(terminal, 'helloworld');
-
-        assert.strictEqual(searchEngine.find('world', 0, 0, { wholeWord: true }), undefined);
-      });
-    });
-
-    describe('regex', () => {
-      it('should find text using simple regex pattern', async () => {
-        await writeP(terminal, 'Hello 123 World');
-
-        assert.deepStrictEqual(searchEngine.find('[0-9]+', 0, 0, { regex: true }), {
-          term: '123',
-          col: 6,
-          row: 0,
-          size: 3
-        });
-      });
-
-      it('should find text using regex with case-insensitive flag', async () => {
-        await writeP(terminal, 'Hello WORLD');
-
-        assert.deepStrictEqual(searchEngine.find('world', 0, 0, { regex: true, caseSensitive: false }), {
-          term: 'WORLD',
-          col: 6,
-          row: 0,
-          size: 5
-        });
-      });
-
-      it('should find text using regex with case-sensitive flag', async () => {
-        await writeP(terminal, 'Hello WORLD world');
-
-        assert.deepStrictEqual(searchEngine.find('WORLD', 0, 0, { regex: true, caseSensitive: true }), {
-          term: 'WORLD',
-          col: 6,
-          row: 0,
-          size: 5
-        });
-      });
-
-      it('should handle complex regex patterns', async () => {
-        await writeP(terminal, 'Email: test@example.com and another@domain.org');
-
-        assert.deepStrictEqual(searchEngine.find('[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,}', 0, 0, { regex: true }), {
-          term: 'test@example.com',
-          col: 7,
-          row: 0,
-          size: 16
-        });
-      });
-
-      it('should return undefined for invalid regex pattern', async () => {
-        await writeP(terminal, 'Hello World');
-
-        // Invalid regex should be handled gracefully
-        assert.throws(() => {
-          searchEngine.find('[invalid', 0, 0, { regex: true });
-        }, /Invalid regular expression/);
-      });
-
-      it('should handle empty regex matches', async () => {
-        await writeP(terminal, 'Hello World');
-
-        assert.strictEqual(searchEngine.find('.*?', 0, 0, { regex: true }), undefined); // Empty matches should be ignored
-      });
-    });
-
-    describe('combined options', () => {
-      it('should handle regex + caseSensitive combination', async () => {
-        await writeP(terminal, 'Hello WORLD world');
-
-        assert.deepStrictEqual(searchEngine.find('[A-Z]+', 0, 0, { regex: true, caseSensitive: true }), {
-          term: 'H',
-          col: 0,
-          row: 0,
-          size: 1
-        });
-      });
-
-      it('should handle wholeWord + caseSensitive combination', async () => {
-        await writeP(terminal, 'Hello WORLD wonderful');
-
-        const result1 = searchEngine.find('WORLD', 0, 0, { wholeWord: true, caseSensitive: true });
-        assert.deepStrictEqual(result1, {
-          term: 'WORLD',
-          col: 6,
-          row: 0,
-          size: 5
-        });
-
-        const result2 = searchEngine.find('world', 0, 0, { wholeWord: true, caseSensitive: true });
-        assert.strictEqual(result2, undefined);
-      });
-    });
-  });
-
-  describe('findNextWithSelection', () => {
-    it('should return undefined for empty search term', async () => {
-      await writeP(terminal, 'Hello World');
-
-      assert.strictEqual(searchEngine.findNextWithSelection(''), undefined);
-    });
-
-    it('should find first occurrence when no selection exists', async () => {
-      await writeP(terminal, 'Hello World Hello');
-
-      assert.deepStrictEqual(searchEngine.findNextWithSelection('Hello'), {
-        term: 'Hello',
-        col: 0,
-        row: 0,
-        size: 5
-      });
-    });
-
-    it('should find next occurrence after current selection', async () => {
-      await writeP(terminal, 'Hello World Hello Again');
-
-      // Mock the getSelectionPosition to return a selection at first "Hello"
-      terminal.getSelectionPosition = () => ({ start: { x: 0, y: 0 }, end: { x: 5, y: 0 } });
-
-      assert.deepStrictEqual(searchEngine.findNextWithSelection('Hello', undefined, 'Hello'), {
-        term: 'Hello',
-        col: 12,
-        row: 0,
-        size: 5
-      });
-    });
-
-    it('should wrap around to beginning when reaching end', async () => {
-      await writeP(terminal, 'Hello World Hello');
-
-      // Mock selection at the end
-      terminal.getSelectionPosition = () => ({ start: { x: 12, y: 0 }, end: { x: 17, y: 0 } });
-
-      assert.deepStrictEqual(searchEngine.findNextWithSelection('Hello', undefined, 'Hello'), {
-        term: 'Hello',
-        col: 0,
-        row: 0,
-        size: 5
-      }); // Should wrap to first occurrence
-    });
-
-    it('should wrap across multiple rows', async () => {
-      await writeP(terminal, 'Line 1 test\r\nLine 2\r\nLine 3 test');
-
-      // Mock selection at first "test"
-      terminal.getSelectionPosition = () => ({ start: { x: 7, y: 0 }, end: { x: 11, y: 0 } });
-
-      assert.deepStrictEqual(searchEngine.findNextWithSelection('test', undefined, 'test'), {
-        term: 'test',
-        col: 7,
-        row: 2,
-        size: 4
-      });
-    });
-
-    it('should return same selection if only one match exists', async () => {
-      await writeP(terminal, 'Hello World');
-
-      // Mock selection at "Hello"
-      terminal.getSelectionPosition = () => ({ start: { x: 0, y: 0 }, end: { x: 5, y: 0 } });
-
-      assert.deepStrictEqual(searchEngine.findNextWithSelection('Hello'), {
-        term: 'Hello',
-        col: 0,
-        row: 0,
-        size: 5
-      });
-    });
-
-    it('should clear selection and return undefined when term not found', async () => {
-      await writeP(terminal, 'Hello World');
-
-      assert.strictEqual(searchEngine.findNextWithSelection('NotFound'), undefined);
-    });
-  });
-
-  describe('findPreviousWithSelection', () => {
-    it('should return undefined for empty search term', async () => {
-      await writeP(terminal, 'Hello World');
-
-      assert.strictEqual(searchEngine.findPreviousWithSelection(''), undefined);
-    });
-
-    it('should find last occurrence when no selection exists', async () => {
-      await writeP(terminal, 'Hello World Hello');
-
-      assert.deepStrictEqual(searchEngine.findPreviousWithSelection('Hello'), {
-        term: 'Hello',
-        col: 12,
-        row: 0,
-        size: 5
-      });
-    });
-
-    it('should find previous occurrence before current selection', async () => {
-      await writeP(terminal, 'Hello World Hello Again');
-
-      // Mock selection at second "Hello"
-      terminal.getSelectionPosition = () => ({ start: { x: 12, y: 0 }, end: { x: 17, y: 0 } });
-
-      const result = searchEngine.findPreviousWithSelection('Hello');
-      assert.notStrictEqual(result, undefined);
-      // It may find the same selection first due to expansion attempt
-      assert.strictEqual(typeof result!.col, 'number');
-      assert.strictEqual(result!.row, 0);
-    });
-
-    it('should wrap around to end when reaching beginning', async () => {
-      await writeP(terminal, 'Hello World Hello');
-
-      // Mock selection at first "Hello"
-      terminal.getSelectionPosition = () => ({ start: { x: 0, y: 0 }, end: { x: 5, y: 0 } });
-
-      const result = searchEngine.findPreviousWithSelection('Hello');
-      assert.notStrictEqual(result, undefined);
-      // Due to the expansion attempt, it may find the same Hello first
-      assert.strictEqual(typeof result!.col, 'number');
-      assert.strictEqual(result!.row, 0);
-    });
-
-    it('should work across multiple rows in reverse', async () => {
-      await writeP(terminal, 'test Line 1\r\nLine 2\r\ntest Line 3');
-
-      // Mock selection at last "test"
-      terminal.getSelectionPosition = () => ({ start: { x: 0, y: 2 }, end: { x: 4, y: 2 } });
-
-      const result = searchEngine.findPreviousWithSelection('test');
-      assert.notStrictEqual(result, undefined);
-      // The algorithm will find the current selection first due to expansion attempt
-      assert.strictEqual(typeof result!.row, 'number');
-      assert.strictEqual(typeof result!.col, 'number');
-    });
-
-    it('should handle selection expansion correctly', async () => {
-      await writeP(terminal, 'Hello World Hello');
-
-      // Mock selection at first "Hello"
-      terminal.getSelectionPosition = () => ({ start: { x: 0, y: 0 }, end: { x: 5, y: 0 } });
-
-      const result = searchEngine.findPreviousWithSelection('Hello');
-      assert.notStrictEqual(result, undefined);
-      // The algorithm tries expansion first, so it may find the same Hello
-      assert.strictEqual(typeof result!.col, 'number');
-      assert.strictEqual(result!.row, 0);
-    });
-
-    it('should clear selection and return undefined when term not found', async () => {
-      await writeP(terminal, 'Hello World');
-
-      assert.strictEqual(searchEngine.findPreviousWithSelection('NotFound'), undefined);
-    });
-  });
-
-  describe('edge cases and error handling', () => {
-    describe('unicode and special characters', () => {
-      it('should handle unicode characters correctly', async () => {
-        await writeP(terminal, 'Hello 世界 World');
-
-        assert.deepStrictEqual(searchEngine.find('世界', 0, 0), {
-          term: '世界',
-          col: 6,
-          row: 0,
-          size: 4
-        });
-      });
-
-
-
-      it('should handle wide characters', async () => {
-        await writeP(terminal, '中文测试');
-
-        assert.deepStrictEqual(searchEngine.find('测试', 0, 0), {
-          term: '测试',
-          col: 4,
-          row: 0,
-          size: 4
-        });
-      });
-
-
-    });
-
-    describe('wrapped lines', () => {
-      it('should handle search across wrapped lines', async () => {
-        const longText = 'A'.repeat(100) + 'target' + 'B'.repeat(50);
-        await writeP(terminal, longText);
-
-        assert.deepStrictEqual(searchEngine.find('target', 0, 0), {
-          term: 'target',
-          col: 20,
-          row: 1,
-          size: 6
-        });
-      });
-
-      it('should handle wrapped lines with unicode', async () => {
-        const longText = '中'.repeat(50) + 'target' + '文'.repeat(30);
-        await writeP(terminal, longText);
-
-        assert.deepStrictEqual(searchEngine.find('target', 0, 0), {
-          term: 'target',
-          col: 20,
-          row: 1,
-          size: 6
-        });
-      });
-
-      it('should skip wrapped lines correctly in findInLine', async () => {
-        const longText = 'A'.repeat(200);
-        await writeP(terminal, longText + '\r\nNext line with target');
-
-        assert.deepStrictEqual(searchEngine.find('target', 0, 0), {
-          term: 'target',
-          col: 15,
-          row: 3,
-          size: 6
-        });
-      });
-    });
-
-    describe('buffer boundaries', () => {
-
-
-      it('should handle empty buffer gracefully', () => {
-        assert.strictEqual(searchEngine.find('anything', 0, 0), undefined);
-      });
-
-      it('should handle search beyond buffer size', () => {
-        assert.strictEqual(searchEngine.find('test', 1000, 0), undefined);
-      });
-    });
-
-    describe('invalid inputs', () => {
-      it('should handle undefined search options gracefully', async () => {
-        await writeP(terminal, 'Hello World');
-
-        assert.deepStrictEqual(searchEngine.find('Hello', 0, 0, undefined), {
-          term: 'Hello',
-          col: 0,
-          row: 0,
-          size: 5
-        });
-      });
-
-      it('should handle negative start positions', async () => {
-        await writeP(terminal, 'Hello World');
-
-        assert.deepStrictEqual(searchEngine.find('Hello', -1, -1), {
-          term: 'Hello',
-          col: 0,
-          row: 0,
-          size: 5
-        });
-      });
-
-      it('should handle search options with undefined properties', async () => {
-        await writeP(terminal, 'Hello World');
-
-        const options: ISearchOptions = {
-          caseSensitive: undefined,
-          regex: undefined,
-          wholeWord: undefined
-        };
-
-        assert.deepStrictEqual(searchEngine.find('Hello', 0, 0, options), {
-          term: 'Hello',
-          col: 0,
-          row: 0,
-          size: 5
-        });
-      });
-    });
-  });
-
-  describe('private method behaviors (tested indirectly)', () => {
-    describe('_isWholeWord behavior', () => {
-      it('should recognize word boundaries with various punctuation', async () => {
-        await writeP(terminal, 'word1 word2,word3(word4)word5[word6]word7{word8}');
-
-        const tests = [
-          { term: 'word1', expected: true },
-          { term: 'word2', expected: true },
-          { term: 'word3', expected: true },
-          { term: 'word4', expected: true },
-          { term: 'word5', expected: true },
-          { term: 'word6', expected: true },
-          { term: 'word7', expected: true },
-          { term: 'word8', expected: true }
-        ];
-
-        for (const test of tests) {
-          const result = searchEngine.find(test.term, 0, 0, { wholeWord: true });
-          if (test.expected) {
-            assert.notStrictEqual(result, undefined, `Should find whole word: ${test.term}`);
-          } else {
-            assert.strictEqual(result, undefined, `Should not find non-whole word: ${test.term}`);
-          }
-        }
-      });
-
-      it('should handle word boundaries at line start and end', async () => {
-        await writeP(terminal, 'start middle end');
-
-        const startResult = searchEngine.find('start', 0, 0, { wholeWord: true });
-        assert.deepStrictEqual(startResult, {
-          term: 'start',
-          col: 0,
-          row: 0,
-          size: 5
-        });
-
-        const endResult = searchEngine.find('end', 0, 0, { wholeWord: true });
-        assert.deepStrictEqual(endResult, {
-          term: 'end',
-          col: 13,
-          row: 0,
-          size: 3
-        });
-
-        const middleResult = searchEngine.find('middle', 0, 0, { wholeWord: true });
-        assert.deepStrictEqual(middleResult, {
-          term: 'middle',
-          col: 6,
-          row: 0,
-          size: 6
-        });
-      });
-    });
-
-    describe('buffer offset calculations', () => {
-      it('should handle wide character offset calculations', async () => {
-        await writeP(terminal, '中文 test 测试');
-
-        const result = searchEngine.find('test', 0, 0);
-        assert.notStrictEqual(result, undefined);
-        assert.strictEqual(result!.term, 'test');
-        // Exact column position depends on wide character handling
-        assert.strictEqual(typeof result!.col, 'number');
-      });
-
-
-
-
-    });
-
-    describe('string to buffer size conversions', () => {
-      it('should correctly calculate size for simple text', async () => {
-        await writeP(terminal, 'Hello World');
-
-        assert.deepStrictEqual(searchEngine.find('World', 0, 0), {
-          term: 'World',
-          col: 6,
-          row: 0,
-          size: 5
-        });
-      });
-
-      it('should correctly calculate size for unicode text', async () => {
-        await writeP(terminal, 'Hello 世界');
-
-        const result = searchEngine.find('世界', 0, 0);
-        assert.notStrictEqual(result, undefined);
-        // Size should account for wide characters
-        assert.strictEqual(typeof result!.size, 'number');
-        assert.strictEqual(result!.size >= 2, true);
-      });
-
-      it('should handle size calculation across wrapped lines', async () => {
-        const longMatch = 'A'.repeat(100);
-        await writeP(terminal, longMatch);
-
-        const result = searchEngine.find(longMatch, 0, 0);
-        assert.notStrictEqual(result, undefined);
-        assert.strictEqual(result!.size >= 100, true);
-      });
-    });
-  });
-
-  describe('integration with SearchLineCache', () => {
-    it('should use cache for line translation', async () => {
-      await writeP(terminal, 'Hello World');
-
-      // Initialize cache
-      lineCache.initLinesCache();
-
-      const result1 = searchEngine.find('World', 0, 0);
-      const result2 = searchEngine.find('World', 0, 0);
-
-      assert.notStrictEqual(result1, undefined);
-      assert.notStrictEqual(result2, undefined);
-      assert.deepStrictEqual(result1, result2);
-    });
-
-    it('should handle cache misses gracefully', async () => {
-      await writeP(terminal, 'Hello World');
-
-      // Don't initialize cache
-      assert.deepStrictEqual(searchEngine.find('World', 0, 0), {
-        term: 'World',
-        col: 6,
-        row: 0,
-        size: 5
-      });
-    });
-
-    it('should work correctly with cache invalidation', async () => {
-      await writeP(terminal, 'Initial text');
-      lineCache.initLinesCache();
-
-      const result1 = searchEngine.find('Initial', 0, 0);
-      assert.notStrictEqual(result1, undefined);
-
-      // Change terminal content which should invalidate cache
-      await writeP(terminal, '\r\nNew line');
-
-      const result2 = searchEngine.find('New', 0, 0);
-      assert.deepStrictEqual(result2, {
-        term: 'New',
-        col: 0,
-        row: 1,
-        size: 3
-      });
-    });
-  });
-});

addons/addon-search/src/SearchEngine.ts

@@ -1,394 +0,0 @@
-/**
- * Copyright (c) 2017 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-
-import type { Terminal } from '@xterm/xterm';
-import type { ISearchOptions } from '@xterm/addon-search';
-import type { SearchLineCache } from './SearchLineCache';
-
-/**
- * Represents the position to start a search from.
- */
-interface ISearchPosition {
-  startCol: number;
-  startRow: number;
-}
-
-/**
- * Represents a search result with its position and content.
- */
-export interface ISearchResult {
-  term: string;
-  col: number;
-  row: number;
-  size: number;
-}
-
-/**
- * Configuration constants for the search engine functionality.
- */
-const enum Constants {
-  /**
-   * Characters that are considered non-word characters for search boundary detection. These
-   * characters are used to determine word boundaries when performing whole-word searches. Includes
-   * common punctuation, symbols, and whitespace characters.
-   */
-  NON_WORD_CHARACTERS = ' ~!@#$%^&*()+`-=[]{}|\\;:"\',./<>?'
-}
-
-/**
- * Core search engine that handles finding text within terminal content.
- * This class is responsible for the actual search algorithms and position calculations.
- */
-export class SearchEngine {
-  constructor(
-    private readonly _terminal: Terminal,
-    private readonly _lineCache: SearchLineCache
-  ) {}
-
-  /**
-   * Find the first occurrence of a term starting from a specific position.
-   * @param term The search term.
-   * @param startRow The row to start searching from.
-   * @param startCol The column to start searching from.
-   * @param searchOptions Search options.
-   * @returns The search result if found, undefined otherwise.
-   */
-  public find(term: string, startRow: number, startCol: number, searchOptions?: ISearchOptions): ISearchResult | undefined {
-    if (!term || term.length === 0) {
-      this._terminal.clearSelection();
-      return undefined;
-    }
-    if (startCol > this._terminal.cols) {
-      throw new Error(`Invalid col: ${startCol} to search in terminal of ${this._terminal.cols} cols`);
-    }
-
-    this._lineCache.initLinesCache();
-
-    const searchPosition: ISearchPosition = {
-      startRow,
-      startCol
-    };
-
-    // Search startRow
-    let result = this._findInLine(term, searchPosition, searchOptions);
-    // Search from startRow + 1 to end
-    if (!result) {
-      for (let y = startRow + 1; y < this._terminal.buffer.active.baseY + this._terminal.rows; y++) {
-        searchPosition.startRow = y;
-        searchPosition.startCol = 0;
-        result = this._findInLine(term, searchPosition, searchOptions);
-        if (result) {
-          break;
-        }
-      }
-    }
-    return result;
-  }
-
-  /**
-   * Find the next occurrence of a term with wrapping and selection management.
-   * @param term The search term.
-   * @param searchOptions Search options.
-   * @param cachedSearchTerm The cached search term to determine incremental behavior.
-   * @returns The search result if found, undefined otherwise.
-   */
-  public findNextWithSelection(term: string, searchOptions?: ISearchOptions, cachedSearchTerm?: string): ISearchResult | undefined {
-    if (!term || term.length === 0) {
-      this._terminal.clearSelection();
-      return undefined;
-    }
-
-    const prevSelectedPos = this._terminal.getSelectionPosition();
-    this._terminal.clearSelection();
-
-    let startCol = 0;
-    let startRow = 0;
-    if (prevSelectedPos) {
-      if (cachedSearchTerm === term) {
-        startCol = prevSelectedPos.end.x;
-        startRow = prevSelectedPos.end.y;
-      } else {
-        startCol = prevSelectedPos.start.x;
-        startRow = prevSelectedPos.start.y;
-      }
-    }
-
-    this._lineCache.initLinesCache();
-
-    const searchPosition: ISearchPosition = {
-      startRow,
-      startCol
-    };
-
-    // Search startRow
-    let result = this._findInLine(term, searchPosition, searchOptions);
-    // Search from startRow + 1 to end
-    if (!result) {
-      for (let y = startRow + 1; y < this._terminal.buffer.active.baseY + this._terminal.rows; y++) {
-        searchPosition.startRow = y;
-        searchPosition.startCol = 0;
-        result = this._findInLine(term, searchPosition, searchOptions);
-        if (result) {
-          break;
-        }
-      }
-    }
-    // If we hit the bottom and didn't search from the very top wrap back up
-    if (!result && startRow !== 0) {
-      for (let y = 0; y < startRow; y++) {
-        searchPosition.startRow = y;
-        searchPosition.startCol = 0;
-        result = this._findInLine(term, searchPosition, searchOptions);
-        if (result) {
-          break;
-        }
-      }
-    }
-
-    // If there is only one result, wrap back and return selection if it exists.
-    if (!result && prevSelectedPos) {
-      searchPosition.startRow = prevSelectedPos.start.y;
-      searchPosition.startCol = 0;
-      result = this._findInLine(term, searchPosition, searchOptions);
-    }
-
-    return result;
-  }
-
-  /**
-   * Find the previous occurrence of a term with wrapping and selection management.
-   * @param term The search term.
-   * @param searchOptions Search options.
-   * @param cachedSearchTerm The cached search term to determine if expansion should occur.
-   * @returns The search result if found, undefined otherwise.
-   */
-  public findPreviousWithSelection(term: string, searchOptions?: ISearchOptions, cachedSearchTerm?: string): ISearchResult | undefined {
-    if (!term || term.length === 0) {
-      this._terminal.clearSelection();
-      return undefined;
-    }
-
-    const prevSelectedPos = this._terminal.getSelectionPosition();
-    this._terminal.clearSelection();
-
-    let startRow = this._terminal.buffer.active.baseY + this._terminal.rows - 1;
-    let startCol = this._terminal.cols;
-    const isReverseSearch = true;
-
-    this._lineCache.initLinesCache();
-    const searchPosition: ISearchPosition = {
-      startRow,
-      startCol
-    };
-
-    let result: ISearchResult | undefined;
-    if (prevSelectedPos) {
-      searchPosition.startRow = startRow = prevSelectedPos.start.y;
-      searchPosition.startCol = startCol = prevSelectedPos.start.x;
-      if (cachedSearchTerm !== term) {
-        // Try to expand selection to right first.
-        result = this._findInLine(term, searchPosition, searchOptions, false);
-        if (!result) {
-          // If selection was not able to be expanded to the right, then try reverse search
-          searchPosition.startRow = startRow = prevSelectedPos.end.y;
-          searchPosition.startCol = startCol = prevSelectedPos.end.x;
-        }
-      }
-    }
-
-    if (!result) {
-      result = this._findInLine(term, searchPosition, searchOptions, isReverseSearch);
-    }
-
-    // Search from startRow - 1 to top
-    if (!result) {
-      searchPosition.startCol = Math.max(searchPosition.startCol, this._terminal.cols);
-      for (let y = startRow - 1; y >= 0; y--) {
-        searchPosition.startRow = y;
-        result = this._findInLine(term, searchPosition, searchOptions, isReverseSearch);
-        if (result) {
-          break;
-        }
-      }
-    }
-    // If we hit the top and didn't search from the very bottom wrap back down
-    if (!result && startRow !== (this._terminal.buffer.active.baseY + this._terminal.rows - 1)) {
-      for (let y = (this._terminal.buffer.active.baseY + this._terminal.rows - 1); y >= startRow; y--) {
-        searchPosition.startRow = y;
-        result = this._findInLine(term, searchPosition, searchOptions, isReverseSearch);
-        if (result) {
-          break;
-        }
-      }
-    }
-
-    return result;
-  }
-
-  /**
-   * A found substring is a whole word if it doesn't have an alphanumeric character directly
-   * adjacent to it.
-   * @param searchIndex starting index 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) || (Constants.NON_WORD_CHARACTERS.includes(line[searchIndex - 1]))) &&
-      (((searchIndex + term.length) === line.length) || (Constants.NON_WORD_CHARACTERS.includes(line[searchIndex + term.length])));
-  }
-
-  /**
-   * 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 searchPosition The position to start the search.
-   * @param searchOptions Search options.
-   * @param isReverseSearch Whether the search should start from the right side of the terminal and
-   * search to the left.
-   * @returns The search result if it was found.
-   */
-  private _findInLine(term: string, searchPosition: ISearchPosition, searchOptions: ISearchOptions = {}, isReverseSearch: boolean = false): ISearchResult | undefined {
-    const row = searchPosition.startRow;
-    const col = searchPosition.startCol;
-
-    // Ignore wrapped lines, only consider on unwrapped line (first row of command string).
-    const firstLine = this._terminal.buffer.active.getLine(row);
-    if (firstLine?.isWrapped) {
-      if (isReverseSearch) {
-        searchPosition.startCol += this._terminal.cols;
-        return;
-      }
-
-      // This will iterate until we find the line start.
-      // When we find it, we will search using the calculated start column.
-      searchPosition.startRow--;
-      searchPosition.startCol += this._terminal.cols;
-      return this._findInLine(term, searchPosition, searchOptions);
-    }
-    let cache = this._lineCache.getLineFromCache(row);
-    if (!cache) {
-      cache = this._lineCache.translateBufferLineToStringWithWrap(row, true);
-      this._lineCache.setLineInCache(row, cache);
-    }
-    const [stringLine, offsets] = cache;
-
-    const offset = this._bufferColsToStringOffset(row, col);
-    let searchTerm = term;
-    let searchStringLine = stringLine;
-    if (!searchOptions.regex) {
-      searchTerm = searchOptions.caseSensitive ? term : term.toLowerCase();
-      searchStringLine = searchOptions.caseSensitive ? stringLine : stringLine.toLowerCase();
-    }
-
-    let resultIndex = -1;
-    if (searchOptions.regex) {
-      const searchRegex = RegExp(searchTerm, searchOptions.caseSensitive ? 'g' : 'gi');
-      let foundTerm: RegExpExecArray | null;
-      if (isReverseSearch) {
-        // This loop will get the resultIndex of the _last_ regex match in the range 0..offset
-        while (foundTerm = searchRegex.exec(searchStringLine.slice(0, offset))) {
-          resultIndex = searchRegex.lastIndex - foundTerm[0].length;
-          term = foundTerm[0];
-          searchRegex.lastIndex -= (term.length - 1);
-        }
-      } else {
-        foundTerm = searchRegex.exec(searchStringLine.slice(offset));
-        if (foundTerm && foundTerm[0].length > 0) {
-          resultIndex = offset + (searchRegex.lastIndex - foundTerm[0].length);
-          term = foundTerm[0];
-        }
-      }
-    } else {
-      if (isReverseSearch) {
-        if (offset - searchTerm.length >= 0) {
-          resultIndex = searchStringLine.lastIndexOf(searchTerm, offset - searchTerm.length);
-        }
-      } else {
-        resultIndex = searchStringLine.indexOf(searchTerm, offset);
-      }
-    }
-
-    if (resultIndex >= 0) {
-      if (searchOptions.wholeWord && !this._isWholeWord(resultIndex, searchStringLine, term)) {
-        return;
-      }
-
-      // Adjust the row number and search index if needed since a "line" of text can span multiple
-      // rows
-      let startRowOffset = 0;
-      while (startRowOffset < offsets.length - 1 && resultIndex >= offsets[startRowOffset + 1]) {
-        startRowOffset++;
-      }
-      let endRowOffset = startRowOffset;
-      while (endRowOffset < offsets.length - 1 && resultIndex + term.length >= offsets[endRowOffset + 1]) {
-        endRowOffset++;
-      }
-      const startColOffset = resultIndex - offsets[startRowOffset];
-      const endColOffset = resultIndex + term.length - offsets[endRowOffset];
-      const startColIndex = this._stringLengthToBufferSize(row + startRowOffset, startColOffset);
-      const endColIndex = this._stringLengthToBufferSize(row + endRowOffset, endColOffset);
-      const size = endColIndex - startColIndex + this._terminal.cols * (endRowOffset - startRowOffset);
-
-      return {
-        term,
-        col: startColIndex,
-        row: row + startRowOffset,
-        size
-      };
-    }
-  }
-
-  private _stringLengthToBufferSize(row: number, offset: number): number {
-    const line = this._terminal.buffer.active.getLine(row);
-    if (!line) {
-      return 0;
-    }
-    for (let i = 0; i < offset; i++) {
-      const cell = line.getCell(i);
-      if (!cell) {
-        break;
-      }
-      // Adjust the searchIndex to normalize emoji into single chars
-      const char = cell.getChars();
-      if (char.length > 1) {
-        offset -= char.length - 1;
-      }
-      // Adjust the searchIndex for empty characters following wide unicode
-      // chars (eg. CJK)
-      const nextCell = line.getCell(i + 1);
-      if (nextCell && nextCell.getWidth() === 0) {
-        offset++;
-      }
-    }
-    return offset;
-  }
-
-  private _bufferColsToStringOffset(startRow: number, cols: number): number {
-    let lineIndex = startRow;
-    let offset = 0;
-    let line = this._terminal.buffer.active.getLine(lineIndex);
-    while (cols > 0 && line) {
-      for (let i = 0; i < cols && i < this._terminal.cols; i++) {
-        const cell = line.getCell(i);
-        if (!cell) {
-          break;
-        }
-        if (cell.getWidth()) {
-          // Treat null characters as whitespace to align with the translateToString API
-          offset += cell.getCode() === 0 ? 1 : cell.getChars().length;
-        }
-      }
-      lineIndex++;
-      line = this._terminal.buffer.active.getLine(lineIndex);
-      if (line && !line.isWrapped) {
-        break;
-      }
-      cols -= this._terminal.cols;
-    }
-    return offset;
-  }
-}

addons/addon-search/src/SearchLineCache.test.ts

@@ -1,287 +0,0 @@
-/**
- * Copyright (c) 2024 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-import { assert } from 'chai';
-import { SearchLineCache, LineCacheEntry } from './SearchLineCache';
-import { Terminal } from 'browser/public/Terminal';
-import { timeout } from 'vs/base/common/async';
-
-function writeP(terminal: Terminal, data: string): Promise<void> {
-  return new Promise(r => terminal.write(data, r));
-}
-
-describe('SearchLineCache', () => {
-  let terminal: Terminal;
-  let cache: SearchLineCache;
-
-  beforeEach(() => {
-    terminal = new Terminal({ cols: 80, rows: 24 });
-    cache = new SearchLineCache(terminal);
-  });
-
-  afterEach(() => {
-    cache.dispose();
-    terminal.dispose();
-  });
-
-  describe('constructor', () => {
-    it('should create a SearchLineCache instance', () => {
-      assert.instanceOf(cache, SearchLineCache);
-    });
-
-    it('should start with no cache initialized', () => {
-      assert.equal(cache.getLineFromCache(0), undefined);
-    });
-  });
-
-  describe('initLinesCache', () => {
-    it('should initialize the lines cache array', () => {
-      cache.initLinesCache();
-      assert.equal(cache.getLineFromCache(0), undefined, 'cache should be initialized but empty');
-    });
-
-    it('should not reinitialize if cache already exists', () => {
-      cache.initLinesCache();
-      cache.setLineInCache(0, ['test', [0]]);
-
-      cache.initLinesCache();
-
-      const entry = cache.getLineFromCache(0);
-      assert.deepEqual(entry, ['test', [0]], 'cache should still contain the previously set entry');
-    });
-
-    it('should set up TTL timeout', () => {
-      cache.initLinesCache();
-      cache.setLineInCache(0, ['test', [0]]);
-
-      assert.deepEqual(cache.getLineFromCache(0), ['test', [0]], 'entry should exist after initialization');
-    });
-  });
-
-  describe('getLineFromCache', () => {
-    it('should return undefined when cache is not initialized', () => {
-      assert.equal(cache.getLineFromCache(0), undefined);
-      assert.equal(cache.getLineFromCache(10), undefined);
-    });
-
-    it('should return undefined for unset entries when cache is initialized', () => {
-      cache.initLinesCache();
-      assert.equal(cache.getLineFromCache(0), undefined);
-      assert.equal(cache.getLineFromCache(50), undefined);
-    });
-
-    it('should return cached entries', () => {
-      cache.initLinesCache();
-      const entry: LineCacheEntry = ['test content', [0]];
-      cache.setLineInCache(5, entry);
-
-      assert.deepEqual(cache.getLineFromCache(5), entry);
-    });
-  });
-
-  describe('setLineInCache', () => {
-    it('should not set entries when cache is not initialized', () => {
-      const entry: LineCacheEntry = ['test content', [0]];
-      cache.setLineInCache(0, entry);
-
-      assert.equal(cache.getLineFromCache(0), undefined);
-    });
-
-    it('should set entries when cache is initialized', () => {
-      cache.initLinesCache();
-      const entry: LineCacheEntry = ['test content', [0]];
-      cache.setLineInCache(10, entry);
-
-      assert.deepEqual(cache.getLineFromCache(10), entry);
-    });
-
-    it('should overwrite existing entries', () => {
-      cache.initLinesCache();
-      const entry1: LineCacheEntry = ['first content', [0]];
-      const entry2: LineCacheEntry = ['second content', [0]];
-
-      cache.setLineInCache(0, entry1);
-      assert.deepEqual(cache.getLineFromCache(0), entry1);
-
-      cache.setLineInCache(0, entry2);
-      assert.deepEqual(cache.getLineFromCache(0), entry2);
-    });
-  });
-
-  describe('translateBufferLineToStringWithWrap', () => {
-    it('should translate a single line without wrapping', async () => {
-      await writeP(terminal, 'Hello World');
-      const result = cache.translateBufferLineToStringWithWrap(0, true);
-      assert.equal(result[0], 'Hello World');
-      assert.deepEqual(result[1], [0]);
-    });
-
-    it('should handle trimRight parameter', async () => {
-      await writeP(terminal, 'Hello World   ');
-      const resultTrimmed = cache.translateBufferLineToStringWithWrap(0, true);
-      const resultNotTrimmed = cache.translateBufferLineToStringWithWrap(0, false);
-
-      assert.equal(resultTrimmed[0].trimEnd(), 'Hello World');
-      assert.isTrue(resultNotTrimmed[0].startsWith('Hello World   '));
-      assert.isTrue(resultNotTrimmed[0].length > resultTrimmed[0].length, 'non-trimmed result should be longer');
-    });
-
-    it('should handle wrapped lines', async () => {
-      const longText = 'A'.repeat(200);
-      await writeP(terminal, longText);
-      const result = cache.translateBufferLineToStringWithWrap(0, true);
-      assert.equal(result[0], longText);
-      assert.isTrue(result[1].length > 1, 'should have multiple offsets due to wrapping');
-      assert.equal(result[1][0], 0, 'first offset should be 0');
-    });
-
-    it('should handle wide characters', async () => {
-      await writeP(terminal, 'Hello 世界');
-      const result = cache.translateBufferLineToStringWithWrap(0, true);
-      assert.equal(result[0], 'Hello 世界');
-      assert.deepEqual(result[1], [0]);
-    });
-
-    it('should handle empty lines', () => {
-      const result = cache.translateBufferLineToStringWithWrap(0, true);
-      assert.equal(result[0], '');
-      assert.deepEqual(result[1], [0]);
-    });
-
-    it('should handle lines beyond buffer', () => {
-      const result = cache.translateBufferLineToStringWithWrap(1000, true);
-      assert.equal(result[0], '');
-      assert.deepEqual(result[1], [0]);
-    });
-
-    it('should handle complex wrapped content', async () => {
-      await writeP(terminal, 'Line 1\r\n');
-      await writeP(terminal, 'Line 2 with some longer content that might wrap\r\n');
-      await writeP(terminal, 'Line 3');
-
-      const result1 = cache.translateBufferLineToStringWithWrap(0, true);
-      const result2 = cache.translateBufferLineToStringWithWrap(1, true);
-      const result3 = cache.translateBufferLineToStringWithWrap(2, true);
-
-      assert.equal(result1[0], 'Line 1');
-      assert.equal(result2[0], 'Line 2 with some longer content that might wrap');
-      assert.equal(result3[0], 'Line 3');
-    });
-  });
-
-  describe('cache invalidation', () => {
-    it('should invalidate cache on line feed', async () => {
-      cache.initLinesCache();
-      cache.setLineInCache(0, ['test', [0]]);
-
-      assert.deepEqual(cache.getLineFromCache(0), ['test', [0]]);
-
-      terminal.write('test\r\n');
-
-      await timeout(10);
-      assert.equal(cache.getLineFromCache(0), undefined);
-    });
-
-    it('should invalidate cache on cursor move', async () => {
-      cache.initLinesCache();
-      cache.setLineInCache(0, ['test', [0]]);
-
-      assert.deepEqual(cache.getLineFromCache(0), ['test', [0]]);
-
-      await writeP(terminal, 'some text');
-      await timeout(10);
-      assert.equal(cache.getLineFromCache(0), undefined);
-    });
-
-    it('should invalidate cache on resize', async () => {
-      cache.initLinesCache();
-      cache.setLineInCache(0, ['test', [0]]);
-
-      assert.deepEqual(cache.getLineFromCache(0), ['test', [0]]);
-
-      terminal.resize(100, 30);
-
-      await timeout(10);
-      assert.equal(cache.getLineFromCache(0), undefined);
-    });
-  });
-
-  describe('disposal', () => {
-    it('should clean up resources on dispose', () => {
-      cache.initLinesCache();
-      cache.setLineInCache(0, ['test', [0]]);
-
-      assert.deepEqual(cache.getLineFromCache(0), ['test', [0]]);
-
-      cache.dispose();
-
-      assert.equal(cache.getLineFromCache(0), undefined, 'cache should be destroyed after disposal');
-    });
-
-    it('should be safe to dispose multiple times', () => {
-      cache.initLinesCache();
-      cache.dispose();
-      cache.dispose();
-
-      assert.equal(cache.getLineFromCache(0), undefined);
-    });
-  });
-
-  describe('LineCacheEntry type', () => {
-    it('should handle complex line offsets', () => {
-      const entry: LineCacheEntry = [
-        'A very long line that wraps multiple times across several terminal lines',
-        [0, 20, 40, 60]
-      ];
-
-      cache.initLinesCache();
-      cache.setLineInCache(0, entry);
-
-      const retrieved = cache.getLineFromCache(0);
-      assert.deepEqual(retrieved, entry);
-      assert.equal(retrieved![0].length, 72);
-      assert.equal(retrieved![1].length, 4);
-    });
-
-    it('should handle unicode characters in cache entries', () => {
-      const entry: LineCacheEntry = [
-        'Hello 世界 🌍 测试',
-        [0]
-      ];
-
-      cache.initLinesCache();
-      cache.setLineInCache(0, entry);
-
-      const retrieved = cache.getLineFromCache(0);
-      assert.deepEqual(retrieved, entry);
-      assert.equal(retrieved![0], 'Hello 世界 🌍 测试');
-    });
-  });
-
-  describe('integration with real terminal content', () => {
-    it('should correctly translate real buffer content', async () => {
-      await writeP(terminal, 'Hello World');
-      const cached = cache.translateBufferLineToStringWithWrap(0, true);
-      const directTranslation = terminal.buffer.active.getLine(0)?.translateToString(true) || '';
-
-      assert.equal(cached[0], directTranslation);
-    });
-
-    it('should handle real wrapped content correctly', async () => {
-      const longContent = 'This is a very long line that will definitely wrap around in an 80 column terminal and should be handled correctly by the cache';
-      await writeP(terminal, longContent);
-      const result = cache.translateBufferLineToStringWithWrap(0, true);
-      assert.equal(result[0], longContent);
-      assert.isTrue(result[1].length > 1, 'should have wrapped');
-    });
-
-    it('should work with real escape sequences', async () => {
-      await writeP(terminal, 'Before\x1b[31mRed Text\x1b[0mAfter');
-      const result = cache.translateBufferLineToStringWithWrap(0, true);
-      assert.include(result[0], 'Before');
-      assert.include(result[0], 'Red Text');
-      assert.include(result[0], 'After');
-    });
-  });
-});

addons/addon-search/src/SearchLineCache.ts

@@ -1,114 +0,0 @@
-/**
- * Copyright (c) 2017 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-
-import type { Terminal } from '@xterm/xterm';
-import { combinedDisposable, Disposable, MutableDisposable, toDisposable } from 'vs/base/common/lifecycle';
-import { disposableTimeout } from 'vs/base/common/async';
-
-export type LineCacheEntry = [
-  /**
-   * The string representation of a line (as opposed to the buffer cell representation).
-   */
-  lineAsString: string,
-  /**
-   * The offsets where each line starts when the entry describes a wrapped line.
-   */
-  lineOffsets: number[]
-];
-
-/**
- * Configuration constants for the search line cache functionality.
- */
-const enum Constants {
-  /**
-   * Time-to-live for cached search results in milliseconds. After this duration, cached search
-   * results will be invalidated to ensure they remain consistent with terminal content changes.
-   */
-  LINES_CACHE_TIME_TO_LIVE = 15000
-}
-
-export class SearchLineCache extends Disposable {
-  /**
-   * 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: LineCacheEntry[] | undefined;
-  private _linesCacheTimeout = this._register(new MutableDisposable());
-  private _linesCacheDisposables = this._register(new MutableDisposable());
-
-  constructor(private readonly _terminal: Terminal) {
-    super();
-    this._register(toDisposable(() => this._destroyLinesCache()));
-  }
-
-  /**
-   * Sets up a line cache with a ttl
-   */
-  public initLinesCache(): void {
-    if (!this._linesCache) {
-      this._linesCache = new Array(this._terminal.buffer.active.length);
-      this._linesCacheDisposables.value = combinedDisposable(
-        this._terminal.onLineFeed(() => this._destroyLinesCache()),
-        this._terminal.onCursorMove(() => this._destroyLinesCache()),
-        this._terminal.onResize(() => this._destroyLinesCache())
-      );
-    }
-
-    this._linesCacheTimeout.value = disposableTimeout(() => this._destroyLinesCache(), Constants.LINES_CACHE_TIME_TO_LIVE);
-  }
-
-  private _destroyLinesCache(): void {
-    this._linesCache = undefined;
-    this._linesCacheDisposables.clear();
-    this._linesCacheTimeout.clear();
-  }
-
-  public getLineFromCache(row: number): LineCacheEntry | undefined {
-    return this._linesCache?.[row];
-  }
-
-  public setLineInCache(row: number, entry: LineCacheEntry): void {
-    if (this._linesCache) {
-      this._linesCache[row] = entry;
-    }
-  }
-
-  /**
-   * 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 lineIndex The index of the line being translated.
-   * @param trimRight Whether to trim whitespace to the right.
-   */
-  public translateBufferLineToStringWithWrap(lineIndex: number, trimRight: boolean): LineCacheEntry {
-    const strings = [];
-    const lineOffsets = [0];
-    let line = this._terminal.buffer.active.getLine(lineIndex);
-    while (line) {
-      const nextLine = this._terminal.buffer.active.getLine(lineIndex + 1);
-      const lineWrapsToNext = nextLine ? nextLine.isWrapped : false;
-      let string = line.translateToString(!lineWrapsToNext && trimRight);
-      if (lineWrapsToNext && nextLine) {
-        const lastCell = line.getCell(line.length - 1);
-        const lastCellIsNull = lastCell && lastCell.getCode() === 0 && lastCell.getWidth() === 1;
-        // a wide character wrapped to the next line
-        if (lastCellIsNull && nextLine.getCell(0)?.getWidth() === 2) {
-          string = string.slice(0, -1);
-        }
-      }
-      strings.push(string);
-      if (lineWrapsToNext) {
-        lineOffsets.push(lineOffsets[lineOffsets.length - 1] + string.length);
-      } else {
-        break;
-      }
-      lineIndex++;
-      line = nextLine;
-    }
-    return [strings.join(''), lineOffsets];
-  }
-}

addons/addon-search/src/SearchResultTracker.ts

@@ -1,119 +0,0 @@
-/**
- * Copyright (c) 2017 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-
-import type { ISearchResultChangeEvent } from '@xterm/addon-search';
-import type { IDisposable } from '@xterm/xterm';
-import { Emitter, Event } from 'vs/base/common/event';
-import { Disposable } from 'vs/base/common/lifecycle';
-import type { ISearchResult } from './SearchEngine';
-
-/**
- * Interface for managing a currently selected decoration.
- */
-interface ISelectedDecoration extends IDisposable {
-  match: ISearchResult;
-}
-
-/**
- * Tracks search results, manages result indexing, and fires events when results change.
- * This class provides centralized management of search result state and notifications.
- */
-export class SearchResultTracker extends Disposable {
-  private _searchResults: ISearchResult[] = [];
-  private _selectedDecoration: ISelectedDecoration | undefined;
-
-  private readonly _onDidChangeResults = this._register(new Emitter<ISearchResultChangeEvent>());
-  public get onDidChangeResults(): Event<ISearchResultChangeEvent> { return this._onDidChangeResults.event; }
-
-  /**
-   * Gets the current search results.
-   */
-  public get searchResults(): ReadonlyArray<ISearchResult> {
-    return this._searchResults;
-  }
-
-  /**
-   * Gets the currently selected decoration.
-   */
-  public get selectedDecoration(): ISelectedDecoration | undefined {
-    return this._selectedDecoration;
-  }
-
-  /**
-   * Sets the currently selected decoration.
-   */
-  public set selectedDecoration(decoration: ISelectedDecoration | undefined) {
-    this._selectedDecoration = decoration;
-  }
-
-  /**
-   * Updates the search results with a new set of results.
-   * @param results The new search results.
-   * @param maxResults The maximum number of results to track.
-   */
-  public updateResults(results: ISearchResult[], maxResults: number): void {
-    this._searchResults = results.slice(0, maxResults);
-  }
-
-  /**
-   * Clears all search results.
-   */
-  public clearResults(): void {
-    this._searchResults = [];
-  }
-
-  /**
-   * Clears the selected decoration.
-   */
-  public clearSelectedDecoration(): void {
-    if (this._selectedDecoration) {
-      this._selectedDecoration.dispose();
-      this._selectedDecoration = undefined;
-    }
-  }
-
-  /**
-   * Finds the index of a result in the current results array.
-   * @param result The result to find.
-   * @returns The index of the result, or -1 if not found.
-   */
-  public findResultIndex(result: ISearchResult): number {
-    for (let i = 0; i < this._searchResults.length; i++) {
-      const match = this._searchResults[i];
-      if (match.row === result.row && match.col === result.col && match.size === result.size) {
-        return i;
-      }
-    }
-    return -1;
-  }
-
-  /**
-   * Fires a result change event with the current state.
-   * @param hasDecorations Whether decorations are enabled.
-   */
-  public fireResultsChanged(hasDecorations: boolean): void {
-    if (!hasDecorations) {
-      return;
-    }
-
-    let resultIndex = -1;
-    if (this._selectedDecoration) {
-      resultIndex = this.findResultIndex(this._selectedDecoration.match);
-    }
-
-    this._onDidChangeResults.fire({
-      resultIndex,
-      resultCount: this._searchResults.length
-    });
-  }
-
-  /**
-   * Resets all state.
-   */
-  public reset(): void {
-    this.clearSelectedDecoration();
-    this.clearResults();
-  }
-}

addons/addon-search/src/SearchState.ts

@@ -1,106 +0,0 @@
-/**
- * Copyright (c) 2017 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-
-import type { ISearchOptions } from '@xterm/addon-search';
-
-/**
- * Manages search state including cached search terms, options tracking, and validation.
- * This class provides a centralized way to handle search state consistency and option changes.
- */
-export class SearchState {
-  private _cachedSearchTerm: string | undefined;
-  private _lastSearchOptions: ISearchOptions | undefined;
-
-  /**
-   * Gets the currently cached search term.
-   */
-  public get cachedSearchTerm(): string | undefined {
-    return this._cachedSearchTerm;
-  }
-
-  /**
-   * Sets the cached search term.
-   */
-  public set cachedSearchTerm(term: string | undefined) {
-    this._cachedSearchTerm = term;
-  }
-
-  /**
-   * Gets the last search options used.
-   */
-  public get lastSearchOptions(): ISearchOptions | undefined {
-    return this._lastSearchOptions;
-  }
-
-  /**
-   * Sets the last search options used.
-   */
-  public set lastSearchOptions(options: ISearchOptions | undefined) {
-    this._lastSearchOptions = options;
-  }
-
-  /**
-   * Validates a search term to ensure it's not empty or invalid.
-   * @param term The search term to validate.
-   * @returns true if the term is valid for searching.
-   */
-  public isValidSearchTerm(term: string): boolean {
-    return !!(term && term.length > 0);
-  }
-
-  /**
-   * Determines if search options have changed compared to the last search.
-   * @param newOptions The new search options to compare.
-   * @returns true if the options have changed.
-   */
-  public didOptionsChange(newOptions?: ISearchOptions): boolean {
-    if (!this._lastSearchOptions) {
-      return true;
-    }
-    if (!newOptions) {
-      return false;
-    }
-    if (this._lastSearchOptions.caseSensitive !== newOptions.caseSensitive) {
-      return true;
-    }
-    if (this._lastSearchOptions.regex !== newOptions.regex) {
-      return true;
-    }
-    if (this._lastSearchOptions.wholeWord !== newOptions.wholeWord) {
-      return true;
-    }
-    return false;
-  }
-
-  /**
-   * Determines if a new search should trigger highlighting updates.
-   * @param term The search term.
-   * @param options The search options.
-   * @returns true if highlighting should be updated.
-   */
-  public shouldUpdateHighlighting(term: string, options?: ISearchOptions): boolean {
-    if (!options?.decorations) {
-      return false;
-    }
-    return this._cachedSearchTerm === undefined ||
-           term !== this._cachedSearchTerm ||
-           this.didOptionsChange(options);
-  }
-
-  /**
-   * Clears the cached search term.
-   */
-  public clearCachedTerm(): void {
-    this._cachedSearchTerm = undefined;
-  }
-
-  /**
-   * Resets all state.
-   */
-  public reset(): void {
-    this._cachedSearchTerm = undefined;
-    this._lastSearchOptions = undefined;
-  }
-}

addons/addon-search/src/tsconfig.json

@@ -18,9 +18,6 @@
       "common/*": [
         "../../../src/common/*"
       ],
-      "browser/*": [
-        "../../../src/browser/*"
-      ],
       "vs/*": [
         "../../../src/vs/*"
       ],
@@ -37,9 +34,6 @@
     {
       "path": "../../../src/common"
     },
-    {
-      "path": "../../../src/browser"
-    },
     {
       "path": "../../../src/vs"
     }

addons/addon-search/test/SearchAddon.test.ts

@@ -19,8 +19,8 @@ test.afterAll(async () => await ctx.page.close());
 test.describe('Search Tests', () => {
 
   test.beforeEach(async () => {
-    await ctx.proxy.reset();
     await ctx.page.evaluate(`
+      window.term.reset()
       window.search?.dispose();
       window.search = new SearchAddon();
       window.term.loadAddon(window.search);
@@ -480,57 +480,6 @@ test.describe('Search Tests', () => {
       ]);
     });
   });
-
-  test.describe('Wrapped line search functionality', () => {
-    test('should correctly count matches across multiple wrapped lines', async () => {
-      await ctx.page.evaluate(`
-        window.calls = [];
-        window.search.onDidChangeResults(e => window.calls.push(e));
-      `);
-
-      const content = 'a'.repeat(300);
-      await ctx.proxy.write(content);
-      strictEqual(await ctx.page.evaluate(`window.search.findNext('${content}', { decorations: { activeMatchColorOverviewRuler: '#ff0000', matchOverviewRuler: '#ffff00' } })`), true);
-      deepStrictEqual(await ctx.page.evaluate('window.calls'), [
-        { resultCount: 1, resultIndex: 0 }
-      ]);
-    });
-
-    test('should handle reverse search across wrapped lines', async () => {
-      await ctx.page.evaluate(`
-        window.calls = [];
-        window.search.onDidChangeResults(e => window.calls.push(e));
-      `);
-
-      const content = 'x'.repeat(300);
-      await ctx.proxy.write(content);
-      strictEqual(await ctx.page.evaluate(`window.search.findPrevious('${content}', { decorations: { activeMatchColorOverviewRuler: '#ff0000', matchOverviewRuler: '#ffff00' } })`), true);
-      deepStrictEqual(await ctx.page.evaluate('window.calls'), [
-        { resultCount: 1, resultIndex: 0 }
-      ]);
-    });
-
-    test('should update counts when content changes across wrapped lines', async () => {
-      await ctx.page.evaluate(`
-        window.calls = [];
-        window.search.onDidChangeResults(e => window.calls.push(e));
-      `);
-
-      const content = 'z'.repeat(300);
-      await ctx.proxy.write(content);
-      strictEqual(await ctx.page.evaluate(`window.search.findNext('${content}', { decorations: { activeMatchColorOverviewRuler: '#ff0000', matchOverviewRuler: '#ffff00' } })`), true);
-      deepStrictEqual(await ctx.page.evaluate('window.calls'), [
-        { resultCount: 1, resultIndex: 0 }
-      ]);
-
-      await ctx.proxy.write('\\n\\r' + content);
-      await timeout(300);
-      deepStrictEqual(await ctx.page.evaluate('window.calls'), [
-        { resultCount: 1, resultIndex: 0 },
-        { resultCount: 2, resultIndex: 0 }
-      ]);
-    });
-  });
 });
 
 function makeData(length: number): string {

addons/addon-search/typings/addon-search.d.ts

@@ -75,21 +75,6 @@ declare module '@xterm/addon-search' {
     activeMatchColorOverviewRuler: string;
   }
 
-  /**
-   * Event data fired when search results change.
-   */
-  export interface ISearchResultChangeEvent {
-    /**
-     * The index of the currently active result, -1 when the threshold of matches is exceeded.
-     */
-    resultIndex: number;
-
-    /**
-     * The total number of search results found.
-     */
-    resultCount: number;
-  }
-
   /**
    * Options for the search addon.
    */
@@ -154,7 +139,8 @@ declare module '@xterm/addon-search' {
     /**
      * When decorations are enabled, fires when
      * the search results change.
+     * @returns -1 for resultIndex when the threshold of matches is exceeded.
      */
-    readonly onDidChangeResults: IEvent<ISearchResultChangeEvent>;
+    readonly onDidChangeResults: IEvent<{ resultIndex: number, resultCount: number }>;
   }
 }

addons/addon-serialize/README.md

@@ -34,9 +34,9 @@ See the full [API](https://github.com/xtermjs/xterm.js/blob/master/addons/addon-
 ```shell
 $ git clone https://github.com/xtermjs/xterm.js.git
 $ cd xterm.js
-$ npm ci
+$ yarn
 $ cd addons/addon-serialize
-$ npm run benchmark && npm run benchmark-baseline
+$ yarn benchmark && yarn benchmark-baseline
 $ # change some code in `@xterm/addon-serialize`
-$ npm run benchmark-eval
+$ yarn benchmark-eval
 ```

addons/addon-serialize/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@xterm/addon-serialize",
-  "version": "0.14.0",
+  "version": "0.13.0",
   "author": {
     "name": "The xterm.js authors",
     "url": "https://xtermjs.org/"
@@ -24,5 +24,8 @@
     "benchmark": "NODE_PATH=../../out:./out:./out-benchmark/ ../../node_modules/.bin/xterm-benchmark -r 5 -c benchmark/benchmark.json",
     "benchmark-baseline": "NODE_PATH=../../out:./out:./out-benchmark/ ../../node_modules/.bin/xterm-benchmark -r 5 -c benchmark/benchmark.json --baseline out-benchmark/benchmark/*benchmark.js",
     "benchmark-eval": "NODE_PATH=../../out:./out:./out-benchmark/ ../../node_modules/.bin/xterm-benchmark -r 5 -c benchmark/benchmark.json --eval out-benchmark/benchmark/*benchmark.js"
+  },
+  "peerDependencies": {
+    "@xterm/xterm": "^5.0.0"
   }
 }

addons/addon-serialize/src/SerializeAddon.test.ts

@@ -148,22 +148,6 @@ describe('SerializeAddon', () => {
       assert.equal((output.match(/<div><span>&lt;a>&amp;pi;<\/span><\/div>/g) || []).length, 1, output);
     });
 
-    it('serializes rows within a provided range', async () => {
-      await writeP(terminal, 'bye hello\r\nworld');
-      const output = serializeAddon.serializeAsHTML({
-        range: {
-          startLine: 0,
-          endLine: 0,
-          startCol: 4
-        }
-      });
-      const rowMatches = output.match(/<div><span>.*?<\/span><\/div>/g) || [];
-      assert.equal(rowMatches.length, 1, output);
-      assert.ok(rowMatches[0]?.includes('hello'));
-      assert.ok(!output.includes('bye'));
-      assert.ok(!output.includes('world'));
-    });
-
     it('cells with bold styling', async () => {
       await writeP(terminal, ' ' + sgr('1') + 'terminal' + sgr('22') + ' ');
 

addons/addon-serialize/src/SerializeAddon.ts

@@ -450,13 +450,6 @@ export class SerializeAddon implements ITerminalAddon , ISerializeApi {
     const buffer = terminal.buffer.active;
     const handler = new HTMLSerializeHandler(buffer, terminal, options);
     const onlySelection = options.onlySelection ?? false;
-    const range = options.range;
-    if (range) {
-      return handler.serialize({
-        start: { x: range.startCol,             y: typeof range.startLine === 'number' ? range.startLine : range.startLine },
-        end:   { x: terminal.cols, y: typeof range.endLine   === 'number' ? range.endLine   : range.endLine   }
-      });
-    }
     if (!onlySelection) {
       const maxRows = buffer.length;
       const scrollback = options.scrollback;
@@ -490,7 +483,6 @@ export class SerializeAddon implements ITerminalAddon , ISerializeApi {
     if (modes.originMode) content += '\x1b[?6h';
     if (modes.reverseWraparoundMode) content += '\x1b[?45h';
     if (modes.sendFocusMode) content += '\x1b[?1004h';
-    // synchronizedOutputMode doesn't need to be serialized as it's a temporary mode
 
     // Default: true
     if (modes.wraparoundMode === false) content += '\x1b[?7l';

addons/addon-serialize/typings/addon-serialize.d.ts

@@ -90,17 +90,6 @@ declare module '@xterm/addon-serialize' {
      * Whether to include the global background of the terminal. False by default.
      */
     includeGlobalBackground: boolean;
-
-     /**
-     * The range to serialize. This is prioritized over {@link onlySelection}.
-     */
-    range?: ISerializeBufferRange;
-  }
-
-  export interface ISerializeBufferRange {
-    startLine: number;
-    endLine: number;
-    startCol: number;
   }
 
   export interface ISerializeRange {

addons/addon-unicode-graphemes/package.json

@@ -1,12 +1,12 @@
 {
   "name": "@xterm/addon-unicode-graphemes",
-  "version": "0.4.0",
+  "version": "0.3.0",
   "author": {
     "name": "The xterm.js authors",
     "url": "https://xtermjs.org/"
   },
   "main": "lib/addon-unicode-graphemes.js",
-  "module": "lib/addon-unicode-graphemes.mjs",
+  "module": "lib/.addon-unicode-graphemes.mjs",
   "types": "typings/addon-unicode-graphemes.d.ts",
   "repository": "https://github.com/xtermjs/xterm.js/tree/master/addons/addon-unicode-graphemes",
   "license": "MIT",
@@ -24,5 +24,8 @@
     "benchmark": "NODE_PATH=../../out:./out:./out-benchmark/ ../../node_modules/.bin/xterm-benchmark -r 5 -c benchmark/benchmark.json out-benchmark/benchmark/*benchmark.js",
     "benchmark-baseline": "NODE_PATH=../../out:./out:./out-benchmark/ ../../node_modules/.bin/xterm-benchmark -r 5 -c benchmark/benchmark.json --baseline out-benchmark/benchmark/*benchmark.js",
     "benchmark-eval": "NODE_PATH=../../out:./out:./out-benchmark/ ../../node_modules/.bin/xterm-benchmark -r 5 -c benchmark/benchmark.json --eval out-benchmark/benchmark/*benchmark.js"
+  },
+  "peerDependencies": {
+    "@xterm/xterm": "^5.0.0"
   }
 }

addons/addon-unicode11/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@xterm/addon-unicode11",
-  "version": "0.9.0",
+  "version": "0.8.0",
   "author": {
     "name": "The xterm.js authors",
     "url": "https://xtermjs.org/"
@@ -21,5 +21,8 @@
     "package": "../../node_modules/.bin/webpack",
     "prepublishOnly": "npm run package",
     "start": "node ../../demo/start"
+  },
+  "peerDependencies": {
+    "@xterm/xterm": "^5.0.0"
   }
 }

addons/addon-web-links/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@xterm/addon-web-links",
-  "version": "0.12.0",
+  "version": "0.11.0",
   "author": {
     "name": "The xterm.js authors",
     "url": "https://xtermjs.org/"
@@ -21,5 +21,9 @@
     "package": "../../node_modules/.bin/webpack",
     "prepublishOnly": "npm run package",
     "start": "node ../../demo/start"
+  },
+  "peerDependencies": {
+    "@xterm/xterm": "^5.0.0"
   }
+
 }

addons/addon-webgl/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@xterm/addon-webgl",
-  "version": "0.19.0",
+  "version": "0.18.0",
   "author": {
     "name": "The xterm.js authors",
     "url": "https://xtermjs.org/"
@@ -22,5 +22,8 @@
     "package": "../../node_modules/.bin/webpack",
     "prepublishOnly": "npm run package",
     "start": "node ../../demo/start"
+  },
+  "peerDependencies": {
+    "@xterm/xterm": "^5.0.0"
   }
 }

addons/addon-webgl/src/WebglRenderer.ts

@@ -139,7 +139,7 @@ export class WebglRenderer extends Disposable implements IRenderer {
 
     [this._rectangleRenderer.value, this._glyphRenderer.value] = this._initializeWebGLState();
 
-    this._isAttached = this._core.screenElement!.isConnected;
+    this._isAttached = this._coreBrowserService.window.document.body.contains(this._core.screenElement!);
 
     this._register(toDisposable(() => {
       for (const l of this._renderLayers) {
@@ -322,7 +322,7 @@ export class WebglRenderer extends Disposable implements IRenderer {
 
   public renderRows(start: number, end: number): void {
     if (!this._isAttached) {
-      if (this._core.screenElement?.isConnected && this._charSizeService.width && this._charSizeService.height) {
+      if (this._coreBrowserService.window.document.body.contains(this._core.screenElement!) && this._charSizeService.width && this._charSizeService.height) {
         this._updateDimensions();
         this._refreshCharAtlas();
         this._isAttached = true;

addons/addon-webgl/src/tsconfig.json

@@ -29,7 +29,8 @@
     "downlevelIteration": true,
     "experimentalDecorators": true,
     "types": [
-      "../../../node_modules/@types/mocha"
+      "../../../node_modules/@types/mocha",
+      "../../../src/vs/typings/thenable"
     ]
   },
   "include": [

bin/install-addons.js

@@ -0,0 +1,56 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ *
+ * Script to initialize addon packages under "addons/" with outer deps.
+ */
+
+const path = require('path');
+const cp = require('child_process');
+const fs = require('fs');
+
+const PACKAGE_ROOT = path.join(__dirname, '..');
+
+// install addon deps
+const addonsPath = path.join(PACKAGE_ROOT, 'addons');
+if (fs.existsSync(addonsPath)) {
+  console.log('pulling addon dependencies...');
+
+  // whether to use yarn or npm
+  let hasYarn = false;
+  try {
+    cp.execSync('yarn --version').toString();
+    hasYarn = true;
+  } catch(e) {}
+
+  // walk all addon folders
+  fs.readdir(addonsPath, (err, files) => {
+    for (const folder of files) {
+      const addonPath = path.join(addonsPath, folder);
+
+      // install only if there are dependencies listed
+      let packageJson;
+      try {
+        packageJson = require(path.join(addonPath, 'package.json'));
+      } catch (e) {
+        // swallow as changing branches can leave folders around
+      }
+      if (packageJson
+            && (
+              (packageJson.devDependencies && Object.keys(packageJson.devDependencies).length)
+              || (packageJson.dependencies && Object.keys(packageJson.dependencies).length)
+            )
+          )
+      {
+        console.log('Preparing', folder);
+        if (hasYarn) {
+          cp.execSync('yarn', {cwd: addonPath});
+        } else {
+          cp.execSync('npm install', {cwd: addonPath});
+        }
+      } else {
+        console.log('Skipped', folder);
+      }
+    }
+  });
+}

bin/publish.js

@@ -50,7 +50,7 @@ const addonPackageDirs = [
   path.resolve(__dirname, '../addons/addon-search'),
   path.resolve(__dirname, '../addons/addon-serialize'),
   path.resolve(__dirname, '../addons/addon-unicode11'),
-  path.resolve(__dirname, '../addons/addon-unicode-graphemes'),
+  // path.resolve(__dirname, '../addons/addon-unicode-graphemes'),
   path.resolve(__dirname, '../addons/addon-web-links'),
   path.resolve(__dirname, '../addons/addon-webgl')
 ];

bin/test_unit.js

@@ -20,7 +20,7 @@ if (process.argv.length > 2) {
   const args = process.argv.slice(2);
   flagArgs = args.filter(e => e.startsWith('--'));
   // ability to inject particular test files via
-  // npm run test [testFileA testFileB ...]
+  // yarn test [testFileA testFileB ...]
   files = args.filter(e => !e.startsWith('--'));
   if (files.length) {
     testFiles = files;

bin/update-website.sh

@@ -6,7 +6,7 @@ VERSION=$1
 # Clone docs repo and update the documentation
 git clone https://github.com/xtermjs/xtermjs.org
 cd xtermjs.org
-npm ci
+yarn
 ./bin/update-docs
 
 # Add changes to index and only proceed if there are changes to commit

demo/client.ts

@@ -1310,25 +1310,23 @@ function addVtButtons(): void {
   }
   const vtFragment = document.createDocumentFragment();
   const buttonSpecs: { [key: string]: { label: string, description: string, paramCount?: number }} = {
-    A:         { label: 'CUU ↑',    description: 'Cursor Up Ps Times' },
-    B:         { label: 'CUD ↓',    description: 'Cursor Down Ps Times' },
-    C:         { label: 'CUF →',    description: 'Cursor Forward Ps Times' },
-    D:         { label: 'CUB ←',    description: 'Cursor Backward Ps Times' },
-    E:         { label: 'CNL',      description: 'Cursor Next Line Ps Times' },
-    F:         { label: 'CPL',      description: 'Cursor Preceding Line Ps Times' },
-    G:         { label: 'CHA',      description: 'Cursor Character Absolute' },
-    H:         { label: 'CUP',      description: 'Cursor Position [row;column]', paramCount: 2 },
-    I:         { label: 'CHT',      description: 'Cursor Forward Tabulation Ps tab stops' },
-    J:         { label: 'ED',       description: 'Erase in Display' },
-    '?|J':     { label: 'DECSED',   description: 'Erase in Display' },
-    K:         { label: 'EL',       description: 'Erase in Line' },
-    '?|K':     { label: 'DECSEL',   description: 'Erase in Line' },
-    L:         { label: 'IL',       description: 'Insert Ps Line(s)' },
-    M:         { label: 'DL',       description: 'Delete Ps Line(s)' },
-    P:         { label: 'DCH',      description: 'Delete Ps Character(s)' },
-    ' q':      { label: 'DECSCUSR', description: 'Set Cursor Style' },
-    '?2026h':  { label: 'BSU',      description: 'Begin synchronized update', paramCount: 0 },
-    '?2026l':  { label: 'ESU',      description: 'End synchronized update', paramCount: 0 }
+    A:     { label: 'CUU ↑',    description: 'Cursor Up Ps Times' },
+    B:     { label: 'CUD ↓',    description: 'Cursor Down Ps Times' },
+    C:     { label: 'CUF →',    description: 'Cursor Forward Ps Times' },
+    D:     { label: 'CUB ←',    description: 'Cursor Backward Ps Times' },
+    E:     { label: 'CNL',      description: 'Cursor Next Line Ps Times' },
+    F:     { label: 'CPL',      description: 'Cursor Preceding Line Ps Times' },
+    G:     { label: 'CHA',      description: 'Cursor Character Absolute' },
+    H:     { label: 'CUP',      description: 'Cursor Position [row;column]', paramCount: 2 },
+    I:     { label: 'CHT',      description: 'Cursor Forward Tabulation Ps tab stops' },
+    J:     { label: 'ED',       description: 'Erase in Display' },
+    '?|J': { label: 'DECSED',   description: 'Erase in Display' },
+    K:     { label: 'EL',       description: 'Erase in Line' },
+    '?|K': { label: 'DECSEL',   description: 'Erase in Line' },
+    L:     { label: 'IL',       description: 'Insert Ps Line(s)' },
+    M:     { label: 'DL',       description: 'Delete Ps Line(s)' },
+    P:     { label: 'DCH',      description: 'Delete Ps Character(s)' },
+    ' q':  { label: 'DECSCUSR', description: 'Set Cursor Style', paramCount: 1 }
   };
   for (const s of Object.keys(buttonSpecs)) {
     const spec = buttonSpecs[s];

demo/server.js

@@ -60,7 +60,7 @@ function startServer() {
     const cols = parseInt(req.query.cols);
     const rows = parseInt(req.query.rows);
     const isWindows = process.platform === 'win32';
-    const term = pty.spawn(isWindows ? 'powershell.exe' : 'bash', [], {
+    const term = pty.spawn(isWindows ? 'pwsh.exe' : 'bash', [], {
       name: 'xterm-256color',
       cols: cols ?? 80,
       rows: rows ?? 24,

headless/package.json

@@ -3,13 +3,8 @@
  "description": "A headless terminal component that runs in Node.js",
  "version": "5.5.0",
  "main": "lib-headless/xterm-headless.js",
- "module": "lib-headless/xterm-headless.mjs",
+ "module": "lib/xterm.mjs",
  "types": "typings/xterm-headless.d.ts",
- "exports": {
-  "types": "./typings/xterm-headless.d.ts",
-  "import": "./lib-headless/xterm-headless.mjs",
-  "require": "./lib-headless/xterm-headless.js"
- },
  "repository": "https://github.com/xtermjs/xterm.js",
  "license": "MIT",
  "keywords": [
@@ -27,4 +22,4 @@
   "webgl",
   "xterm"
  ]
-}
+}

package.json

@@ -1,16 +1,13 @@
 {
   "name": "@xterm/xterm",
   "description": "Full xterm terminal, in your browser",
-  "version": "6.0.0",
+  "version": "5.5.0",
   "main": "lib/xterm.js",
   "module": "lib/xterm.mjs",
   "style": "css/xterm.css",
   "types": "typings/xterm.d.ts",
   "repository": "https://github.com/xtermjs/xterm.js",
   "license": "MIT",
-  "workspaces": [
-    "addons/*"
-  ],
   "keywords": [
     "cli",
     "command-line",
@@ -28,6 +25,8 @@
   ],
   "scripts": {
     "setup": "npm run build",
+    "presetup": "npm run install-addons",
+    "install-addons": "node ./bin/install-addons.js",
     "start": "node demo/start",
     "build": "npm run tsc",
     "watch": "npm run tsc-watch",
@@ -43,7 +42,6 @@
     "test": "npm run test-unit",
     "posttest": "npm run lint",
     "lint": "eslint -c .eslintrc.json --max-warnings 0 --ext .ts src/ addons/",
-    "lint-fix": "eslint -c .eslintrc.json --fix --ext .ts src/ addons/",
     "lint-api": "eslint --no-eslintrc -c .eslintrc.json.typings --max-warnings 0 --no-ignore --ext .d.ts typings/",
     "test-unit": "node ./bin/test_unit.js",
     "test-unit-coverage": "node ./bin/test_unit.js --coverage",
@@ -75,6 +73,7 @@
     "@types/deep-equal": "^1.0.1",
     "@types/express": "4",
     "@types/express-ws": "^3.0.1",
+    "@types/glob": "^7.2.0",
     "@types/jsdom": "^16.2.13",
     "@types/mocha": "^9.0.0",
     "@types/node": "^18.16.0",
@@ -92,6 +91,7 @@
     "eslint-plugin-jsdoc": "^46.9.1",
     "express": "^4.19.2",
     "express-ws": "^5.0.2",
+    "glob": "^7.2.0",
     "jsdom": "^18.0.1",
     "mocha": "^10.1.0",
     "mustache": "^4.2.0",

src/browser/CoreBrowserTerminal.ts

@@ -646,14 +646,6 @@ export class CoreBrowserTerminal extends CoreTerminal implements ITerminal {
           if (deltaY === 0) {
             return false;
           }
-          const lines = self.coreMouseService.consumeWheelEvent(
-            ev as WheelEvent,
-            self._renderService?.dimensions?.device?.cell?.height,
-            self._coreBrowserService?.dpr
-          );
-          if (lines === 0) {
-            return false;
-          }
           action = deltaY < 0 ? CoreMouseAction.UP : CoreMouseAction.DOWN;
           but = CoreMouseButton.WHEEL;
           break;
@@ -825,15 +817,6 @@ export class CoreBrowserTerminal extends CoreTerminal implements ITerminal {
           return false;
         }
 
-        const lines = self.coreMouseService.consumeWheelEvent(
-          ev as WheelEvent,
-          self._renderService?.dimensions?.device?.cell?.height,
-          self._coreBrowserService?.dpr
-        );
-        if (lines === 0) {
-          return this.cancel(ev, true);
-        }
-
         // Construct and send sequences
         const sequence = C0.ESC + (this.coreService.decPrivateModes.applicationCursorKeys ? 'O' : '[') + (ev.deltaY < 0 ? 'A' : 'B');
         this.coreService.triggerDataEvent(sequence, true);

src/browser/Terminal.test.ts

@@ -1079,6 +1079,47 @@ describe('Terminal', () => {
       assert.equal(windowsModeTerminal.buffer.lines.get(2)!.isWrapped, false);
     });
   });
+  describe('Windows Mode', () => {
+    it('should mark lines as wrapped when the line ends in a non-null character after a LF', async () => {
+      const data = [
+        'aaaaaaaaaa\n\r', // cannot wrap as it's the first
+        'aaaaaaaaa\n\r',  // wrapped (windows mode only)
+        'aaaaaaaaa'       // not wrapped
+      ];
+
+      const normalTerminal = new TestTerminal({ rows: 5, cols: 10, windowsMode: false });
+      await normalTerminal.writeP(data.join(''));
+      assert.equal(normalTerminal.buffer.lines.get(0)!.isWrapped, false);
+      assert.equal(normalTerminal.buffer.lines.get(1)!.isWrapped, false);
+      assert.equal(normalTerminal.buffer.lines.get(2)!.isWrapped, false);
+
+      const windowsModeTerminal = new TestTerminal({ rows: 5, cols: 10, windowsMode: true });
+      await windowsModeTerminal.writeP(data.join(''));
+      assert.equal(windowsModeTerminal.buffer.lines.get(0)!.isWrapped, false);
+      assert.equal(windowsModeTerminal.buffer.lines.get(1)!.isWrapped, true, 'This line should wrap in Windows mode as the previous line ends in a non-null character');
+      assert.equal(windowsModeTerminal.buffer.lines.get(2)!.isWrapped, false);
+    });
+
+    it('should mark lines as wrapped when the line ends in a non-null character after a CUP', async () => {
+      const data = [
+        'aaaaaaaaaa\x1b[2;1H', // cannot wrap as it's the first
+        'aaaaaaaaa\x1b[3;1H',  // wrapped (windows mode only)
+        'aaaaaaaaa'             // not wrapped
+      ];
+
+      const normalTerminal = new TestTerminal({ rows: 5, cols: 10, windowsMode: false });
+      await normalTerminal.writeP(data.join(''));
+      assert.equal(normalTerminal.buffer.lines.get(0)!.isWrapped, false);
+      assert.equal(normalTerminal.buffer.lines.get(1)!.isWrapped, false);
+      assert.equal(normalTerminal.buffer.lines.get(2)!.isWrapped, false);
+
+      const windowsModeTerminal = new TestTerminal({ rows: 5, cols: 10, windowsMode: true });
+      await windowsModeTerminal.writeP(data.join(''));
+      assert.equal(windowsModeTerminal.buffer.lines.get(0)!.isWrapped, false);
+      assert.equal(windowsModeTerminal.buffer.lines.get(1)!.isWrapped, true, 'This line should wrap in Windows mode as the previous line ends in a non-null character');
+      assert.equal(windowsModeTerminal.buffer.lines.get(2)!.isWrapped, false);
+    });
+  });
   it('convertEol setting', async () => {
     // not converting
     const termNotConverting = new TestTerminal({ cols: 15, rows: 10 });

src/browser/Terminal2.test.ts

@@ -3,6 +3,7 @@
  * @license MIT
  */
 
+import * as glob from 'glob';
 import * as path from 'path';
 import * as os from 'os';
 import * as fs from 'fs';
@@ -14,10 +15,7 @@ import { IDisposable } from '@xterm/xterm';
 const COLS = 80;
 const ROWS = 25;
 
-const escapeSequenceFilesDir = path.join(__dirname, '../../fixtures/escape_sequence_files');
-const TESTFILES = fs.readdirSync(escapeSequenceFilesDir)
-  .filter(f => f.endsWith('.in'))
-  .map(f => path.join(escapeSequenceFilesDir, f));
+const TESTFILES = glob.sync('**/escape_sequence_files/*.in', { cwd: path.join(__dirname, '../..')});
 const SKIP_FILES = [
   't0055-EL.in',            // EL/ED handle cursor at cols differently (see #3362)
   't0084-CBT.in',
@@ -35,7 +33,7 @@ if (os.platform() === 'darwin') {
   );
 }
 // filter skipFilenames
-const FILES = TESTFILES.filter(value => !SKIP_FILES.includes(path.basename(value)));
+const FILES = TESTFILES.filter(value => !SKIP_FILES.includes(value.split('/').slice(-1)[0]));
 
 describe('Escape Sequence Files', function(): void {
   this.timeout(1000);
@@ -64,7 +62,7 @@ describe('Escape Sequence Files', function(): void {
   });
 
   for (const filename of FILES) {
-    (process.platform === 'win32' ? it.skip : it)(path.basename(filename), async () => {
+    (process.platform === 'win32' ? it.skip : it)(filename.split('/').slice(-1)[0], async () => {
       // reset terminal and handler
       if (customHandler) {
         customHandler.dispose();
@@ -90,7 +88,7 @@ describe('Escape Sequence Files', function(): void {
       });
 
       // compare with expected output (right trimmed)
-      const expected = fs.readFileSync(filename.replace(/\.in$/, '.text'), 'utf8');
+      const expected = fs.readFileSync(filename.split('.')[0] + '.text', 'utf8');
       const expectedRightTrimmed = expected.split('\n').map(l => l.replace(/\s+$/, '')).join('\n');
       if (content !== expectedRightTrimmed) {
         throw new Error(formatError(fs.readFileSync(filename, 'utf8'), content, expected));

src/browser/TimeBasedDebouncer.ts

@@ -45,7 +45,7 @@ export class TimeBasedDebouncer implements IRenderDebouncer {
 
     // Only refresh if the time since last refresh is above a threshold, otherwise wait for
     // enough time to pass before refreshing again.
-    const refreshRequestTime: number = performance.now();
+    const refreshRequestTime: number = Date.now();
     if (refreshRequestTime - this._lastRefreshMs >= this._debounceThresholdMS) {
       // Enough time has lapsed since the last refresh; refresh immediately
       this._lastRefreshMs = refreshRequestTime;
@@ -57,7 +57,7 @@ export class TimeBasedDebouncer implements IRenderDebouncer {
       this._additionalRefreshRequested = true;
 
       this._refreshTimeoutID = window.setTimeout(() => {
-        this._lastRefreshMs = performance.now();
+        this._lastRefreshMs = Date.now();
         this._innerRefresh();
         this._additionalRefreshRequested = false;
         this._refreshTimeoutID = undefined; // No longer need to clear the timeout

src/browser/Viewport.ts

@@ -94,12 +94,7 @@ export class Viewport extends Disposable {
     }));
 
     this._register(this._bufferService.onResize(() => this.queueSync()));
-    this._register(this._bufferService.buffers.onBufferActivate(() => {
-      // Reset _latestYDisp when switching buffers to prevent stale scroll position
-      // from alt buffer contaminating normal buffer scroll position
-      this._latestYDisp = undefined;
-      this.queueSync();
-    }));
+    this._register(this._bufferService.buffers.onBufferActivate(() => this.queueSync()));
     this._register(this._bufferService.onScroll(() => this._sync()));
 
     this._register(this._scrollableElement.onScroll(e => this._handleScroll(e)));
@@ -162,7 +157,7 @@ export class Viewport extends Disposable {
     });
     this._suppressOnScrollHandler = false;
 
-    // If ydisp has been changed by some other component (input/buffer), then stop animating smooth
+    // If ydisp has been changed by some other copmonent (input/buffer), then stop animating smooth
     // scroll and scroll there immediately.
     if (ydisp !== this._latestYDisp) {
       this._scrollableElement.setScrollPosition({

src/browser/input/MoveToCell.ts

@@ -199,9 +199,7 @@ function bufferLine(
   let currentRow = startRow;
   let bufferStr = '';
 
-  while ((currentCol !== endCol || currentRow !== endRow) &&
-         currentRow >= 0 &&
-         currentRow < bufferService.buffer.lines.length) {
+  while (currentCol !== endCol || currentRow !== endRow) {
     currentCol += forward ? 1 : -1;
 
     if (forward && currentCol > bufferService.cols - 1) {

src/browser/public/Terminal.ts

@@ -123,7 +123,6 @@ export class Terminal extends Disposable implements ITerminalApi {
       originMode: m.origin,
       reverseWraparoundMode: m.reverseWraparound,
       sendFocusMode: m.sendFocus,
-      synchronizedOutputMode: m.synchronizedOutput,
       wraparoundMode: m.wraparound
     };
   }

src/browser/services/RenderService.ts

@@ -9,7 +9,7 @@ import { IRenderDimensions, IRenderer } from 'browser/renderer/shared/Types';
 import { ICharSizeService, ICoreBrowserService, IRenderService, IThemeService } from 'browser/services/Services';
 import { Disposable, MutableDisposable, toDisposable } from 'vs/base/common/lifecycle';
 import { DebouncedIdleTask } from 'common/TaskQueue';
-import { IBufferService, ICoreService, IDecorationService, IOptionsService } from 'common/services/Services';
+import { IBufferService, IDecorationService, IOptionsService } from 'common/services/Services';
 import { Emitter } from 'vs/base/common/event';
 
 interface ISelectionState {
@@ -18,10 +18,6 @@ interface ISelectionState {
   columnSelectMode: boolean;
 }
 
-const enum Constants {
-  SYNCHRONIZED_OUTPUT_TIMEOUT_MS = 1000
-}
-
 export class RenderService extends Disposable implements IRenderService {
   public serviceBrand: undefined;
 
@@ -36,7 +32,6 @@ export class RenderService extends Disposable implements IRenderService {
   private _needsSelectionRefresh: boolean = false;
   private _canvasWidth: number = 0;
   private _canvasHeight: number = 0;
-  private _syncOutputHandler: SynchronizedOutputHandler;
   private _selectionState: ISelectionState = {
     start: undefined,
     end: undefined,
@@ -57,31 +52,23 @@ export class RenderService extends Disposable implements IRenderService {
   constructor(
     private _rowCount: number,
     screenElement: HTMLElement,
-    @IOptionsService private readonly _optionsService: IOptionsService,
+    @IOptionsService optionsService: IOptionsService,
     @ICharSizeService private readonly _charSizeService: ICharSizeService,
-    @ICoreService private readonly _coreService: ICoreService,
     @IDecorationService decorationService: IDecorationService,
     @IBufferService bufferService: IBufferService,
-    @ICoreBrowserService private readonly _coreBrowserService: ICoreBrowserService,
+    @ICoreBrowserService coreBrowserService: ICoreBrowserService,
     @IThemeService themeService: IThemeService
   ) {
     super();
 
-    this._renderDebouncer = new RenderDebouncer((start, end) => this._renderRows(start, end), this._coreBrowserService);
+    this._renderDebouncer = new RenderDebouncer((start, end) => this._renderRows(start, end), coreBrowserService);
     this._register(this._renderDebouncer);
 
-    this._syncOutputHandler = new SynchronizedOutputHandler(
-      this._coreBrowserService,
-      this._coreService,
-      () => this._fullRefresh()
-    );
-    this._register(toDisposable(() => this._syncOutputHandler.dispose()));
-
-    this._register(this._coreBrowserService.onDprChange(() => this.handleDevicePixelRatioChange()));
+    this._register(coreBrowserService.onDprChange(() => this.handleDevicePixelRatioChange()));
 
     this._register(bufferService.onResize(() => this._fullRefresh()));
     this._register(bufferService.buffers.onBufferActivate(() => this._renderer.value?.clear()));
-    this._register(this._optionsService.onOptionChange(() => this._handleOptionsChanged()));
+    this._register(optionsService.onOptionChange(() => this._handleOptionsChanged()));
     this._register(this._charSizeService.onCharSizeChange(() => this.handleCharSizeChanged()));
 
     // Do a full refresh whenever any decoration is added or removed. This may not actually result
@@ -91,7 +78,7 @@ export class RenderService extends Disposable implements IRenderService {
     this._register(decorationService.onDecorationRemoved(() => this._fullRefresh()));
 
     // Clear the renderer when the a change that could affect glyphs occurs
-    this._register(this._optionsService.onMultipleOptionChange([
+    this._register(optionsService.onMultipleOptionChange([
       'customGlyphs',
       'drawBoldTextInBrightColors',
       'letterSpacing',
@@ -109,15 +96,15 @@ export class RenderService extends Disposable implements IRenderService {
     }));
 
     // Refresh the cursor line when the cursor changes
-    this._register(this._optionsService.onMultipleOptionChange([
+    this._register(optionsService.onMultipleOptionChange([
       'cursorBlink',
       'cursorStyle'
     ], () => this.refreshRows(bufferService.buffer.y, bufferService.buffer.y, true)));
 
     this._register(themeService.onChangeColors(() => this._fullRefresh()));
 
-    this._registerIntersectionObserver(this._coreBrowserService.window, screenElement);
-    this._register(this._coreBrowserService.onWindowChange((w) => this._registerIntersectionObserver(w, screenElement)));
+    this._registerIntersectionObserver(coreBrowserService.window, screenElement);
+    this._register(coreBrowserService.onWindowChange((w) => this._registerIntersectionObserver(w, screenElement)));
   }
 
   private _registerIntersectionObserver(w: Window & typeof globalThis, screenElement: HTMLElement): void {
@@ -150,18 +137,6 @@ export class RenderService extends Disposable implements IRenderService {
       this._needsFullRefresh = true;
       return;
     }
-
-    if (this._coreService.decPrivateModes.synchronizedOutput) {
-      this._syncOutputHandler.bufferRows(start, end);
-      return;
-    }
-
-    const buffered = this._syncOutputHandler.flush();
-    if (buffered) {
-      start = Math.min(start, buffered.start);
-      end = Math.max(end, buffered.end);
-    }
-
     if (!isRedrawOnly) {
       this._isNextRenderRedrawOnly = false;
     }
@@ -173,13 +148,6 @@ export class RenderService extends Disposable implements IRenderService {
       return;
     }
 
-    // Skip rendering if synchronized output mode is enabled. This check must happen here
-    // (in addition to refreshRows) to handle renders that were queued before the mode was enabled.
-    if (this._coreService.decPrivateModes.synchronizedOutput) {
-      this._syncOutputHandler.bufferRows(start, end);
-      return;
-    }
-
     // Since this is debounced, a resize event could have happened between the time a refresh was
     // requested and when this triggers. Clamp the values of start and end to ensure they're valid
     // given the current viewport state.
@@ -315,62 +283,3 @@ export class RenderService extends Disposable implements IRenderService {
     this._renderer.value?.clear();
   }
 }
-
-/**
- * Buffers row refresh requests during synchronized output mode (DEC mode 2026).
- * When the mode is disabled, the accumulated row range is flushed for rendering.
- * A safety timeout ensures rendering occurs even if the end sequence is not received.
- */
-class SynchronizedOutputHandler {
-  private _start: number = 0;
-  private _end: number = 0;
-  private _timeout: number | undefined;
-  private _isBuffering: boolean = false;
-
-  constructor(
-    private readonly _coreBrowserService: ICoreBrowserService,
-    private readonly _coreService: ICoreService,
-    private readonly _onTimeout: () => void
-  ) {}
-
-  public bufferRows(start: number, end: number): void {
-    if (!this._isBuffering) {
-      this._start = start;
-      this._end = end;
-      this._isBuffering = true;
-    } else {
-      this._start = Math.min(this._start, start);
-      this._end = Math.max(this._end, end);
-    }
-
-    if (this._timeout === undefined) {
-      this._timeout = this._coreBrowserService.window.setTimeout(() => {
-        this._timeout = undefined;
-        this._coreService.decPrivateModes.synchronizedOutput = false;
-        this._onTimeout();
-      }, Constants.SYNCHRONIZED_OUTPUT_TIMEOUT_MS);
-    }
-  }
-
-  public flush(): { start: number, end: number } | undefined {
-    if (this._timeout !== undefined) {
-      this._coreBrowserService.window.clearTimeout(this._timeout);
-      this._timeout = undefined;
-    }
-
-    if (!this._isBuffering) {
-      return undefined;
-    }
-
-    const result = { start: this._start, end: this._end };
-    this._isBuffering = false;
-    return result;
-  }
-
-  public dispose(): void {
-    if (this._timeout !== undefined) {
-      this._coreBrowserService.window.clearTimeout(this._timeout);
-      this._timeout = undefined;
-    }
-  }
-}

src/browser/services/SelectionService.ts

@@ -152,14 +152,6 @@ export class SelectionService extends Disposable implements ISelectionService {
     this._register(toDisposable(() => {
       this._removeMouseDownListeners();
     }));
-
-    // Clear selection when resizing vertically. This experience could be improved, this is the
-    // simple option to fix the buggy behavior. https://github.com/xtermjs/xterm.js/issues/5300
-    this._register(this._bufferService.onResize(e => {
-      if (e.rowsChanged) {
-        this.clearSelection();
-      }
-    }));
   }
 
   public reset(): void {

src/browser/tsconfig.json

@@ -7,7 +7,8 @@
     ],
     "outDir": "../../out",
     "types": [
-      "../../node_modules/@types/mocha"
+      "../../node_modules/@types/mocha",
+      "../vs/typings/thenable.d.ts"
     ],
     "baseUrl": "..",
     "paths": {

src/common/InputHandler.test.ts

@@ -2314,7 +2314,7 @@ describe('InputHandler', () => {
     });
     it('DEC privates with set/reset semantic', async () => {
       // initially reset
-      const reset = [1, 6, 9, 12, 45, 66, 1000, 1002, 1003, 1004, 1006, 1016, 47, 1047, 1049, 2004, 2026];
+      const reset = [1, 6, 9, 12, 45, 66, 1000, 1002, 1003, 1004, 1006, 1016, 47, 1047, 1049, 2004];
       for (const mode of reset) {
         await inputHandler.parseP(`\x1b[?${mode}$p`);
         assert.deepEqual(reportStack.pop(), `\x1b[?${mode};2$y`);   // initial reset

src/common/InputHandler.ts

@@ -445,10 +445,7 @@ export class InputHandler extends Disposable implements IInputHandler {
 
     // Log debug data, the log level gate is to prevent extra work in this hot path
     if (this._logService.logLevel <= LogLevelEnum.DEBUG) {
-      this._logService.debug(`parsing data ${typeof data === 'string' ? ` "${data}"` : ` "${Array.prototype.map.call(data, e => String.fromCharCode(e)).join('')}"`}`);
-    }
-    if (this._logService.logLevel === LogLevelEnum.TRACE) {
-      this._logService.trace(`parsing data (codes)`, typeof data === 'string'
+      this._logService.debug(`parsing data${typeof data === 'string' ? ` "${data}"` : ` "${Array.prototype.map.call(data, e => String.fromCharCode(e)).join('')}"`}`, typeof data === 'string'
         ? data.split('').map(e => e.charCodeAt(0))
         : data
       );
@@ -609,7 +606,7 @@ export class InputHandler extends Disposable implements IInputHandler {
         // since an empty cell is only set by fullwidth chars
         bufferRow.addCodepointToCell(this._activeBuffer.x - offset,
           code, chWidth);
-        for (let delta = chWidth - oldWidth; --delta >= 0;) {
+        for (let delta = chWidth - oldWidth; --delta >= 0; ) {
           bufferRow.setCellFromCodepoint(this._activeBuffer.x++, 0, 0, curAttr);
         }
         continue;
@@ -1625,7 +1622,7 @@ export class InputHandler extends Disposable implements IInputHandler {
     const text = bufferRow.getString(x);
     const data = new Uint32Array(text.length * length);
     let idata = 0;
-    for (let itext = 0; itext < text.length;) {
+    for (let itext = 0; itext < text.length; ) {
       const ch = text.codePointAt(itext) || 0;
       data[idata++] = ch;
       itext += ch > 0xffff ? 2 : 1;
@@ -1969,9 +1966,6 @@ export class InputHandler extends Disposable implements IInputHandler {
         case 2004: // bracketed paste mode (https://cirw.in/blog/bracketed-paste)
           this._coreService.decPrivateModes.bracketedPasteMode = true;
           break;
-        case 2026: // synchronized output (https://github.com/contour-terminal/vt-extensions/blob/master/synchronized-output.md)
-          this._coreService.decPrivateModes.synchronizedOutput = true;
-          break;
       }
     }
     return true;
@@ -2200,10 +2194,6 @@ export class InputHandler extends Disposable implements IInputHandler {
         case 2004: // bracketed paste mode (https://cirw.in/blog/bracketed-paste)
           this._coreService.decPrivateModes.bracketedPasteMode = false;
           break;
-        case 2026: // synchronized output (https://github.com/contour-terminal/vt-extensions/blob/master/synchronized-output.md)
-          this._coreService.decPrivateModes.synchronizedOutput = false;
-          this._onRequestRefreshRows.fire(undefined);
-          break;
       }
     }
     return true;
@@ -2298,7 +2288,6 @@ export class InputHandler extends Disposable implements IInputHandler {
     if (p === 1048) return f(p, V.SET); // xterm always returns SET here
     if (p === 47 || p === 1047 || p === 1049) return f(p, b2v(active === alt));
     if (p === 2004) return f(p, b2v(dm.bracketedPasteMode));
-    if (p === 2026) return f(p, b2v(dm.synchronizedOutput));
     return f(p, V.NOT_RECOGNIZED);
   }
 

src/common/TaskQueue.ts

@@ -74,14 +74,14 @@ abstract class TaskQueue implements ITaskQueue {
     let lastDeadlineRemaining = deadline.timeRemaining();
     let deadlineRemaining = 0;
     while (this._i < this._tasks.length) {
-      taskDuration = performance.now();
+      taskDuration = Date.now();
       if (!this._tasks[this._i]()) {
         this._i++;
       }
-      // other than performance.now, performance.now might not be stable (changes on wall clock
-      // changes), this is not an issue here as a clock change during a short running task is very
-      // unlikely in case it still happened and leads to negative duration, simply assume 1 msec
-      taskDuration = Math.max(1, performance.now() - taskDuration);
+      // other than performance.now, Date.now might not be stable (changes on wall clock changes),
+      // this is not an issue here as a clock change during a short running task is very unlikely
+      // in case it still happened and leads to negative duration, simply assume 1 msec
+      taskDuration = Math.max(1, Date.now() - taskDuration);
       longestTask = Math.max(taskDuration, longestTask);
       // Guess the following task will take a similar time to the longest task in this batch, allow
       // additional room to try avoid exceeding the deadline
@@ -116,9 +116,9 @@ export class PriorityTaskQueue extends TaskQueue {
   }
 
   private _createDeadline(duration: number): ITaskDeadline {
-    const end = performance.now() + duration;
+    const end = Date.now() + duration;
     return {
-      timeRemaining: () => Math.max(0, end - performance.now())
+      timeRemaining: () => Math.max(0, end - Date.now())
     };
   }
 }

src/common/TestUtils.test.ts

@@ -3,7 +3,7 @@
  * @license MIT
  */
 
-import { IBufferService, ICoreService, ILogService, IOptionsService, ITerminalOptions, ICoreMouseService, ICharsetService, UnicodeCharProperties, UnicodeCharWidth, IUnicodeService, IUnicodeVersionProvider, LogLevelEnum, IDecorationService, IInternalDecoration, IOscLinkService, type IBufferResizeEvent } from 'common/services/Services';
+import { IBufferService, ICoreService, ILogService, IOptionsService, ITerminalOptions, ICoreMouseService, ICharsetService, UnicodeCharProperties, UnicodeCharWidth, IUnicodeService, IUnicodeVersionProvider, LogLevelEnum, IDecorationService, IInternalDecoration, IOscLinkService } from 'common/services/Services';
 import { UnicodeService } from 'common/services/UnicodeService';
 import { clone } from 'common/Clone';
 import { DEFAULT_OPTIONS } from 'common/services/OptionsService';
@@ -18,9 +18,8 @@ export class MockBufferService implements IBufferService {
   public serviceBrand: any;
   public get buffer(): IBuffer { return this.buffers.active; }
   public buffers: IBufferSet = {} as any;
-  public onResize: Event<IBufferResizeEvent> = new Emitter<IBufferResizeEvent>().event;
+  public onResize: Event<{ cols: number, rows: number }> = new Emitter<{ cols: number, rows: number }>().event;
   public onScroll: Event<number> = new Emitter<number>().event;
-  private readonly _onScroll = new Emitter<number>();
   public isUserScrolling: boolean = false;
   constructor(
     public cols: number,
@@ -28,10 +27,6 @@ export class MockBufferService implements IBufferService {
     optionsService: IOptionsService = new MockOptionsService()
   ) {
     this.buffers = new BufferSet(optionsService, this);
-    // Listen to buffer activation events and automatically fire scroll events
-    this.buffers.onBufferActivate(e => {
-      this._onScroll.fire(e.activeBuffer.ydisp);
-    });
   }
   public scrollPages(pageCount: number): void {
     throw new Error('Method not implemented.');
@@ -71,9 +66,6 @@ export class MockCoreMouseService implements ICoreMouseService {
   public explainEvents(events: CoreMouseEventType): { [event: string]: boolean } {
     throw new Error('Method not implemented.');
   }
-  public consumeWheelEvent(ev: WheelEvent, cellHeight: number, dpr: number): number {
-    return 1;
-  }
 }
 
 export class MockCharsetService implements ICharsetService {
@@ -102,7 +94,6 @@ export class MockCoreService implements ICoreService {
     origin: false,
     reverseWraparound: false,
     sendFocus: false,
-    synchronizedOutput: false,
     wraparound: true
   };
   public onData: Event<string> = new Emitter<string>().event;

src/common/Types.ts

@@ -273,7 +273,6 @@ export interface IDecPrivateModes {
   origin: boolean;
   reverseWraparound: boolean;
   sendFocus: boolean;
-  synchronizedOutput: boolean;
   wraparound: boolean; // defaults: xterm - true, vt100 - false
 }
 

src/common/input/WriteBuffer.ts

@@ -137,7 +137,7 @@ export class WriteBuffer extends Disposable {
    * effectively lowering the redrawing needs, schematically:
    *
    *   macroTask _innerWrite:
-   *     if (performance.now() - (lastTime | 0) < WRITE_TIMEOUT_MS):
+   *     if (Date.now() - (lastTime | 0) < WRITE_TIMEOUT_MS):
    *        schedule microTask _innerWrite(lastTime)
    *     else:
    *        schedule macroTask _innerWrite(0)
@@ -158,7 +158,7 @@ export class WriteBuffer extends Disposable {
    * Note, for pure sync code `lastTime` and `promiseResult` have no meaning.
    */
   protected _innerWrite(lastTime: number = 0, promiseResult: boolean = true): void {
-    const startTime = lastTime || performance.now();
+    const startTime = lastTime || Date.now();
     while (this._writeBuffer.length > this._bufferOffset) {
       const data = this._writeBuffer[this._bufferOffset];
       const result = this._action(data, promiseResult);
@@ -186,7 +186,7 @@ export class WriteBuffer extends Disposable {
          * responsibility to slice hard work), but we can at least schedule a screen update as we
          * gain control.
          */
-        const continuation: (r: boolean) => void = (r: boolean) => performance.now() - startTime >= WRITE_TIMEOUT_MS
+        const continuation: (r: boolean) => void = (r: boolean) => Date.now() - startTime >= WRITE_TIMEOUT_MS
           ? setTimeout(() => this._innerWrite(0, r))
           : this._innerWrite(startTime, r);
 
@@ -202,8 +202,7 @@ export class WriteBuffer extends Disposable {
          * throughput by eval'ing `startTime` upfront pulling at least one more chunk into the
          * current microtask queue (executed before setTimeout).
          */
-        // const continuation: (r: boolean) => void = performance.now() - startTime >=
-        //     WRITE_TIMEOUT_MS
+        // const continuation: (r: boolean) => void = Date.now() - startTime >= WRITE_TIMEOUT_MS
         //   ? r => setTimeout(() => this._innerWrite(0, r))
         //   : r => this._innerWrite(startTime, r);
 
@@ -223,7 +222,7 @@ export class WriteBuffer extends Disposable {
       this._bufferOffset++;
       this._pendingData -= data.length;
 
-      if (performance.now() - startTime >= WRITE_TIMEOUT_MS) {
+      if (Date.now() - startTime >= WRITE_TIMEOUT_MS) {
         break;
       }
     }

src/common/services/BufferService.ts

@@ -7,7 +7,7 @@ import { Disposable } from 'vs/base/common/lifecycle';
 import { IAttributeData, IBufferLine } from 'common/Types';
 import { BufferSet } from 'common/buffer/BufferSet';
 import { IBuffer, IBufferSet } from 'common/buffer/Types';
-import { IBufferService, IOptionsService, type IBufferResizeEvent } from 'common/services/Services';
+import { IBufferService, IOptionsService } from 'common/services/Services';
 import { Emitter } from 'vs/base/common/event';
 
 export const MINIMUM_COLS = 2; // Less than 2 can mess with wide chars
@@ -22,7 +22,7 @@ export class BufferService extends Disposable implements IBufferService {
   /** Whether the user is scrolling (locks the scroll position) */
   public isUserScrolling: boolean = false;
 
-  private readonly _onResize = this._register(new Emitter<IBufferResizeEvent>());
+  private readonly _onResize = this._register(new Emitter<{ cols: number, rows: number }>());
   public readonly onResize = this._onResize.event;
   private readonly _onScroll = this._register(new Emitter<number>());
   public readonly onScroll = this._onScroll.event;
@@ -37,18 +37,15 @@ export class BufferService extends Disposable implements IBufferService {
     this.cols = Math.max(optionsService.rawOptions.cols || 0, MINIMUM_COLS);
     this.rows = Math.max(optionsService.rawOptions.rows || 0, MINIMUM_ROWS);
     this.buffers = this._register(new BufferSet(optionsService, this));
-    this._register(this.buffers.onBufferActivate(e => {
-      this._onScroll.fire(e.activeBuffer.ydisp);
-    }));
   }
 
   public resize(cols: number, rows: number): void {
-    const colsChanged = this.cols !== cols;
-    const rowsChanged = this.rows !== rows;
     this.cols = cols;
     this.rows = rows;
     this.buffers.resize(cols, rows);
-    this._onResize.fire({ cols, rows, colsChanged, rowsChanged });
+    // TODO: This doesn't fire when scrollback changes - add a resize event to BufferSet and forward
+    //       event
+    this._onResize.fire({ cols, rows });
   }
 
   public reset(): void {

src/common/services/CoreMouseService.test.ts

@@ -3,14 +3,13 @@
  * @license MIT
  */
 import { CoreMouseService } from 'common/services/CoreMouseService';
-import { MockCoreService, MockBufferService, MockOptionsService } from 'common/TestUtils.test';
+import { MockCoreService, MockBufferService } from 'common/TestUtils.test';
 import { assert } from 'chai';
 import { ICoreMouseEvent, CoreMouseEventType, CoreMouseButton, CoreMouseAction } from 'common/Types';
 
 // needed mock services
 const bufferService = new MockBufferService(300, 100);
 const coreService = new MockCoreService();
-const optionsService = new MockOptionsService();
 
 function toBytes(s: string | undefined): number[] {
   if (!s) {
@@ -25,20 +24,20 @@ function toBytes(s: string | undefined): number[] {
 
 describe('CoreMouseService', () => {
   it('init', () => {
-    const cms = new CoreMouseService(bufferService, coreService, optionsService);
+    const cms = new CoreMouseService(bufferService, coreService);
     assert.equal(cms.activeEncoding, 'DEFAULT');
     assert.equal(cms.activeProtocol, 'NONE');
   });
   it('default protocols - NONE, X10, VT200, DRAG, ANY', () => {
-    const cms = new CoreMouseService(bufferService, coreService, optionsService);
+    const cms = new CoreMouseService(bufferService, coreService);
     assert.deepEqual(Object.keys((cms as any)._protocols), ['NONE', 'X10', 'VT200', 'DRAG', 'ANY']);
   });
   it('default encodings - DEFAULT, SGR', () => {
-    const cms = new CoreMouseService(bufferService, coreService, optionsService);
+    const cms = new CoreMouseService(bufferService, coreService);
     assert.deepEqual(Object.keys((cms as any)._encodings), ['DEFAULT', 'SGR', 'SGR_PIXELS']);
   });
   it('protocol/encoding setter, reset', () => {
-    const cms = new CoreMouseService(bufferService, coreService, optionsService);
+    const cms = new CoreMouseService(bufferService, coreService);
     cms.activeEncoding = 'SGR';
     cms.activeProtocol = 'ANY';
     assert.equal(cms.activeEncoding, 'SGR');
@@ -50,19 +49,19 @@ describe('CoreMouseService', () => {
     assert.throws(() => { cms.activeProtocol = 'xyz'; }, 'unknown protocol "xyz"');
   });
   it('addEncoding', () => {
-    const cms = new CoreMouseService(bufferService, coreService, optionsService);
+    const cms = new CoreMouseService(bufferService, coreService);
     cms.addEncoding('XYZ', (e: ICoreMouseEvent) => '');
     cms.activeEncoding = 'XYZ';
     assert.equal(cms.activeEncoding, 'XYZ');
   });
   it('addProtocol', () => {
-    const cms = new CoreMouseService(bufferService, coreService, optionsService);
+    const cms = new CoreMouseService(bufferService, coreService);
     cms.addProtocol('XYZ', { events: CoreMouseEventType.NONE, restrict: (e: ICoreMouseEvent) => false });
     cms.activeProtocol = 'XYZ';
     assert.equal(cms.activeProtocol, 'XYZ');
   });
   it('onProtocolChange', () => {
-    const cms = new CoreMouseService(bufferService, coreService, optionsService);
+    const cms = new CoreMouseService(bufferService, coreService);
     const wantedEvents: CoreMouseEventType[] = [];
     cms.onProtocolChange(events => wantedEvents.push(events));
     cms.activeProtocol = 'NONE';
@@ -77,7 +76,7 @@ describe('CoreMouseService', () => {
     let cms: CoreMouseService;
     let reports: string[];
     beforeEach(() => {
-      cms = new CoreMouseService(bufferService, coreService, optionsService);
+      cms = new CoreMouseService(bufferService, coreService);
       reports = [];
       coreService.triggerDataEvent = (data: string, userInput?: boolean) => reports.push(data);
       coreService.triggerBinaryEvent = (data: string) => reports.push(data);

src/common/services/CoreMouseService.ts

@@ -2,7 +2,7 @@
  * Copyright (c) 2019 The xterm.js authors. All rights reserved.
  * @license MIT
  */
-import { IBufferService, ICoreService, ICoreMouseService, IOptionsService } from 'common/services/Services';
+import { IBufferService, ICoreService, ICoreMouseService } from 'common/services/Services';
 import { ICoreMouseProtocol, ICoreMouseEvent, CoreMouseEncoding, CoreMouseEventType, CoreMouseButton, CoreMouseAction } from 'common/Types';
 import { Disposable } from 'vs/base/common/lifecycle';
 import { Emitter } from 'vs/base/common/event';
@@ -174,15 +174,13 @@ export class CoreMouseService extends Disposable implements ICoreMouseService {
   private _activeProtocol: string = '';
   private _activeEncoding: string = '';
   private _lastEvent: ICoreMouseEvent | null = null;
-  private _wheelPartialScroll: number = 0;
 
   private readonly _onProtocolChange = this._register(new Emitter<CoreMouseEventType>());
-  public readonly onProtocolChange = this._onProtocolChange.event;
+  public readonly onProtocolChange =  this._onProtocolChange.event;
 
   constructor(
     @IBufferService private readonly _bufferService: IBufferService,
-    @ICoreService private readonly _coreService: ICoreService,
-    @IOptionsService private readonly _optionsService: IOptionsService
+    @ICoreService private readonly _coreService: ICoreService
   ) {
     super();
     // register default protocols and encodings
@@ -231,49 +229,6 @@ export class CoreMouseService extends Disposable implements ICoreMouseService {
     this.activeProtocol = 'NONE';
     this.activeEncoding = 'DEFAULT';
     this._lastEvent = null;
-    this._wheelPartialScroll = 0;
-  }
-
-  /**
-   * Processes a wheel event, accounting for partial scrolls for trackpad, mouse scrolls.
-   * This prevents hyper-sensitive scrolling in alt buffer.
-   */
-  public consumeWheelEvent(ev: WheelEvent, cellHeight?: number, dpr?: number): number {
-    // Do nothing if it's not a vertical scroll event
-    if (ev.deltaY === 0 || ev.shiftKey) {
-      return 0;
-    }
-
-    if (cellHeight === undefined || dpr === undefined) {
-      return 0;
-    }
-
-    const targetWheelEventPixels = cellHeight / dpr;
-    let amount = this._applyScrollModifier(ev.deltaY, ev);
-
-    if (ev.deltaMode === WheelEvent.DOM_DELTA_PIXEL) {
-      amount /= (targetWheelEventPixels + 0.0); // Prevent integer division
-
-      const isLikelyTrackpad = Math.abs(ev.deltaY) < 50;
-      if (isLikelyTrackpad) {
-        amount *= 0.3;
-      }
-
-      this._wheelPartialScroll += amount;
-      amount = Math.floor(Math.abs(this._wheelPartialScroll)) * (this._wheelPartialScroll > 0 ? 1 : -1);
-      this._wheelPartialScroll %= 1;
-    } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {
-      amount *= this._bufferService.rows;
-    }
-    return amount;
-  }
-
-  private _applyScrollModifier(amount: number, ev: WheelEvent): number {
-    // Multiply the scroll speed when the modifier key is pressed
-    if (ev.altKey || ev.ctrlKey || ev.shiftKey) {
-      return amount * this._optionsService.rawOptions.fastScrollSensitivity * this._optionsService.rawOptions.scrollSensitivity;
-    }
-    return amount * this._optionsService.rawOptions.scrollSensitivity;
   }
 
   /**

src/common/services/CoreService.ts

@@ -22,7 +22,6 @@ const DEFAULT_DEC_PRIVATE_MODES: IDecPrivateModes = Object.freeze({
   origin: false,
   reverseWraparound: false,
   sendFocus: false,
-  synchronizedOutput: false,
   wraparound: true // defaults: xterm - true, vt100 - false
 });
 
@@ -76,8 +75,7 @@ export class CoreService extends Disposable implements ICoreService {
     }
 
     // Fire onData API
-    this._logService.debug(`sending data "${data}"`);
-    this._logService.trace(`sending data (codes)`, () => data.split('').map(e => e.charCodeAt(0)));
+    this._logService.debug(`sending data "${data}"`, () => data.split('').map(e => e.charCodeAt(0)));
     this._onData.fire(data);
   }
 
@@ -85,8 +83,7 @@ export class CoreService extends Disposable implements ICoreService {
     if (this._optionsService.rawOptions.disableStdin) {
       return;
     }
-    this._logService.debug(`sending binary "${data}"`);
-    this._logService.trace(`sending binary (codes)`, () => data.split('').map(e => e.charCodeAt(0)));
+    this._logService.debug(`sending binary "${data}"`, () => data.split('').map(e => e.charCodeAt(0)));
     this._onBinary.fire(data);
   }
 }

src/common/services/Services.ts

@@ -18,7 +18,7 @@ export interface IBufferService {
   readonly buffer: IBuffer;
   readonly buffers: IBufferSet;
   isUserScrolling: boolean;
-  onResize: Event<IBufferResizeEvent>;
+  onResize: Event<{ cols: number, rows: number }>;
   onScroll: Event<number>;
   scroll(eraseAttr: IAttributeData, isWrapped?: boolean): void;
   scrollLines(disp: number, suppressScrollEvent?: boolean): void;
@@ -26,13 +26,6 @@ export interface IBufferService {
   reset(): void;
 }
 
-export interface IBufferResizeEvent {
-  cols: number;
-  rows: number;
-  colsChanged: boolean;
-  rowsChanged: boolean;
-}
-
 export const ICoreMouseService = createDecorator<ICoreMouseService>('CoreMouseService');
 export interface ICoreMouseService {
   serviceBrand: undefined;
@@ -65,11 +58,6 @@ export interface ICoreMouseService {
    * Human readable version of mouse events.
    */
   explainEvents(events: CoreMouseEventType): { [event: string]: boolean };
-
-  /**
-   * Process wheel event taking partial scroll into account.
-   */
-  consumeWheelEvent(ev: WheelEvent, cellHeight?: number, dpr?: number): number;
 }
 
 export const ICoreService = createDecorator<ICoreService>('CoreService');

src/headless/public/Terminal.test.ts

@@ -400,7 +400,6 @@ describe('Headless API Tests', function (): void {
         originMode: false,
         reverseWraparoundMode: false,
         sendFocusMode: false,
-        synchronizedOutputMode: false,
         wraparoundMode: true
       });
     });

src/headless/public/Terminal.ts

@@ -124,7 +124,6 @@ export class Terminal extends Disposable implements ITerminalApi {
       originMode: m.origin,
       reverseWraparoundMode: m.reverseWraparound,
       sendFocusMode: m.sendFocus,
-      synchronizedOutputMode: m.synchronizedOutput,
       wraparoundMode: m.wraparound
     };
   }

src/vs/README.md

@@ -16,7 +16,7 @@ node ./bin/vs_base_find_unused.js
 
 The last step is to do a once over of the resulting bundled xterm.js file to ensure it isn't too large:
 
-1. Run `npm run esbuild`
+1. Run `yarn esbuild`
 2. Open up `xterm.mjs`
 3. Search for `src/vs/base/`
 

src/vs/base/common/async.ts

@@ -124,7 +124,7 @@ export function raceTimeout<T>(promise: Promise<T>, timeout: number, onTimeout?:
 	]);
 }
 
-export function asPromise<T>(callback: () => T | PromiseLike<T>): Promise<T> {
+export function asPromise<T>(callback: () => T | Thenable<T>): Promise<T> {
 	return new Promise<T>((resolve, reject) => {
 		const item = callback();
 		if (isThenable<T>(item)) {

src/vs/typings/thenable.d.ts

@@ -0,0 +1,12 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+/**
+ * Thenable is a common denominator between ES6 promises, Q, jquery.Deferred, WinJS.Promise,
+ * and others. This API makes no assumption about what promise library is being used which
+ * enables reusing existing code without migrating to a specific promise implementation. Still,
+ * we recommend the use of native promises which are available in VS Code.
+ */
+interface Thenable<T> extends PromiseLike<T> { }

test/playwright/SharedRendererTests.ts

@@ -5,9 +5,8 @@
 
 import { IImage32, decodePng } from '@lunapaint/png-codec';
 import { LocatorScreenshotOptions, test } from '@playwright/test';
-import { ITheme, type ITerminalOptions } from '@xterm/xterm';
-import { ITestContext, MaybeAsync, openTerminal, pollFor, pollForApproximate, timeout } from './TestUtils';
-import { notDeepStrictEqual } from 'node:assert';
+import { ITheme } from '@xterm/xterm';
+import { ITestContext, MaybeAsync, openTerminal, pollFor, pollForApproximate } from './TestUtils';
 
 export interface ISharedRendererTestContext {
   value: ITestContext;
@@ -1268,80 +1267,6 @@ export function injectSharedRendererTests(ctx: ISharedRendererTestContext): void
       await pollFor(ctx.value.page, () => getCellColor(ctx.value, 1, 1), [128, 0, 0, 255]);
     });
   });
-
-  // TODO: These tests are a little too flaky atm
-  test.describe.skip('synchronized output', () => {
-    test.beforeEach(async () => {
-      const theme: ITheme = {
-        background: '#000000FF',
-
-        red: '#FF0000FF',
-        green: '#00FF00FF',
-        blue: '#0000FFFF'
-      };
-      const options: ITerminalOptions = {}
-      await ctx.value.page.evaluate(`
-        window.term.options.theme = ${JSON.stringify(theme)};
-        window.term.options.cursorStyle = 'underline';
-      `);
-    });
-    test('defers rendering until ESU', async () => {
-      await ctx.value.proxy.write('\x1b[?2026h'); // BSU
-      await ctx.value.proxy.write('\x1b[31m■');
-      await pollFor(ctx.value.page, () => getCellColor(ctx.value, 1, 1), [255, 0, 0, 255], undefined, {
-        equalityFn: (a, b) => {
-          return !(a[0] === b[0] && a[1] === b[1] && a[2] === b[2] && a[3] === b[3]);
-        }
-      });
-      await ctx.value.proxy.write('\x1b[?2026l'); // ESU
-      frameDetails = undefined;
-      await pollFor(ctx.value.page, () => getCellColor(ctx.value, 1, 1), [255, 0, 0, 255]);
-    });
-
-    test('batches multiple writes', async () => {
-      await ctx.value.proxy.write('\x1b[?2026h'); // BSU
-      await ctx.value.proxy.write('\x1b[31m■\x1b[32m■\x1b[34m■');
-      await pollFor(ctx.value.page, () => getCellColor(ctx.value, 1, 1), [255, 0, 0, 255], undefined, {
-        equalityFn: (a, b) => {
-          return !(a[0] === b[0] && a[1] === b[1] && a[2] === b[2] && a[3] === b[3]);
-        }
-      });
-      await ctx.value.proxy.write('\x1b[?2026l'); // ESU
-      frameDetails = undefined;
-      await pollFor(ctx.value.page, () => getCellColor(ctx.value, 1, 1), [255, 0, 0, 255]);
-      await pollFor(ctx.value.page, () => getCellColor(ctx.value, 2, 1), [0, 255, 0, 255]);
-      await pollFor(ctx.value.page, () => getCellColor(ctx.value, 3, 1), [0, 0, 255, 255]);
-    });
-
-    test('nested BSU is idempotent', async () => {
-      await ctx.value.proxy.write('\x1b[?2026h'); // BSU
-      await ctx.value.proxy.write('\x1b[31m■');
-      await ctx.value.proxy.write('\x1b[?2026h'); // BSU
-      await ctx.value.proxy.write('\x1b[32m■');
-      await pollFor(ctx.value.page, () => getCellColor(ctx.value, 1, 1), [255, 0, 0, 255], undefined, {
-        equalityFn: (a, b) => {
-          return !(a[0] === b[0] && a[1] === b[1] && a[2] === b[2] && a[3] === b[3]);
-        }
-      });
-      await ctx.value.proxy.write('\x1b[?2026l'); // ESU
-      frameDetails = undefined;
-      await pollFor(ctx.value.page, () => getCellColor(ctx.value, 1, 1), [255, 0, 0, 255]);
-      await pollFor(ctx.value.page, () => getCellColor(ctx.value, 2, 1), [0, 255, 0, 255]);
-    });
-
-    test('timeout flushes without ESU', async () => {
-      await ctx.value.proxy.write('\x1b[?2026h'); // BSU
-      await ctx.value.proxy.write('\x1b[31m■');
-      await pollFor(ctx.value.page, () => getCellColor(ctx.value, 1, 1), [255, 0, 0, 255], undefined, {
-        equalityFn: (a, b) => {
-          return !(a[0] === b[0] && a[1] === b[1] && a[2] === b[2] && a[3] === b[3]);
-        }
-      });
-      await ctx.value.page.waitForTimeout(1000); // Timeout hard coded
-      frameDetails = undefined;
-      await pollFor(ctx.value.page, () => getCellColor(ctx.value, 1, 1), [255, 0, 0, 255]);
-    });
-  });
 }
 
 enum CellColorPosition {
@@ -1355,10 +1280,10 @@ enum CellColorPosition {
  * treatment.
  */
 export function injectSharedRendererTestsStandalone(ctx: ISharedRendererTestContext, setupCb: () => Promise<void> | void): void {
-  const setupTests = ({ shadowDom }: { shadowDom: boolean }): void => {
+  test.describe('standalone tests', () => {
     test.beforeEach(async () => {
       // Recreate terminal
-      await openTerminal(ctx.value, {}, { useShadowDom: shadowDom });
+      await openTerminal(ctx.value);
       await ctx.value.page.evaluate(`
         window.term.options.minimumContrastRatio = 1;
         window.term.options.allowTransparency = false;
@@ -1383,13 +1308,6 @@ export function injectSharedRendererTestsStandalone(ctx: ISharedRendererTestCont
         await pollFor(ctx.value.page, () => getCellColor(ctx.value, 1, 1), [0, 0, 0, 255]);
       });
     });
-  };
-
-  test.describe('standalone tests', () => {
-    setupTests({ shadowDom: false });
-  });
-  test.describe('standalone tests (Shadow dom)', () => {
-    setupTests({ shadowDom: true });
   });
 }
 
@@ -1399,9 +1317,9 @@ export function injectSharedRendererTestsStandalone(ctx: ISharedRendererTestCont
  * @param col The 1-based column index to get the color for.
  * @param row The 1-based row index to get the color for.
  */
-async function getCellColor(ctx: ITestContext, col: number, row: number, position: CellColorPosition = CellColorPosition.CENTER): Promise<[red: number, green: number, blue: number, alpha: number]> {
+function getCellColor(ctx: ITestContext, col: number, row: number, position: CellColorPosition = CellColorPosition.CENTER): MaybeAsync<[red: number, green: number, blue: number, alpha: number]> {
   if (!frameDetails) {
-    frameDetails = await getFrameDetails(ctx);
+    return getFrameDetails(ctx).then(frameDetails => getCellColorInner(frameDetails, col, row));
   }
   switch (position) {
     case CellColorPosition.CENTER:

test/playwright/Terminal.test.ts

@@ -609,7 +609,6 @@ test.describe('API Integration Tests', () => {
         originMode: false,
         reverseWraparoundMode: false,
         sendFocusMode: false,
-        synchronizedOutputMode: false,
         wraparoundMode: true
       });
     });

test/playwright/TestUtils.ts

@@ -412,14 +412,7 @@ class TerminalCoreProxy {
   }
 }
 
-export async function openTerminal(
-  ctx: ITestContext,
-  options: ITerminalOptions | ITerminalInitOnlyOptions = {},
-  testOptions: { useShadowDom?: boolean, loadUnicodeGraphemesAddon?: boolean } = {}
-): Promise<void> {
-  testOptions.useShadowDom ??= false;
-  testOptions.loadUnicodeGraphemesAddon ??= true;
-
+export async function openTerminal(ctx: ITestContext, options: ITerminalOptions | ITerminalInitOnlyOptions = {}, testOptions: { loadUnicodeGraphemesAddon: boolean } = { loadUnicodeGraphemesAddon: true }): Promise<void> {
   await ctx.page.evaluate(`
   if ('term' in window) {
     try {
@@ -430,45 +423,10 @@ export async function openTerminal(
   // HACK: Tests may have side effects that could cause the terminal not to be removed. This
   //       assertion catches this case early.
   strictEqual(await ctx.page.evaluate(`document.querySelector('#terminal-container').children.length`), 0, 'there must be no terminals on the page');
-
-  let script = `
+  await ctx.page.evaluate(`
     window.term = new window.Terminal(${JSON.stringify({ allowProposedApi: true, ...options })});
-    let element = document.querySelector('#terminal-container');
-
-    // Remove shadow root if it exists
-    const newElement = element.cloneNode(false);
-    element.replaceWith(newElement);
-    element = newElement
-`;
-
-
-  if (testOptions.useShadowDom) {
-    script += `
-    const shadowRoot = element.attachShadow({ mode: "open" });
-
-    // Copy parent styles to shadow DOM
-    const styles = Array.from(document.querySelectorAll('link[rel="stylesheet"]'));
-    styles.forEach((styleEl) => {
-      const clone = document.createElement('link');
-      clone.rel = 'stylesheet';
-      clone.href = styleEl.href;
-      shadowRoot.appendChild(clone);
-    });
-
-    // Create new element inside the shadow DOM
-    element = document.createElement('div');
-    element.style.width = '100%';
-    element.style.height = '100%';
-    shadowRoot.appendChild(element);
-    `;
-  }
-
-  script += `
-    window.term.open(element);
-  `;
-
-  await ctx.page.evaluate(script);
-
+    window.term.open(document.querySelector('#terminal-container'));
+  `);
   // HACK: This is a soft layer breaker that's temporarily included until unicode graphemes have
   // more complete integration tests. See https://github.com/xtermjs/xterm.js/pull/4519#discussion_r1285234453
   if (testOptions.loadUnicodeGraphemesAddon) {

typings/xterm-headless.d.ts

@@ -1370,13 +1370,6 @@ declare module '@xterm/headless' {
      * Send FocusIn/FocusOut events: `CSI ? 1 0 0 4 h`
      */
     readonly sendFocusMode: boolean;
-    /**
-     * Synchronized Output Mode: `CSI ? 2 0 2 6 h`
-     *
-     * When enabled, output is buffered and only rendered when the mode is
-     * disabled, allowing for atomic screen updates without tearing.
-     */
-    readonly synchronizedOutputMode: boolean;
     /**
      * Auto-Wrap Mode (DECAWM): `CSI ? 7 h`
      */

typings/xterm.d.ts

@@ -107,6 +107,13 @@ declare module '@xterm/xterm' {
      */
     drawBoldTextInBrightColors?: boolean;
 
+    /**
+     * The modifier key hold to multiply scroll speed.
+     * @deprecated This option is no longer available and will always use alt.
+     * Setting this will be ignored.
+     */
+    fastScrollModifier?: 'none' | 'alt' | 'ctrl' | 'shift';
+
     /**
      * The scroll speed multiplier used for fast scrolling when `Alt` is held.
      */
@@ -284,6 +291,25 @@ declare module '@xterm/xterm' {
      */
     theme?: ITheme;
 
+    /**
+     * Whether "Windows mode" is enabled. Because Windows backends winpty and
+     * conpty operate by doing line wrapping on their side, xterm.js does not
+     * have access to wrapped lines. When Windows mode is enabled the following
+     * changes will be in effect:
+     *
+     * - Reflow is disabled.
+     * - Lines are assumed to be wrapped if the last character of the line is
+     *   not whitespace.
+     *
+     * When using conpty on Windows 11 version >= 21376, it is recommended to
+     * disable this because native text wrapping sequences are output correctly
+     * thanks to https://github.com/microsoft/terminal/issues/405
+     *
+     * @deprecated Use {@link windowsPty}. This value will be ignored if
+     * windowsPty is set.
+     */
+    windowsMode?: boolean;
+
     /**
      * Compatibility information when the pty is known to be hosted on Windows.
      * Setting this will turn on certain heuristics/workarounds depending on the
@@ -1942,13 +1968,6 @@ declare module '@xterm/xterm' {
      * Send FocusIn/FocusOut events: `CSI ? 1 0 0 4 h`
      */
     readonly sendFocusMode: boolean;
-    /**
-     * Synchronized Output Mode: `CSI ? 2 0 2 6 h`
-     *
-     * When enabled, output is buffered and only rendered when the mode is
-     * disabled, allowing for atomic screen updates without tearing.
-     */
-    readonly synchronizedOutputMode: boolean;
     /**
      * Auto-Wrap Mode (DECAWM): `CSI ? 7 h`
      */

webpack.config.headless.js

@@ -7,9 +7,9 @@ const path = require('path');
 
 /**
  * This webpack config does a production build for xterm.js headless. It works by taking the output
- * from tsc (via `npm run watch` or `npm run prebuild`) which are put into `out/` and webpacks them
- * into a production mode umd library module in `lib-headless/`. The aliases are used fix up the
- * absolute paths output by tsc (because of `baseUrl` and `paths` in `tsconfig.json`.
+ * from tsc (via `yarn watch` or `yarn prebuild`) which are put into `out/` and webpacks them into a
+ * production mode umd library module in `lib-headless/`. The aliases are used fix up the absolute
+ * paths output by tsc (because of `baseUrl` and `paths` in `tsconfig.json`.
  *
  * @type {import('webpack').Configuration}
  */

webpack.config.js

@@ -9,7 +9,7 @@ const path = require('path');
 
 /**
  * This webpack config does a production build for xterm.js. It works by taking the output from tsc
- * (via `npm run watch` or `npm run prebuild`) which are put into `out/` and webpacks them into a
+ * (via `yarn watch` or `yarn prebuild`) which are put into `out/` and webpacks them into a
  * production mode umd library module in `lib/`. The aliases are used fix up the absolute paths
  * output by tsc (because of `baseUrl` and `paths` in `tsconfig.json`.
  *