fix(parser): WASM scratch layout and scan cache for chunked parse

Place parser state above the linked transition table so scans emit ops correctly, and preserve or clear the WASM scan cache across nested and reused parse buffers. Co-authored-by: Cursor <cursoragent@cursor.com>
fix(parser): chunked WASM scan, op coalescing, and benchmark runtime paths
2026-05-31 15:31:23 -07:00 · 2026-05-31 15:06:00 -07:00 · 2026-05-31 21:35:02 +00:00 · 2026-05-31 11:57:36 -07:00 · 2026-05-31 10:52:07 -07:00 · 2026-05-31 10:13:17 -07:00
386 changed files with 7051 additions and 3629 deletions
@@ -25,4 +25,4 @@ When writing benchmark instructions:
 ## Notes
 - Benchmarks run from built JS in `out-test/benchmark/*.benchmark.js`.
- Keep `NODE_PATH=./out` (handled by the npm script).
+- Benchmark sources import compiled modules from `../../out/common/` and `../../out/browser/` (run `npm run build` first).
@@ -17,6 +17,7 @@ docs/
 npm-debug.log
 /.idea/
 .env
 mise.toml
 build/
 .DS_Store
 yarn.lock
@@ -0,0 +1,372 @@
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@@ -0,0 +1,120 @@
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@@ -15,9 +15,6 @@
        "--recursive",
        "${workspaceRoot}/out/**/*.test.js"
      ],
      "env": {
        "NODE_PATH": "${workspaceRoot}/out"
      },
      "sourceMaps": true,
      "outFiles": [ "${workspaceRoot}/out/**/*.js" ],
      "internalConsoleOptions": "openOnSessionStart"
@@ -26,6 +26,7 @@ npm run build && npm run esbuild # Build all TypeScript and bundle
 - Integration tests: `npm run test-integration` (Playwright across Chrome/Firefox/WebKit)
 - Integration tests by file: `npm run test-integration -- test/playwright/InputHandler.test.ts`. Never use grep to filter tests, it doesn't work
 - Integration tests by addon: `npm run test-integration -- --suite=addon-search`. Suites always follow the format `addon-<something>`
 - Lint: `npm run lint` (oxlint with type-aware rules, then ESLint for `naming-convention` only), `npm run lint-api` for `typings/`, `npm run lint-fix` for oxlint auto-fix
 - Lint changes: `npm run lint-changes` to lint only changed files, `npm run lint-changes-fix` to fix them
 ## Addon Development Pattern
@@ -98,3 +99,15 @@ const cell = line?.getCell(0);
 ## Writing unit tests
 - Unit tests live alongside the source code file of the thing it's testing with a .test.ts suffix.
 ## Cursor Cloud specific instructions
 **Demo server**: Start with `npm start` (port 3000). The demo server uses node-pty to spawn real shell sessions over WebSocket. Integration tests auto-start it via Playwright's `webServer` config, so you don't need to start it manually for `npm run test-integration`.
 **Build before testing**: Always run `npm run build && npm run esbuild` before `npm run test-unit`. Integration tests also need `npm run esbuild-demo-client` and `npm run esbuild-demo-server`. The update script handles this automatically on session start.
 **No external services**: This project has zero external dependencies (no databases, Docker, or APIs). Everything runs locally with Node.js.
 **TypeScript compiler**: The project uses `tsgo` (native TypeScript compiler preview) rather than standard `tsc`. It's installed via the `@typescript/native-preview` package.
 **Lint only changed files**: Prefer `npm run lint-changes` over `npm run lint` when iterating on code changes — it's significantly faster.
@@ -1,6 +1,7 @@
 ## @xterm/addon-image
-Inline image output in xterm.js. Supports SIXEL and iTerm's inline image protocol (IIP).
+Inline image output in xterm.js. Supports SIXEL, iTerm's inline image protocol (IIP)
 and partially Kitty's terminal graphics prtocol (TGP).
 ![](fixture/example.png)
@@ -43,9 +44,6 @@ terminal.loadAddon(imageAddon);
 ### General Notes
 - *IMPORTANT:* The worker approach as done in previous releases got removed.
  The addon contructor no longer expects a worker path as first argument.
 - By default the addon will activate these `windowOptions` reports on the terminal:
  - getWinSizePixels (CSI 14 t)
  - getCellSizePixels (CSI 16 t)
@@ -73,7 +71,7 @@ terminal.loadAddon(imageAddon);
 - **Cursor Positioning**  
  If scrolling is set, the cursor will be placed at the first image column of the last image row (VT340 mode).
-  Other cursor positioning modes as used by xterm or mintty are not supported.
+  Other cursor positioning modes as used by xterm or mintty are not supported for sixel.
 - **SIXEL Palette Handling**  
  By default the addon limits the palette size to 256 registers (as demanded by the DEC specification).
@@ -100,17 +98,24 @@ terminal.loadAddon(imageAddon);
  Set by default, change it with `{iipSupport: true}`.
  The IIP implementation has the following features / restrictions (sequence will silently fail for unmet conditions):
-  - Supported formats: PNG, JPEG and GIF
+  - Supported formats: PNG, JPEG, GIF and QOI
  - No animation support.
  - Image type hinting is not supported (always deducted from data header).
  - File download is not supported.
  - Filename gets parsed but not used.
  - Strict base64 handling as of RFC4648 §4 (standard alphabet, optional padding, no separator bytes allowed).
  - Payload size may not exceed CEIL(sizeParameter * 4 / 3).
  - Image scaling beyond terminal viewport size is allowed (e.g. `width=200%`).
  - Image pixel size is restricted by `pixelLimit` (pre- and post resizing).
-  - Size parameter is restricted by `iipSizeLimit`.
+  - Playload size is restricted by `iipSizeLimit`.
-  - Cursor positioning behaves the same as for sixel (see above).
+  - size parameter is not mandatory anymore.
  - Cursor gets positioned at the next cell of the last image line.
  - ReportCellSize sequence is supported.
  - Hi-res display support is currently limited (image gets blurred).
 - **Kitty Graphics Support (TGP)**  
  Set by default, change it with `{kittySupport: true}`.
  Note that the kitty graphics support is still WIP.
 ### Storage and Drawing Settings
@@ -127,6 +132,7 @@ The addon exposes two properties to interact with the storage limits at runtime:
 By default the addon will show a placeholder pattern for evicted images that are still part
 of the terminal (e.g. in the scrollback). The pattern can be deactivated by toggling `showPlaceholder`.
 ### Image Data Retrieval
 The addon provides the following API endpoints to retrieve raw image data as canvas:
@@ -140,6 +146,7 @@ The addon provides the following API endpoints to retrieve raw image data as can
  The buffer position is the 0-based absolute index (including scrollback at top).
  Note that the canvas gets created and data copied over for every call, thus it is not suitable for performance critical actions.
 ### Memory Usage
 The addon does most image processing in Javascript and therefore can occupy a rather big amount of memory. To get an idea where the memory gets eaten, lets look at the data flow and processing steps:
@@ -180,8 +187,8 @@ _How can I adjust the memory usage?_
  A constructor setting, thus you would have to anticipate, whether (multiple) terminals in your page gonna do lots of concurrent decoding. Since this is normally not the case and the memory usage is only temporarily peaking, a rather high value should work even with multiple terminals in one page.
 - `storageLimit`  
  A constructor and a runtime setting. In conjunction with `storageUsage` you can do runtime checks and adjust the limit to your needs. If you have to lower the limit below the current usage, images will be removed in FIFO order and may turn into a placeholder in the terminal's scrollback (if `showPlaceholder` is set). When adjusting keep in mind to leave enough room for memory peaking for decoding.
- `sixelSizeLimit`  
+- `sixelSizeLimit | iipSizeLimit | kittySizeLimit`  
-  A constructor setting. This has only a small impact on peaking memory during decoding. It is meant to avoid processing of overly big or broken SIXEL sequences at an earlier phase, thus may stop the decoder from entering its memory intensive task for potentially invalid data.
+  Constructor settings. This has only a small impact on peaking memory during decoding. It is meant to avoid processing of overly big or broken image sequences at an earlier phase, thus may stop the invoked decoders from entering memory intensive tasks for potentially invalid data.
 ### Terminal Interaction
@@ -211,23 +218,5 @@ _How can I adjust the memory usage?_
 ### Status
- Sixel support and image handling in xterm.js is considered beta quality.
+- Sixel and IIP support and image handling in xterm.js is considered beta quality.
- IIP support is in alpha stage. Please file a bug for any awkwardities.
+- Kitty support is in alpha stage. Please file a bug for any awkwardities or missing features.
 ### Changelog
 - 0.5.0 integrate with xtermjs base repo (at v0.4.3)
 - 0.4.3 defer canvas creation
 - 0.4.2 fix image canvas resize
 - 0.4.1 compat release for xterm.js 5.2.0
 - 0.4.0 IIP support
 - 0.3.1 compat release for xterm.js 5.1.0
 - 0.3.0 important change: worker removed from addon
 - 0.2.0 compat release for xterm.js 5.0.0
 - 0.1.3 bugfix: avoid striping
 - 0.1.2 bugfix: reset clear flag
 - 0.1.1 bugfixes:
  - clear sticky image tiles on render
  - create folder from bootstrap.sh
  - fix peer dependency in package.json
@@ -8,7 +8,7 @@ import { IIPImageStorage } from './IIPImageStorage';
 import { CELL_SIZE_DEFAULT } from './ImageStorage';
 import Base64Decoder from 'xterm-wasm-parts/lib/base64/Base64Decoder.wasm';
 import QoiDecoder from 'xterm-wasm-parts/lib/qoi/QoiDecoder.wasm';
-import { HeaderParser, IHeaderFields, HeaderState } from './IIPHeaderParser';
+import { HeaderParser, IHeaderFields, HeaderState, SequenceType } from './IIPHeaderParser';
 import { imageType, UNSUPPORTED_TYPE } from './IIPMetrics';
 // Local const enum mirror - esbuild can't inline const enums from external packages
@@ -23,6 +23,7 @@ const enum DecoderConst {
 // default IIP header values
 const DEFAULT_HEADER: IHeaderFields = {
  type: SequenceType.INVALID,
  name: 'Unnamed file',
  size: 0,
  width: 'auto',
@@ -39,6 +40,8 @@ export class IIPHandler implements IOscHandler, IResetHandler {
  private _dec: Base64Decoder;
  private _qoiDec: QoiDecoder;
  private _metrics = UNSUPPORTED_TYPE;
  private _isMultipart = false;
  private _abortMulti = false;
  constructor(
    private readonly _opts: IImageAddonOptions,
@@ -52,11 +55,14 @@ export class IIPHandler implements IOscHandler, IResetHandler {
    this._qoiDec = new QoiDecoder(DecoderConst.KEEP_DATA);
  }
-  public reset(): void {}
+  public reset(): void {
    this._hp.reset();
    this._dec.release();
    this._qoiDec.release();
  }
  public start(): void {
    this._aborted = false;
    this._header = DEFAULT_HEADER;
    this._metrics  = UNSUPPORTED_TYPE;
    this._hp.reset();
  }
@@ -76,15 +82,27 @@ export class IIPHandler implements IOscHandler, IResetHandler {
        return;
      }
      if (dataPos > 0) {
-        this._header = Object.assign({}, DEFAULT_HEADER, this._hp.fields);
+        const seqType = this._hp.fields.type;
-        if (!this._header.inline || !this._header.size || this._header.size > this._opts.iipSizeLimit) {
+        if (seqType === SequenceType.FILE) {
          if (this._isMultipart) {
            this._isMultipart = false;
            this._abortMulti = false;
            this._dec.release();
          }
          this._header = Object.assign({}, DEFAULT_HEADER, this._hp.fields);
          if (!this._header.inline) {
            this._aborted = true;
            return;
          }
          this._dec.init();
        } else if (this._abortMulti) {
          this._aborted = true;
          return;
        }
        this._dec.init();
        if ((this._dec.put(data.subarray(dataPos, end)) as number) !== DecoderConst.OK) {
          this._dec.release();
          this._aborted = true;
          if (this._isMultipart) this._abortMulti = true;
        }
      }
    }
@@ -93,22 +111,58 @@ export class IIPHandler implements IOscHandler, IResetHandler {
  public end(success: boolean): boolean | Promise<boolean> {
    if (this._aborted) return true;
    if (this._hp.state !== HeaderState.END) {
      if (this._hp.end()) return true;
    }
    const seqType = this._hp.fields.type;
    if (seqType === SequenceType.FILEPART) return true;
    if (seqType === SequenceType.REPORTCELLSIZE) {
      // OSC 1337 ; ReportCellSize=[height];[width];[scale] ST
      let width = CELL_SIZE_DEFAULT.width;
      let height = CELL_SIZE_DEFAULT.height;
      if (this._renderer.dimensions) {
        width = this._renderer.dimensions.css.canvas.width / this._coreTerminal.cols;
        height = this._renderer.dimensions.css.canvas.height / this._coreTerminal.rows;
      }
      const scale = this._coreTerminal._core._coreBrowserService?.dpr ?? 1;
      const report = `\x1b]1337;ReportCellSize=${height.toFixed(3)};${width.toFixed(3)};${scale.toFixed(3)}\x1b\\`;
      this._coreTerminal.input(report, false);
      return true;
    }
    if (seqType === SequenceType.MULTIPARTFILE) {
      this._header = Object.assign({}, DEFAULT_HEADER, this._hp.fields);
      this._isMultipart = true;
      this._abortMulti = false;
      this._dec.release();
      this._dec.init();
      return true;
    }
    if (seqType === SequenceType.FILEEND) {
      if (!this._isMultipart) return true;
      this._isMultipart = false;
      if (this._abortMulti || this._header.type !== SequenceType.MULTIPARTFILE) return true;
    }
    // fallthrough for SequenceType.FILE & SequenceType.FILEEND
    let w = 0;
    let h = 0;
    // early exit condition chain
-    let cond: number | boolean = true;
+    let cond: number | boolean;
    if (cond = success) {
      if (cond = !this._dec.end()) {
-        if (cond = this._dec.data8.length === this._header.size) {
+        this._metrics = imageType(this._dec.data8);
-          this._metrics = imageType(this._dec.data8);
+        if (cond = this._metrics.mime !== 'unsupported') {
-          if (cond = this._metrics.mime !== 'unsupported') {
+          w = this._metrics.width;
-            w = this._metrics.width;
+          h = this._metrics.height;
-            h = this._metrics.height;
+          if (cond = w && h && w * h < this._opts.pixelLimit) {
-            if (cond = w && h && w * h < this._opts.pixelLimit) {
+            [w, h] = this._resize(w, h).map(Math.floor);
-              [w, h] = this._resize(w, h).map(Math.floor);
+            cond = w && h && w * h < this._opts.pixelLimit;
              cond = w && h && w * h < this._opts.pixelLimit;
            }
          }
        }
      }
@@ -4,19 +4,20 @@
 */
 import { assert } from 'chai';
-import { HeaderParser, HeaderState, IHeaderFields } from './IIPHeaderParser';
+import { HeaderParser, HeaderState, IHeaderFields, SequenceType } from './IIPHeaderParser';
 const CASES: [string, IHeaderFields][] = [
-  ['File=size=123456;name=dGVzdA==:', {name: 'test', size: 123456}],
+  ['File=size=123456;name=dGVzdA==:', {type: SequenceType.FILE, name: 'test', size: 123456}],
-  ['File=size=123456;name=dGVzdA:', {name: 'test', size: 123456}],
+  ['File=size=123456;name=dGVzdA:', {type: SequenceType.FILE, name: 'test', size: 123456}],
  // utf-8 encoding in name
-  ['File=size=123456;name=w7xtbMOkdXTDnw==:', {name: 'ümläutß', size: 123456}],
+  ['File=size=123456;name=w7xtbMOkdXTDnw==:', {type: SequenceType.FILE, name: 'ümläutß', size: 123456}],
-  ['File=size=123456;name=w7xtbMOkdXTDnw:', {name: 'ümläutß', size: 123456}],
+  ['File=size=123456;name=w7xtbMOkdXTDnw:', {type: SequenceType.FILE, name: 'ümläutß', size: 123456}],
  // full header spec
  [
    'File=inline=1;width=10px;height=20%;preserveAspectRatio=1;size=123456;name=w7xtbMOkdXTDnw:',
    {
      type: SequenceType.FILE,
      inline: 1,
      width: '10px',
      height: '20%',
@@ -28,6 +29,7 @@ const CASES: [string, IHeaderFields][] = [
  [
    'File=inline=1;width=auto;height=20;preserveAspectRatio=1;size=123456;name=w7xtbMOkdXTDnw:',
    {
      type: SequenceType.FILE,
      inline: 1,
      width: 'auto',
      height: '20',
@@ -101,7 +103,7 @@ describe('IIPHeaderParser', () => {
    let res = hp.parse(inp, 0, inp.length);
    assert.strictEqual(res, inp.length);
    assert.strictEqual(hp.state, HeaderState.END);
-    assert.deepEqual(hp.fields, {name: 'test', size: 0});
+    assert.deepEqual(hp.fields, {type: SequenceType.FILE, name: 'test', size: 0});
    hp.reset();
    inp = fromBs(CASES[0][0]);
    res = hp.parse(inp, 0, inp.length);
@@ -115,7 +117,7 @@ describe('IIPHeaderParser', () => {
    let res = hp.parse(inp, 0, inp.length);
    assert.strictEqual(res, inp.length);
    assert.strictEqual(hp.state, HeaderState.END);
-    assert.deepEqual(hp.fields, {name: '', size: 123456});
+    assert.deepEqual(hp.fields, {type: SequenceType.FILE, name: '', size: 123456});
    hp.reset();
    inp = fromBs(CASES[0][0]);
    res = hp.parse(inp, 0, inp.length);
@@ -135,4 +137,124 @@ describe('IIPHeaderParser', () => {
    assert.strictEqual(hp.state, HeaderState.END);
    assert.deepEqual(hp.fields, CASES[0][1]);
  });
  it('FilePart sequence', () => {
    const hp = new HeaderParser();
    const inp = fromBs('FilePart=w7xtbMOkdXTDnw');
    const res = hp.parse(inp, 0, inp.length);
    assert.strictEqual(res, 9);
    assert.strictEqual(hp.state, HeaderState.END);
    assert.deepEqual(hp.fields.type, SequenceType.FILEPART);
  });
  it('FilePart sequence - bytewise', () => {
    const hp = new HeaderParser();
    const inp = fromBs('FilePart=w7xtbMOkdXTDnw');
    let res = -2;
    let pos = 0;
    while (res === -2 && pos < inp.length) {
      res = hp.parse(new Uint32Array([inp[pos++]]), 0, 1);
    }
    assert.strictEqual(res, 1);
    assert.strictEqual(hp.state, HeaderState.END);
    assert.deepEqual(hp.fields.type, SequenceType.FILEPART);
  });
  it('MultipartFile sequence', () => {
    const hp = new HeaderParser();
    const inp = fromBs('MultipartFile=inline=1;width=10px;height=20%;preserveAspectRatio=1;size=123456;name=w7xtbMOkdXTDnw');
    let res = hp.parse(inp, 0, inp.length);
    assert.strictEqual(res, -2);
    assert.strictEqual(hp.state, HeaderState.VALUE);
    res = hp.end();
    assert.strictEqual(res, 0);
    assert.strictEqual(hp.state, HeaderState.END);
    assert.deepEqual(
      hp.fields,
      {
        type: SequenceType.MULTIPARTFILE,
        inline: 1,
        width: '10px',
        height: '20%',
        preserveAspectRatio: 1,
        size: 123456,
        name: 'ümläutß'
      }
    );
  });
  it('MultipartFile sequence - bytewise', () => {
    const hp = new HeaderParser();
    const inp = fromBs('MultipartFile=inline=1;width=10px;height=20%;preserveAspectRatio=1;size=123456;name=w7xtbMOkdXTDnw');
    let res = -2;
    let pos = 0;
    while (res === -2 && pos < inp.length) {
      res = hp.parse(new Uint32Array([inp[pos++]]), 0, 1);
    }
    assert.strictEqual(res, -2);
    assert.strictEqual(hp.state, HeaderState.VALUE);
    res = hp.end();
    assert.strictEqual(res, 0);
    assert.strictEqual(hp.state, HeaderState.END);
    assert.deepEqual(
      hp.fields,
      {
        type: SequenceType.MULTIPARTFILE,
        inline: 1,
        width: '10px',
        height: '20%',
        preserveAspectRatio: 1,
        size: 123456,
        name: 'ümläutß'
      }
    );
  });
  it('FileEnd sequence', () => {
    const hp = new HeaderParser();
    const inp = fromBs('FileEnd');
    let res = hp.parse(inp, 0, inp.length);
    assert.strictEqual(res, -2);
    assert.strictEqual(hp.state, HeaderState.START);
    res = hp.end();
    assert.strictEqual(res, 0);
    assert.strictEqual(hp.state, HeaderState.END);
    assert.deepEqual(hp.fields.type, SequenceType.FILEEND);
  });
  it('FileEnd sequence - bytewise', () => {
    const hp = new HeaderParser();
    const inp = fromBs('FileEnd');
    let res = -2;
    let pos = 0;
    while (res === -2 && pos < inp.length) {
      res = hp.parse(new Uint32Array([inp[pos++]]), 0, 1);
    }
    assert.strictEqual(res, -2);
    assert.strictEqual(hp.state, HeaderState.START);
    res = hp.end();
    assert.strictEqual(res, 0);
    assert.strictEqual(hp.state, HeaderState.END);
    assert.deepEqual(hp.fields.type, SequenceType.FILEEND);
  });
  it('ReportCellSize sequence', () => {
    const hp = new HeaderParser();
    const inp = fromBs('ReportCellSize');
    let res = hp.parse(inp, 0, inp.length);
    assert.strictEqual(res, -2);
    assert.strictEqual(hp.state, HeaderState.START);
    res = hp.end();
    assert.strictEqual(res, 0);
    assert.strictEqual(hp.state, HeaderState.END);
    assert.deepEqual(hp.fields, { type: SequenceType.REPORTCELLSIZE });
  });
  it('ReportCellSize sequence - bytewise', () => {
    const hp = new HeaderParser();
    const inp = fromBs('ReportCellSize');
    let res = -2;
    let pos = 0;
    while (res === -2 && pos < inp.length) {
      res = hp.parse(new Uint32Array([inp[pos++]]), 0, 1);
    }
    assert.strictEqual(res, -2);
    assert.strictEqual(hp.state, HeaderState.START);
    res = hp.end();
    assert.strictEqual(res, 0);
    assert.strictEqual(hp.state, HeaderState.END);
    assert.deepEqual(hp.fields, { type: SequenceType.REPORTCELLSIZE });
  });
 });
@@ -6,9 +6,27 @@
 // eslint-disable-next-line
 declare const Buffer: any;
 export const enum HeaderState {
  START = 0,
  ABORT = 1,
  KEY = 2,
  VALUE = 3,
  END = 4
 }
 export const enum SequenceType {
  INVALID = 0,
  FILE = 1,
  MULTIPARTFILE = 2,
  FILEPART = 3,
  FILEEND = 4,
  REPORTCELLSIZE = 5
 }
 export interface IHeaderFields {
  [key: string]: number | string | Uint32Array | null | undefined;
  // sequence type
  type: SequenceType;
  // base-64 encoded filename. Defaults to "Unnamed file".
  name: string;
  // File size in bytes. The file transfer will be canceled if this size is exceeded.
@@ -29,14 +47,6 @@ export interface IHeaderFields {
  inline?: number;
 }
 export const enum HeaderState {
  START = 0,
  ABORT = 1,
  KEY = 2,
  VALUE = 3,
  END = 4
 }
 // field value decoders
 // ASCII bytes to string
@@ -92,7 +102,19 @@ const DECODERS: {[key: string]: (v: Uint32Array) => number | string} = {
 };
 // sequence type markers
 // File
 const FILE_MARKER = [70, 105, 108, 101];
 // MultipartFile
 const MULTIPARTFILE_MARKER = [77, 117, 108, 116, 105, 112, 97, 114, 116, 70, 105, 108, 101];
 // FilePart
 const FILEPART_MARKER = [70, 105, 108, 101, 80, 97, 114, 116];
 // FileEnd
 const FILEEND_MARKER = [70, 105, 108, 101, 69, 110, 100];
 // ReportCellSize
 const REPORTCELLSIZE_MARKER = [82, 101, 112, 111, 114, 116, 67, 101, 108, 108, 83, 105, 122, 101];
 // max allowed chars for sequence header
 const MAX_FIELDCHARS = 1024;
@@ -111,12 +133,43 @@ export class HeaderParser {
    this._key = '';
  }
  public end(): number {
    if (this.state === HeaderState.START) {
      if (this._position === FILEEND_MARKER.length) {
        for (let k = 0; k < FILEEND_MARKER.length; ++k) {
          if (this._buffer[k] !== FILEEND_MARKER[k]) return this._a();
        }
        this.fields['type'] = SequenceType.FILEEND;
        this.state = HeaderState.END;
        return 0;
      }
      if (this._position === REPORTCELLSIZE_MARKER.length) {
        for (let k = 0; k < REPORTCELLSIZE_MARKER.length; ++k) {
          if (this._buffer[k] !== REPORTCELLSIZE_MARKER[k]) return this._a();
        }
        this.fields['type'] = SequenceType.REPORTCELLSIZE;
        this.state = HeaderState.END;
        return 0;
      }
      return this._a();
    }
    if (this.state === HeaderState.END) return 0;
    if (this.state === HeaderState.VALUE
      && this.fields.type === SequenceType.MULTIPARTFILE
    ) {
      if (!this._storeValue(this._position)) return this._a();
      this.state = HeaderState.END;
      return 0;
    }
    return this._a();
  }
  public parse(data: Uint32Array, start: number, end: number): number {
    let state = this.state;
    let pos = this._position;
    const buffer = this._buffer;
    if (state === HeaderState.ABORT || state === HeaderState.END) return -1;
-    if (state === HeaderState.START && pos > 6) return -1;
+    if (state === HeaderState.START && pos > 14) return -1;
    for (let i = start; i < end; ++i) {
      const c = data[i];
      switch (c) {
@@ -127,8 +180,29 @@ export class HeaderParser {
          break;
        case 61: // =
          if (state === HeaderState.START) {
-            for (let k = 0; k < FILE_MARKER.length; ++k) {
+            if (buffer[0] === 70) {
-              if (buffer[k] !== FILE_MARKER[k]) return this._a();
+              // 'File' or 'FilePart'
              let k = 0;
              for (; k < FILE_MARKER.length; ++k) {
                if (buffer[k] !== FILE_MARKER[k]) return this._a();
              }
              this.fields['type'] = SequenceType.FILE;
              if (pos === FILEPART_MARKER.length) {
                for (; k < FILEPART_MARKER.length; ++k) {
                  if (buffer[k] !== FILEPART_MARKER[k]) return this._a();
                }
                this.fields['type'] = SequenceType.FILEPART;
                this.state = HeaderState.END;
                return i + 1;
              }
            } else if (buffer[0] === 77) {
              // 'MultipartFile'
              for (let k = 0; k < MULTIPARTFILE_MARKER.length; ++k) {
                if (buffer[k] !== MULTIPARTFILE_MARKER[k]) return this._a();
              }
              this.fields['type'] = SequenceType.MULTIPARTFILE;
            } else {
              return this._a();
            }
            state = HeaderState.KEY;
            pos = 0;
@@ -158,6 +232,7 @@ export class HeaderParser {
  }
  private _a(): number {
    this.fields.type = SequenceType.INVALID;
    this.state = HeaderState.ABORT;
    return -1;
  }
@@ -3,6 +3,7 @@
 * @license MIT
 */
 import { IAddImageOpts } from './Types';
 import { ImageStorage } from './ImageStorage';
 /**
@@ -12,6 +13,7 @@ import { ImageStorage } from './ImageStorage';
 * - Always uses scrolling mode (cursor advances with image)
 */
 export class IIPImageStorage {
  private _addImageOpts: IAddImageOpts = { scrolling: true, layer: 'top', zIndex: 0, cursorPos: 'iip' };
  constructor(
    private readonly _storage: ImageStorage
  ) {}
@@ -21,6 +23,6 @@ export class IIPImageStorage {
   * Always uses scrolling mode — cursor advances past the image.
   */
  public addImage(img: HTMLCanvasElement | ImageBitmap): void {
-    this._storage.addImage(img, true);
+    this._storage.addImage(img, this._addImageOpts);
  }
 }
@@ -30,7 +30,8 @@ const TEST_IMAGES: [string, IMetrics][] = [
  ['iphone_hdr_YES.jpg', { mime: 'image/jpeg', width: 3264, height: 2448 }],
  ['nikon-e950.jpg', { mime: 'image/jpeg', width: 800, height: 600 }],
  ['agfa-makernotes.jpg', { mime: 'image/jpeg', width: 8, height: 8 }],
-  ['sony-alpha-6000.jpg', { mime: 'image/jpeg', width: 6000, height: 4000 }]
+  ['sony-alpha-6000.jpg', { mime: 'image/jpeg', width: 6000, height: 4000 }],
  ['dice.qoi', { mime: 'image/qoi', width: 800, height: 600 }],
 ];
@@ -137,11 +137,6 @@ export class ImageAddon implements ITerminalAddon, IImageApi {
    // enable size reports
    if (this._opts.enableSizeReports) {
      // const windowOptions = terminal.getOption('windowOptions');
      // windowOptions.getWinSizePixels = true;
      // windowOptions.getCellSizePixels = true;
      // windowOptions.getWinSizeChars = true;
      // terminal.setOption('windowOptions', windowOptions);
      const windowOps = terminal.options.windowOptions ?? {};
      windowOps.getWinSizePixels = true;
      windowOps.getCellSizePixels = true;
@@ -260,7 +255,7 @@ export class ImageAddon implements ITerminalAddon, IImageApi {
  }
  private _report(s: string): void {
-    this._terminal?._core.coreService.triggerDataEvent(s);
+    this._terminal?._core.input(s, false);
  }
  private _decset(params: (number | number[])[]): boolean {
@@ -146,7 +146,7 @@ export class ImageRenderer extends Disposable implements IDisposable {
  public clearLines(start: number, end: number, layer?: ImageLayer): void {
    const y = start * (this.dimensions?.css.cell.height || 0);
    const w = this.dimensions?.css.canvas.width || 0;
-    const h = (++end - start) * (this.dimensions?.css.cell.height || 0);
+    const h = (end + 1 - start) * (this.dimensions?.css.cell.height || 0);
    if (!layer || layer === 'top') {
      this._layers.get('top')?.clearRect(0, y, w, h);
    }
@@ -5,7 +5,11 @@
 import { IDisposable } from '@xterm/xterm';
 import { ImageRenderer } from './ImageRenderer';
-import { ITerminalExt, IExtendedAttrsImage, IImageAddonOptions, IImageSpec, IBufferLineExt, BgFlags, Cell, Content, ICellSize, ExtFlags, Attributes, UnderlineStyle, ImageLayer } from './Types';
+import {
  ITerminalExt, IExtendedAttrsImage, IImageAddonOptions, IImageSpec,
  IBufferLineExt, BgFlags, Cell, Content, ICellSize, ExtFlags, Attributes,
  UnderlineStyle, IAddImageOpts
 } from './Types';
 // fallback default cell size
@@ -235,13 +239,15 @@ export class ImageStorage implements IDisposable {
  /**
   * Method to add an image to the storage.
   * @param img - The image to add (canvas or bitmap).
-   * @param scrolling - When true, cursor advances with the image (lineFeed per row).
+   * @param opts - Options for addImage:
-   *   When false, image is placed at (0,0) and cursor is restored (DECSET 80 / sixel origin mode).
+   *   - scrolling:  When true, cursor advances with the image.
-   * @param layer - Which canvas layer to render on ('top' or 'bottom').
+   *                 When false, image is placed at ORIGIN and cursor does not move.
-   * @param zIndex - Z-index for image layering within the same layer.
+   *   - layer:      Which canvas layer to render on ('top' or 'bottom').
   *   - zIndex:     Z-index for image layering within the same layer.
   *   - cursorPos:  'vt340' for bottom-left, 'iip' for bottom.right.
   * @returns The internal image ID assigned to the stored image.
   */
-  public addImage(img: HTMLCanvasElement | ImageBitmap, scrolling: boolean, layer: ImageLayer = 'top', zIndex: number = 0): number {
+  public addImage(img: HTMLCanvasElement | ImageBitmap, opts: IAddImageOpts): number {
    // never allow storage to exceed memory limit
    this._evictOldest(img.width * img.height);
@@ -263,7 +269,7 @@ export class ImageStorage implements IDisposable {
    let offset = originX;
    let tileCount = 0;
-    if (!scrolling) {
+    if (!opts.scrolling) {
      buffer.x = 0;
      buffer.y = 0;
      offset = 0;
@@ -277,7 +283,7 @@ export class ImageStorage implements IDisposable {
        this._writeToCell(line as IBufferLineExt, offset + col, imageId, row * cols + col);
        tileCount++;
      }
-      if (scrolling) {
+      if (opts.scrolling) {
        if (row < rows - 1) this._terminal._core._inputHandler.lineFeed();
      } else {
        if (++buffer.y >= termRows) break;
@@ -287,8 +293,12 @@ export class ImageStorage implements IDisposable {
    this._terminal._core._inputHandler._dirtyRowTracker.markDirty(buffer.y);
    // cursor positioning modes
-    if (scrolling) {
+    if (opts.scrolling) {
-      buffer.x = offset;
+      if (opts.cursorPos === 'iip') {
        buffer.x = Math.min(offset + cols, termCols);
      } else {
        buffer.x = offset;
      }
    } else {
      buffer.x = originX;
      buffer.y = originY;
@@ -331,8 +341,8 @@ export class ImageStorage implements IDisposable {
      marker: endMarker || undefined,
      tileCount,
      bufferType: this._terminal.buffer.active.type,
-      layer,
+      layer: opts.layer,
-      zIndex
+      zIndex: opts.zIndex
    };
    // finally add the image
@@ -455,7 +465,6 @@ export class ImageStorage implements IDisposable {
            if (!nextE || nextE.imageId !== imageId || nextE.tileId !== startTile + count) {
              break;
            }
            e = nextE;
            count++;
          }
          col--;
@@ -4,7 +4,7 @@
 */
 import { ImageStorage, CELL_SIZE_DEFAULT } from './ImageStorage';
-import { IImageAddonOptions, ITerminalExt } from './Types';
+import { IImageAddonOptions, ITerminalExt, IAddImageOpts } from './Types';
 import { ImageRenderer } from './ImageRenderer';
 /**
@@ -15,6 +15,7 @@ import { ImageRenderer } from './ImageRenderer';
 * - advanceCursor for empty sixels carrying only height
 */
 export class SixelImageStorage {
  private _addImageOpts: IAddImageOpts = { scrolling: true, layer: 'top', zIndex: 0, cursorPos: 'vt340' };
  constructor(
    private readonly _storage: ImageStorage,
    private readonly _opts: IImageAddonOptions,
@@ -27,7 +28,8 @@ export class SixelImageStorage {
   * Cursor behavior depends on the sixelScrolling option (DECSET 80).
   */
  public addImage(img: HTMLCanvasElement | ImageBitmap): void {
-    this._storage.addImage(img, this._opts.sixelScrolling);
+    this._addImageOpts.scrolling = this._opts.sixelScrolling;
    this._storage.addImage(img, this._addImageOpts);
  }
  /**
@@ -100,6 +100,14 @@ export interface ICellSize {
 }
 export type ImageLayer = 'top' | 'bottom';
 export type CursorPos = 'vt340' | 'iip';
 export interface IAddImageOpts {
  scrolling: boolean;
  layer: ImageLayer;
  zIndex: number;
  cursorPos: CursorPos;
 }
 export interface IImageSpec {
  orig: HTMLCanvasElement | ImageBitmap | undefined;
@@ -5,7 +5,7 @@
 import { IDisposable } from '@xterm/xterm';
 import { ImageStorage } from '../ImageStorage';
-import { ImageLayer } from '../Types';
+import { ImageLayer, IAddImageOpts } from '../Types';
 import { IKittyImageData } from './KittyGraphicsTypes';
 // Kitty-specific image storage controller.
@@ -42,6 +42,7 @@ export class KittyImageStorage implements IDisposable {
      this._images.delete(kittyId);
    }
  };
  private _addImageOpts: IAddImageOpts = { scrolling: true, layer: 'top', zIndex: 0, cursorPos: 'iip' };
  constructor(
    private readonly _storage: ImageStorage
@@ -98,7 +99,10 @@ export class KittyImageStorage implements IDisposable {
    if (oldStorageId !== undefined) {
      this._storageIdToKittyId.delete(oldStorageId);
    }
-    const storageId = this._storage.addImage(image, scrolling, layer, zIndex);
+    this._addImageOpts.scrolling = scrolling;
    this._addImageOpts.layer = layer;
    this._addImageOpts.zIndex = zIndex;
    const storageId = this._storage.addImage(image, this._addImageOpts);
    this._kittyIdToStorageId.set(kittyId, storageId);
    this._storageIdToKittyId.set(storageId, kittyId);
  }
@@ -290,6 +290,67 @@ test.describe('ImageAddon', () => {
    });
  });
  test.describe('IIP support', () => {
    test('size params is optional/informative', async () => {
      // too small size param
      await ctx.proxy.write(`\x1b]1337;File=inline=1;size=5:${PALETTE_PNG_BASE64}\x07`);
      deepStrictEqual(await getOrigSize(1), [640, 80]);
      // no size aparm at all
      await ctx.proxy.write(`\x1b[10H\x1b]1337;File=inline=1:${PALETTE_QOI_BASE64}\x07`);
      deepStrictEqual(await getOrigSize(2), [640, 80]);
    });
    test.skip('FilePart support - bytewise', async () => {
      // opener
      await ctx.proxy.write(`\x1b]1337;MultipartFile=inline=1\x07`);
      // byte-wise
      for (let i = 0; i < PALETTE_PNG_BASE64.length; ++i) {
        await ctx.proxy.write(`\x1b]1337;FilePart=${PALETTE_PNG_BASE64[i]}\x07`);
      }
      // finalizer
      await ctx.proxy.write(`\x1b]1337;FileEnd\x07`);
      deepStrictEqual(await getOrigSize(1), [640, 80]);
    });
    test('FilePart support - chunks', async () => {
      // opener
      await ctx.proxy.write(`\x1b]1337;MultipartFile=inline=1\x07`);
      // chunks
      for (let i = 0; i < PALETTE_PNG_BASE64.length; i += 256) {
        await ctx.proxy.write(`\x1b]1337;FilePart=${PALETTE_PNG_BASE64.slice(i, i + 256)}\x07`);
      }
      // finalizer
      await ctx.proxy.write(`\x1b]1337;FileEnd\x07`);
      deepStrictEqual(await getOrigSize(1), [640, 80]);
    });
    test('FilePart support - edgecases', async () => {
      // multiple opener do not harm
      for (let i = 0; i < 10; ++i) {
        await ctx.proxy.write(`\x1b]1337;MultipartFile=inline=1\x07`);
      }
      // multiple finalizer do not harm
      for (let i = 0; i < 5; ++i) {
        await ctx.proxy.write(`\x1b]1337;FileEnd\x07`);
      }
      // chunks w'o opener are ignored
      for (let i = 0; i < PALETTE_PNG_BASE64.length; i += 256) {
        await ctx.proxy.write(`\x1b]1337;FilePart=${PALETTE_PNG_BASE64.slice(i, i + 256)}\x07`);
      }
      await ctx.proxy.write(`\x1b]1337;FileEnd\x07`);
      pollFor(ctx.page, 'window.imageAddon._storage._images.size', 0);
    });
    test('FilePart support - other IIP sequence cancels chunked image', async () => {
      // opener
      await ctx.proxy.write(`\x1b]1337;MultipartFile=inline=1\x07`);
      // chunks
      for (let i = 0; i < PALETTE_PNG_BASE64.length; i += 256) {
        await ctx.proxy.write(`\x1b]1337;FilePart=${PALETTE_PNG_BASE64.slice(i, i + 256)}\x07`);
      }
      // finalizer skipped
      // write spinfox.png
      await ctx.proxy.write(TESTDATA_IIP[1][0]);
      deepStrictEqual(await getOrigSize(1), TESTDATA_IIP[1][1]);
    });
  });
  test.describe('IIP support - testimages', () => {
    test('palette.png', async () => {
      await ctx.proxy.write(TESTDATA_IIP[0][0]);
@@ -539,7 +539,6 @@ test.describe('Kitty Graphics Protocol', () => {
  test.describe('Query support (a=q)', () => {
    test('responds with OK for capability query without payload', async () => {
      let response = '';
      await ctx.page.evaluate(() => {
        (window as any).kittyResponse = '';
        (window as any).term.onData((data: string) => { (window as any).kittyResponse = data; });
@@ -548,12 +547,11 @@ test.describe('Kitty Graphics Protocol', () => {
      await ctx.proxy.write('\x1b_Gi=31,a=q;\x1b\\');
      await timeout(100);
-      response = await ctx.page.evaluate('window.kittyResponse');
+      const response = await ctx.page.evaluate('window.kittyResponse');
      strictEqual(response, '\x1b_Gi=31;OK\x1b\\');
    });
    test('responds with OK for valid PNG query', async () => {
      let response = '';
      await ctx.page.evaluate(() => {
        (window as any).kittyResponse = '';
        (window as any).term.onData((data: string) => { (window as any).kittyResponse = data; });
@@ -562,7 +560,7 @@ test.describe('Kitty Graphics Protocol', () => {
      await ctx.proxy.write(`\x1b_Gi=42,a=q,f=100;${KITTY_BLACK_1X1_BASE64}\x1b\\`);
      await timeout(100);
-      response = await ctx.page.evaluate('window.kittyResponse');
+      const response = await ctx.page.evaluate('window.kittyResponse');
      strictEqual(response, '\x1b_Gi=42;OK\x1b\\');
    });
@@ -578,7 +576,6 @@ test.describe('Kitty Graphics Protocol', () => {
    });
    test('responds with error for invalid base64', async () => {
      let response = '';
      await ctx.page.evaluate(() => {
        (window as any).kittyResponse = '';
        (window as any).term.onData((data: string) => { (window as any).kittyResponse = data; });
@@ -587,12 +584,11 @@ test.describe('Kitty Graphics Protocol', () => {
      await ctx.proxy.write('\x1b_Gi=60,a=q,f=100;!!!invalid!!!\x1b\\');
      await timeout(100);
-      response = await ctx.page.evaluate('window.kittyResponse');
+      const response: string = await ctx.page.evaluate('window.kittyResponse');
      strictEqual(response.startsWith('\x1b_Gi=60;EINVAL:'), true);
    });
    test('responds with error for RGB data without dimensions', async () => {
      let response = '';
      await ctx.page.evaluate(() => {
        (window as any).kittyResponse = '';
        (window as any).term.onData((data: string) => { (window as any).kittyResponse = data; });
@@ -601,7 +597,7 @@ test.describe('Kitty Graphics Protocol', () => {
      await ctx.proxy.write('\x1b_Gi=70,a=q,f=24;AAAA\x1b\\');
      await timeout(100);
-      response = await ctx.page.evaluate('window.kittyResponse');
+      const response = await ctx.page.evaluate('window.kittyResponse');
      strictEqual(response, '\x1b_Gi=70;EINVAL:width and height required for raw pixel data\x1b\\');
    });
@@ -642,7 +638,6 @@ test.describe('Kitty Graphics Protocol', () => {
    });
    test('responds with EINVAL when both i and I keys are specified', async () => {
      let response = '';
      await ctx.page.evaluate(() => {
        (window as any).kittyResponse = '';
        (window as any).term.onData((data: string) => { (window as any).kittyResponse = data; });
@@ -652,12 +647,11 @@ test.describe('Kitty Graphics Protocol', () => {
      await ctx.proxy.write(`\x1b_Gi=100,I=200,a=q,f=100;${KITTY_BLACK_1X1_BASE64}\x1b\\`);
      await timeout(100);
-      response = await ctx.page.evaluate('window.kittyResponse');
+      const response = await ctx.page.evaluate('window.kittyResponse');
      strictEqual(response, '\x1b_Gi=100;EINVAL:cannot specify both i and I keys\x1b\\');
    });
    test('responds with EINVAL for i+I conflict even without payload', async () => {
      let response = '';
      await ctx.page.evaluate(() => {
        (window as any).kittyResponse = '';
        (window as any).term.onData((data: string) => { (window as any).kittyResponse = data; });
@@ -667,7 +661,7 @@ test.describe('Kitty Graphics Protocol', () => {
      await ctx.proxy.write('\x1b_Gi=101,I=201,a=d\x1b\\');
      await timeout(100);
-      response = await ctx.page.evaluate('window.kittyResponse');
+      const response = await ctx.page.evaluate('window.kittyResponse');
      strictEqual(response, '\x1b_Gi=101;EINVAL:cannot specify both i and I keys\x1b\\');
    });
  });
@@ -31,15 +31,11 @@
  ],
  "license": "MIT",
  "dependencies": {
-    "lru-cache": "^6.0.0",
+    "lru-cache": "^11.3.6",
-    "opentype.js": "^0.8.0"
+    "opentype.js": "^2.0.0"
  },
  "devDependencies": {
-    "@types/lru-cache": "^5.1.0",
+    "@types/opentype.js": "^1.3.9",
-    "@types/opentype.js": "^0.7.0",
+    "font-finder": "^1.1.0"
    "axios": "^1.15.2",
    "font-finder": "^1.1.0",
    "mkdirp": "0.5.5",
    "yauzl": "^3.2.1"
  }
 }
@@ -1,5 +1,5 @@
 import * as opentype from 'opentype.js';
-import LRUCache = require('lru-cache');
+import { LRUCache } from 'lru-cache';
 import { IFont, ILigatureData, IFlattenedLookupTree, ILookupTree, IOptions } from './types';
 import mergeTrees from './merge';
@@ -23,8 +23,8 @@ class FontImpl implements IFont {
    if (options.cacheSize > 0) {
      this._cache = new LRUCache({
-        max: options.cacheSize,
+        maxSize: options.cacheSize,
-        length: ((val: ILigatureData | [number, number][], key: string) => key.length) as any
+        sizeCalculation: ((val: ILigatureData | [number, number][], key: string) => key.length) as any
      });
    }
@@ -44,7 +44,6 @@ export default function mergeRange(ranges: [number, number][], newRangeStart: nu
        // current range
        ranges[i - 1][1] = Math.max(newRangeEnd, range[1]);
        ranges.splice(i, 1);
        inRange = false;
        return ranges;
      }
      // Case 7: New range extends from previous range past the
@@ -174,7 +174,7 @@ export class SearchEngine {
    this._terminal.clearSelection();
    let startRow = this._terminal.buffer.active.baseY + this._terminal.rows - 1;
-    let startCol = this._terminal.cols;
+    const startCol = this._terminal.cols;
    const isReverseSearch = true;
    this._lineCache.initLinesCache();
@@ -186,14 +186,14 @@ export class SearchEngine {
    let result: ISearchResult | undefined;
    if (prevSelectedPos) {
      searchPosition.startRow = startRow = prevSelectedPos.start.y;
-      searchPosition.startCol = startCol = prevSelectedPos.start.x;
+      searchPosition.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;
+          searchPosition.startCol = prevSelectedPos.end.x;
        }
      }
    }
@@ -7,10 +7,10 @@
    "rootDir": "..",
    "outDir": "../out-benchmark",
    "types": ["../../../node_modules/@types/node"],
-    "moduleResolution": "node",
+    "moduleResolution": "nodenext",
    "strict": false,
    "target": "es2021",
-    "module": "commonjs",
+    "module": "nodenext",
    "paths": {
      "common/*": ["../../../src/common/*"],
      "browser/*": ["../../../src/browser/*"],
@@ -21,8 +21,8 @@
    "package": "../../node_modules/.bin/webpack",
    "prepublishOnly": "npm run package",
    "start": "node ../../demo/start",
-    "benchmark": "NODE_PATH=../../out:./out:./out-benchmark/ ../../node_modules/.bin/xterm-benchmark -r 5 -c benchmark/benchmark.json",
+    "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-baseline": "../../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"
+    "benchmark-eval": "../../node_modules/.bin/xterm-benchmark -r 5 -c benchmark/benchmark.json --eval out-benchmark/benchmark/*benchmark.js"
  }
 }
@@ -4,10 +4,10 @@
    "rootDir": "..",
    "outDir": "../out-benchmark",
    "types": ["../../../node_modules/@types/node"],
-    "moduleResolution": "node",
+    "moduleResolution": "nodenext",
    "strict": false,
    "target": "es2015",
-    "module": "commonjs",
+    "module": "nodenext",
    "paths": {
      "common/*": ["../../../src/common/*"],
      "browser/*": ["../../../src/browser/*"],
@@ -21,8 +21,8 @@
    "package": "../../node_modules/.bin/webpack",
    "prepublishOnly": "npm run package",
    "start": "node ../../demo/start",
-    "benchmark": "NODE_PATH=../../out:./out:./out-benchmark/ ../../node_modules/.bin/xterm-benchmark -r 5 -c benchmark/benchmark.json out-benchmark/benchmark/*benchmark.js",
+    "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-baseline": "../../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"
+    "benchmark-eval": "../../node_modules/.bin/xterm-benchmark -r 5 -c benchmark/benchmark.json --eval out-benchmark/benchmark/*benchmark.js"
  }
 }
@@ -78,7 +78,22 @@ test.describe('WebFontsAddon', () => {
      const data = await ctx.page.evaluate(`
          document.styleSheets[0].insertRule("@font-face {font-family: Kongtext; src: url(/fonts/kongtext.regular.ttf) format('truetype'); unicode-range: U+00A0-00FF}", 0);
        `);
-      deepStrictEqual(await getDocumentFonts(), [{ family: 'Kongtext', status: 'unloaded' }]);
+      let fonts = await getDocumentFonts();
      // safari may have loaded the font, firefox & chrome never load it
      if (browser.browserType().name() === 'webkit') {
        try {
          deepStrictEqual(fonts, [{ family: 'Kongtext', status: 'loading' }]);
        } catch (e) {
          try {
            deepStrictEqual(fonts, [{ family: 'Kongtext', status: 'loaded' }]);
          } catch (e) {
            deepStrictEqual(fonts, [{ family: 'Kongtext', status: 'unloaded' }]);
          }
        }
      } else {
        deepStrictEqual(fonts, [{ family: 'Kongtext', status: 'unloaded' }]);
      }
      // broken case: webfont in ctor without addon usage
      await ctx.page.evaluate(`
@@ -86,15 +101,20 @@ test.describe('WebFontsAddon', () => {
          window.helperTerm.open(term.element);
        `);
-      // safari loads the font, firefox & chrome dont
+      fonts = await getDocumentFonts();
      // safari might load the font, firefox & chrome dont
      if (browser.browserType().name() === 'webkit') {
        try {
-          deepStrictEqual(await getDocumentFonts(), [{ family: 'Kongtext', status: 'loading' }]);
+          deepStrictEqual(fonts, [{ family: 'Kongtext', status: 'loading' }]);
        } catch (e) {
-          deepStrictEqual(await getDocumentFonts(), [{ family: 'Kongtext', status: 'loaded' }]);
+          try {
            deepStrictEqual(fonts, [{ family: 'Kongtext', status: 'loaded' }]);
          } catch (e) {
            deepStrictEqual(fonts, [{ family: 'Kongtext', status: 'unloaded' }]);
          }
        }
      } else {
-        deepStrictEqual(await getDocumentFonts(), [{ family: 'Kongtext', status: 'unloaded' }]);
+        deepStrictEqual(fonts, [{ family: 'Kongtext', status: 'unloaded' }]);
      }
      // good case: addon fixes layout for webfont in ctor
@@ -5,7 +5,6 @@
    "lib": [
      "es2021",
    ],
    // "downlevelIteration": true,
    "rootDir": ".",
    "outDir": "../out-test",
    "sourceMap": true,
@@ -113,8 +113,8 @@ export class LinkComputer {
    let line: IBufferLine | undefined;
    let topIdx = lineIndex;
    let bottomIdx = lineIndex;
-    let length = 0;
+    let length;
-    let content = '';
+    let content;
    const lines: string[] = [];
    if ((line = terminal.buffer.active.getLine(lineIndex))) {
@@ -5,7 +5,6 @@
    "lib": [
      "es2021",
    ],
    // "downlevelIteration": true,
    "rootDir": ".",
    "outDir": "../out-test",
    "sourceMap": true,
@@ -427,8 +427,8 @@ export class WebglRenderer extends Disposable implements IRenderer {
    let line: IBufferLine;
    let joinedRanges: [number, number][];
    let isJoined: boolean;
-    let skipJoinedCheckUntilX: number = 0;
+    let skipJoinedCheckUntilX: number;
-    let isValidJoinRange: boolean = true;
+    let isValidJoinRange: boolean;
    let lastCharX: number;
    let range: [number, number];
    let isCursorRow: boolean;
@@ -5,7 +5,7 @@
 import { CustomGlyphDefinitionType, CustomGlyphScaleType, CustomGlyphVectorType, type CustomGlyphCharacterDefinition, type CustomGlyphDefinitionPart, type CustomGlyphPathDrawFunctionDefinition } from './Types';
-/* eslint-disable max-len */
+/* oxlint-disable @stylistic/max-len -- generated glyph path data */
 const enum Shapes {
  /** │ */ TOP_TO_BOTTOM = 'M.5,0 L.5,1',
@@ -25,7 +25,6 @@
      ]
    },
    "strict": true,
    "downlevelIteration": true,
    "experimentalDecorators": true,
    "types": [
      "../../../node_modules/@types/mocha"
@@ -0,0 +1,86 @@
 #!/usr/bin/env bash
 # Copyright (c) 2026 The xterm.js authors. All rights reserved.
 # @license MIT
 set -euo pipefail
 ROOT="$(cd "$(dirname "$0")/.." && pwd)"
 cd "$ROOT"
 if [[ ! -f src/common/parser/wasm/transition_table.h ]]; then
  npm run build
  node bin/gen_parser_transition_table.mjs
 fi
 WASM_DIR=src/common/parser/wasm
 OUT="$WASM_DIR/parser.wasm"
 # Apple Clang (Xcode CLT) has no wasm32 target; prefer Homebrew LLVM when needed.
 wasm_clang_has_target() {
  "$1" --print-targets 2>/dev/null | grep -q 'wasm32'
 }
 resolve_wasm_toolchain() {
  local clang_bin=clang
  if wasm_clang_has_target clang; then
    :
  else
    local llvm_prefix=""
    if command -v brew >/dev/null 2>&1; then
      llvm_prefix="$(brew --prefix llvm 2>/dev/null || true)"
    fi
    for prefix in "$llvm_prefix" /opt/homebrew/opt/llvm /usr/local/opt/llvm; do
      if [[ -n "$prefix" && -x "$prefix/bin/clang" ]] && wasm_clang_has_target "$prefix/bin/clang"; then
        clang_bin="$prefix/bin/clang"
        local lld_prefix=""
        if command -v brew >/dev/null 2>&1; then
          lld_prefix="$(brew --prefix lld 2>/dev/null || true)"
        fi
        for lld_dir in "$lld_prefix/bin" /opt/homebrew/opt/lld/bin /usr/local/opt/lld/bin; do
          if [[ -n "$lld_dir" && -x "$lld_dir/lld" ]]; then
            PATH="$lld_dir:$(dirname "$clang_bin"):$PATH"
            break
          fi
        done
        PATH="$(dirname "$clang_bin"):$PATH"
        break
      fi
    done
    if ! wasm_clang_has_target "$clang_bin"; then
      echo "error: no clang with wasm32 support found (macOS: brew install llvm lld)" >&2
      exit 1
    fi
  fi
  WASM_CLANG="$clang_bin"
 }
 resolve_wasm_toolchain
 "$WASM_CLANG" --target=wasm32-unknown-unknown -O2 -nostdlib -fuse-ld=lld \
  -Wl,--no-entry \
  -Wl,--export-memory \
  -Wl,--export=reset \
  -Wl,--export=scan \
  -Wl,--export=probe_action \
  -Wl,--export=set_state \
  -Wl,--export=sync_params_from \
  -Wl,--export=export_params_to \
  -Wl,--export=get_params_len \
  -Wl,--export=get_subparams_len \
  -Wl,--export=get_subparams_ptr \
  -Wl,--export=get_subparams_idx_ptr \
  -Wl,--export=get_input_ptr \
  -Wl,--export=get_kinds_ptr \
  -Wl,--export=get_starts_ptr \
  -Wl,--export=get_lengths_ptr \
  -Wl,--export=get_aux_ptr \
  -Wl,--export=get_param_starts_ptr \
  -Wl,--export=get_param_counts_ptr \
  -Wl,--export=get_params_ptr \
  -Wl,--export=get_state_ptr \
  -Wl,--export=get_header_ptr \
  -Wl,--initial-memory=67108864 \
  -Wl,--max-memory=67108864 \
  "$WASM_DIR/parser.c" -o "$OUT"
 node bin/embed_parser_wasm.mjs
 echo "Built $OUT"
@@ -0,0 +1,23 @@
 /**
 * Copyright (c) 2026 The xterm.js authors. All rights reserved.
 * @license MIT
 */
 import { readFileSync, writeFileSync } from 'fs';
 import { join, dirname } from 'path';
 import { fileURLToPath } from 'url';
 const __dirname = dirname(fileURLToPath(import.meta.url));
 const root = join(__dirname, '..');
 const wasm = readFileSync(join(root, 'src/common/parser/wasm/parser.wasm'));
 const b64 = wasm.toString('base64');
 const out = `/**
 * Copyright (c) 2026 The xterm.js authors. All rights reserved.
 * @license MIT
 */
 /** Base64-encoded parser.wasm (generated by bin/build_parser_wasm.sh) */
 export const PARSER_WASM_BASE64 = '${b64}';\n`;
 writeFileSync(join(root, 'src/common/parser/wasm/parser.wasm.embed.ts'), out);
 console.info(`Embedded parser.wasm (${wasm.length} bytes)`);
@@ -0,0 +1,34 @@
 /**
 * Copyright (c) 2026 The xterm.js authors. All rights reserved.
 * @license MIT
 */
 // @ts-check
 import { writeFileSync } from 'fs';
 import { fileURLToPath } from 'url';
 import { dirname, join } from 'path';
 const __dirname = dirname(fileURLToPath(import.meta.url));
 const root = join(__dirname, '..');
 // Import compiled transition table
 const { VT500_TRANSITION_TABLE } = await import(join(root, 'out/common/parser/EscapeSequenceParser.js'));
 const table = VT500_TRANSITION_TABLE.table;
 let out = '/* Auto-generated by bin/gen_parser_transition_table.mjs - do not edit */\n';
 out += `#ifndef PARSER_TRANSITION_TABLE_H\n#define PARSER_TRANSITION_TABLE_H\n\n`;
 out += `#include <stdint.h>\n\n`;
 out += `#define PARSER_TABLE_SIZE ${table.length}\n\n`;
 out += `static const uint16_t PARSER_TRANSITION_TABLE[PARSER_TABLE_SIZE] = {\n`;
 for (let i = 0; i < table.length; i++) {
  if (i % 16 === 0) out += '  ';
  out += `0x${table[i].toString(16)}`;
  out += i < table.length - 1 ? ', ' : '';
  if (i % 16 === 15) out += '\n';
 }
 if (table.length % 16 !== 0) out += '\n';
 out += `};\n\n#endif\n`;
 const headerPath = join(root, 'src/common/parser/wasm/transition_table.h');
 writeFileSync(headerPath, out);
 console.info(`Wrote ${headerPath} (${table.length} entries)`);
@@ -33,17 +33,47 @@ if (files.length === 0) {
 console.log(`Linting ${files.length} changed file(s)...`);
-const eslintArgs = ['--max-warnings', '0', '--no-warn-ignored'];
+const cwd = path.join(__dirname, '..');
-if (fix) {
+const isWin = process.platform === 'win32';
-  eslintArgs.push('--fix');
+
 /**
 * @param {string} command
 * @param {string[]} args
 * @returns {Promise<void>}
 */
 function run(command, args) {
  return new Promise(/** @type {(resolve: () => void, reject: (reason: Error) => void) => void} */ ((resolve, reject) => {
    const child = spawn(command, args, {
      stdio: 'inherit',
      cwd,
      shell: isWin
    });
    child.on('close', code => {
      if (code === 0) {
        resolve();
      } else {
        reject(new Error(`${command} exited with code ${code}`));
      }
    });
  }));
 }
 eslintArgs.push(...files);
-const eslint = process.platform === 'win32' ? 'eslint.cmd' : 'eslint';
+async function main() {
-const child = spawn(eslint, eslintArgs, {
+  const oxlintArgs = ['--type-aware', '--max-warnings', '0'];
-  stdio: 'inherit',
+  if (fix) {
-  cwd: path.join(__dirname, '..'),
+    oxlintArgs.push('--fix');
-  shell: process.platform === 'win32'
+  }
  oxlintArgs.push(...files);
  const oxlint = isWin ? 'oxlint.cmd' : 'oxlint';
  await run(oxlint, oxlintArgs);
  const eslintArgs = ['--config', 'eslint.config.naming.mjs', '--max-warnings', '0', ...files];
  const eslint = isWin ? 'eslint.cmd' : 'eslint';
  await run(eslint, eslintArgs);
 }
 main().catch(err => {
  console.error(err.message);
  process.exit(1);
 });
 child.on('close', code => process.exit(code ?? 0));
@@ -8,7 +8,7 @@ const path = require('path');
 const COVERAGE_LINES_THRESHOLD = 40;
-// Add `out` to the NODE_PATH so absolute paths can be resolved.
+// Add `out-esbuild` to NODE_PATH so addon path-mapped imports (common/*, browser/*) resolve.
 const env = { ...process.env };
 env.NODE_PATH = path.resolve(__dirname, '../out-esbuild');
@@ -65,7 +65,8 @@ export class AddonImageWindow extends BaseWindow implements IControlWindow {
    const dtIip = document.createElement('dt');
    dtIip.textContent = 'IIP (iTerm)';
    dlIip.appendChild(dtIip);
-    this._addDdWithButton(dlIip, 'image-demo3', 'palette');
+    this._addDdWithButton(dlIip, 'image-demo3', 'palette (png File)');
    this._addDdWithButton(dlIip, 'image-demo4', 'dice (qoi MultipartFile)');
    container.appendChild(dlIip);
    // Kitty demos
@@ -141,6 +142,21 @@ export class AddonImageWindow extends BaseWindow implements IControlWindow {
        this._terminal.write(`\x1b]1337;File=inline=1;size=${data.length}:${btoa(sdata)}\x1b\\`);
      });
    const iipDemoMulti = (url: string) => () => fetch(url)
      .then(resp => resp.arrayBuffer())
      .then(buffer => {
        const data = new Uint8Array(buffer);
        let sdata = '';
        for (let i = 0; i < data.length; ++i) sdata += String.fromCharCode(data[i]);
        const encoded = btoa(sdata);
        this._terminal.write('\r\n');
        this._terminal.write(`\x1b]1337;MultipartFile=inline=1\x1b\\`);
        for (let i = 0; i < encoded.length; i += 100) {
          this._terminal.write(`\x1b]1337;FilePart=${encoded.slice(i, i + 100)}\x1b\\`);
        }
        this._terminal.write(`\x1b]1337;FileEnd\x1b\\`);
      });
    const kittyDemo = (url: string) => () => fetch(url)
      .then(resp => resp.arrayBuffer())
      .then(buffer => {
@@ -158,6 +174,8 @@ export class AddonImageWindow extends BaseWindow implements IControlWindow {
      sixelDemo('https://raw.githubusercontent.com/jerch/node-sixel/master/testfiles/test2.sixel'));
    document.getElementById('image-demo3')!.addEventListener('click',
      iipDemo('https://raw.githubusercontent.com/jerch/node-sixel/master/palette.png'));
    document.getElementById('image-demo4')!.addEventListener('click',
      iipDemoMulti('https://raw.githubusercontent.com/jerch/xterm-wasm-parts/master/fixtures/qoi/dice.qoi'));
    document.getElementById('image-demo-kitty1')!.addEventListener('click',
      kittyDemo('https://raw.githubusercontent.com/jerch/node-sixel/master/palette.png'));
@@ -176,7 +194,7 @@ export class AddonImageWindow extends BaseWindow implements IControlWindow {
      //   }
      // }
-      const pos = (this._terminal as any)._core._mouseService!.getCoords(ev, (this._terminal as any)._core.screenElement!, this._terminal.cols, this._terminal.rows);
+      const pos = (this._terminal as any)._core._mouseCoordsService!.getCoords(ev, (this._terminal as any)._core.screenElement!, this._terminal.cols, this._terminal.rows);
      const x = pos[0] - 1;
      const y = pos[1] - 1;
      const canvas = ev.shiftKey
@@ -43,7 +43,7 @@ export class GpuWindow extends BaseWindow implements IControlWindow {
  }
  private _styleAtlasPage(canvas: HTMLCanvasElement): void {
-    // eslint-disable-next-line no-restricted-syntax
+    // oxlint-disable-next-line eslint-js/no-restricted-syntax
    const dpr = window.devicePixelRatio;
    canvas.style.width = `${canvas.width / dpr}px`;
    canvas.style.height = `${canvas.height / dpr}px`;
@@ -43,7 +43,7 @@ export class WebglWindow extends BaseWindow implements IControlWindow {
  }
  private _styleAtlasPage(canvas: HTMLCanvasElement): void {
-    // eslint-disable-next-line no-restricted-syntax
+    // oxlint-disable-next-line eslint-js/no-restricted-syntax
    const dpr = window.devicePixelRatio;
    canvas.style.width = `${canvas.width / dpr}px`;
    canvas.style.height = `${canvas.height / dpr}px`;
@@ -2,25 +2,54 @@
  "compilerOptions": {
    "module": "commonjs",
    "target": "es2021",
    "types": [
      "node"
    ],
    "outDir": "../out-demo/client",
    "rootDir": ".",
    "sourceMap": true,
    "strict": true,
    "skipLibCheck": true,
    "paths": {
-      "@xterm/addon-attach": ["../../addons/addon-attach"],
+      "@xterm/addon-attach": [
-      "@xterm/addon-clipboard": ["../../addons/addon-clipboard"],
+        "../../addons/addon-attach"
-      "@xterm/addon-fit": ["../../addons/addon-fit"],
+      ],
-      "@xterm/addon-image": ["../../addons/addon-image"],
+      "@xterm/addon-clipboard": [
-      "@xterm/addon-progress": ["../../addons/addon-progress"],
+        "../../addons/addon-clipboard"
-      "@xterm/addon-search": ["../../addons/addon-search"],
+      ],
-      "@xterm/addon-serialize": ["../../addons/addon-serialize"],
+      "@xterm/addon-fit": [
-      "@xterm/addon-web-fonts": ["../../addons/addon-web-fonts"],
+        "../../addons/addon-fit"
-      "@xterm/addon-web-links": ["../../addons/addon-web-links"],
+      ],
-      "@xterm/addon-webgl": ["../../addons/addon-webgl"],
+      "@xterm/addon-image": [
-      "@xterm/addon-unicode11": ["../../addons/addon-unicode11"],
+        "../../addons/addon-image"
-      "@xterm/addon-unicode-graphemes": ["../../addons/addon-unicode-graphemes"],
+      ],
-      "@xterm/addon-ligatures": ["../../addons/addon-ligatures"],
+      "@xterm/addon-progress": [
        "../../addons/addon-progress"
      ],
      "@xterm/addon-search": [
        "../../addons/addon-search"
      ],
      "@xterm/addon-serialize": [
        "../../addons/addon-serialize"
      ],
      "@xterm/addon-web-fonts": [
        "../../addons/addon-web-fonts"
      ],
      "@xterm/addon-web-links": [
        "../../addons/addon-web-links"
      ],
      "@xterm/addon-webgl": [
        "../../addons/addon-webgl"
      ],
      "@xterm/addon-unicode11": [
        "../../addons/addon-unicode11"
      ],
      "@xterm/addon-unicode-graphemes": [
        "../../addons/addon-unicode-graphemes"
      ],
      "@xterm/addon-ligatures": [
        "../../addons/addon-ligatures"
      ],
      "*": ["./*"]
    }
  },
@@ -118,7 +118,7 @@ function startServer(): void {
  });
  appWs.ws('/terminals/:pid', function (ws, req) {
-    const term = terminals[parseInt(req.params.pid)];
+    const term = terminals[parseInt(Array.isArray(req.params.pid) ? req.params.pid[0] : req.params.pid)];
    console.log('Connected to terminal ' + term.pid);
    temporaryDisposable[term.pid].dispose();
    delete temporaryDisposable[term.pid];
@@ -37,7 +37,7 @@ export default tseslint.config(
      '@stylistic/comma-spacing': ['warn', { before: false, after: true }],
      '@stylistic/indent': ['warn', 2],
      '@stylistic/semi': ['warn', 'always'],
-      '@stylistic/quotes': ['warn', 'single', { allowTemplateLiterals: true }],
+      '@stylistic/quotes': ['warn', 'single', { allowTemplateLiterals: 'always' }],
      '@stylistic/member-delimiter-style': ['warn', {
        multiline: { delimiter: 'semi', requireLast: true },
        singleline: { delimiter: 'comma', requireLast: false }
@@ -0,0 +1,71 @@
 // @ts-check
 import tseslint from 'typescript-eslint';
 const ignores = [
  'addons/*/src/third-party/*.ts',
  '**/out/*',
  '**/out-test/*',
  '**/out-esbuild/*',
  '**/out-esbuild-test/*',
  '**/inwasm-sdks/*',
  '**/node_modules',
  '**/*.js',
  '**/*.mjs'
 ];
 const namingConventionMain = [
  'warn',
  { selector: 'default', format: ['camelCase'], filter: { regex: '^[a-z]', match: true } },
  { selector: 'variable', format: ['camelCase', 'UPPER_CASE'] },
  { selector: 'variable', filter: '^I.+Service$', format: ['PascalCase'], prefix: ['I'] },
  { selector: 'memberLike', modifiers: ['private'], format: ['camelCase'], leadingUnderscore: 'require' },
  { selector: 'memberLike', modifiers: ['protected'], format: ['camelCase'], leadingUnderscore: 'require' },
  { selector: 'enumMember', format: ['UPPER_CASE'] },
  { selector: 'property', modifiers: ['public'], format: ['camelCase', 'UPPER_CASE'], filter: { regex: '^[a-z]', match: true } },
  { selector: 'method', modifiers: ['public'], format: ['camelCase', 'UPPER_CASE'], custom: { regex: '^on[A-Z].+', match: false } },
  { selector: 'method', modifiers: ['private'], format: ['camelCase'], leadingUnderscore: 'require', custom: { regex: '^on[A-Z].+', match: false } },
  { selector: 'method', modifiers: ['protected'], format: ['camelCase'], leadingUnderscore: 'require', custom: { regex: '^on[A-Z].+', match: false } },
  { selector: 'typeLike', format: ['PascalCase'] },
  { selector: 'interface', format: ['PascalCase'], prefix: ['I'] }
 ];
 const namingConventionTypings = [
  'warn',
  { selector: 'typeLike', format: ['PascalCase'] },
  { selector: 'interface', format: ['PascalCase'], prefix: ['I'] }
 ];
 export default tseslint.config(
  {
    ignores
  },
  {
    files: ['**/*.ts'],
    ignores: ['typings/**/*.d.ts', 'addons/**/typings/**'],
    plugins: {
      '@typescript-eslint': tseslint.plugin
    },
    languageOptions: {
      parser: tseslint.parser,
      parserOptions: {
        projectService: true,
        tsconfigRootDir: import.meta.dirname
      }
    },
    rules: {
      '@typescript-eslint/naming-convention': namingConventionMain
    }
  },
  {
    files: ['typings/**/*.d.ts'],
    plugins: {
      '@typescript-eslint': tseslint.plugin
    },
    languageOptions: {
      parser: tseslint.parser
    },
    rules: {
      '@typescript-eslint/naming-convention': namingConventionTypings
    }
  }
 );
@@ -17,7 +17,7 @@ export default tseslint.config(
    rules: {
      '@stylistic/indent': ['warn', 2],
      '@stylistic/semi': ['warn', 'always'],
-      '@stylistic/quotes': ['warn', 'single', { allowTemplateLiterals: true }],
+      '@stylistic/quotes': ['warn', 'single', { allowTemplateLiterals: 'always' }],
      '@stylistic/member-delimiter-style': ['warn', {
        multiline: { delimiter: 'semi', requireLast: true },
        singleline: { delimiter: 'comma', requireLast: false }
@@ -34,6 +34,7 @@
    "start": "node demo/start",
    "dev": "concurrently -k -p [{name}] -n tsc,esbuild,esbuild-demo-client,esbuild-demo-server,server -c blue,yellow,cyan,green,magenta \"npm:tsc-watch\" \"npm:esbuild-watch\" \"npm:esbuild-demo-client-watch\" \"npm:esbuild-demo-server-watch\" \"npm:start\"",
    "build": "npm run tsc",
    "build:parser-wasm": "bash bin/build_parser_wasm.sh",
    "watch": "npm run tsc-watch",
    "tsc": "tsgo -b ./tsconfig.all.json",
    "tsc-watch": "tsgo -b -w ./tsconfig.all.json --preserveWatchOutput",
@@ -48,11 +49,11 @@
    "esbuild-demo-server-watch": "node bin/esbuild.mjs --demo-server --watch",
    "test": "npm run test-unit",
    "posttest": "npm run lint",
-    "lint": "eslint --max-warnings 0 src/ addons/ demo/ test/",
+    "lint": "oxlint --type-aware --max-warnings 0 src addons demo test && eslint --config eslint.config.naming.mjs --max-warnings 0 src addons demo test",
    "lint-changes": "node ./bin/lint_changes.js",
    "lint-changes-fix": "node ./bin/lint_changes.js --fix",
-    "lint-fix": "eslint --fix src/ addons/ demo/ test/",
+    "lint-fix": "oxlint --type-aware --fix --max-warnings 0 src addons demo test",
-    "lint-api": "eslint --config eslint.config.typings.mjs --max-warnings 0 typings/",
+    "lint-api": "oxlint --max-warnings 0 -c .oxlintrc.typings.json typings && eslint --config eslint.config.naming.mjs --max-warnings 0 typings",
    "test-unit": "node ./bin/test_unit.js",
    "test-unit-slow-tests": "npm run test-unit | grep \"ms)\"",
    "test-unit-coverage": "node ./bin/test_unit.js --coverage",
@@ -61,9 +62,9 @@
    "test-integration-firefox": "node ./bin/test_integration.js --workers=75% \"--project=FirefoxStable\"",
    "test-integration-webkit": "node ./bin/test_integration.js --workers=75% \"--project=WebKit\"",
    "test-integration-debug": "node ./bin/test_integration.js  --workers=1 --headed --timeout=30000",
-    "benchmark": "NODE_PATH=./out xterm-benchmark -r 5 -c test/benchmark/benchmark.json",
+    "benchmark": "xterm-benchmark -r 5 -c test/benchmark/benchmark.json",
-    "benchmark-baseline": "NODE_PATH=./out xterm-benchmark -r 5 -c test/benchmark/benchmark.json --baseline out-test/benchmark/*benchmark.js",
+    "benchmark-baseline": "xterm-benchmark -r 5 -c test/benchmark/benchmark.json --baseline out-test/benchmark/*benchmark.js",
-    "benchmark-eval": "NODE_PATH=./out xterm-benchmark -r 5 -c test/benchmark/benchmark.json --eval out-test/benchmark/*benchmark.js",
+    "benchmark-eval": "xterm-benchmark -r 5 -c test/benchmark/benchmark.json --eval out-test/benchmark/*benchmark.js",
    "clean": "rm -rf lib out addons/*/lib addons/*/out",
    "vtfeatures": "node bin/extract_vtfeatures.js src/*/*.ts src/*/*/*.ts src/*.ts addons/**/src/*.ts",
    "prepackage": "npm run build",
@@ -75,40 +76,45 @@
    "prepublishOnly": "npm run package"
  },
  "devDependencies": {
    "@eslint/js": "^10.0.1",
    "@lunapaint/png-codec": "^0.2.0",
-    "@playwright/test": "^1.57.0",
+    "@playwright/test": "^1.59.1",
-    "@stylistic/eslint-plugin": "^4.4.1",
+    "@stylistic/eslint-plugin": "^5.10.0",
-    "@types/chai": "^4.2.22",
+    "@types/chai": "^5.2.3",
-    "@types/express": "4",
+    "@types/express": "^5.0.6",
    "@types/express-ws": "^3.0.1",
-    "@types/jsdom": "^27.0.0",
+    "@types/jsdom": "^28.0.1",
-    "@types/mocha": "^9.0.0",
+    "@types/mocha": "^10.0.10",
    "@types/node": "^22.19.3",
    "@types/webpack": "^5.28.0",
    "@types/ws": "^8.2.0",
-    "@typescript-eslint/eslint-plugin": "^8.50.1",
+    "@typescript-eslint/eslint-plugin": "^8.59.2",
-    "@typescript-eslint/parser": "^8.50.1",
+    "@typescript-eslint/parser": "^8.59.2",
-    "@typescript/native-preview": "^7.0.0-dev.20260213.1",
+    "@typescript/native-preview": "^7.0.0-dev.20260509.2",
-    "chai": "^4.3.4",
+    "chai": "^6.2.2",
    "concurrently": "^9.1.2",
-    "esbuild": "~0.25.2",
+    "esbuild": "^0.28.0",
-    "eslint": "^9.39.2",
+    "eslint": "^10.3.0",
-    "eslint-plugin-jsdoc": "^50.8.0",
+    "eslint-plugin-jsdoc": "^62.9.0",
-    "express": "^4.19.2",
+    "eslint-plugin-oxlint": "^1.67.0",
    "express": "^5.2.1",
    "express-ws": "^5.0.2",
-    "jsdom": "^27.3.0",
+    "jsdom": "^29.1.1",
-    "mocha": "^10.1.0",
+    "mocha": "^11.7.5",
    "mustache": "^4.2.0",
    "node-pty": "^1.2.0-beta.9",
-    "nyc": "^17.1.0",
+    "nyc": "^18.0.0",
-    "source-map-loader": "^3.0.0",
+    "oxlint": "^1.67.0",
    "oxlint-plugin-eslint": "^1.67.0",
    "oxlint-tsgolint": "^0.23.0",
    "source-map-loader": "^5.0.0",
    "source-map-support": "^0.5.20",
-    "ts-loader": "^9.3.1",
+    "ts-loader": "^9.5.7",
    "typescript": "^5.9.3",
-    "typescript-eslint": "^8.50.1",
+    "typescript-eslint": "^8.59.2",
-    "webpack": "^5.61.0",
+    "webpack": "^5.106.2",
-    "webpack-cli": "^4.9.1",
+    "webpack-cli": "^7.0.2",
-    "ws": "^8.2.3",
+    "ws": "^8.20.0",
-    "xterm-benchmark": "^0.3.1"
+    "xterm-benchmark": "^0.3.2"
  }
 }
@@ -3,14 +3,14 @@
 * @license MIT
 */
-import * as Strings from 'browser/LocalizableStrings';
+import * as Strings from './LocalizableStrings';
-import { ITerminal, IRenderDebouncer } from 'browser/Types';
+import { ITerminal, IRenderDebouncer } from './Types';
-import { TimeBasedDebouncer } from 'browser/TimeBasedDebouncer';
+import { TimeBasedDebouncer } from './TimeBasedDebouncer';
-import { Disposable, toDisposable } from 'common/Lifecycle';
+import { Disposable, toDisposable } from '../common/Lifecycle';
-import { ICoreBrowserService, IRenderService } from 'browser/services/Services';
+import { ICoreBrowserService, IRenderService } from './services/Services';
-import { IBuffer } from 'common/buffer/Types';
+import { IBuffer } from '../common/buffer/Types';
-import { IInstantiationService } from 'common/services/Services';
+import { IInstantiationService } from '../common/services/Services';
-import { addDisposableListener } from 'browser/Dom';
+import { addDisposableListener } from './Dom';
 const enum Constants {
  MAX_ROWS_TO_READ = 20
@@ -4,7 +4,7 @@
 */
 import { assert } from 'chai';
-import * as Clipboard from 'browser/Clipboard';
+import * as Clipboard from './Clipboard';
 describe('evaluatePastedTextProcessing', () => {
  it('should replace carriage return and/or line feed with carriage return', () => {
@@ -3,8 +3,8 @@
 * @license MIT
 */
-import { ISelectionService } from 'browser/services/Services';
+import { ISelectionService } from './services/Services';
-import { ICoreService, IOptionsService } from 'common/services/Services';
+import { ICoreService, IOptionsService } from '../common/services/Services';
 /**
 * Prepares text to be pasted into the terminal by normalizing the line endings
@@ -4,7 +4,7 @@
 */
 import { assert } from 'chai';
-import { ColorContrastCache } from 'browser/ColorContrastCache';
+import { ColorContrastCache } from './ColorContrastCache';
 describe('ColorContrastCache', () => {
  let cache: ColorContrastCache;
@@ -3,9 +3,9 @@
 * @license MIT
 */
-import { IColorContrastCache } from 'browser/Types';
+import { IColorContrastCache } from './Types';
-import { IColor } from 'common/Types';
+import { IColor } from '../common/Types';
-import { TwoKeyMap } from 'common/MultiKeyMap';
+import { TwoKeyMap } from '../common/MultiKeyMap';
 export class ColorContrastCache implements IColorContrastCache {
  private _color: TwoKeyMap</* bg */number, /* fg */number, IColor | null> = new TwoKeyMap();
@@ -22,43 +22,43 @@
 */
 import { IDecoration, IDecorationOptions, IDisposable, ILinkProvider, IMarker, IRenderDimensions as IRenderDimensionsApi } from '@xterm/xterm';
-import { copyHandler, handlePasteEvent, moveTextAreaUnderMouseCursor, paste, rightClickHandler } from 'browser/Clipboard';
+import { copyHandler, handlePasteEvent, moveTextAreaUnderMouseCursor, paste, rightClickHandler } from './Clipboard';
-import * as Strings from 'browser/LocalizableStrings';
+import * as Strings from './LocalizableStrings';
-import { OscLinkProvider } from 'browser/OscLinkProvider';
+import { OscLinkProvider } from './OscLinkProvider';
-import { CharacterJoinerHandler, CustomKeyEventHandler, CustomWheelEventHandler, IBrowser, IBufferRange, ICompositionHelper, ILinkifier2, ITerminal } from 'browser/Types';
+import { CharacterJoinerHandler, CustomKeyEventHandler, CustomWheelEventHandler, IBrowser, IBufferRange, ICompositionHelper, ILinkifier2, ITerminal } from './Types';
-import { Viewport } from 'browser/Viewport';
+import { Viewport } from './Viewport';
-import { BufferDecorationRenderer } from 'browser/decorations/BufferDecorationRenderer';
+import { BufferDecorationRenderer } from './decorations/BufferDecorationRenderer';
-import { OverviewRulerRenderer } from 'browser/decorations/OverviewRulerRenderer';
+import { OverviewRulerRenderer } from './decorations/OverviewRulerRenderer';
-import { CompositionHelper } from 'browser/input/CompositionHelper';
+import { CompositionHelper } from './input/CompositionHelper';
-import { DomRenderer } from 'browser/renderer/dom/DomRenderer';
+import { DomRenderer } from './renderer/dom/DomRenderer';
-import { IRenderer } from 'browser/renderer/shared/Types';
+import { IRenderer } from './renderer/shared/Types';
-import { CharSizeService } from 'browser/services/CharSizeService';
+import { CharSizeService } from './services/CharSizeService';
-import { CharacterJoinerService } from 'browser/services/CharacterJoinerService';
+import { CharacterJoinerService } from './services/CharacterJoinerService';
-import { CoreBrowserService } from 'browser/services/CoreBrowserService';
+import { CoreBrowserService } from './services/CoreBrowserService';
-import { LinkProviderService } from 'browser/services/LinkProviderService';
+import { LinkProviderService } from './services/LinkProviderService';
-import { MouseCoordsService } from 'browser/services/MouseCoordsService';
+import { MouseCoordsService } from './services/MouseCoordsService';
-import { MouseService } from 'browser/services/MouseService';
+import { MouseEventCssClasses, MouseService } from './services/MouseService';
-import { RenderService } from 'browser/services/RenderService';
+import { RenderService } from './services/RenderService';
-import { SelectionService } from 'browser/services/SelectionService';
+import { SelectionService } from './services/SelectionService';
-import { ICharSizeService, ICharacterJoinerService, ICoreBrowserService, IKeyboardService, ILinkProviderService, IMouseCoordsService, IMouseService, IRenderService, ISelectionService, IThemeService } from 'browser/services/Services';
+import { ICharSizeService, ICharacterJoinerService, ICoreBrowserService, IKeyboardService, ILinkProviderService, IMouseCoordsService, IMouseService, IRenderService, ISelectionService, IThemeService } from './services/Services';
-import { ThemeService } from 'browser/services/ThemeService';
+import { ThemeService } from './services/ThemeService';
-import { KeyboardService } from 'browser/services/KeyboardService';
+import { KeyboardService } from './services/KeyboardService';
-import { channels, color, rgb } from 'common/Color';
+import { channels, color, rgb } from '../common/Color';
-import { CoreTerminal } from 'common/CoreTerminal';
+import { CoreTerminal } from '../common/CoreTerminal';
-import * as Browser from 'common/Platform';
+import * as Browser from '../common/Platform';
-import { ColorRequestType, IColorEvent, ITerminalOptions, KeyboardResultType, SpecialColorIndex } from 'common/Types';
+import { ColorRequestType, IColorEvent, ITerminalOptions, KeyboardResultType, SpecialColorIndex } from '../common/Types';
-import { DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';
+import { DEFAULT_ATTR_DATA } from '../common/buffer/BufferLine';
-import { IBuffer } from 'common/buffer/Types';
+import { IBuffer } from '../common/buffer/Types';
-import { C0, C1ESCAPED } from 'common/data/EscapeSequences';
+import { C0, C1ESCAPED } from '../common/data/EscapeSequences';
-import { toRgbString } from 'common/input/XParseColor';
+import { toRgbString } from '../common/input/XParseColor';
-import { DecorationService } from 'common/services/DecorationService';
+import { DecorationService } from '../common/services/DecorationService';
-import { IDecorationService } from 'common/services/Services';
+import { IDecorationService } from '../common/services/Services';
 import { WindowsOptionsReportType } from '../common/InputHandler';
 import { AccessibilityManager } from './AccessibilityManager';
 import { Linkifier } from './Linkifier';
-import { Emitter, EventUtils, type IEvent } from 'common/Event';
+import { Emitter, EventUtils, type IEvent } from '../common/Event';
-import { addDisposableListener } from 'browser/Dom';
+import { addDisposableListener } from './Dom';
-import { MutableDisposable, toDisposable } from 'common/Lifecycle';
+import { MutableDisposable, toDisposable } from '../common/Lifecycle';
 export class CoreBrowserTerminal extends CoreTerminal implements ITerminal {
  public textarea: HTMLTextAreaElement | undefined;
@@ -212,7 +212,7 @@ export class CoreBrowserTerminal extends CoreTerminal implements ITerminal {
    if (!this._themeService) return;
    for (const req of event) {
      let acc: 'foreground' | 'background' | 'cursor' | 'ansi';
-      let ident = '';
+      let ident: string;
      switch (req.index) {
        case SpecialColorIndex.FOREGROUND: // OSC 10 | 110
          acc = 'foreground';
@@ -618,11 +618,12 @@ export class CoreBrowserTerminal extends CoreTerminal implements ITerminal {
    this._register(addDisposableListener(this.element, 'mousedown', (e: MouseEvent) => this._selectionService!.handleMouseDown(e)));
    // apply mouse event classes set by escape codes before terminal was attached
-    if (this.mouseStateService.areMouseEventsActive) {
+    if (this.mouseStateService.areMouseEventsActive && !this.options.mouseEventsRequireAlt) {
      this._selectionService.disable();
-      this.element.classList.add('enable-mouse-events');
+      this.element.classList.add(MouseEventCssClasses.ENABLE_MOUSE_EVENTS);
    } else {
      this._selectionService.enable();
      this.element.classList.remove(MouseEventCssClasses.ENABLE_MOUSE_EVENTS);
    }
    if (this.options.screenReaderMode) {
@@ -5,8 +5,8 @@
 * Minimal DOM helpers for xterm.js browser code.
 */
-import { IntervalTimer } from 'common/Async';
+import { IntervalTimer } from '../common/Async';
-import { IDisposable } from 'common/Lifecycle';
+import { IDisposable } from '../common/Lifecycle';
 export function getWindow(e: Node | UIEvent | undefined | null): Window {
  const candidateNode = e as Node | undefined | null;
@@ -4,11 +4,11 @@
 */
 import { assert } from 'chai';
-import { IBufferService } from 'common/services/Services';
+import { IBufferService } from '../common/services/Services';
 import { Linkifier } from './Linkifier';
-import { MockBufferService } from 'common/TestUtils.test';
+import { MockBufferService } from '../common/TestUtils.test';
-import { ILink } from 'browser/Types';
+import { ILink } from './Types';
-import { LinkProviderService } from 'browser/services/LinkProviderService';
+import { LinkProviderService } from './services/LinkProviderService';
 import jsdom = require('jsdom');
 class TestLinkifier2 extends Linkifier {
@@ -3,13 +3,13 @@
 * @license MIT
 */
-import { IBufferCellPosition, ILink, ILinkDecorations, ILinkWithState, ILinkifier2, ILinkifierEvent } from 'browser/Types';
+import { IBufferCellPosition, ILink, ILinkDecorations, ILinkWithState, ILinkifier2, ILinkifierEvent } from './Types';
-import { Disposable, dispose, toDisposable } from 'common/Lifecycle';
+import { Disposable, dispose, toDisposable } from '../common/Lifecycle';
-import { IDisposable } from 'common/Types';
+import { IDisposable } from '../common/Types';
-import { IBufferService } from 'common/services/Services';
+import { IBufferService } from '../common/services/Services';
 import { ILinkProviderService, IMouseCoordsService, IRenderService } from './services/Services';
-import { Emitter } from 'common/Event';
+import { Emitter } from '../common/Event';
-import { addDisposableListener } from 'browser/Dom';
+import { addDisposableListener } from './Dom';
 export class Linkifier extends Disposable implements ILinkifier2 {
  public get currentLink(): ILinkWithState | undefined { return this._currentLink; }
@@ -4,11 +4,11 @@
 */
 import { assert } from 'chai';
-import { OscLinkProvider } from 'browser/OscLinkProvider';
+import { OscLinkProvider } from './OscLinkProvider';
-import { ILink } from 'browser/Types';
+import { ILink } from './Types';
-import { createCellData, MockBufferService, MockOptionsService } from 'common/TestUtils.test';
+import { createCellData, MockBufferService, MockOptionsService } from '../common/TestUtils.test';
-import { IBufferService, IOscLinkService } from 'common/services/Services';
+import { IBufferService, IOscLinkService } from '../common/services/Services';
-import { IBufferLine, IOscLinkData } from 'common/Types';
+import { IBufferLine, IOscLinkData } from '../common/Types';
 class TestOscLinkService implements IOscLinkService {
  public serviceBrand: any;
@@ -3,11 +3,11 @@
 * @license MIT
 */
-import { IBufferRange, ILink } from 'browser/Types';
+import { IBufferRange, ILink } from './Types';
-import { ILinkProvider } from 'browser/services/Services';
+import { ILinkProvider } from './services/Services';
-import { CellData } from 'common/buffer/CellData';
+import { CellData } from '../common/buffer/CellData';
-import { IBufferLine } from 'common/Types';
+import { IBufferLine } from '../common/Types';
-import { IBufferService, IOptionsService, IOscLinkService } from 'common/services/Services';
+import { IBufferService, IOptionsService, IOscLinkService } from '../common/services/Services';
 export class OscLinkProvider implements ILinkProvider {
  private readonly _workCell = new CellData();
@@ -3,8 +3,8 @@
 * @license MIT
 */
-import { IRenderDebouncerWithCallback } from 'browser/Types';
+import { IRenderDebouncerWithCallback } from './Types';
-import { ICoreBrowserService } from 'browser/services/Services';
+import { ICoreBrowserService } from './services/Services';
 /**
 * Debounces calls to render terminal rows using animation frames.
@@ -3,13 +3,13 @@
 * @license MIT
 */
-import { MockCompositionHelper, MockRenderer, MockViewport, TestTerminal } from 'browser/TestUtils.test';
+import { MockCompositionHelper, MockRenderer, MockViewport, TestTerminal } from './TestUtils.test';
-import type { IBrowser } from 'browser/Types';
+import type { IBrowser } from './Types';
 import { assert } from 'chai';
-import { DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';
+import { DEFAULT_ATTR_DATA } from '../common/buffer/BufferLine';
-import { CellData } from 'common/buffer/CellData';
+import { CellData } from '../common/buffer/CellData';
-import { MockUnicodeService, createCellData } from 'common/TestUtils.test';
+import { MockUnicodeService, createCellData } from '../common/TestUtils.test';
-import { IMarker } from 'common/Types';
+import { IMarker } from '../common/Types';
 const INIT_COLS = 80;
 const INIT_ROWS = 24;
@@ -7,14 +7,14 @@ import * as path from 'path';
 import * as os from 'os';
 import * as fs from 'fs';
 import * as pty from 'node-pty';
-import { CoreBrowserTerminal } from 'browser/CoreBrowserTerminal';
+import { CoreBrowserTerminal } from './CoreBrowserTerminal';
 import { IDisposable } from '@xterm/xterm';
 // all test files expect terminal in 80x25
 const COLS = 80;
 const ROWS = 25;
-const escapeSequenceFilesDir = path.join(__dirname, '../../fixtures/escape_sequence_files');
+const escapeSequenceFilesDir = path.join(__dirname, '../../test/fixtures/escape_sequence_files');
 const TESTFILES = fs.readdirSync(escapeSequenceFilesDir)
  .filter(f => f.endsWith('.in'))
  .map(f => path.join(escapeSequenceFilesDir, f));
@@ -125,7 +125,7 @@ function formatError(input: string, output: string, expected: string): string {
 // simple debug output of terminal cells
 function terminalToString(term: CoreBrowserTerminal): string {
  let result = '';
-  let lineText = '';
+  let lineText: string;
  for (let line = term.buffer.ybase; line < term.buffer.ybase + term.rows; line++) {
    lineText = term.buffer.lines.get(line)!.translateToString(true);
    // rtrim empty cells as xterm does
@@ -4,21 +4,21 @@
 */
 import { IDisposable, IMarker, ILinkProvider, IDecorationOptions, IDecoration, IRenderDimensions as IRenderDimensionsApi } from '@xterm/xterm';
-import { ICharacterJoinerService, ICharSizeService, ICoreBrowserService, IMouseService, IRenderService, ISelectionService, IThemeService } from 'browser/services/Services';
+import { ICharacterJoinerService, ICharSizeService, ICoreBrowserService, IMouseService, IRenderService, ISelectionService, IThemeService } from './services/Services';
-import { IRenderDimensions, IRenderer, IRequestRedrawEvent } from 'browser/renderer/shared/Types';
+import { IRenderDimensions, IRenderer, IRequestRedrawEvent } from './renderer/shared/Types';
-import { IColorSet, ITerminal, ILinkifier2, IBrowser, IViewport, ICompositionHelper, CharacterJoinerHandler, IBufferRange, ReadonlyColorSet, IBufferElementProvider } from 'browser/Types';
+import { IColorSet, ITerminal, ILinkifier2, IBrowser, IViewport, ICompositionHelper, CharacterJoinerHandler, IBufferRange, ReadonlyColorSet, IBufferElementProvider } from './Types';
-import { IBuffer, IBufferSet } from 'common/buffer/Types';
+import { IBuffer, IBufferSet } from '../common/buffer/Types';
-import { IBufferLine, ICellData, IAttributeData, ICircularList, XtermListener, ICharset, ITerminalOptions, ColorIndex } from 'common/Types';
+import { IBufferLine, ICellData, IAttributeData, ICircularList, XtermListener, ICharset, ITerminalOptions, ColorIndex } from '../common/Types';
-import { Buffer } from 'common/buffer/Buffer';
+import { Buffer } from '../common/buffer/Buffer';
-import * as Browser from 'common/Platform';
+import * as Browser from '../common/Platform';
-import { CoreBrowserTerminal } from 'browser/CoreBrowserTerminal';
+import { CoreBrowserTerminal } from './CoreBrowserTerminal';
-import { IUnicodeService, IOptionsService, ICoreService, IMouseStateService } from 'common/services/Services';
+import { IUnicodeService, IOptionsService, ICoreService, IMouseStateService } from '../common/services/Services';
-import { IFunctionIdentifier, IParams } from 'common/parser/Types';
+import { IFunctionIdentifier, IParams } from '../common/parser/Types';
-import { AttributeData } from 'common/buffer/AttributeData';
+import { AttributeData } from '../common/buffer/AttributeData';
-import { ISelectionRedrawRequestEvent, ISelectionRequestScrollLinesEvent } from 'browser/selection/Types';
+import { ISelectionRedrawRequestEvent, ISelectionRequestScrollLinesEvent } from './selection/Types';
-import { css } from 'common/Color';
+import { css } from '../common/Color';
-import { createRenderDimensions } from 'browser/renderer/shared/RendererUtils';
+import { createRenderDimensions } from './renderer/shared/RendererUtils';
-import { Emitter, type IEvent } from 'common/Event';
+import { Emitter, type IEvent } from '../common/Event';
 export class TestTerminal extends CoreBrowserTerminal {
  public get curAttrData(): IAttributeData { return (this as any)._inputHandler._curAttrData; }
@@ -5,7 +5,7 @@
 const RENDER_DEBOUNCE_THRESHOLD_MS = 1000; // 1 Second
-import { IRenderDebouncer } from 'browser/Types';
+import { IRenderDebouncer } from './Types';
 /**
 * Debounces calls to update screen readers to update at most once configurable interval of time.
@@ -3,11 +3,11 @@
 * @license MIT
 */
-import { CharData, IColor, ICoreTerminal, ITerminalOptions } from 'common/Types';
+import { CharData, IColor, ICoreTerminal, ITerminalOptions } from '../common/Types';
-import { IBuffer } from 'common/buffer/Types';
+import { IBuffer } from '../common/buffer/Types';
 import { IDisposable, IRenderDimensions as IRenderDimensionsApi, Terminal as ITerminalApi } from '@xterm/xterm';
-import { channels, css } from 'common/Color';
+import { channels, css } from '../common/Color';
-import type { IEvent } from 'common/Event';
+import type { IEvent } from '../common/Event';
 /**
 * A portion of the public API that are implemented identially internally and simply passed through.
@@ -3,16 +3,16 @@
 * @license MIT
 */
-import { ICoreBrowserService, IRenderService, IThemeService } from 'browser/services/Services';
+import { ICoreBrowserService, IRenderService, IThemeService } from './services/Services';
-import { ViewportConstants } from 'browser/shared/Constants';
+import { ViewportConstants } from './shared/Constants';
-import { Disposable, toDisposable } from 'common/Lifecycle';
+import { Disposable, toDisposable } from '../common/Lifecycle';
-import { IBufferService, ICoreService, IMouseStateService, IOptionsService } from 'common/services/Services';
+import { IBufferService, ICoreService, IMouseStateService, IOptionsService } from '../common/services/Services';
-import { CoreMouseEventType } from 'common/Types';
+import { CoreMouseEventType } from '../common/Types';
-import { scheduleAtNextAnimationFrame } from 'browser/Dom';
+import { scheduleAtNextAnimationFrame } from './Dom';
-import { SmoothScrollableElement } from 'browser/scrollable/scrollableElement';
+import { SmoothScrollableElement } from './scrollable/scrollableElement';
-import type { IScrollableElementChangeOptions } from 'browser/scrollable/scrollableElementOptions';
+import type { IScrollableElementChangeOptions } from './scrollable/scrollableElementOptions';
-import { Emitter, EventUtils } from 'common/Event';
+import { Emitter, EventUtils } from '../common/Event';
-import { Scrollable, ScrollbarVisibility, type IScrollEvent } from 'browser/scrollable/scrollable';
+import { Scrollable, ScrollbarVisibility, type IScrollEvent } from './scrollable/scrollable';
 export class Viewport extends Disposable {
@@ -3,9 +3,9 @@
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
-import { ICoreBrowserService, IRenderService } from 'browser/services/Services';
+import { ICoreBrowserService, IRenderService } from '../services/Services';
-import { Disposable, toDisposable } from 'common/Lifecycle';
+import { Disposable, toDisposable } from '../../common/Lifecycle';
-import { IBufferService, IDecorationService, IInternalDecoration } from 'common/services/Services';
+import { IBufferService, IDecorationService, IInternalDecoration } from '../../common/services/Services';
 export class BufferDecorationRenderer extends Disposable {
  private readonly _container: HTMLElement;
@@ -4,7 +4,7 @@
 */
 import { assert } from 'chai';
-import { ColorZoneStore } from 'browser/decorations/ColorZoneStore';
+import { ColorZoneStore } from './ColorZoneStore';
 const optionsRedFull = {
  overviewRulerOptions: {
@@ -3,7 +3,7 @@
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
-import { IInternalDecoration } from 'common/services/Services';
+import { IInternalDecoration } from '../../common/services/Services';
 export interface IColorZoneStore {
  readonly zones: IColorZone[];
@@ -3,10 +3,10 @@
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
-import { ColorZoneStore, IColorZone, IColorZoneStore } from 'browser/decorations/ColorZoneStore';
+import { ColorZoneStore, IColorZone, IColorZoneStore } from './ColorZoneStore';
-import { ICoreBrowserService, IRenderService, IThemeService } from 'browser/services/Services';
+import { ICoreBrowserService, IRenderService, IThemeService } from '../services/Services';
-import { Disposable, toDisposable } from 'common/Lifecycle';
+import { Disposable, toDisposable } from '../../common/Lifecycle';
-import { IBufferService, IDecorationService, IOptionsService } from 'common/services/Services';
+import { IBufferService, IDecorationService, IOptionsService } from '../../common/services/Services';
 const enum Constants {
  OVERVIEW_RULER_BORDER_WIDTH = 1
@@ -4,9 +4,9 @@
 */
 import { assert } from 'chai';
-import { CompositionHelper } from 'browser/input/CompositionHelper';
+import { CompositionHelper } from './CompositionHelper';
-import { MockRenderService } from 'browser/TestUtils.test';
+import { MockRenderService } from '../TestUtils.test';
-import { MockCoreService, MockBufferService, MockOptionsService } from 'common/TestUtils.test';
+import { MockCoreService, MockBufferService, MockOptionsService } from '../../common/TestUtils.test';
 describe('CompositionHelper', () => {
  let compositionHelper: CompositionHelper;
@@ -3,9 +3,9 @@
 * @license MIT
 */
-import { IRenderService } from 'browser/services/Services';
+import { IRenderService } from '../services/Services';
-import { IBufferService, ICoreService, IOptionsService } from 'common/services/Services';
+import { IBufferService, ICoreService, IOptionsService } from '../../common/services/Services';
-import { C0 } from 'common/data/EscapeSequences';
+import { C0 } from '../../common/data/EscapeSequences';
 interface IPosition {
  start: number;
@@ -5,7 +5,7 @@
 import jsdom = require('jsdom');
 import { assert } from 'chai';
-import { getCoords } from 'browser/input/Mouse';
+import { getCoords } from './Mouse';
 const CHAR_WIDTH = 10;
 const CHAR_HEIGHT = 20;
@@ -4,8 +4,8 @@
 */
 import { assert } from 'chai';
-import { IBufferService } from 'common/services/Services';
+import { IBufferService } from '../../common/services/Services';
-import { MockBufferService } from 'common/TestUtils.test';
+import { MockBufferService } from '../../common/TestUtils.test';
 import { moveToCellSequence } from './MoveToCell';
 describe('MoveToCell', () => {
@@ -3,8 +3,8 @@
 * @license MIT
 */
-import { C0 } from 'common/data/EscapeSequences';
+import { C0 } from '../../common/data/EscapeSequences';
-import { IBufferService } from 'common/services/Services';
+import { IBufferService } from '../../common/services/Services';
 const enum Direction {
  UP = 'A',
@@ -3,17 +3,17 @@
 * @license MIT
 */
-import * as Strings from 'browser/LocalizableStrings';
+import * as Strings from '../LocalizableStrings';
-import { CoreBrowserTerminal as TerminalCore } from 'browser/CoreBrowserTerminal';
+import { CoreBrowserTerminal as TerminalCore } from '../CoreBrowserTerminal';
-import { IBufferRange, ITerminal } from 'browser/Types';
+import { IBufferRange, ITerminal } from '../Types';
-import { Disposable } from 'common/Lifecycle';
+import { Disposable } from '../../common/Lifecycle';
-import { ITerminalOptions } from 'common/Types';
+import { ITerminalOptions } from '../../common/Types';
-import { AddonManager } from 'common/public/AddonManager';
+import { AddonManager } from '../../common/public/AddonManager';
-import { BufferNamespaceApi } from 'common/public/BufferNamespaceApi';
+import { BufferNamespaceApi } from '../../common/public/BufferNamespaceApi';
-import { ParserApi } from 'common/public/ParserApi';
+import { ParserApi } from '../../common/public/ParserApi';
-import { UnicodeApi } from 'common/public/UnicodeApi';
+import { UnicodeApi } from '../../common/public/UnicodeApi';
 import { IBufferNamespace as IBufferNamespaceApi, IDecoration, IDecorationOptions, IDisposable, ILinkProvider, ILocalizableStrings, IMarker, IModes, IParser, IRenderDimensions, ITerminalAddon, Terminal as ITerminalApi, ITerminalInitOnlyOptions, IUnicodeHandling } from '@xterm/xterm';
-import type { IEvent } from 'common/Event';
+import type { IEvent } from '../../common/Event';
 /**
 * The set of options that only have an effect when set in the Terminal constructor.
@@ -3,20 +3,20 @@
 * @license MIT
 */
-import { DomRendererRowFactory, RowCss } from 'browser/renderer/dom/DomRendererRowFactory';
+import { DomRendererRowFactory, RowCss } from './DomRendererRowFactory';
-import { WidthCache } from 'browser/renderer/dom/WidthCache';
+import { WidthCache } from './WidthCache';
-import { INVERTED_DEFAULT_COLOR, RendererConstants } from 'browser/renderer/shared/Constants';
+import { INVERTED_DEFAULT_COLOR, RendererConstants } from '../shared/Constants';
-import { createRenderDimensions } from 'browser/renderer/shared/RendererUtils';
+import { createRenderDimensions } from '../shared/RendererUtils';
-import { createSelectionRenderModel } from 'browser/renderer/shared/SelectionRenderModel';
+import { createSelectionRenderModel } from '../shared/SelectionRenderModel';
-import { TextBlinkStateManager } from 'browser/renderer/shared/TextBlinkStateManager';
+import { TextBlinkStateManager } from '../shared/TextBlinkStateManager';
-import { IRenderDimensions, IRenderer, IRequestRedrawEvent, ISelectionRenderModel } from 'browser/renderer/shared/Types';
+import { IRenderDimensions, IRenderer, IRequestRedrawEvent, ISelectionRenderModel } from '../shared/Types';
-import { ICharSizeService, ICoreBrowserService, IThemeService } from 'browser/services/Services';
+import { ICharSizeService, ICoreBrowserService, IThemeService } from '../../services/Services';
-import { ILinkifier2, ILinkifierEvent, ITerminal, ReadonlyColorSet } from 'browser/Types';
+import { ILinkifier2, ILinkifierEvent, ITerminal, ReadonlyColorSet } from '../../Types';
-import { color } from 'common/Color';
+import { color } from '../../../common/Color';
-import { Disposable, toDisposable } from 'common/Lifecycle';
+import { Disposable, toDisposable } from '../../../common/Lifecycle';
-import { IBufferService, ICoreService, IInstantiationService, IOptionsService } from 'common/services/Services';
+import { IBufferService, ICoreService, IInstantiationService, IOptionsService } from '../../../common/services/Services';
-import { Emitter } from 'common/Event';
+import { Emitter } from '../../../common/Event';
-import { addDisposableListener } from 'browser/Dom';
+import { addDisposableListener } from '../../Dom';
 const enum Constants {
@@ -5,15 +5,15 @@
 import jsdom = require('jsdom');
 import { assert } from 'chai';
-import { DomRendererRowFactory } from 'browser/renderer/dom/DomRendererRowFactory';
+import { DomRendererRowFactory } from './DomRendererRowFactory';
-import { NULL_CELL_CODE, NULL_CELL_WIDTH, NULL_CELL_CHAR, DEFAULT_ATTR, FgFlags, BgFlags, Attributes, UnderlineStyle } from 'common/buffer/Constants';
+import { NULL_CELL_CODE, NULL_CELL_WIDTH, NULL_CELL_CHAR, DEFAULT_ATTR, FgFlags, BgFlags, Attributes, UnderlineStyle } from '../../../common/buffer/Constants';
-import { BufferLine, DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';
+import { BufferLine, DEFAULT_ATTR_DATA } from '../../../common/buffer/BufferLine';
-import { BufferLineStringCache } from 'common/buffer/BufferLineStringCache';
+import { BufferLineStringCache } from '../../../common/buffer/BufferLineStringCache';
-import { IBufferLine } from 'common/Types';
+import { IBufferLine } from '../../../common/Types';
-import { CellData } from 'common/buffer/CellData';
+import { CellData } from '../../../common/buffer/CellData';
-import { MockCoreService, MockDecorationService, MockOptionsService, createCellData, NULL_CELL_DATA } from 'common/TestUtils.test';
+import { MockCoreService, MockDecorationService, MockOptionsService, createCellData, NULL_CELL_DATA } from '../../../common/TestUtils.test';
-import { MockCharacterJoinerService, MockCoreBrowserService, MockThemeService } from 'browser/TestUtils.test';
+import { MockCharacterJoinerService, MockCoreBrowserService, MockThemeService } from '../../TestUtils.test';
-import { TestWidthCache } from 'browser/renderer/dom/WidthCache.test';
+import { TestWidthCache } from './WidthCache.test';
 const TEST_STRING_CACHE = new BufferLineStringCache();
@@ -3,18 +3,18 @@
 * @license MIT
 */
-import { IBufferLine, ICellData, IColor } from 'common/Types';
+import { IBufferLine, ICellData, IColor } from '../../../common/Types';
-import { INVERTED_DEFAULT_COLOR } from 'browser/renderer/shared/Constants';
+import { INVERTED_DEFAULT_COLOR } from '../shared/Constants';
-import { WHITESPACE_CELL_CHAR, Attributes } from 'common/buffer/Constants';
+import { WHITESPACE_CELL_CHAR, Attributes } from '../../../common/buffer/Constants';
-import { CellData } from 'common/buffer/CellData';
+import { CellData } from '../../../common/buffer/CellData';
-import { ICoreService, IDecorationService, IOptionsService } from 'common/services/Services';
+import { ICoreService, IDecorationService, IOptionsService } from '../../../common/services/Services';
-import { channels, color } from 'common/Color';
+import { channels, color } from '../../../common/Color';
-import { ICharacterJoinerService, ICoreBrowserService, IThemeService } from 'browser/services/Services';
+import { ICharacterJoinerService, ICoreBrowserService, IThemeService } from '../../services/Services';
-import { JoinedCellData } from 'browser/services/CharacterJoinerService';
+import { JoinedCellData } from '../../services/CharacterJoinerService';
-import { treatGlyphAsBackgroundColor } from 'browser/renderer/shared/RendererUtils';
+import { treatGlyphAsBackgroundColor } from '../shared/RendererUtils';
-import { AttributeData } from 'common/buffer/AttributeData';
+import { AttributeData } from '../../../common/buffer/AttributeData';
-import { WidthCache } from 'browser/renderer/dom/WidthCache';
+import { WidthCache } from './WidthCache';
-import { IColorContrastCache } from 'browser/Types';
+import { IColorContrastCache } from '../../Types';
 export const enum RowCss {
@@ -90,14 +90,14 @@ export class DomRendererRowFactory {
    let charElement: HTMLSpanElement | undefined;
    let cellAmount = 0;
    let text = '';
-    let i = 0;
+    let i;
    let oldBg = 0;
    let oldFg = 0;
    let oldExt = 0;
    let oldLinkHover: number | boolean = false;
    let oldSpacing = 0;
    let oldIsInSelection: boolean = false;
-    let spacing = 0;
+    let spacing;
    let skipJoinedCheckUntilX = 0;
    const classes: string[] = [];
@@ -4,7 +4,7 @@
 */
 import * as assert from 'assert';
-import { IWidthCacheFontVariantCanvas, WidthCache, WidthCacheSettings } from 'browser/renderer/dom/WidthCache';
+import { IWidthCacheFontVariantCanvas, WidthCache, WidthCacheSettings } from './WidthCache';
 class MockWidthCacheFontVariantCanvas implements IWidthCacheFontVariantCanvas {
@@ -3,9 +3,9 @@
 * @license MIT
 */
-import { throwIfFalsy } from 'browser/renderer/shared/RendererUtils';
+import { throwIfFalsy } from '../shared/RendererUtils';
-import { IDisposable } from 'common/Types';
+import { IDisposable } from '../../../common/Types';
-import { FontWeight } from 'common/services/Services';
+import { FontWeight } from '../../../common/services/Services';
 export const enum WidthCacheSettings {
@@ -110,7 +110,7 @@ export class WidthCache implements IDisposable {
   * `variant` denotes the font variant to be used.
   */
  public get(c: string, bold: boolean | number, italic: boolean | number): number {
-    let cp = 0;
+    let cp: number;
    if (!bold && !italic && c.length === 1 && (cp = c.charCodeAt(0)) < WidthCacheSettings.FLAT_SIZE) {
      if (this._flat[cp] !== WidthCacheSettings.FLAT_UNSET) {
        return this._flat[cp];
@@ -3,7 +3,7 @@
 * @license MIT
 */
-import { computeNextVariantOffset } from 'browser/renderer/shared/RendererUtils';
+import { computeNextVariantOffset } from './RendererUtils';
 import { assert } from 'chai';
 describe('RendererUtils', () => {
@@ -3,7 +3,7 @@
 * @license MIT
 */
-import { IDimensions, IRenderDimensions } from 'browser/renderer/shared/Types';
+import { IDimensions, IRenderDimensions } from './Types';
 export function throwIfFalsy<T>(value: T | undefined | null): T {
  if (!value) {
@@ -3,8 +3,8 @@
 * @license MIT
 */
-import { ITerminal } from 'browser/Types';
+import { ITerminal } from '../../Types';
-import { ISelectionRenderModel } from 'browser/renderer/shared/Types';
+import { ISelectionRenderModel } from './Types';
 import { Terminal } from '@xterm/xterm';
 class SelectionRenderModel implements ISelectionRenderModel {
@@ -4,10 +4,10 @@
 */
 import { assert } from 'chai';
-import { TextBlinkStateManager } from 'browser/renderer/shared/TextBlinkStateManager';
+import { TextBlinkStateManager } from './TextBlinkStateManager';
-import { MockOptionsService } from 'common/TestUtils.test';
+import { MockOptionsService } from '../../../common/TestUtils.test';
-import type { ICoreBrowserService } from 'browser/services/Services';
+import type { ICoreBrowserService } from '../../services/Services';
-import { Emitter } from 'common/Event';
+import { Emitter } from '../../../common/Event';
 class FakeWindow {
  public nextId = 1;
@@ -3,9 +3,9 @@
 * @license MIT
 */
-import { ICoreBrowserService } from 'browser/services/Services';
+import { ICoreBrowserService } from '../../services/Services';
-import { Disposable, toDisposable } from 'common/Lifecycle';
+import { Disposable, toDisposable } from '../../../common/Lifecycle';
-import { IOptionsService } from 'common/services/Services';
+import { IOptionsService } from '../../../common/services/Services';
 export class TextBlinkStateManager extends Disposable {
  private _intervalDuration: number = 0;
@@ -4,9 +4,9 @@
 */
 import { Terminal } from '@xterm/xterm';
-import { ITerminal } from 'browser/Types';
+import { ITerminal } from '../../Types';
-import { IDisposable } from 'common/Types';
+import { IDisposable } from '../../../common/Types';
-import type { IEvent } from 'common/Event';
+import type { IEvent } from '../../../common/Event';
 export interface IDimensions {
  width: number;
@@ -11,7 +11,7 @@ import { ScrollbarArrow, IScrollbarArrowOptions } from './scrollbarArrow';
 import { ScrollbarState } from './scrollbarState';
 import { ScrollbarVisibilityController } from './scrollbarVisibilityController';
 import { Widget } from './widget';
-import * as platform from 'common/Platform';
+import * as platform from '../../common/Platform';
 import { INewScrollPosition, Scrollable, ScrollbarVisibility } from './scrollable';
 /**
@@ -4,7 +4,7 @@
 *--------------------------------------------------------------------------------------------*/
 import * as dom from '../Dom';
-import { DisposableStore, IDisposable, toDisposable } from 'common/Lifecycle';
+import { DisposableStore, IDisposable, toDisposable } from '../../common/Lifecycle';
 type PointerMoveCallback = (event: PointerEvent) => void;
 type OnStopCallback = () => void;
@@ -3,7 +3,7 @@
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
-import * as platform from 'common/Platform';
+import * as platform from '../../common/Platform';
 interface IWindowChainElement {
  readonly window: WeakRef<Window>;
@@ -3,8 +3,8 @@
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
-import { Emitter, IEvent } from 'common/Event';
+import { Emitter, IEvent } from '../../common/Event';
-import { Disposable, IDisposable } from 'common/Lifecycle';
+import { Disposable, IDisposable } from '../../common/Lifecycle';
 export const enum ScrollbarVisibility {
  AUTO = 1,
@@ -11,10 +11,10 @@ import { HorizontalScrollbar } from './horizontalScrollbar';
 import { IScrollableElementChangeOptions, IScrollableElementCreationOptions, IScrollableElementResolvedOptions } from './scrollableElementOptions';
 import { VerticalScrollbar } from './verticalScrollbar';
 import { Widget } from './widget';
-import { TimeoutTimer } from 'common/Async';
+import { TimeoutTimer } from '../../common/Async';
-import { Emitter, IEvent } from 'common/Event';
+import { Emitter, IEvent } from '../../common/Event';
-import { IDisposable, dispose } from 'common/Lifecycle';
+import { IDisposable, dispose } from '../../common/Lifecycle';
-import * as platform from 'common/Platform';
+import * as platform from '../../common/Platform';
 import { INewScrollDimensions, INewScrollPosition, IScrollDimensions, IScrollPosition, IScrollEvent, Scrollable, ScrollbarVisibility } from './scrollable';
 // import 'vs/css!./media/scrollbars';
@@ -5,7 +5,7 @@
 import { GlobalPointerMoveMonitor } from './globalPointerMoveMonitor';
 import { Widget } from './widget';
-import { TimeoutTimer } from 'common/Async';
+import { TimeoutTimer } from '../../common/Async';
 import * as dom from '../Dom';
 export interface IScrollbarArrowOptions {
@@ -4,8 +4,8 @@
 *--------------------------------------------------------------------------------------------*/
 import { FastDomNode } from './fastDomNode';
-import { TimeoutTimer } from 'common/Async';
+import { TimeoutTimer } from '../../common/Async';
-import { Disposable } from 'common/Lifecycle';
+import { Disposable } from '../../common/Lifecycle';
 import { ScrollbarVisibility } from './scrollable';
 export class ScrollbarVisibilityController extends Disposable {
@@ -4,7 +4,7 @@
 *--------------------------------------------------------------------------------------------*/
 import * as DomUtils from '../Dom';
-import { Disposable, IDisposable, toDisposable } from 'common/Lifecycle';
+import { Disposable, IDisposable, toDisposable } from '../../common/Lifecycle';
 const mainWindow = (typeof window === 'object' ? window : globalThis) as Window & typeof globalThis;
@@ -367,7 +367,7 @@ export class Gesture extends Disposable {
  private _dispatchEvent(event: IGestureEvent): void {
    if (event.type === EventType.TAP) {
      const currentTime = (new Date()).getTime();
-      let setTapCount = 0;
+      let setTapCount;
      if (currentTime - this._lastSetTapCountTime > Gesture._clearTapCountTime) {
        setTapCount = 1;
      } else {
@@ -5,7 +5,7 @@
 import * as dom from '../Dom';
 import { IMouseEvent, StandardMouseEvent } from './mouseEvent';
-import { Disposable } from 'common/Lifecycle';
+import { Disposable } from '../../common/Lifecycle';
 export abstract class Widget extends Disposable {
@@ -5,7 +5,7 @@
 import { assert } from 'chai';
 import { SelectionModel } from './SelectionModel';
-import { MockBufferService } from 'common/TestUtils.test';
+import { MockBufferService } from '../../common/TestUtils.test';
 describe('SelectionModel', () => {
  let model: SelectionModel;
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Daniel ImmsandCursor	3395d051a9	fix(parser): WASM scratch layout and scan cache for chunked parse Place parser state above the linked transition table so scans emit ops correctly, and preserve or clear the WASM scan cache across nested and reused parse buffers. Co-authored-by: Cursor <cursoragent@cursor.com>	2026-05-31 15:31:23 -07:00
Daniel ImmsandCursor	31b8409120	fix(parser): chunked WASM scan, op coalescing, and benchmark runtime paths The WASM scanner could fill its fixed 4096-op buffer on large inputs (e.g. 5MB of newlines or OSC traffic) and previously failed or appeared hung. ESC op coalescing also corrupted the lengths field used for dispatch, causing millions of redundant handler invocations on OSC benchmark data. WASM scanner (parser.c / parser.h): - Add scan_offset to ParserScanHeader; scan(offset, length) resumes after a partial fill instead of returning -1 for the whole buffer. - Return early from scan when the op buffer is full; all emit sites use emit_or_stop() so scan_offset records where to continue. - Coalesce consecutive OP_EXECUTE and OP_ESC ops with the same code/ident; lengths holds repeat count, starts holds the input index for ESC. - Keep CSI/DCS hook layout unchanged (lengths = final byte index, starts = param arena offset). TypeScript dispatch (EscapeSequenceParserWasm.ts): - Drive parsing via runWasmScanChunks(): scan a slice, dispatch ops, advance inputOffset to nextOffset until the chunk is consumed. - Fix ESC dispatch: chunkPos uses starts (input index); escCount uses lengths (repeat count). Avoid treating the CSI-style final-byte index as a loop bound. - Throw if nextOffset does not advance to catch stuck scans. EscapeSequenceParser.ts: - Extend _scanCache for chunked scan state; reset() clears inputOffset and cached scan data so later parses are not skipped. Benchmarks: - Import compiled modules from ../../out/common and ../../out/browser so npm run benchmark works without NODE_PATH after path-mapping removal. - Update benchmark skill notes accordingly. Build: - build_parser_wasm.sh selects a clang with wasm32 support (Homebrew LLVM on macOS when Xcode clang lacks the target). Co-authored-by: Cursor <cursoragent@cursor.com>	2026-05-31 15:06:00 -07:00
Cursor AgentandDaniel Imms	3eca55a80d	feat(parser): WASM VT500 scanner with ScanResult SOA dispatch - Add C WASM scanner emitting structure-of-arrays ops (kinds, starts, lengths, aux, params) - Integrate scan+dispatch in EscapeSequenceParser with async handler resume - Fix CSI fast-path final byte index, ERROR state reporting, and precedingJoinState for REP - Add build pipeline (build_parser_wasm.sh, transition table generator, wasm embed) Co-authored-by: Daniel Imms <Tyriar@users.noreply.github.com>	2026-05-31 21:35:02 +00:00
Daniel Imms	936442c813	Merge pull request #5964 from PerBothner/decoration-test Avoid "fake markers" in DecorationService.test.ts.	2026-05-31 11:57:36 -07:00
Daniel Imms	dfb65ca66f	Add mise.toml to .gitignore (#5968 ) <!-- CURSOR_AGENT_PR_BODY_BEGIN --> Ignores local `mise.toml` configuration at the repository root so it is not committed. <!-- CURSOR_AGENT_PR_BODY_END --> <div><a href="https://cursor.com/agents/bc-02c1c884-aae2-4267-b29b-fe7b93574ebe"><picture><source media="(prefers-color-scheme: dark)" srcset="https://cursor.com/assets/images/open-in-web-dark.png"><source media="(prefers-color-scheme: light)" srcset="https://cursor.com/assets/images/open-in-web-light.png"><img alt="Open in Web" width="114" height="28" src="https://cursor.com/assets/images/open-in-web-dark.png"></picture></a> <a href="https://cursor.com/background-agent?bcId=bc-02c1c884-aae2-4267-b29b-fe7b93574ebe"><picture><source media="(prefers-color-scheme: dark)" srcset="https://cursor.com/assets/images/open-in-cursor-dark.png"><source media="(prefers-color-scheme: light)" srcset="https://cursor.com/assets/images/open-in-cursor-light.png"><img alt="Open in Cursor" width="131" height="28" src="https://cursor.com/assets/images/open-in-cursor-dark.png"></picture></a> </div>	2026-05-31 10:52:07 -07:00
Per Bothner	35c91cbf2d	Merge branch 'master' into decoration-test	2026-05-31 10:13:17 -07:00
Cursor AgentandDaniel Imms	587856e2ca	Add mise.toml to .gitignore Co-authored-by: Daniel Imms <Tyriar@users.noreply.github.com>	2026-05-31 17:08:48 +00:00
Daniel Imms	4aa04c6b3f	Merge pull request #5967 from Tyriar/migrate-eslint-to-oxlint-5690 Migrate linting from ESLint to Oxlint (Fixes #5690)	2026-05-31 09:59:34 -07:00
Per Bothner	28eadddb79	Merge branch 'master' into decoration-test	2026-05-31 09:49:20 -07:00
Daniel ImmsandCursor	59d1ec7bf0	Migrate linting from ESLint to Oxlint (Fixes #5690 ) Replace the primary lint pipeline with oxlint and oxlint-tsgolint for type-aware TypeScript rules, preserving existing rule behavior from eslint.config.mjs via @oxlint/migrate and targeted jsPlugins (@stylistic/eslint-plugin, eslint-plugin-jsdoc as jsdoc-js, oxlint-plugin-eslint for no-restricted-syntax and object-curly-spacing). Keep a hybrid ESLint pass (eslint.config.naming.mjs) only for @typescript-eslint/naming-convention until tsgolint implements it (oxc-project/tsgolint#186). Legacy eslint.config.mjs and eslint.config.typings.mjs remain for reference but are no longer used by npm scripts. Add .oxlintrc.json for src/addons/demo/test and .oxlintrc.typings.json for typings/ (syntax-only, no --type-aware). Update lint, lint-fix, lint-api, and lint-changes to run oxlint first, then naming ESLint. Platform binaries install via oxlint-tsgolint optionalDependencies on Linux, macOS, and Windows. Fixes https://github.com/xtermjs/xterm.js/issues/5690 Co-authored-by: Cursor <cursoragent@cursor.com>	2026-05-31 09:48:32 -07:00
Per Bothner	7c82c1a815	Update more DecorationService tests to use existing bufferService.	2026-05-31 09:48:19 -07:00
Daniel Imms	04a0b7347c	Merge pull request #5966 from Tyriar/remove-path-mappings-5896 Remove TypeScript path mappings in favor of relative imports	2026-05-31 09:31:57 -07:00
Daniel ImmsandCursor	5d8da19c44	Keep path mappings for addons after core migration Follow-up to https://github.com/xtermjs/xterm.js/issues/5896 / PR #5966. Converting addons to ../../../src/common relative imports broke unit tests: esbuild emits addon code under addons//out-esbuild/ without mirroring the shared tree, so Node could not load TypeScript sources at runtime (Cannot find module '../../../src/common/Lifecycle'). Core src/, test/, and headless continue to use relative imports with no common/ path mappings. Addons keep the prior model until build layout can share out-esbuild the same way as the main package. Changes: - Restore common/* and browser/* paths in addon src/test/benchmark tsconfigs - Revert addon imports to common/ and browser/ path-mapped specifiers - Restore NODE_PATH=out-esbuild in bin/test_unit.js for Mocha resolution - Restore webpack resolve.alias on addons that bundle against out/ Fixes CI test-unit failures on remove-path-mappings-5896. Co-authored-by: Cursor <cursoragent@cursor.com>	2026-05-31 09:25:12 -07:00
Daniel ImmsandCursor	17ad33dc3d	Remove TypeScript path mappings in favor of relative imports Fixes https://github.com/xtermjs/xterm.js/issues/5896 TypeScript path mappings for common/, browser/, and headless/* were not rewritten in emitted JavaScript, which forced webpack resolve aliases and NODE_PATH workarounds so runtime could resolve modules. That added build complexity and broke tooling such as ESLint import/no-cycle. Changes: - Convert ~750 imports across src/, addons/, and test/ to relative paths - Remove common/browser/headless paths and src catch-all mappings from tsconfigs (keep @xterm/addon-* demo and addon typings paths) - Remove webpack resolve.alias for common, browser, headless, and vs - Drop NODE_PATH from unit tests, benchmarks, and VS Code launch config - Fix addon-image IIPImageStorage to import ./Types after removing catch-all * Verified: npm run build, esbuild, package, package-headless Co-authored-by: Cursor <cursoragent@cursor.com>	2026-05-31 09:16:10 -07:00
Per Bothner	f76c7aa8ea	Avoid "fake markers" in DecorationService.test.ts. Instead we use an actual Marker in an actual Buffer.	2026-05-30 14:07:03 -07:00
Daniel Imms	43e8365f0e	Merge pull request #5960 from xtermjs/cursor/move-fixtures-1191 Move fixtures to test/fixtures	2026-05-28 07:06:21 -07:00
Cursor AgentandDaniel Imms	c7a94fc0bc	Move fixtures to test/fixtures and update references Co-authored-by: Daniel Imms <Tyriar@users.noreply.github.com>	2026-05-28 14:01:12 +00:00
Daniel Imms	4bb9c06b5f	Merge pull request #5953 from xtermjs/cursor/alt-click-for-mouse-events-5b17 Add altClickForMouseEvents option	2026-05-28 06:35:56 -07:00
Daniel Imms	00e54532b3	Merge pull request #5959 from xtermjs/cursor/setup-dev-environment-dc0c Add Cursor Cloud specific instructions to AGENTS.md	2026-05-27 22:13:27 -07:00
Cursor AgentandDaniel Imms	e96133603b	Add Cursor Cloud specific instructions to AGENTS.md Add development environment guidance for cloud agents including: - Demo server startup notes - Build-before-test requirements - Note about no external services needed - tsgo compiler note - Lint optimization tip Co-authored-by: Daniel Imms <Tyriar@users.noreply.github.com>	2026-05-28 05:10:34 +00:00
Daniel Imms	b2003861ec	Merge pull request #5859 from xtermjs/iip_enhancements IIP enhancements	2026-05-27 20:36:13 -07:00
Daniel Imms	38f77fd4ca	Merge branch 'master' into iip_enhancements	2026-05-27 20:16:36 -07:00
Daniel Imms	d3352cf1d5	Merge pull request #5873 from xtermjs/package_upgrades package upgrades & linter fixes	2026-05-27 20:16:08 -07:00
Daniel Imms	0c4ec34df8	Remove unnecessary @types/lru-cache	2026-05-27 20:11:20 -07:00
Daniel Imms	743852b60c	Remove unneeded comment	2026-05-27 19:58:52 -07:00
Daniel Imms	2069176528	Fix lint	2026-05-27 19:58:21 -07:00
Daniel Imms	acd2472961	Merge remote-tracking branch 'upstream/master' into package_upgrades	2026-05-27 19:23:43 -07:00
Daniel ImmsandCursor	1b95efa8c8	Add explicit void return type to alt cursor event listener. Fixes explicit-function-return-type lint in AltMouseCursorController. Co-authored-by: Cursor <cursoragent@cursor.com>	2026-05-27 16:54:23 -07:00
Daniel ImmsandCursor	ce1f5f9608	Add MouseEventCssClasses const enum for enable-mouse-events class. Centralize the CSS class name in MouseService.ts and use it across mouse mode handling and tests. Co-authored-by: Cursor <cursoragent@cursor.com>	2026-05-27 16:23:17 -07:00
Daniel ImmsandCursor	bf8af4a871	Toggle enable-mouse-events cursor while alt is held for mouseEventsRequireAlt. Extract AltMouseCursorController to bind DOM listeners only when the option and mouse protocol are active. Co-authored-by: Cursor <cursoragent@cursor.com>	2026-05-27 16:20:45 -07:00
Daniel ImmsandCursor	f8e9a81d0e	Fix mouseEventsRequireAlt by stripping alt from PTY mouse reports. Alt is only used locally to gate passthrough; applications like tmux ignore alt-modified SGR sequences. Co-authored-by: Cursor <cursoragent@cursor.com>	2026-05-27 16:11:35 -07:00
Cursor AgentandDaniel Imms	7711d780c2	Handle mouseEventsRequireAlt option changes in mouse mode Co-authored-by: Daniel Imms <Tyriar@users.noreply.github.com>	2026-05-27 21:59:23 +00:00
Cursor AgentandDaniel Imms	f8cef535c7	Rename altClickForMouseEvents to mouseEventsRequireAlt Co-authored-by: Daniel Imms <Tyriar@users.noreply.github.com>	2026-05-27 21:41:44 +00:00
Cursor AgentandDaniel Imms	5ad56446b8	Explicitly enable selection when altClickForMouseEvents is on at attach Co-authored-by: Daniel Imms <Tyriar@users.noreply.github.com>	2026-05-27 21:20:17 +00:00
Cursor AgentandDaniel Imms	fbb2a9710f	Add altClickForMouseEvents option for issue #5952 When enabled during mouse events mode, click/drag/move events require the alt key while wheel events are unaffected. Selection stays enabled by default and takes precedence over macOptionClickForcesSelection. Co-authored-by: Daniel Imms <Tyriar@users.noreply.github.com>	2026-05-27 20:13:31 +00:00
Jörg Breitbart	5a6427e867	Merge branch 'master' into package_upgrades	2026-05-21 13:45:03 +02:00
Jörg Breitbart	8519ac6d99	Merge branch 'master' into package_upgrades	2026-05-21 13:34:12 +02:00
jerch	ae611694de	Merge branch 'master' into iip_enhancements	2026-05-21 12:47:09 +02:00
jerch	772df0cb98	Merge branch 'master' into iip_enhancements	2026-05-11 17:03:53 +02:00
jerch	aa93189cc5	Merge branch 'master' into package_upgrades	2026-05-11 16:57:49 +02:00
Jörg Breitbart	f82a8029d2	fix README	2026-05-10 21:27:52 +02:00
Jörg Breitbart	a2f321c887	add multipart demo	2026-05-10 21:08:22 +02:00
Jörg Breitbart	eb58cefa8e	add integration tests for filepart	2026-05-10 20:34:43 +02:00
Jörg Breitbart	d92ca87cbe	add qoi metrics test	2026-05-10 19:32:47 +02:00
jerch	224167bbbe	Merge branch 'master' into iip_enhancements	2026-05-09 22:59:22 +02:00
Jörg Breitbart	740fa44ae4	make webfont loading tests more resilient	2026-05-09 18:13:16 +02:00
Jörg Breitbart	636baa8d79	make webfont loading tests more resilient	2026-05-09 18:06:59 +02:00
Jörg Breitbart	44a27dc958	make webfont loading tests more resilient	2026-05-09 17:59:33 +02:00
Jörg Breitbart	dc1ae4514b	package upgrades & linter fixes	2026-05-09 17:42:49 +02:00
Jörg Breitbart	494cf1f2e1	make linter happy	2026-04-30 16:54:54 +02:00
Jörg Breitbart	645865efec	fix cursor placement in IIP	2026-04-30 16:46:22 +02:00
Jörg Breitbart	83e3657a82	fix _mouseCoordsService access in demo	2026-04-30 15:21:41 +02:00
Jörg Breitbart	53554a05f7	use _coreBrowserService.dpr	2026-04-30 10:44:38 +02:00
Jörg Breitbart	51c8d8abf8	implement ReportCellSize	2026-04-30 10:36:41 +02:00
Jörg Breitbart	05ea5ac324	implement ReportCellSize	2026-04-30 10:33:34 +02:00
Jörg Breitbart	9e27c7debb	filepart handling in IIP	2026-04-29 21:36:45 +02:00