Fix lgtm recommendations

addons/xterm-addon-canvas/src/SelectionRenderLayer.ts

@@ -3,12 +3,11 @@
  * @license MIT
  */
 
-import { IRenderDimensions, IRequestRedrawEvent } from 'browser/renderer/Types';
+import { IRenderDimensions } from 'browser/renderer/Types';
 import { BaseRenderLayer } from './BaseRenderLayer';
 import { IColorSet } from 'browser/Types';
 import { IBufferService, IDecorationService, IOptionsService } from 'common/services/Services';
 import { ICoreBrowserService } from 'browser/services/Services';
-import { IEventEmitter } from 'common/EventEmitter';
 
 interface ISelectionState {
   start?: [number, number];

addons/xterm-addon-webgl/src/GlyphRenderer.ts

@@ -8,7 +8,7 @@ import { WebglCharAtlas } from './atlas/WebglCharAtlas';
 import { IWebGL2RenderingContext, IWebGLVertexArrayObject, IRenderModel, IRasterizedGlyph } from './Types';
 import { fill } from 'common/TypedArrayUtils';
 import { NULL_CELL_CODE } from 'common/buffer/Constants';
-import { Terminal, IBufferLine } from 'xterm';
+import { Terminal } from 'xterm';
 import { IColorSet } from 'browser/Types';
 import { IRenderDimensions } from 'browser/renderer/Types';
 import { Disposable, toDisposable } from 'common/Lifecycle';

addons/xterm-addon-webgl/src/Types.d.ts

@@ -3,10 +3,6 @@
  * @license MIT
  */
 
-export interface IRasterizedGlyphSet {
-  [bg: number]: { [fg: number]: { [ext: number]: IRasterizedGlyph } } | undefined;
-}
-
 /**
  * Represents a rasterized glyph within a texture atlas. Some numbers are
  * tracked in CSS pixels as well in order to reduce calculations during the

addons/xterm-addon-webgl/src/atlas/WebglCharAtlas.ts

@@ -5,7 +5,7 @@
 
 import { ICharAtlasConfig } from './Types';
 import { DIM_OPACITY, TEXT_BASELINE } from 'browser/renderer/Constants';
-import { IRasterizedGlyph, IBoundingBox, IRasterizedGlyphSet } from '../Types';
+import { IRasterizedGlyph, IBoundingBox } from '../Types';
 import { DEFAULT_COLOR, Attributes, DEFAULT_EXT, UnderlineStyle } from 'common/buffer/Constants';
 import { throwIfFalsy } from '../WebglUtils';
 import { IColor } from 'common/Types';
@@ -450,7 +450,6 @@ export class WebglCharAtlas implements IDisposable {
       // Underline style/stroke
       this._tmpCtx.beginPath();
       const xLeft = padding;
-      const xRight = padding + this._config.scaledCellWidth * chWidth;
       const yTop = Math.ceil(padding + this._config.scaledCharHeight) - yOffset;
       const yMid = padding + this._config.scaledCharHeight + lineWidth - yOffset;
       const yBot = Math.ceil(padding + this._config.scaledCharHeight + lineWidth * 2) - yOffset;

addons/xterm-addon-webgl/src/renderLayer/CursorRenderLayer.ts

@@ -7,7 +7,7 @@ import { Terminal } from 'xterm';
 import { BaseRenderLayer } from './BaseRenderLayer';
 import { ICellData } from 'common/Types';
 import { CellData } from 'common/buffer/CellData';
-import { IColorSet, ITerminal } from 'browser/Types';
+import { IColorSet } from 'browser/Types';
 import { IRenderDimensions, IRequestRedrawEvent } from 'browser/renderer/Types';
 import { IEventEmitter } from 'common/EventEmitter';
 import { ICoreBrowserService } from 'browser/services/Services';

bin/extract_vtfeatures.js

@@ -362,7 +362,7 @@ function* parseMultiLineGen(filename, s) {
   if (!s.includes('@vt:')) {
     return;
   }
-  const lines = s.split('\n').map(el => el.trim().replace(/\*/, '').replace(/\s/, ''));
+  const lines = s.split('\n').map(el => el.trim().replace(/\*/, '').replace(/\s/, '')); // lgtm [js/incomplete-sanitization]
   let grabLine = false;
   let longDescription = [];
   let feature = undefined;

demo/index.html

@@ -10,8 +10,8 @@
     <link rel="shortcut icon" type="image/png" href="/logo.png">
     <link rel="stylesheet" href="/xterm.css" />
     <link rel="stylesheet" href="/style.css" />
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/es6-promise/4.1.1/es6-promise.auto.min.js"></script>
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/fetch/1.0.0/fetch.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/es6-promise/4.1.1/es6-promise.auto.min.js" integrity="sha384-kM3+BR0fKGmv8mDasMGLSHdqcbgWHUNWV1rAL+tkqnH578xS82vhlu9gR5BHhBai" crossorigin="anonymous"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/fetch/1.0.0/fetch.min.js" integrity="sha384-bR8my2pcqqtUkMMTomrgTyDVACSJz1M9D70XdkeK2BaYbCYxG3CfngYdSAOcPkUZ" crossorigin="anonymous"></script>
   </head>
   <body>
     <h1 style="color: #2D2E2C">xterm.js: A terminal for the <em style="color: #5DA5D5">web</em></h1>

src/browser/Terminal.ts

@@ -213,22 +213,20 @@ export class Terminal extends CoreTerminal implements ITerminal {
           acc = 'ansi';
           ident = '4;' + req.index;
       }
-      if (acc) {
-        switch (req.type) {
-          case ColorRequestType.REPORT:
-            const channels = color.toColorRGB(acc === 'ansi'
-              ? this._colorManager.colors.ansi[req.index]
-              : this._colorManager.colors[acc]);
-            this.coreService.triggerDataEvent(`${C0.ESC}]${ident};${toRgbString(channels)}${C1_ESCAPED.ST}`);
-            break;
-          case ColorRequestType.SET:
-            if (acc === 'ansi') this._colorManager.colors.ansi[req.index] = rgba.toColor(...req.color);
-            else this._colorManager.colors[acc] = rgba.toColor(...req.color);
-            break;
-          case ColorRequestType.RESTORE:
-            this._colorManager.restoreColor(req.index);
-            break;
-        }
+      switch (req.type) {
+        case ColorRequestType.REPORT:
+          const channels = color.toColorRGB(acc === 'ansi'
+            ? this._colorManager.colors.ansi[req.index]
+            : this._colorManager.colors[acc]);
+          this.coreService.triggerDataEvent(`${C0.ESC}]${ident};${toRgbString(channels)}${C1_ESCAPED.ST}`);
+          break;
+        case ColorRequestType.SET:
+          if (acc === 'ansi') this._colorManager.colors.ansi[req.index] = rgba.toColor(...req.color);
+          else this._colorManager.colors[acc] = rgba.toColor(...req.color);
+          break;
+        case ColorRequestType.RESTORE:
+          this._colorManager.restoreColor(req.index);
+          break;
       }
     }
     this._renderService?.setColors(this._colorManager.colors);

src/browser/TestUtils.test.ts

@@ -7,7 +7,7 @@ import { IDisposable, IMarker, ILinkProvider, IDecorationOptions, IDecoration }
 import { IEvent, EventEmitter } from 'common/EventEmitter';
 import { ICharacterJoinerService, ICharSizeService, ICoreBrowserService, IMouseService, IRenderService, ISelectionService } from 'browser/services/Services';
 import { IRenderDimensions, IRenderer, IRequestRedrawEvent } from 'browser/renderer/Types';
-import { IColorSet, ITerminal, ILinkifier2, IBrowser, IViewport, IColorManager, ICompositionHelper, CharacterJoinerHandler, IRenderDebouncer, IBufferRange } from 'browser/Types';
+import { IColorSet, ITerminal, ILinkifier2, IBrowser, IViewport, IColorManager, ICompositionHelper, CharacterJoinerHandler, IBufferRange } from 'browser/Types';
 import { IBuffer, IBufferStringIterator, IBufferSet } from 'common/buffer/Types';
 import { IBufferLine, ICellData, IAttributeData, ICircularList, XtermListener, ICharset, ITerminalOptions } from 'common/Types';
 import { Buffer } from 'common/buffer/Buffer';

src/browser/decorations/OverviewRulerRenderer.ts

@@ -7,7 +7,7 @@ import { ColorZoneStore, IColorZone, IColorZoneStore } from 'browser/decorations
 import { addDisposableDomListener } from 'browser/Lifecycle';
 import { IRenderService } from 'browser/services/Services';
 import { Disposable } from 'common/Lifecycle';
-import { IBufferService, IDecorationService, IInternalDecoration, IOptionsService } from 'common/services/Services';
+import { IBufferService, IDecorationService, IOptionsService } from 'common/services/Services';
 
 // Helper objects to avoid excessive calculation and garbage collection during rendering. These are
 // static values for each render and can be accessed using the decoration position as the key.

src/browser/public/Terminal.ts

@@ -3,7 +3,7 @@
  * @license MIT
  */
 
-import { Terminal as ITerminalApi, IMarker, IDisposable, ILocalizableStrings, ITerminalAddon, IBufferNamespace as IBufferNamespaceApi, IParser, ILinkProvider, IUnicodeHandling, FontWeight, IModes, IDecorationOptions, IDecoration } from 'xterm';
+import { Terminal as ITerminalApi, IMarker, IDisposable, ILocalizableStrings, ITerminalAddon, IBufferNamespace as IBufferNamespaceApi, IParser, ILinkProvider, IUnicodeHandling, IModes, IDecorationOptions, IDecoration } from 'xterm';
 import { IBufferRange, ITerminal } from 'browser/Types';
 import { Terminal as TerminalCore } from 'browser/Terminal';
 import * as Strings from 'browser/LocalizableStrings';

src/browser/renderer/dom/DomRenderer.ts

@@ -9,7 +9,7 @@ import { INVERTED_DEFAULT_COLOR } from 'browser/renderer/Constants';
 import { Disposable } from 'common/Lifecycle';
 import { IColorSet, ILinkifierEvent, ILinkifier2 } from 'browser/Types';
 import { ICharSizeService } from 'browser/services/Services';
-import { IOptionsService, IBufferService, IInstantiationService, IDecorationService } from 'common/services/Services';
+import { IOptionsService, IBufferService, IInstantiationService } from 'common/services/Services';
 import { EventEmitter, IEvent } from 'common/EventEmitter';
 import { color } from 'common/Color';
 import { removeElementFromParent } from 'browser/Dom';

src/browser/services/RenderService.ts

@@ -9,7 +9,7 @@ import { EventEmitter, IEvent } from 'common/EventEmitter';
 import { Disposable } from 'common/Lifecycle';
 import { ScreenDprMonitor } from 'browser/ScreenDprMonitor';
 import { addDisposableDomListener } from 'browser/Lifecycle';
-import { IColorSet, IRenderDebouncer, IRenderDebouncerWithCallback } from 'browser/Types';
+import { IColorSet, IRenderDebouncerWithCallback } from 'browser/Types';
 import { IOptionsService, IBufferService, IDecorationService } from 'common/services/Services';
 import { ICharSizeService, IRenderService } from 'browser/services/Services';
 

src/browser/services/Services.ts

@@ -5,12 +5,10 @@
 
 import { IEvent } from 'common/EventEmitter';
 import { IRenderDimensions, IRenderer } from 'browser/renderer/Types';
-import { IColorSet, IRenderDebouncer } from 'browser/Types';
+import { IColorSet } from 'browser/Types';
 import { ISelectionRedrawRequestEvent as ISelectionRequestRedrawEvent, ISelectionRequestScrollLinesEvent } from 'browser/selection/Types';
 import { createDecorator } from 'common/services/ServiceRegistry';
 import { IDisposable } from 'common/Types';
-import { IDecorationOptions, IDecoration } from 'xterm';
-import { IBufferService } from 'common/services/Services';
 
 export const ICharSizeService = createDecorator<ICharSizeService>('CharSizeService');
 export interface ICharSizeService {

src/common/CoreTerminal.ts

@@ -27,7 +27,7 @@ import { InstantiationService } from 'common/services/InstantiationService';
 import { LogService } from 'common/services/LogService';
 import { BufferService, MINIMUM_COLS, MINIMUM_ROWS } from 'common/services/BufferService';
 import { OptionsService } from 'common/services/OptionsService';
-import { IDisposable, IBufferLine, IAttributeData, ICoreTerminal, IKeyboardEvent, IScrollEvent, ScrollSource, ITerminalOptions as IPublicTerminalOptions } from 'common/Types';
+import { IDisposable, IAttributeData, ICoreTerminal, IScrollEvent, ScrollSource } from 'common/Types';
 import { CoreService } from 'common/services/CoreService';
 import { EventEmitter, IEvent, forwardEvent } from 'common/EventEmitter';
 import { CoreMouseService } from 'common/services/CoreMouseService';

src/common/services/OptionsService.ts

@@ -120,7 +120,6 @@ export class OptionsService implements IOptionsService {
           throw new Error(`"${value}" is not a valid value for ${key}`);
         }
         break;
-      case 'cursorStyle':
       case 'wordSeparator':
         if (!value) {
           value = DEFAULT_OPTIONS[key];

src/common/services/Services.ts

@@ -5,7 +5,7 @@
 
 import { IEvent, IEventEmitter } from 'common/EventEmitter';
 import { IBuffer, IBufferSet } from 'common/buffer/Types';
-import { IDecPrivateModes, ICoreMouseEvent, CoreMouseEncoding, ICoreMouseProtocol, CoreMouseEventType, ICharset, IWindowOptions, IModes, IAttributeData, ScrollSource, IDisposable, IColorRGB, IColor, CursorStyle, IOscLinkData } from 'common/Types';
+import { IDecPrivateModes, ICoreMouseEvent, CoreMouseEncoding, ICoreMouseProtocol, CoreMouseEventType, ICharset, IWindowOptions, IModes, IAttributeData, ScrollSource, IDisposable, IColor, CursorStyle, IOscLinkData } from 'common/Types';
 import { createDecorator } from 'common/services/ServiceRegistry';
 import { IDecorationOptions, IDecoration, ILinkHandler } from 'xterm';