Merge pull request #2974 from Tyriar/r470

v4.7.0

.eslintrc.json

@@ -32,6 +32,7 @@
     "@typescript-eslint"
   ],
   "rules": {
+    "no-extra-semi": "error",
     "@typescript-eslint/array-type": [
       "warn",
       {

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:8
+FROM node:12
 MAINTAINER Paris Kasidiaris <paris@sourcelair.com>
 
 # Set the working directory

README.md

@@ -162,7 +162,9 @@ Xterm.js is used in several world-class applications to provide great terminal e
 - [**x-terminal**](https://atom.io/packages/x-terminal): Atom plugin for providing terminals inside your Atom workspace.
 - [**CoCalc**](https://cocalc.com/): Lots of free software pre-installed, to chat, collaborate, develop, program, publish, research, share, teach, in C++, HTML, Julia, Jupyter, LaTeX, Markdown, Python, R, SageMath, Scala, ...
 - [**Dank Domain**](https://www.DDgame.us/): Open source multiuser medieval game supporting old & new terminal emulation.
-
+- [**DockerStacks**](https://docker-stacks.com/): Local LAMP/LEMP development studio
+- [**Codecademy**](https://codecademy.com/): Uses xterm.js in its courses on Bash. 
+- [**Laravel Ssh Web Client**](https://github.com/roke22/Laravel-ssh-client): Laravel server inventory with ssh web client to connect at server using xterm.js
 [And much more...](https://github.com/xtermjs/xterm.js/network/dependents)
 
 Do you use xterm.js in your application as well? Please [open a Pull Request](https://github.com/sourcelair/xterm.js/pulls) to include it here. We would love to have it in our list. Note: Please add any new contributions to the end of the list only.

addons/xterm-addon-ligatures/bin/download-fonts.js

@@ -12,7 +12,7 @@ const mkdirp = require('mkdirp');
 const yauzl = require('yauzl');
 
 const urls = {
-  fira: 'https://github.com/tonsky/FiraCode/raw/master/distr/otf/FiraCode-Regular.otf',
+  fira: 'https://github.com/tonsky/FiraCode/raw/d42e7276fa925e5f82748f3ec9ea429736611b48/distr/otf/FiraCode-Regular.otf',
   iosevka: 'https://github.com/be5invis/Iosevka/releases/download/v1.14.3/01-iosevka-1.14.3.zip'
 };
 

addons/xterm-addon-webgl/package.json

@@ -1,6 +1,6 @@
 {
   "name": "xterm-addon-webgl",
-  "version": "0.7.0",
+  "version": "0.8.0",
   "author": {
     "name": "The xterm.js authors",
     "url": "https://xtermjs.org/"

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

@@ -20,7 +20,7 @@ export function generateConfig(scaledCharWidth: number, scaledCharHeight: number
     background: colors.background,
     cursor: NULL_COLOR,
     cursorAccent: NULL_COLOR,
-    selection: NULL_COLOR,
+    selectionTransparent: NULL_COLOR,
     selectionOpaque: NULL_COLOR,
     // For the static char atlas, we only use the first 16 colors, but we need all 256 for the
     // dynamic character atlas.

package.json

@@ -1,7 +1,7 @@
 {
   "name": "xterm",
   "description": "Full xterm terminal, in your browser",
-  "version": "4.6.0",
+  "version": "4.7.0",
   "main": "lib/xterm.js",
   "style": "css/xterm.css",
   "types": "typings/xterm.d.ts",
@@ -39,15 +39,15 @@
     "@types/chai": "^4.2.11",
     "@types/debug": "^4.1.5",
     "@types/deep-equal": "^1.0.1",
-    "@types/glob": "^7.1.1",
-    "@types/jsdom": "^16.2.1",
+    "@types/glob": "^7.1.2",
+    "@types/jsdom": "^16.2.3",
     "@types/mocha": "^7.0.2",
     "@types/node": "^10.17.17",
     "@types/utf8": "^2.1.6",
-    "@types/webpack": "^4.41.12",
-    "@types/ws": "^7.2.4",
-    "@typescript-eslint/eslint-plugin": "^2.33.0",
-    "@typescript-eslint/parser": "^2.33.0",
+    "@types/webpack": "^4.41.17",
+    "@types/ws": "^7.2.5",
+    "@typescript-eslint/eslint-plugin": "^2.34.0",
+    "@typescript-eslint/parser": "^2.34.0",
     "chai": "^4.2.0",
     "deep-equal": "^2.0.3",
     "eslint": "^6.8.0",
@@ -55,13 +55,13 @@
     "express-ws": "^4.0.0",
     "glob": "^7.0.5",
     "jsdom": "^16.2.2",
-    "mocha": "^7.1.2",
+    "mocha": "^8.0.1",
     "mustache": "^4.0.1",
     "node-pty": "^0.9.0",
-    "nyc": "^15.0.1",
+    "nyc": "^15.1.0",
     "playwright-core": "^0.11.1",
-    "source-map-loader": "^0.2.4",
-    "ts-loader": "^7.0.4",
+    "source-map-loader": "^1.0.0",
+    "ts-loader": "^7.0.5",
     "typescript": "3.9",
     "utf8": "^3.0.0",
     "webpack": "^4.43.0",

src/browser/AccessibilityManager.ts

@@ -12,6 +12,7 @@ import { addDisposableDomListener } from 'browser/Lifecycle';
 import { Disposable } from 'common/Lifecycle';
 import { ScreenDprMonitor } from 'browser/ScreenDprMonitor';
 import { IRenderService } from 'browser/services/Services';
+import { removeElementFromParent } from 'browser/Dom';
 
 const MAX_ROWS_TO_READ = 20;
 
@@ -106,7 +107,7 @@ export class AccessibilityManager extends Disposable {
 
   public dispose(): void {
     super.dispose();
-    this._terminal.element?.removeChild(this._accessibilityTreeRoot);
+    removeElementFromParent(this._accessibilityTreeRoot);
     this._rowElements.length = 0;
   }
 
@@ -240,9 +241,7 @@ export class AccessibilityManager extends Disposable {
 
     // Only detach/attach on mac as otherwise messages can go unaccounced
     if (isMac) {
-      if (this._liveRegion.parentNode) {
-        this._accessibilityTreeRoot.removeChild(this._liveRegion);
-      }
+      removeElementFromParent(this._liveRegion);
     }
   }
 

src/browser/Color.test.ts

@@ -117,11 +117,43 @@ describe('Color', () => {
         assert.deepEqual(color.opaque({ css: '#ffffffff', rgba: 0xffffffff }), { css: '#ffffff', rgba: 0xffffffFF });
       });
     });
+
+    describe('isOpaque', () => {
+      it('should return true for opaque colors', () => {
+        assert.ok(color.isOpaque(css.toColor('#000000')));
+        assert.ok(color.isOpaque(css.toColor('#000000ff')));
+        assert.ok(color.isOpaque(css.toColor('#808080')));
+        assert.ok(color.isOpaque(css.toColor('#808080ff')));
+        assert.ok(color.isOpaque(css.toColor('#ffffff')));
+        assert.ok(color.isOpaque(css.toColor('#ffffffff')));
+      });
+      it('should return false for transparent colors', () => {
+        assert.ok(!color.isOpaque(css.toColor('#00000000')));
+        assert.ok(!color.isOpaque(css.toColor('#00000080')));
+        assert.ok(!color.isOpaque(css.toColor('#000000fe')));
+        assert.ok(!color.isOpaque(css.toColor('#80808000')));
+        assert.ok(!color.isOpaque(css.toColor('#80808080')));
+        assert.ok(!color.isOpaque(css.toColor('#808080fe')));
+        assert.ok(!color.isOpaque(css.toColor('#ffffff00')));
+        assert.ok(!color.isOpaque(css.toColor('#ffffff80')));
+        assert.ok(!color.isOpaque(css.toColor('#fffffffe')));
+      });
+    });
+
+    describe('opacity', () => {
+      it('should make the color transparent', () => {
+        assert.deepEqual(color.opacity(css.toColor('#000000'), 0), { css: '#00000000', rgba: 0x00000000 });
+        assert.deepEqual(color.opacity(css.toColor('#000000'), 0.25), { css: '#00000040', rgba: 0x00000040 });
+        assert.deepEqual(color.opacity(css.toColor('#000000'), 0.5), { css: '#00000080', rgba: 0x00000080 });
+        assert.deepEqual(color.opacity(css.toColor('#000000'), 0.75), { css: '#000000bf', rgba: 0x000000bf });
+        assert.deepEqual(color.opacity(css.toColor('#000000'), 1), { css: '#000000ff', rgba: 0x000000ff });
+      });
+    });
   });
 
   describe('css', () => {
     describe('toColor', () => {
-      it('should covert a CSS string to an IColor', () => {
+      it('should convert the #rrggbb format to an IColor', () => {
         assert.deepEqual(css.toColor('#000000'), { css: '#000000', rgba: 0x000000FF });
         assert.deepEqual(css.toColor('#101010'), { css: '#101010', rgba: 0x101010FF });
         assert.deepEqual(css.toColor('#202020'), { css: '#202020', rgba: 0x202020FF });
@@ -140,6 +172,25 @@ describe('Color', () => {
         assert.deepEqual(css.toColor('#f0f0f0'), { css: '#f0f0f0', rgba: 0xf0f0f0FF });
         assert.deepEqual(css.toColor('#ffffff'), { css: '#ffffff', rgba: 0xffffffFF });
       });
+      it('should convert the #rrggbbaa format to an IColor', () => {
+        assert.deepEqual(css.toColor('#00000000'), { css: '#00000000', rgba: 0x00000000 });
+        assert.deepEqual(css.toColor('#10101010'), { css: '#10101010', rgba: 0x10101010 });
+        assert.deepEqual(css.toColor('#20202020'), { css: '#20202020', rgba: 0x20202020 });
+        assert.deepEqual(css.toColor('#30303030'), { css: '#30303030', rgba: 0x30303030 });
+        assert.deepEqual(css.toColor('#40404040'), { css: '#40404040', rgba: 0x40404040 });
+        assert.deepEqual(css.toColor('#50505050'), { css: '#50505050', rgba: 0x50505050 });
+        assert.deepEqual(css.toColor('#60606060'), { css: '#60606060', rgba: 0x60606060 });
+        assert.deepEqual(css.toColor('#70707070'), { css: '#70707070', rgba: 0x70707070 });
+        assert.deepEqual(css.toColor('#80808080'), { css: '#80808080', rgba: 0x80808080 });
+        assert.deepEqual(css.toColor('#90909090'), { css: '#90909090', rgba: 0x90909090 });
+        assert.deepEqual(css.toColor('#a0a0a0a0'), { css: '#a0a0a0a0', rgba: 0xa0a0a0a0 });
+        assert.deepEqual(css.toColor('#b0b0b0b0'), { css: '#b0b0b0b0', rgba: 0xb0b0b0b0 });
+        assert.deepEqual(css.toColor('#c0c0c0c0'), { css: '#c0c0c0c0', rgba: 0xc0c0c0c0 });
+        assert.deepEqual(css.toColor('#d0d0d0d0'), { css: '#d0d0d0d0', rgba: 0xd0d0d0d0 });
+        assert.deepEqual(css.toColor('#e0e0e0e0'), { css: '#e0e0e0e0', rgba: 0xe0e0e0e0 });
+        assert.deepEqual(css.toColor('#f0f0f0f0'), { css: '#f0f0f0f0', rgba: 0xf0f0f0f0 });
+        assert.deepEqual(css.toColor('#ffffffff'), { css: '#ffffffff', rgba: 0xffffffff });
+      });
     });
   });
 

src/browser/Color.ts

@@ -48,6 +48,10 @@ export namespace color {
     return { css, rgba };
   }
 
+  export function isOpaque(color: IColor): boolean {
+    return (color.rgba & 0xFF) === 0xFF;
+  }
+
   export function ensureContrastRatio(bg: IColor, fg: IColor, ratio: number): IColor | undefined {
     const result = rgba.ensureContrastRatio(bg.rgba, fg.rgba, ratio);
     if (!result) {
@@ -68,6 +72,15 @@ export namespace color {
       rgba: rgbaColor
     };
   }
+
+  export function opacity(color: IColor, opacity: number): IColor {
+    const a = Math.round(opacity * 0xFF);
+    const [r, g, b] = rgba.toChannels(color.rgba);
+    return {
+      css: channels.toCss(r, g, b, a),
+      rgba: channels.toRgba(r, g, b, a)
+    };
+  }
 }
 
 /**
@@ -75,10 +88,19 @@ export namespace color {
  */
 export namespace css {
   export function toColor(css: string): IColor {
-    return {
-      css,
-      rgba: (parseInt(css.slice(1), 16) << 8 | 0xFF) >>> 0
-    };
+    switch (css.length) {
+      case 7: // #rrggbb
+        return {
+          css,
+          rgba: (parseInt(css.slice(1), 16) << 8 | 0xFF) >>> 0
+        };
+      case 9: // #rrggbbaa
+        return {
+          css,
+          rgba: parseInt(css.slice(1), 16) >>> 0
+        };
+    }
+    throw new Error('css.toColor: Unsupported css format');
   }
 }
 

src/browser/ColorManager.ts

@@ -92,7 +92,7 @@ export class ColorManager implements IColorManager {
       background: DEFAULT_BACKGROUND,
       cursor: DEFAULT_CURSOR,
       cursorAccent: DEFAULT_CURSOR_ACCENT,
-      selection: DEFAULT_SELECTION,
+      selectionTransparent: DEFAULT_SELECTION,
       selectionOpaque: color.blend(DEFAULT_BACKGROUND, DEFAULT_SELECTION),
       ansi: DEFAULT_ANSI_COLORS.slice(),
       contrastCache: this._contrastCache
@@ -115,8 +115,16 @@ export class ColorManager implements IColorManager {
     this.colors.background = this._parseColor(theme.background, DEFAULT_BACKGROUND);
     this.colors.cursor = this._parseColor(theme.cursor, DEFAULT_CURSOR, true);
     this.colors.cursorAccent = this._parseColor(theme.cursorAccent, DEFAULT_CURSOR_ACCENT, true);
-    this.colors.selection = this._parseColor(theme.selection, DEFAULT_SELECTION, true);
-    this.colors.selectionOpaque = color.blend(this.colors.background, this.colors.selection);
+    this.colors.selectionTransparent = this._parseColor(theme.selection, DEFAULT_SELECTION, true);
+    this.colors.selectionOpaque = color.blend(this.colors.background, this.colors.selectionTransparent);
+    /**
+     * If selection color is opaque, blend it with background with 0.3 opacity
+     * Issue #2737
+     */
+    if (color.isOpaque(this.colors.selectionTransparent)) {
+      const opacity = 0.3;
+      this.colors.selectionTransparent = color.opacity(this.colors.selectionTransparent, opacity);
+    }
     this.colors.ansi[0] = this._parseColor(theme.black, DEFAULT_ANSI_COLORS[0]);
     this.colors.ansi[1] = this._parseColor(theme.red, DEFAULT_ANSI_COLORS[1]);
     this.colors.ansi[2] = this._parseColor(theme.green, DEFAULT_ANSI_COLORS[2]);

src/browser/Dom.test.ts

@@ -0,0 +1,41 @@
+/**
+ * Copyright (c) 2020 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import jsdom = require('jsdom');
+import { removeElementFromParent } from 'browser/Dom';
+import { strictEqual, doesNotThrow } from 'assert';
+
+describe('Dom', () => {
+  const dom = new jsdom.JSDOM();
+  const document = dom.window.document;
+
+  describe('removeElementFromParent', () => {
+    it('should remove single child', () => {
+      const e = document.createElement('div');
+      document.body.appendChild(e);
+      strictEqual(e.parentElement, document.body);
+      removeElementFromParent(e);
+      strictEqual(e.parentElement, null);
+    });
+    it('should remove multiple elements', () => {
+      const e1 = document.createElement('div');
+      const e2 = document.createElement('div');
+      document.body.appendChild(e1);
+      document.body.appendChild(e2);
+      strictEqual(e1.parentElement, document.body);
+      strictEqual(e2.parentElement, document.body);
+      removeElementFromParent(e1, e2);
+      strictEqual(e1.parentElement, null);
+      strictEqual(e2.parentElement, null);
+    });
+    it('should not throw on undefined', () => {
+      const e = document.createElement('div');
+      document.body.appendChild(e);
+      strictEqual(e.parentElement, document.body);
+      doesNotThrow(() => removeElementFromParent(undefined, e));
+      strictEqual(e.parentElement, null);
+    });
+  });
+});

src/browser/Dom.ts

@@ -0,0 +1,10 @@
+/**
+ * Copyright (c) 2020 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+export function removeElementFromParent(...elements: (HTMLElement | undefined)[]): void {
+  for (const e of elements) {
+    e?.parentElement?.removeChild(e);
+  }
+}

src/browser/Lifecycle.ts

@@ -14,9 +14,9 @@ export function addDisposableDomListener(
   node: Element | Window | Document,
   type: string,
   handler: (e: any) => void,
-  useCapture?: boolean
+  options?: boolean | AddEventListenerOptions
 ): IDisposable {
-  node.addEventListener(type, handler, useCapture);
+  node.addEventListener(type, handler, options);
   let disposed = false;
   return {
     dispose: () => {
@@ -24,7 +24,7 @@ export function addDisposableDomListener(
         return;
       }
       disposed = true;
-      node.removeEventListener(type, handler, useCapture);
+      node.removeEventListener(type, handler, options);
     }
   };
 }

src/browser/Terminal.ts

@@ -674,7 +674,7 @@ export class Terminal extends CoreTerminal implements ITerminal {
         el.removeEventListener('wheel', requestedEvents.wheel!);
         requestedEvents.wheel = null;
       } else if (!requestedEvents.wheel) {
-        el.addEventListener('wheel', eventListeners.wheel);
+        el.addEventListener('wheel', eventListeners.wheel, { passive: false });
         requestedEvents.wheel = eventListeners.wheel;
       }
 
@@ -747,7 +747,7 @@ export class Terminal extends CoreTerminal implements ITerminal {
         }
         return;
       }
-    }));
+    }, { passive: true }));
 
     // allow wheel scrolling in
     // the shell for example
@@ -756,20 +756,20 @@ export class Terminal extends CoreTerminal implements ITerminal {
       if (!this.viewport!.onWheel(ev)) {
         return this.cancel(ev);
       }
-    }));
+    }, { passive: true }));
 
     this.register(addDisposableDomListener(el, 'touchstart', (ev: TouchEvent) => {
       if (this._coreMouseService.areMouseEventsActive) return;
       this.viewport!.onTouchStart(ev);
       return this.cancel(ev);
-    }));
+    }, { passive: true }));
 
     this.register(addDisposableDomListener(el, 'touchmove', (ev: TouchEvent) => {
       if (this._coreMouseService.areMouseEventsActive) return;
       if (!this.viewport!.onTouchMove(ev)) {
         return this.cancel(ev);
       }
-    }));
+    }, { passive: true }));
   }
 
 

src/browser/Terminal2.test.ts

@@ -60,7 +60,7 @@ describe('Escape Sequence Files', function(): void {
     ptyTerm._master.destroy();
   });
 
-  FILES.forEach(filename => {
+  for (const filename of FILES) {
     (process.platform === 'win32' ? it.skip : it)(filename.split('/').slice(-1)[0], async () => {
       // reset terminal and handler
       if (customHandler) {
@@ -93,7 +93,7 @@ describe('Escape Sequence Files', function(): void {
         throw new Error(formatError(fs.readFileSync(filename, 'utf8'), content, expected));
       }
     });
-  });
+  }
 });
 
 /**

src/browser/Types.d.ts

@@ -120,7 +120,7 @@ export interface IColorSet {
   background: IColor;
   cursor: IColor;
   cursorAccent: IColor;
-  selection: IColor;
+  selectionTransparent: IColor;
   /** The selection blended on top of background. */
   selectionOpaque: IColor;
   ansi: IColor[];

src/browser/public/Terminal.ts

@@ -204,11 +204,11 @@ export class Terminal implements ITerminalApi {
   }
 
   private _verifyIntegers(...values: number[]): void {
-    values.forEach(value => {
+    for (const value of values) {
       if (value === Infinity || isNaN(value) || value % 1 !== 0) {
         throw new Error('This API only accepts integers');
       }
-    });
+    }
   }
 }
 

src/browser/renderer/BaseRenderLayer.ts

@@ -16,6 +16,7 @@ import { CellData } from 'common/buffer/CellData';
 import { IBufferService, IOptionsService } from 'common/services/Services';
 import { throwIfFalsy } from 'browser/renderer/RendererUtils';
 import { channels, color, rgba } from 'browser/Color';
+import { removeElementFromParent } from 'browser/Dom';
 
 export abstract class BaseRenderLayer implements IRenderLayer {
   private _canvas: HTMLCanvasElement;
@@ -60,7 +61,7 @@ export abstract class BaseRenderLayer implements IRenderLayer {
   }
 
   public dispose(): void {
-    this._canvas.parentElement?.removeChild(this._canvas);
+    removeElementFromParent(this._canvas);
     this._charAtlas?.dispose();
   }
 

src/browser/renderer/Renderer.ts

@@ -44,7 +44,6 @@ export class Renderer extends Disposable implements IRenderer {
     super();
     const allowTransparency = this._optionsService.options.allowTransparency;
     this._characterJoinerRegistry = new CharacterJoinerRegistry(this._bufferService);
-
     this._renderLayers = [
       new TextRenderLayer(this._screenElement, 0, this._colors, this._characterJoinerRegistry, allowTransparency, this._id, this._bufferService, _optionsService),
       new SelectionRenderLayer(this._screenElement, 1, this._colors, this._id, this._bufferService, _optionsService),
@@ -71,7 +70,9 @@ export class Renderer extends Disposable implements IRenderer {
   }
 
   public dispose(): void {
-    this._renderLayers.forEach(l => l.dispose());
+    for (const l of this._renderLayers) {
+      l.dispose();
+    }
     super.dispose();
     removeTerminalFromCache(this._id);
   }
@@ -87,12 +88,11 @@ export class Renderer extends Disposable implements IRenderer {
 
   public setColors(colors: IColorSet): void {
     this._colors = colors;
-
     // Clear layers and force a full render
-    this._renderLayers.forEach(l => {
+    for (const l of this._renderLayers) {
       l.setColors(this._colors);
       l.reset();
-    });
+    }
   }
 
   public onResize(cols: number, rows: number): void {
@@ -100,7 +100,9 @@ export class Renderer extends Disposable implements IRenderer {
     this._updateDimensions();
 
     // Resize all render layers
-    this._renderLayers.forEach(l => l.resize(this.dimensions));
+    for (const l of this._renderLayers) {
+      l.resize(this.dimensions);
+    }
 
     // Resize the screen
     this._screenElement.style.width = `${this.dimensions.canvasWidth}px`;
@@ -136,7 +138,9 @@ export class Renderer extends Disposable implements IRenderer {
   }
 
   private _runOperation(operation: (layer: IRenderLayer) => void): void {
-    this._renderLayers.forEach(l => operation(l));
+    for (const l of this._renderLayers) {
+      operation(l);
+    }
   }
 
   /**
@@ -144,7 +148,9 @@ export class Renderer extends Disposable implements IRenderer {
    * necessary before queueing up the next one.
    */
   public renderRows(start: number, end: number): void {
-    this._renderLayers.forEach(l => l.onGridChanged(start, end));
+    for (const l of this._renderLayers) {
+      l.onGridChanged(start, end);
+    }
   }
 
   /**

src/browser/renderer/SelectionRenderLayer.ts

@@ -78,7 +78,7 @@ export class SelectionRenderLayer extends BaseRenderLayer {
       return;
     }
 
-    this._ctx.fillStyle = this._colors.selection.css;
+    this._ctx.fillStyle = this._colors.selectionTransparent.css;
 
     if (columnSelectMode) {
       const startCol = start[0];

src/browser/renderer/TextRenderLayer.ts

@@ -188,13 +188,13 @@ export class TextRenderLayer extends BaseRenderLayer {
 
       if (y !== startY) {
         // our row changed, draw the previous row
-        ctx.fillStyle = prevFillStyle ? prevFillStyle : '';
+        ctx.fillStyle = prevFillStyle || '';
         this._fillCells(startX, startY, cols - startX, 1);
         startX = x;
         startY = y;
       } else if (prevFillStyle !== nextFillStyle) {
         // our color changed, draw the previous characters in this row
-        ctx.fillStyle = prevFillStyle ? prevFillStyle : '';
+        ctx.fillStyle = prevFillStyle || '';
         this._fillCells(startX, startY, x - startX, 1);
         startX = x;
         startY = y;

src/browser/renderer/dom/DomRenderer.ts

@@ -12,6 +12,7 @@ import { ICharSizeService } from 'browser/services/Services';
 import { IOptionsService, IBufferService } from 'common/services/Services';
 import { EventEmitter, IEvent } from 'common/EventEmitter';
 import { color } from 'browser/Color';
+import { removeElementFromParent } from 'browser/Dom';
 
 const TERMINAL_CLASS_PREFIX = 'xterm-dom-renderer-owner-';
 const ROW_CONTAINER_CLASS = 'xterm-rows';
@@ -53,7 +54,6 @@ export class DomRenderer extends Disposable implements IRenderer {
     @IBufferService private readonly _bufferService: IBufferService
   ) {
     super();
-
     this._rowContainer = document.createElement('div');
     this._rowContainer.classList.add(ROW_CONTAINER_CLASS);
     this._rowContainer.style.lineHeight = 'normal';
@@ -95,10 +95,11 @@ export class DomRenderer extends Disposable implements IRenderer {
 
   public dispose(): void {
     this._element.classList.remove(TERMINAL_CLASS_PREFIX + this._terminalClass);
-    this._screenElement.removeChild(this._rowContainer);
-    this._screenElement.removeChild(this._selectionContainer);
-    this._screenElement.removeChild(this._themeStyleElement);
-    this._screenElement.removeChild(this._dimensionsStyleElement);
+
+    // Outside influences such as React unmounts may manipulate the DOM before our disposal.
+    // https://github.com/xtermjs/xterm.js/issues/2960
+    removeElementFromParent(this._rowContainer, this._selectionContainer, this._themeStyleElement, this._dimensionsStyleElement);
+
     super.dispose();
   }
 
@@ -116,13 +117,13 @@ export class DomRenderer extends Disposable implements IRenderer {
     this.dimensions.actualCellWidth = this.dimensions.canvasWidth / this._bufferService.cols;
     this.dimensions.actualCellHeight = this.dimensions.canvasHeight / this._bufferService.rows;
 
-    this._rowElements.forEach(element => {
+    for (const element of this._rowElements) {
       element.style.width = `${this.dimensions.canvasWidth}px`;
       element.style.height = `${this.dimensions.actualCellHeight}px`;
       element.style.lineHeight = `${this.dimensions.actualCellHeight}px`;
       // Make sure rows don't overflow onto following row
       element.style.overflow = 'hidden';
-    });
+    }
 
     if (!this._dimensionsStyleElement) {
       this._dimensionsStyleElement = document.createElement('style');
@@ -224,7 +225,7 @@ export class DomRenderer extends Disposable implements IRenderer {
       `}` +
       `${this._terminalSelector} .${SELECTION_CLASS} div {` +
       ` position: absolute;` +
-      ` background-color: ${this._colors.selection.css};` +
+      ` background-color: ${this._colors.selectionTransparent.css};` +
       `}`;
     // Colors
     this._colors.ansi.forEach((c, i) => {
@@ -346,7 +347,9 @@ export class DomRenderer extends Disposable implements IRenderer {
   }
 
   public clear(): void {
-    this._rowElements.forEach(e => e.innerHTML = '');
+    for (const e of this._rowElements) {
+      e.innerHTML = '';
+    }
   }
 
   public renderRows(start: number, end: number): void {

src/browser/services/RenderService.ts

@@ -55,6 +55,9 @@ export class RenderService extends Disposable implements IRenderService {
     @IBufferService bufferService: IBufferService
   ) {
     super();
+
+    this.register({ dispose: () => this._renderer.dispose() });
+
     this._renderDebouncer = new RenderDebouncer((start, end) => this._renderRows(start, end));
     this.register(this._renderDebouncer);
 
@@ -137,7 +140,6 @@ export class RenderService extends Disposable implements IRenderService {
   }
 
   public dispose(): void {
-    this._renderer.dispose();
     super.dispose();
   }
 

src/browser/services/SelectionService.ts

@@ -667,8 +667,8 @@ export class SelectionService extends Disposable implements ISelectionService {
 
     this._removeMouseDownListeners();
 
-    if (this.selectionText.length <= 1 && timeElapsed < ALT_CLICK_MOVE_CURSOR_TIME) {
-      if (event.altKey && this._bufferService.buffer.ybase === this._bufferService.buffer.ydisp) {
+    if (this.selectionText.length <= 1 && timeElapsed < ALT_CLICK_MOVE_CURSOR_TIME && event.altKey) {
+      if (this._bufferService.buffer.ybase === this._bufferService.buffer.ydisp) {
         const coordinates = this._mouseService.getCoords(
           event,
           this._element,

src/common/CoreTerminal.ts

@@ -328,7 +328,9 @@ export abstract class CoreTerminal extends Disposable implements ICoreTerminal {
       }));
       this._windowsMode = {
         dispose: () => {
-          disposables.forEach(d => d.dispose());
+          for (const d of disposables) {
+            d.dispose();
+          }
         }
       };
     }

src/common/Lifecycle.ts

@@ -21,7 +21,9 @@ export abstract class Disposable implements IDisposable {
    */
   public dispose(): void {
     this._isDisposed = true;
-    this._disposables.forEach(d => d.dispose());
+    for (const d of this._disposables) {
+      d.dispose();
+    }
     this._disposables.length = 0;
   }
 
@@ -52,7 +54,9 @@ export abstract class Disposable implements IDisposable {
  * Dispose of all disposables in an array and set its length to 0.
  */
 export function disposeArray(disposables: IDisposable[]): void {
-  disposables.forEach(d => d.dispose());
+  for (const d of disposables) {
+    d.dispose();
+  }
   disposables.length = 0;
 }
 

src/common/TestUtils.test.ts

@@ -104,7 +104,9 @@ export class MockOptionsService implements IOptionsService {
   public onOptionChange: IEvent<string> = new EventEmitter<string>().event;
   constructor(testOptions?: IPartialTerminalOptions) {
     if (testOptions) {
-      Object.keys(testOptions).forEach(key => this.options[key] = (<any>testOptions)[key]);
+      for (const key of Object.keys(testOptions)) {
+        this.options[key] = (<any>testOptions)[key];
+      }
     }
   }
   public setOption<T>(key: string, value: T): void {

src/common/buffer/Buffer.ts

@@ -666,11 +666,11 @@ export class BufferStringIterator implements IBufferStringIterator {
     // limit to current buffer length
     range.first = Math.max(range.first, 0);
     range.last = Math.min(range.last, this._buffer.lines.length);
-    let result = '';
+    let content = '';
     for (let i = range.first; i <= range.last; ++i) {
-      result += this._buffer.translateBufferLineToString(i, this._trimRight);
+      content += this._buffer.translateBufferLineToString(i, this._trimRight);
     }
     this._current = range.last + 1;
-    return {range: range, content: result};
+    return {range, content};
   }
 }

src/common/input/Keyboard.test.ts

@@ -139,7 +139,7 @@ describe('Keyboard', () => {
         assert.equal(testEvaluateKeyboardEvent({ altKey: true, keyCode: 40 }, { isMac: true }).key, '\x1b[1;3B'); // CSI 5 C
       });
       it('should return undefined for alt+a', () => {
-        assert.strictEqual(testEvaluateKeyboardEvent({ altKey: true, keyCode: 65 }, { isMac: true }).key, undefined), { isMac: true };
+        assert.strictEqual(testEvaluateKeyboardEvent({ altKey: true, keyCode: 65 }, { isMac: true }).key, undefined);
       });
     });
 

src/common/parser/DcsParser.ts

@@ -136,7 +136,7 @@ export class DcsHandler implements IDcsHandler {
     if (this._hitLimit) {
       ret = false;
     } else if (success) {
-      ret = this._handler(this._data, this._params ? this._params : new Params());
+      ret = this._handler(this._data, this._params || new Params());
     }
     this._params = undefined;
     this._data = '';

src/common/parser/EscapeSequenceParser.test.ts

@@ -1589,9 +1589,9 @@ describe('EscapeSequenceParser', function (): void {
       });
       it('final ESC range 0x30 .. 0x7e, one byte', () => {
         for (let i = 0x30; i <= 0x7e; ++i) {
-          const c = String.fromCharCode(i);
+          const final = String.fromCharCode(i);
           let handler: IDisposable | undefined;
-          chai.assert.doesNotThrow(() => { handler = parser.addEscHandler({final: c}, () => {}); }, 'final must be in range 48 .. 126');
+          chai.assert.doesNotThrow(() => { handler = parser.addEscHandler({final}, () => {}); }, 'final must be in range 48 .. 126');
           if (handler) handler.dispose();
         }
         chai.assert.throws(() => { parser.addEscHandler({final: '\x2f'}, () => {}); }, 'final must be in range 48 .. 126');

src/common/services/CoreMouseService.test.ts

@@ -171,7 +171,7 @@ describe('CoreMouseService', () => {
       assert.equal(cms.triggerMouseEvent({ col: 0, row: 0, button: CoreMouseButton.RIGHT, action: CoreMouseAction.DOWN, ctrl: false, alt: false, shift: false }), true);
       assert.equal(cms.triggerMouseEvent({ col: 0, row: 0, button: CoreMouseButton.WHEEL, action: CoreMouseAction.DOWN, ctrl: false, alt: false, shift: false }), true);
       assert.deepEqual(reports, ['\x1b[M !!', '\x1b[M!!!', '\x1b[M"!!', '\x1b[Ma!!']);
-      while (reports.pop()) { }
+      reports = [];
 
       // all buttons + up + no modifier
       assert.equal(cms.triggerMouseEvent({ col: 0, row: 0, button: CoreMouseButton.LEFT, action: CoreMouseAction.UP, ctrl: false, alt: false, shift: false }), true);
@@ -179,7 +179,7 @@ describe('CoreMouseService', () => {
       assert.equal(cms.triggerMouseEvent({ col: 0, row: 0, button: CoreMouseButton.RIGHT, action: CoreMouseAction.UP, ctrl: false, alt: false, shift: false }), true);
       assert.equal(cms.triggerMouseEvent({ col: 0, row: 0, button: CoreMouseButton.WHEEL, action: CoreMouseAction.UP, ctrl: false, alt: false, shift: false }), true);
       assert.deepEqual(reports, ['\x1b[M#!!', '\x1b[M#!!', '\x1b[M#!!', '\x1b[M`!!']);
-      while (reports.pop()) { }
+      reports = [];
 
       // all buttons + move + no modifier
       assert.equal(cms.triggerMouseEvent({ col: 0, row: 0, button: CoreMouseButton.LEFT, action: CoreMouseAction.MOVE, ctrl: false, alt: false, shift: false }), true);
@@ -187,7 +187,7 @@ describe('CoreMouseService', () => {
       assert.equal(cms.triggerMouseEvent({ col: 0, row: 0, button: CoreMouseButton.RIGHT, action: CoreMouseAction.MOVE, ctrl: false, alt: false, shift: false }), true);
       assert.equal(cms.triggerMouseEvent({ col: 0, row: 0, button: CoreMouseButton.NONE, action: CoreMouseAction.MOVE, ctrl: false, alt: false, shift: false }), true);
       assert.deepEqual(reports, ['\x1b[M@!!', '\x1b[MA!!', '\x1b[MB!!', '\x1b[MC!!']);
-      while (reports.pop()) { }
+      reports = [];
 
       // button none + move + modifiers
       assert.equal(cms.triggerMouseEvent({ col: 0, row: 0, button: CoreMouseButton.NONE, action: CoreMouseAction.MOVE, ctrl: true, alt: false, shift: false }), true);
@@ -197,7 +197,7 @@ describe('CoreMouseService', () => {
       assert.equal(cms.triggerMouseEvent({ col: 0, row: 0, button: CoreMouseButton.NONE, action: CoreMouseAction.MOVE, ctrl: false, alt: true, shift: true }), true);
       assert.equal(cms.triggerMouseEvent({ col: 0, row: 0, button: CoreMouseButton.NONE, action: CoreMouseAction.MOVE, ctrl: true, alt: true, shift: true }), true);
       assert.deepEqual(reports, ['\x1b[MS!!', '\x1b[MK!!', '\x1b[MG!!', '\x1b[M[!!', '\x1b[MO!!', '\x1b[M_!!']);
-      while (reports.pop()) { }
+      reports = [];
     });
   });
 });

src/common/services/CoreMouseService.ts

@@ -174,8 +174,8 @@ export class CoreMouseService implements ICoreMouseService {
     @ICoreService private readonly _coreService: ICoreService
   ) {
     // register default protocols and encodings
-    Object.keys(DEFAULT_PROTOCOLS).forEach(name => this.addProtocol(name, DEFAULT_PROTOCOLS[name]));
-    Object.keys(DEFAULT_ENCODINGS).forEach(name => this.addEncoding(name, DEFAULT_ENCODINGS[name]));
+    for (const name of Object.keys(DEFAULT_PROTOCOLS)) this.addProtocol(name, DEFAULT_PROTOCOLS[name]);
+    for (const name of Object.keys(DEFAULT_ENCODINGS)) this.addEncoding(name, DEFAULT_ENCODINGS[name]);
     // call reset to set defaults
     this.reset();
   }

src/common/services/OptionsService.ts

@@ -71,12 +71,12 @@ export class OptionsService implements IOptionsService {
 
   constructor(options: IPartialTerminalOptions) {
     this.options = clone(DEFAULT_OPTIONS);
-    Object.keys(options).forEach(k => {
+    for (const k of Object.keys(options)) {
       if (k in this.options) {
         const newValue = options[k as keyof IPartialTerminalOptions] as any;
         this.options[k] = newValue;
       }
-    });
+    }
   }
 
   public setOption(key: string, value: any): void {

src/common/services/Services.ts

@@ -136,7 +136,7 @@ export interface IServiceIdentifier<T> {
 
 export interface IBrandedService {
   serviceBrand: undefined;
-};
+}
 
 type GetLeadingNonServiceArgs<Args> =
   Args extends [...IBrandedService[]] ? []

yarn.lock

@@ -232,11 +232,6 @@
   resolved "https://registry.yarnpkg.com/@types/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz#1ee30d79544ca84d68d4b3cdb0af4f205663dd2d"
   integrity sha512-OCutwjDZ4aFS6PB1UZ988C4YgwlBHJd6wCeQqaLdmadZ/7e+w79+hbMUFC1QXDNCmdyoRfAFdm0RypzwR+Qpag==
 
-"@types/events@*":
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/@types/events/-/events-3.0.0.tgz#2862f3f58a9a7f7c3e78d79f130dd4d71c25c2a7"
-  integrity sha512-EaObqwIvayI5a8dCzhFrjKzVwKLxjoG9T6Ppd5CEo07LRKfQ8Yokw54r5+Wq7FaBQ+yXRvQAYPrHwya1/UFt9g==
-
 "@types/fs-extra@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@types/fs-extra/-/fs-extra-7.0.0.tgz#9c4ad9e1339e7448a76698829def1f159c1b636c"
@@ -244,19 +239,18 @@
   dependencies:
     "@types/node" "*"
 
-"@types/glob@^7.1.1":
-  version "7.1.1"
-  resolved "https://registry.yarnpkg.com/@types/glob/-/glob-7.1.1.tgz#aa59a1c6e3fbc421e07ccd31a944c30eba521575"
-  integrity sha512-1Bh06cbWJUHMC97acuD6UMG29nMt0Aqz1vF3guLfG+kHHJhy3AyohZFFxYk2f7Q1SQIrNwvncxAE0N/9s70F2w==
+"@types/glob@^7.1.2":
+  version "7.1.2"
+  resolved "https://registry.yarnpkg.com/@types/glob/-/glob-7.1.2.tgz#06ca26521353a545d94a0adc74f38a59d232c987"
+  integrity sha512-VgNIkxK+j7Nz5P7jvUZlRvhuPSmsEfS03b0alKcq5V/STUKAa3Plemsn5mrQUO7am6OErJ4rhGEGJbACclrtRA==
   dependencies:
-    "@types/events" "*"
     "@types/minimatch" "*"
     "@types/node" "*"
 
-"@types/jsdom@^16.2.1":
-  version "16.2.1"
-  resolved "https://registry.yarnpkg.com/@types/jsdom/-/jsdom-16.2.1.tgz#9e6eee6a578f74eed5997558ab430dbc11aac753"
-  integrity sha512-KCEq427OsWfpX7FRyEMb3i2XIuz8Pt3XPls4nmX0iMTDJWsHD4Kzoa3v4Uv9c9IDf11ALeHUtPcyAjTz/HV03Q==
+"@types/jsdom@^16.2.3":
+  version "16.2.3"
+  resolved "https://registry.yarnpkg.com/@types/jsdom/-/jsdom-16.2.3.tgz#c6feadfe0836389b27f9c911cde82cd32e91c537"
+  integrity sha512-BREatezSn74rmLIDksuqGNFUTi9HNAWWQXYpFBFLK9U6wlMCO4M0QCa8CMpDsZQuqxSO9XifVLT5Q1P0vgKLqw==
   dependencies:
     "@types/node" "*"
     "@types/parse5" "*"
@@ -352,10 +346,10 @@
     "@types/source-list-map" "*"
     source-map "^0.6.1"
 
-"@types/webpack@^4.41.12":
-  version "4.41.12"
-  resolved "https://registry.yarnpkg.com/@types/webpack/-/webpack-4.41.12.tgz#0386ee2a2814368e2f2397abb036c0bf173ff6c3"
-  integrity sha512-BpCtM4NnBen6W+KEhrL9jKuZCXVtiH6+0b6cxdvNt2EwU949Al334PjQSl2BeAyvAX9mgoNNG21wvjP3xZJJ5w==
+"@types/webpack@^4.41.17":
+  version "4.41.17"
+  resolved "https://registry.yarnpkg.com/@types/webpack/-/webpack-4.41.17.tgz#0a69005e644d657c85b7d6ec1c826a71bebd1c93"
+  integrity sha512-6FfeCidTSHozwKI67gIVQQ5Mp0g4X96c2IXxX75hYEQJwST/i6NyZexP//zzMOBb+wG9jJ7oO8fk9yObP2HWAw==
   dependencies:
     "@types/anymatch" "*"
     "@types/node" "*"
@@ -364,47 +358,47 @@
     "@types/webpack-sources" "*"
     source-map "^0.6.0"
 
-"@types/ws@^7.2.4":
-  version "7.2.4"
-  resolved "https://registry.yarnpkg.com/@types/ws/-/ws-7.2.4.tgz#b3859f7b9c243b220efac9716ec42c716a72969d"
-  integrity sha512-9S6Ask71vujkVyeEXKxjBSUV8ZUB0mjL5la4IncBoheu04bDaYyUKErh1BQcY9+WzOUOiKqz/OnpJHYckbMfNg==
+"@types/ws@^7.2.5":
+  version "7.2.5"
+  resolved "https://registry.yarnpkg.com/@types/ws/-/ws-7.2.5.tgz#513f28b04a1ea1aa9dc2cad3f26e8e37c88aae49"
+  integrity sha512-4UEih9BI1nBKii385G9id1oFrSkLcClbwtDfcYj8HJLQqZVAtb/42vXVrYvRWCcufNF/a+rZD3MxNwghA7UmCg==
   dependencies:
     "@types/node" "*"
 
-"@typescript-eslint/eslint-plugin@^2.33.0":
-  version "2.33.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/eslint-plugin/-/eslint-plugin-2.33.0.tgz#d6c8319d5011b4783bb3d2dadf105d8bdd499bd5"
-  integrity sha512-QV6P32Btu1sCI/kTqjTNI/8OpCYyvlGjW5vD8MpTIg+HGE5S88HtT1G+880M4bXlvXj/NjsJJG0aGcVh0DdbeQ==
+"@typescript-eslint/eslint-plugin@^2.34.0":
+  version "2.34.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/eslint-plugin/-/eslint-plugin-2.34.0.tgz#6f8ce8a46c7dea4a6f1d171d2bb8fbae6dac2be9"
+  integrity sha512-4zY3Z88rEE99+CNvTbXSyovv2z9PNOVffTWD2W8QF5s2prBQtwN2zadqERcrHpcR7O/+KMI3fcTAmUUhK/iQcQ==
   dependencies:
-    "@typescript-eslint/experimental-utils" "2.33.0"
+    "@typescript-eslint/experimental-utils" "2.34.0"
     functional-red-black-tree "^1.0.1"
     regexpp "^3.0.0"
     tsutils "^3.17.1"
 
-"@typescript-eslint/experimental-utils@2.33.0":
-  version "2.33.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/experimental-utils/-/experimental-utils-2.33.0.tgz#000f1e5f344fbea1323dc91cc174805d75f99a03"
-  integrity sha512-qzPM2AuxtMrRq78LwyZa8Qn6gcY8obkIrBs1ehqmQADwkYzTE1Pb4y2W+U3rE/iFkSWcWHG2LS6MJfj6SmHApg==
+"@typescript-eslint/experimental-utils@2.34.0":
+  version "2.34.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/experimental-utils/-/experimental-utils-2.34.0.tgz#d3524b644cdb40eebceca67f8cf3e4cc9c8f980f"
+  integrity sha512-eS6FTkq+wuMJ+sgtuNTtcqavWXqsflWcfBnlYhg/nS4aZ1leewkXGbvBhaapn1q6qf4M71bsR1tez5JTRMuqwA==
   dependencies:
     "@types/json-schema" "^7.0.3"
-    "@typescript-eslint/typescript-estree" "2.33.0"
+    "@typescript-eslint/typescript-estree" "2.34.0"
     eslint-scope "^5.0.0"
     eslint-utils "^2.0.0"
 
-"@typescript-eslint/parser@^2.33.0":
-  version "2.33.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-2.33.0.tgz#395c0ef229ebef883608f8632a34f0acf02b9bdd"
-  integrity sha512-AUtmwUUhJoH6yrtxZMHbRUEMsC2G6z5NSxg9KsROOGqNXasM71I8P2NihtumlWTUCRld70vqIZ6Pm4E5PAziEA==
+"@typescript-eslint/parser@^2.34.0":
+  version "2.34.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-2.34.0.tgz#50252630ca319685420e9a39ca05fe185a256bc8"
+  integrity sha512-03ilO0ucSD0EPTw2X4PntSIRFtDPWjrVq7C3/Z3VQHRC7+13YB55rcJI3Jt+YgeHbjUdJPcPa7b23rXCBokuyA==
   dependencies:
     "@types/eslint-visitor-keys" "^1.0.0"
-    "@typescript-eslint/experimental-utils" "2.33.0"
-    "@typescript-eslint/typescript-estree" "2.33.0"
+    "@typescript-eslint/experimental-utils" "2.34.0"
+    "@typescript-eslint/typescript-estree" "2.34.0"
     eslint-visitor-keys "^1.1.0"
 
-"@typescript-eslint/typescript-estree@2.33.0":
-  version "2.33.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-2.33.0.tgz#33504c050ccafd38f397a645d4e9534d2eccbb5c"
-  integrity sha512-d8rY6/yUxb0+mEwTShCQF2zYQdLlqihukNfG9IUlLYz5y1CH6G/9XYbrxQLq3Z14RNvkCC6oe+OcFlyUpwUbkg==
+"@typescript-eslint/typescript-estree@2.34.0":
+  version "2.34.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-2.34.0.tgz#14aeb6353b39ef0732cc7f1b8285294937cf37d5"
+  integrity sha512-OMAr+nJWKdlVM9LOqCqh3pQQPwxHAN7Du8DR6dmwCrAmxtiXQnhHJ6tBNtf+cggqfo51SG/FCwnKhXCIM7hnVg==
   dependencies:
     debug "^4.1.1"
     eslint-visitor-keys "^1.1.0"
@@ -645,11 +639,26 @@ ajv@^6.1.0, ajv@^6.10.0, ajv@^6.10.2, ajv@^6.5.5:
     json-schema-traverse "^0.4.1"
     uri-js "^4.2.2"
 
+ajv@^6.12.0:
+  version "6.12.2"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.2.tgz#c629c5eced17baf314437918d2da88c99d5958cd"
+  integrity sha512-k+V+hzjm5q/Mr8ef/1Y9goCmlsK4I6Sm74teeyGvFk1XrOsbsKLjEdrvny42CZ+a8sXbk8KWpY/bDwS+FLL2UQ==
+  dependencies:
+    fast-deep-equal "^3.1.1"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.4.1"
+    uri-js "^4.2.2"
+
 ansi-colors@3.2.3:
   version "3.2.3"
   resolved "https://registry.yarnpkg.com/ansi-colors/-/ansi-colors-3.2.3.tgz#57d35b8686e851e2cc04c403f1c00203976a1813"
   integrity sha512-LEHHyuhlPY3TmuUYMh2oz89lTShfvgbmzaBcxve9t/9Wuy7Dwf4yoAKcND7KFT1HAQfqZ12qtc+DUrBMeKF9nw==
 
+ansi-colors@4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/ansi-colors/-/ansi-colors-4.1.1.tgz#cbb9ae256bf750af1eab344f229aa27fe94ba348"
+  integrity sha512-JoX0apGbHaUJBNl6yF+p6JAFYZ666/hhCGKN5t9QFjbJQKUU/g8MNbFDbvfrgKXvI1QpZplPOnwIo99lX/AAmA==
+
 ansi-escapes@^4.2.1:
   version "4.3.1"
   resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-4.3.1.tgz#a5c47cc43181f1f38ffd7076837700d395522a61"
@@ -767,6 +776,16 @@ array-unique@^0.3.2:
   resolved "https://registry.yarnpkg.com/array-unique/-/array-unique-0.3.2.tgz#a894b75d4bc4f6cd679ef3244a9fd8f46ae2d428"
   integrity sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=
 
+array.prototype.map@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/array.prototype.map/-/array.prototype.map-1.0.2.tgz#9a4159f416458a23e9483078de1106b2ef68f8ec"
+  integrity sha512-Az3OYxgsa1g7xDYp86l0nnN4bcmuEITGe1rbdEBVkrqkzMgDcbdQ2R7r41pNzti+4NMces3H8gMmuioZUilLgw==
+  dependencies:
+    define-properties "^1.1.3"
+    es-abstract "^1.17.0-next.1"
+    es-array-method-boxes-properly "^1.0.0"
+    is-string "^1.0.4"
+
 asn1.js@^4.0.0:
   version "4.10.1"
   resolved "https://registry.yarnpkg.com/asn1.js/-/asn1.js-4.10.1.tgz#b9c2bf5805f1e64aadeed6df3a2bfafb5a73f5a0"
@@ -821,7 +840,7 @@ async-limiter@~1.0.0:
   resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.1.tgz#dd379e94f0db8310b08291f9d64c3209766617fd"
   integrity sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ==
 
-async@^2.5.0, async@^2.6.1:
+async@^2.6.1:
   version "2.6.3"
   resolved "https://registry.yarnpkg.com/async/-/async-2.6.3.tgz#d72625e2344a3656e3a3ad4fa749fa83299d82ff"
   integrity sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==
@@ -1177,10 +1196,10 @@ check-error@^1.0.2:
   resolved "https://registry.yarnpkg.com/check-error/-/check-error-1.0.2.tgz#574d312edd88bb5dd8912e9286dd6c0aed4aac82"
   integrity sha1-V00xLt2Iu13YkS6Sht1sCu1KrII=
 
-chokidar@3.3.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.3.0.tgz#12c0714668c55800f659e262d4962a97faf554a6"
-  integrity sha512-dGmKLDdT3Gdl7fBUe8XK+gAtGmzy5Fn0XkkWQuYxGIgWVPPse2CxFA5mtrlD0TOHaHjEUqkWNyP1XdHoJES/4A==
+chokidar@3.3.1:
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.3.1.tgz#c84e5b3d18d9a4d77558fef466b1bf16bbeb3450"
+  integrity sha512-4QYCEWOcK3OJrxwvyyAOxFuhpvOVCYkr33LPfFNBjAD/w3sEzWsp2BUOkI4l9bHvWioAd0rc6NlHUOEaWkTeqg==
   dependencies:
     anymatch "~3.1.1"
     braces "~3.0.2"
@@ -1188,9 +1207,9 @@ chokidar@3.3.0:
     is-binary-path "~2.1.0"
     is-glob "~4.0.1"
     normalize-path "~3.0.0"
-    readdirp "~3.2.0"
+    readdirp "~3.3.0"
   optionalDependencies:
-    fsevents "~2.1.1"
+    fsevents "~2.1.2"
 
 chokidar@^2.1.8:
   version "2.1.8"
@@ -1756,7 +1775,7 @@ diff@3.5.0:
   resolved "https://registry.yarnpkg.com/diff/-/diff-3.5.0.tgz#800c0dd1e0a8bfbc95835c202ad220fe317e5a12"
   integrity sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA==
 
-diff@^4.0.1:
+diff@4.0.2, diff@^4.0.1:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.2.tgz#60f3aecb89d5fae520c11aa19efc2bb982aade7d"
   integrity sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==
@@ -1911,7 +1930,12 @@ es-abstract@^1.17.0-next.1, es-abstract@^1.17.4, es-abstract@^1.17.5:
     string.prototype.trimleft "^2.1.1"
     string.prototype.trimright "^2.1.1"
 
-es-get-iterator@^1.1.0:
+es-array-method-boxes-properly@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/es-array-method-boxes-properly/-/es-array-method-boxes-properly-1.0.0.tgz#873f3e84418de4ee19c5be752990b2e44718d09e"
+  integrity sha512-wd6JXUmyHmt8T5a2xreUwKcGPq6f1f+WwIJkijUqiGcJz1qqnZgP6XIK+QyIWU5lT7imeNxUll48bziG+TSYcA==
+
+es-get-iterator@^1.0.2, es-get-iterator@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/es-get-iterator/-/es-get-iterator-1.1.0.tgz#bb98ad9d6d63b31aacdc8f89d5d0ee57bcb5b4c8"
   integrity sha512-UfrmHuWQlNMTs35e1ypnvikg6jCz3SK8v8ImvmDsh36fCVUR1MqoFDiyn0/k52C8NqO3YsO8Oe0azeesNuqSsQ==
@@ -2366,7 +2390,7 @@ find-up@3.0.0, find-up@^3.0.0:
   dependencies:
     locate-path "^3.0.0"
 
-find-up@^4.0.0, find-up@^4.1.0:
+find-up@4.1.0, find-up@^4.0.0, find-up@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/find-up/-/find-up-4.1.0.tgz#97afe7d6cdc0bc5928584b7c8d7b16e8a9aa5d19"
   integrity sha512-PpOwAdQ/YlXQ2vj8a3h8IipDuYRi3wceVQQGYWxNINccq40Anw7BlsEXCMbt1Zt+OLA6Fq9suIpIWD0OsnISlw==
@@ -2503,10 +2527,10 @@ fsevents@^1.2.7:
     bindings "^1.5.0"
     nan "^2.12.1"
 
-fsevents@~2.1.1:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-2.1.2.tgz#4c0a1fb34bc68e543b4b82a9ec392bfbda840805"
-  integrity sha512-R4wDiBwZ0KzpgOWetKDug1FZcYhqYnUYKtfZYt4mD5SBz76q0KR4Q9o7GIPamsVPGmW3EYPPJ0dOOjvx32ldZA==
+fsevents@~2.1.2:
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-2.1.3.tgz#fb738703ae8d2f9fe900c33836ddebee8b97f23e"
+  integrity sha512-Auw9a4AxqWpa9GUfj370BMPzzyncfBABW8Mab7BGWBYDj4Isgq+cDKtx0i6u9jcX9pQDnswsaaOTgTmA5pEjuQ==
 
 function-bind@^1.1.1:
   version "1.1.1"
@@ -2533,6 +2557,11 @@ get-func-name@^2.0.0:
   resolved "https://registry.yarnpkg.com/get-func-name/-/get-func-name-2.0.0.tgz#ead774abee72e20409433a066366023dd6887a41"
   integrity sha1-6td0q+5y4gQJQzoGY2YCPdaIekE=
 
+get-package-type@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/get-package-type/-/get-package-type-0.1.0.tgz#8de2d803cff44df3bc6c456e6668b36c3926e11a"
+  integrity sha512-pjzuKtY64GYfWizNAJ0fr9VqttZkNiK2iS430LtIHzjBEr6bX8Am2zm4sW4Ro5wjWW5cAlRL1qAMTcXbjNAO2Q==
+
 get-stream@^4.0.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-4.1.0.tgz#c1b255575f3dc21d59bfc79cd3d2b46b1c3a54b5"
@@ -2579,7 +2608,7 @@ glob@7.1.3:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@^7.0.5, glob@^7.1.1, glob@^7.1.3, glob@^7.1.4, glob@^7.1.6:
+glob@7.1.6, glob@^7.0.5, glob@^7.1.1, glob@^7.1.3, glob@^7.1.4, glob@^7.1.6:
   version "7.1.6"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
   integrity sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==
@@ -2831,6 +2860,13 @@ iconv-lite@0.4.24, iconv-lite@^0.4.24:
   dependencies:
     safer-buffer ">= 2.1.2 < 3"
 
+iconv-lite@^0.5.1:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.5.1.tgz#b2425d3c7b18f7219f2ca663d103bddb91718d64"
+  integrity sha512-ONHr16SQvKZNSqjQT9gy5z24Jw+uqfO02/ngBSBoqChZ+W8qXX7GPRa1RoUnzGADw8K63R1BXUMzarCVQBpY8Q==
+  dependencies:
+    safer-buffer ">= 2.1.2 < 3"
+
 ieee754@^1.1.4:
   version "1.1.13"
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.13.tgz#ec168558e95aa181fd87d37f55c32bbcb6708b84"
@@ -3289,6 +3325,19 @@ istanbul-reports@^3.0.2:
     html-escaper "^2.0.0"
     istanbul-lib-report "^3.0.0"
 
+iterate-iterator@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/iterate-iterator/-/iterate-iterator-1.0.1.tgz#1693a768c1ddd79c969051459453f082fe82e9f6"
+  integrity sha512-3Q6tudGN05kbkDQDI4CqjaBf4qf85w6W6GnuZDtUVYwKgtC1q8yxYX7CZed7N+tLzQqS6roujWvszf13T+n9aw==
+
+iterate-value@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/iterate-value/-/iterate-value-1.0.2.tgz#935115bd37d006a52046535ebc8d07e9c9337f57"
+  integrity sha512-A6fMAio4D2ot2r/TYzr4yUWrmwNdsN5xL7+HUiyACE4DXm+q8HtPcnFTp+NnW3k4N05tZ7FVYFFb2CR13NxyHQ==
+  dependencies:
+    es-get-iterator "^1.0.2"
+    iterate-iterator "^1.0.1"
+
 javascript-natural-sort@0.7.1:
   version "0.7.1"
   resolved "https://registry.yarnpkg.com/javascript-natural-sort/-/javascript-natural-sort-0.7.1.tgz#f9e2303d4507f6d74355a73664d1440fb5a0ef59"
@@ -3463,7 +3512,7 @@ loader-utils@1.2.3:
     emojis-list "^2.0.0"
     json5 "^1.0.1"
 
-loader-utils@^1.0.2, loader-utils@^1.1.0, loader-utils@^1.2.3:
+loader-utils@^1.0.2, loader-utils@^1.2.3:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-1.4.0.tgz#c579b5e34cb34b1a74edc6c1fb36bfa371d5a613"
   integrity sha512-qH0WSMBtn/oHuwjy/NucEgbx5dbxxnxup9s4PVXJUDHZBQY+s0NWA9rJf53RBnQZxfch7euUui7hpoAPvALZdA==
@@ -3472,6 +3521,15 @@ loader-utils@^1.0.2, loader-utils@^1.1.0, loader-utils@^1.2.3:
     emojis-list "^3.0.0"
     json5 "^1.0.1"
 
+loader-utils@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-2.0.0.tgz#e4cace5b816d425a166b5f097e10cd12b36064b0"
+  integrity sha512-rP4F0h2RaWSvPEkD7BLDFQnvSf+nK+wr3ESUjNTyAGobqrijmW92zc+SO6d4p4B1wh7+B/Jg1mkQe5NYUEHtHQ==
+  dependencies:
+    big.js "^5.2.2"
+    emojis-list "^3.0.0"
+    json5 "^2.1.2"
+
 locate-path@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-3.0.0.tgz#dbec3b3ab759758071b58fe59fc41871af21400e"
@@ -3746,7 +3804,7 @@ mkdirp@0.5.4:
   dependencies:
     minimist "^1.2.5"
 
-mkdirp@0.5.5, mkdirp@^0.5.1, mkdirp@^0.5.3, mkdirp@^0.5.4:
+mkdirp@^0.5.1, mkdirp@^0.5.3, mkdirp@^0.5.4:
   version "0.5.5"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.5.tgz#d91cefd62d1436ca0f41620e251288d420099def"
   integrity sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==
@@ -3782,32 +3840,33 @@ mocha@^6.1.4:
     yargs-parser "13.1.2"
     yargs-unparser "1.6.0"
 
-mocha@^7.1.2:
-  version "7.1.2"
-  resolved "https://registry.yarnpkg.com/mocha/-/mocha-7.1.2.tgz#8e40d198acf91a52ace122cd7599c9ab857b29e6"
-  integrity sha512-o96kdRKMKI3E8U0bjnfqW4QMk12MwZ4mhdBTf+B5a1q9+aq2HRnj+3ZdJu0B/ZhJeK78MgYuv6L8d/rA5AeBJA==
+mocha@^8.0.1:
+  version "8.0.1"
+  resolved "https://registry.yarnpkg.com/mocha/-/mocha-8.0.1.tgz#fe01f0530362df271aa8f99510447bc38b88d8ed"
+  integrity sha512-vefaXfdYI8+Yo8nPZQQi0QO2o+5q9UIMX1jZ1XMmK3+4+CQjc7+B0hPdUeglXiTlr8IHMVRo63IhO9Mzt6fxOg==
   dependencies:
-    ansi-colors "3.2.3"
+    ansi-colors "4.1.1"
     browser-stdout "1.3.1"
-    chokidar "3.3.0"
+    chokidar "3.3.1"
     debug "3.2.6"
-    diff "3.5.0"
+    diff "4.0.2"
     escape-string-regexp "1.0.5"
-    find-up "3.0.0"
-    glob "7.1.3"
+    find-up "4.1.0"
+    glob "7.1.6"
     growl "1.10.5"
     he "1.2.0"
     js-yaml "3.13.1"
     log-symbols "3.0.0"
     minimatch "3.0.4"
-    mkdirp "0.5.5"
-    ms "2.1.1"
-    node-environment-flags "1.0.6"
+    ms "2.1.2"
     object.assign "4.1.0"
-    strip-json-comments "2.0.1"
-    supports-color "6.0.0"
-    which "1.3.1"
+    promise.allsettled "1.0.2"
+    serialize-javascript "3.0.0"
+    strip-json-comments "3.0.1"
+    supports-color "7.1.0"
+    which "2.0.2"
     wide-align "1.1.3"
+    workerpool "6.0.0"
     yargs "13.3.2"
     yargs-parser "13.1.2"
     yargs-unparser "1.6.0"
@@ -3834,7 +3893,7 @@ ms@2.1.1:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
   integrity sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==
 
-ms@^2.1.1:
+ms@2.1.2, ms@^2.1.1:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
   integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
@@ -3899,14 +3958,6 @@ node-environment-flags@1.0.5:
     object.getownpropertydescriptors "^2.0.3"
     semver "^5.7.0"
 
-node-environment-flags@1.0.6:
-  version "1.0.6"
-  resolved "https://registry.yarnpkg.com/node-environment-flags/-/node-environment-flags-1.0.6.tgz#a30ac13621f6f7d674260a54dede048c3982c088"
-  integrity sha512-5Evy2epuL+6TM0lCQGpFIj6KwiEsGh1SrHUhTbNX+sLbBtjidPZFAnVK9y5yU1+h//RitLbRHTIMyxQPtxMdHw==
-  dependencies:
-    object.getownpropertydescriptors "^2.0.3"
-    semver "^5.7.0"
-
 node-libs-browser@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/node-libs-browser/-/node-libs-browser-2.2.1.tgz#b64f513d18338625f90346d27b0d235e631f6425"
@@ -3974,10 +4025,10 @@ nwsapi@^2.2.0:
   resolved "https://registry.yarnpkg.com/nwsapi/-/nwsapi-2.2.0.tgz#204879a9e3d068ff2a55139c2c772780681a38b7"
   integrity sha512-h2AatdwYH+JHiZpv7pt/gSX1XoRGb7L/qSIeuqA6GwYoF9w1vP1cw42TO0aI2pNyshRK5893hNSl+1//vHK7hQ==
 
-nyc@^15.0.1:
-  version "15.0.1"
-  resolved "https://registry.yarnpkg.com/nyc/-/nyc-15.0.1.tgz#bd4d5c2b17f2ec04370365a5ca1fc0ed26f9f93d"
-  integrity sha512-n0MBXYBYRqa67IVt62qW1r/d9UH/Qtr7SF1w/nQLJ9KxvWF6b2xCHImRAixHN9tnMMYHC2P14uo6KddNGwMgGg==
+nyc@^15.1.0:
+  version "15.1.0"
+  resolved "https://registry.yarnpkg.com/nyc/-/nyc-15.1.0.tgz#1335dae12ddc87b6e249d5a1994ca4bdaea75f02"
+  integrity sha512-jMW04n9SxKdKi1ZMGhvUTHBN0EICCRkHemEoE5jm6mTYcqcdas0ATzgUgejlQUHMvpnOZqGB5Xxsv9KxJW1j8A==
   dependencies:
     "@istanbuljs/load-nyc-config" "^1.0.0"
     "@istanbuljs/schema" "^0.1.2"
@@ -3987,6 +4038,7 @@ nyc@^15.0.1:
     find-cache-dir "^3.2.0"
     find-up "^4.1.0"
     foreground-child "^2.0.0"
+    get-package-type "^0.1.0"
     glob "^7.1.6"
     istanbul-lib-coverage "^3.0.0"
     istanbul-lib-hook "^3.0.0"
@@ -4314,7 +4366,7 @@ performance-now@^2.1.0:
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
   integrity sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=
 
-picomatch@^2.0.4, picomatch@^2.0.5:
+picomatch@^2.0.4, picomatch@^2.0.5, picomatch@^2.0.7:
   version "2.2.2"
   resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.2.2.tgz#21f333e9b6b8eaff02468f5146ea406d345f4dad"
   integrity sha512-q0M/9eZHzmr0AulXyPwNfZjtwZ/RBZlbN3K3CErVrk50T2ASYI7Bye0EvekFY3IP1Nt2DHu0re+V2ZHIpMkuWg==
@@ -4396,6 +4448,17 @@ promise-inflight@^1.0.1:
   resolved "https://registry.yarnpkg.com/promise-inflight/-/promise-inflight-1.0.1.tgz#98472870bf228132fcbdd868129bad12c3c029e3"
   integrity sha1-mEcocL8igTL8vdhoEputEsPAKeM=
 
+promise.allsettled@1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/promise.allsettled/-/promise.allsettled-1.0.2.tgz#d66f78fbb600e83e863d893e98b3d4376a9c47c9"
+  integrity sha512-UpcYW5S1RaNKT6pd+s9jp9K9rlQge1UXKskec0j6Mmuq7UJCvlS2J2/s/yuPN8ehftf9HXMxWlKiPbGGUzpoRg==
+  dependencies:
+    array.prototype.map "^1.0.1"
+    define-properties "^1.1.3"
+    es-abstract "^1.17.0-next.1"
+    function-bind "^1.1.1"
+    iterate-value "^1.0.0"
+
 proxy-addr@~2.0.5:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-2.0.6.tgz#fdc2336505447d3f2f2c638ed272caf614bbb2bf"
@@ -4566,12 +4629,12 @@ readdirp@^2.2.1:
     micromatch "^3.1.10"
     readable-stream "^2.0.2"
 
-readdirp@~3.2.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-3.2.0.tgz#c30c33352b12c96dfb4b895421a49fd5a9593839"
-  integrity sha512-crk4Qu3pmXwgxdSgGhgA/eXiJAPQiX4GMOZZMXnqKxHX7TaoL+3gQVo/WeuAiogr07DpnfjIMpXXa+PAIvwPGQ==
+readdirp@~3.3.0:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-3.3.0.tgz#984458d13a1e42e2e9f5841b129e162f369aff17"
+  integrity sha512-zz0pAkSPOXXm1viEwygWIPSPkcBYjW1xU5j/JBh5t9bGCJwa6f9+BJa6VaB2g+b55yVrmXzqkyLf4xaWYM0IkQ==
   dependencies:
-    picomatch "^2.0.4"
+    picomatch "^2.0.7"
 
 regex-not@^1.0.0, regex-not@^1.0.2:
   version "1.0.2"
@@ -4821,6 +4884,14 @@ schema-utils@^1.0.0:
     ajv-errors "^1.0.0"
     ajv-keywords "^3.1.0"
 
+schema-utils@^2.6.6:
+  version "2.6.6"
+  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-2.6.6.tgz#299fe6bd4a3365dc23d99fd446caff8f1d6c330c"
+  integrity sha512-wHutF/WPSbIi9x6ctjGGk2Hvl0VOz5l3EKEuKbjPlB30mKZUzb9A5k9yEXRX3pwyqVLPvpfZZEllaFq/M718hA==
+  dependencies:
+    ajv "^6.12.0"
+    ajv-keywords "^3.4.1"
+
 seed-random@2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/seed-random/-/seed-random-2.2.0.tgz#2a9b19e250a817099231a5b99a4daf80b7fbed54"
@@ -4860,6 +4931,11 @@ send@0.17.1:
     range-parser "~1.2.1"
     statuses "~1.5.0"
 
+serialize-javascript@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-3.0.0.tgz#492e489a2d77b7b804ad391a5f5d97870952548e"
+  integrity sha512-skZcHYw2vEX4bw90nAr2iTTsz6x2SrHEnfxgKYmZlvJYBEZrvbKtobJWlQ20zczKb3bsHHXXTYt48zBA7ni9cw==
+
 serialize-javascript@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-2.1.2.tgz#ecec53b0e0317bdc95ef76ab7074b7384785fa61"
@@ -5003,13 +5079,16 @@ source-list-map@^2.0.0:
   resolved "https://registry.yarnpkg.com/source-list-map/-/source-list-map-2.0.1.tgz#3993bd873bfc48479cca9ea3a547835c7c154b34"
   integrity sha512-qnQ7gVMxGNxsiL4lEuJwe/To8UnK7fAnmbGEEH8RpLouuKbeEm0lhbQVFIrNSuB+G7tVrAlVsZgETT5nljf+Iw==
 
-source-map-loader@^0.2.4:
-  version "0.2.4"
-  resolved "https://registry.yarnpkg.com/source-map-loader/-/source-map-loader-0.2.4.tgz#c18b0dc6e23bf66f6792437557c569a11e072271"
-  integrity sha512-OU6UJUty+i2JDpTItnizPrlpOIBLmQbWMuBg9q5bVtnHACqw1tn9nNwqJLbv0/00JjnJb/Ee5g5WS5vrRv7zIQ==
+source-map-loader@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/source-map-loader/-/source-map-loader-1.0.0.tgz#240b88575a9b0d27214aeecbd4e7686af95cfa56"
+  integrity sha512-ZayyQCSCrQazN50aCvuS84lJT4xc1ZAcykH5blHaBdVveSwjiFK8UGMPvao0ho54DTb0Jf7m57uRRG/YYUZ2Fg==
   dependencies:
-    async "^2.5.0"
-    loader-utils "^1.1.0"
+    data-urls "^2.0.0"
+    iconv-lite "^0.5.1"
+    loader-utils "^2.0.0"
+    schema-utils "^2.6.6"
+    source-map "^0.6.0"
 
 source-map-resolve@^0.5.0:
   version "0.5.3"
@@ -5245,7 +5324,7 @@ strip-json-comments@2.0.1:
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
   integrity sha1-PFMZQukIwml8DsNEhYwobHygpgo=
 
-strip-json-comments@^3.0.1:
+strip-json-comments@3.0.1, strip-json-comments@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-3.0.1.tgz#85713975a91fb87bf1b305cca77395e40d2a64a7"
   integrity sha512-VTyMAUfdm047mwKl+u79WIdrZxtFtn+nBxHeb844XBQ9uMNTuTHdx2hc5RiAJYqwTj3wc/xe5HLSdJSkJ+WfZw==
@@ -5264,6 +5343,13 @@ supports-color@6.1.0:
   dependencies:
     has-flag "^3.0.0"
 
+supports-color@7.1.0, supports-color@^7.1.0:
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-7.1.0.tgz#68e32591df73e25ad1c4b49108a2ec507962bfd1"
+  integrity sha512-oRSIpR8pxT1Wr2FquTNnGet79b3BWljqOuoW/h4oBhxJ/HUbX5nX6JSruTkvXDCFMwDPvsaTTbvMLKZWSy0R5g==
+  dependencies:
+    has-flag "^4.0.0"
+
 supports-color@^5.3.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"
@@ -5271,13 +5357,6 @@ supports-color@^5.3.0:
   dependencies:
     has-flag "^3.0.0"
 
-supports-color@^7.1.0:
-  version "7.1.0"
-  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-7.1.0.tgz#68e32591df73e25ad1c4b49108a2ec507962bfd1"
-  integrity sha512-oRSIpR8pxT1Wr2FquTNnGet79b3BWljqOuoW/h4oBhxJ/HUbX5nX6JSruTkvXDCFMwDPvsaTTbvMLKZWSy0R5g==
-  dependencies:
-    has-flag "^4.0.0"
-
 symbol-tree@^3.2.4:
   version "3.2.4"
   resolved "https://registry.yarnpkg.com/symbol-tree/-/symbol-tree-3.2.4.tgz#430637d248ba77e078883951fb9aa0eed7c63fa2"
@@ -5449,10 +5528,10 @@ triple-beam@^1.2.0, triple-beam@^1.3.0:
   resolved "https://registry.yarnpkg.com/triple-beam/-/triple-beam-1.3.0.tgz#a595214c7298db8339eeeee083e4d10bd8cb8dd9"
   integrity sha512-XrHUvV5HpdLmIj4uVMxHggLbFSZYIn7HEWsqePZcI50pco+MPqJ50wMGY794X7AOOhxOBAjbkqfAbEe/QMp2Lw==
 
-ts-loader@^7.0.4:
-  version "7.0.4"
-  resolved "https://registry.yarnpkg.com/ts-loader/-/ts-loader-7.0.4.tgz#5d9b95227de5afb91fdd9668f8920eb193cfe0cc"
-  integrity sha512-5du6OQHl+4ZjO4crEyoYUyWSrmmo7bAO+inkaILZ68mvahqrfoa4nn0DRmpQ4ruT4l+cuJCgF0xD7SBIyLeeow==
+ts-loader@^7.0.5:
+  version "7.0.5"
+  resolved "https://registry.yarnpkg.com/ts-loader/-/ts-loader-7.0.5.tgz#789338fb01cb5dc0a33c54e50558b34a73c9c4c5"
+  integrity sha512-zXypEIT6k3oTc+OZNx/cqElrsbBtYqDknf48OZos0NQ3RTt045fBIU8RRSu+suObBzYB355aIPGOe/3kj9h7Ig==
   dependencies:
     chalk "^2.3.0"
     enhanced-resolve "^4.0.0"
@@ -5563,9 +5642,9 @@ typedarray@^0.0.6:
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
 typescript@3.9, typescript@^3.5.1:
-  version "3.9.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.2.tgz#64e9c8e9be6ea583c54607677dd4680a1cf35db9"
-  integrity sha512-q2ktq4n/uLuNNShyayit+DTobV2ApPEo/6so68JaD5ojvc/6GClBipedB9zNWYxRSAlZXAe405Rlijzl6qDiSw==
+  version "3.9.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.5.tgz#586f0dba300cde8be52dd1ac4f7e1009c1b13f36"
+  integrity sha512-hSAifV3k+i6lEoCJ2k6R2Z/rp/H3+8sdmcn5NrS3/3kE7+RyZXm9aqvxWqjEXHAd8b0pShatpcdMTvEdvAJltQ==
 
 union-value@^1.0.0:
   version "1.0.1"
@@ -5857,7 +5936,7 @@ which@1.3.1, which@^1.2.14, which@^1.2.9, which@^1.3.1:
   dependencies:
     isexe "^2.0.0"
 
-which@^2.0.1:
+which@2.0.2, which@^2.0.1:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/which/-/which-2.0.2.tgz#7c6a8dd0a636a0327e10b59c9286eee93f3f51b1"
   integrity sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==
@@ -5906,6 +5985,11 @@ worker-farm@^1.7.0:
   dependencies:
     errno "~0.1.7"
 
+workerpool@6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/workerpool/-/workerpool-6.0.0.tgz#85aad67fa1a2c8ef9386a1b43539900f61d03d58"
+  integrity sha512-fU2OcNA/GVAJLLyKUoHkAgIhKb0JoCpSjLC/G2vYKxUjVmQwGbRVeoPJ1a8U4pnVofz4AQV5Y/NEw8oKqxEBtA==
+
 wrap-ansi@^5.1.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-5.1.0.tgz#1fd1f67235d5b6d0fee781056001bfb694c03b09"