Rename EventEmitter2 to EventEmitter

Fixes xtermjs#2029

src/InputHandler.ts

@@ -14,7 +14,7 @@ import { Disposable } from 'common/Lifecycle';
 import { concat } from 'common/TypedArrayUtils';
 import { StringToUtf32, stringFromCodePoint, utf32ToString, Utf8ToUtf32 } from 'common/input/TextDecoder';
 import { CellData, Attributes, FgFlags, BgFlags, AttributeData, NULL_CELL_WIDTH, NULL_CELL_CODE, DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';
-import { EventEmitter2, IEvent } from 'common/EventEmitter2';
+import { EventEmitter, IEvent } from 'common/EventEmitter';
 import { IParsingState, IDcsHandler, IEscapeSequenceParser } from 'common/parser/Types';
 
 /**
@@ -108,13 +108,13 @@ export class InputHandler extends Disposable implements IInputHandler {
   private _utf8Decoder: Utf8ToUtf32 = new Utf8ToUtf32();
   private _workCell: CellData = new CellData();
 
-  private _onCursorMove = new EventEmitter2<void>();
+  private _onCursorMove = new EventEmitter<void>();
   public get onCursorMove(): IEvent<void> { return this._onCursorMove.event; }
-  private _onData = new EventEmitter2<string>();
+  private _onData = new EventEmitter<string>();
   public get onData(): IEvent<string> { return this._onData.event; }
-  private _onLineFeed = new EventEmitter2<void>();
+  private _onLineFeed = new EventEmitter<void>();
   public get onLineFeed(): IEvent<void> { return this._onLineFeed.event; }
-  private _onScroll = new EventEmitter2<number>();
+  private _onScroll = new EventEmitter<number>();
   public get onScroll(): IEvent<number> { return this._onScroll.event; }
 
   constructor(

src/Linkifier.ts

@@ -7,7 +7,7 @@ import { ILinkifierEvent, ILinkMatcher, LinkMatcherHandler, ILinkMatcherOptions,
 import { IBufferStringIteratorResult } from 'common/buffer/Types';
 import { MouseZone } from './MouseZoneManager';
 import { getStringCellWidth } from 'common/CharWidth';
-import { EventEmitter2, IEvent } from 'common/EventEmitter2';
+import { EventEmitter, IEvent } from 'common/EventEmitter';
 
 /**
  * The Linkifier applies links to rows shortly after they have been refreshed.
@@ -34,11 +34,11 @@ export class Linkifier implements ILinkifier {
   private _nextLinkMatcherId = 0;
   private _rowsToLinkify: { start: number, end: number };
 
-  private _onLinkHover = new EventEmitter2<ILinkifierEvent>();
+  private _onLinkHover = new EventEmitter<ILinkifierEvent>();
   public get onLinkHover(): IEvent<ILinkifierEvent> { return this._onLinkHover.event; }
-  private _onLinkLeave = new EventEmitter2<ILinkifierEvent>();
+  private _onLinkLeave = new EventEmitter<ILinkifierEvent>();
   public get onLinkLeave(): IEvent<ILinkifierEvent> { return this._onLinkLeave.event; }
-  private _onLinkTooltip = new EventEmitter2<ILinkifierEvent>();
+  private _onLinkTooltip = new EventEmitter<ILinkifierEvent>();
   public get onLinkTooltip(): IEvent<ILinkifierEvent> { return this._onLinkTooltip.event; }
 
   constructor(

src/SelectionManager.ts

@@ -12,7 +12,7 @@ import { SelectionModel } from './SelectionModel';
 import { AltClickHandler } from './handlers/AltClickHandler';
 import { CellData } from 'common/buffer/BufferLine';
 import { IDisposable } from 'xterm';
-import { EventEmitter2, IEvent } from 'common/EventEmitter2';
+import { EventEmitter, IEvent } from 'common/EventEmitter';
 import { ICharSizeService } from 'browser/services/Services';
 import { IBufferService } from 'common/services/Services';
 
@@ -110,11 +110,11 @@ export class SelectionManager implements ISelectionManager {
 
   private _mouseDownTimeStamp: number;
 
-  private _onLinuxMouseSelection = new EventEmitter2<string>();
+  private _onLinuxMouseSelection = new EventEmitter<string>();
   public get onLinuxMouseSelection(): IEvent<string> { return this._onLinuxMouseSelection.event; }
-  private _onRedrawRequest = new EventEmitter2<ISelectionRedrawRequestEvent>();
+  private _onRedrawRequest = new EventEmitter<ISelectionRedrawRequestEvent>();
   public get onRedrawRequest(): IEvent<ISelectionRedrawRequestEvent> { return this._onRedrawRequest.event; }
-  private _onSelectionChange = new EventEmitter2<void>();
+  private _onSelectionChange = new EventEmitter<void>();
   public get onSelectionChange(): IEvent<void> { return this._onSelectionChange.event; }
 
   constructor(

src/Terminal.ts

@@ -45,7 +45,7 @@ import { removeTerminalFromCache } from './renderer/atlas/CharAtlasCache';
 import { DomRenderer } from './renderer/dom/DomRenderer';
 import { IKeyboardEvent, KeyboardResultType, ICharset, IBufferLine, IAttributeData } from 'common/Types';
 import { evaluateKeyboardEvent } from 'common/input/Keyboard';
-import { EventEmitter2, IEvent } from 'common/EventEmitter2';
+import { EventEmitter, IEvent } from 'common/EventEmitter';
 import { Attributes, DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';
 import { applyWindowsMode } from './WindowsMode';
 import { ColorManager } from 'browser/ColorManager';
@@ -190,32 +190,32 @@ export class Terminal extends Disposable implements ITerminal, IDisposable, IInp
   public get cols(): number { return this._bufferService.cols; }
   public get rows(): number { return this._bufferService.rows; }
 
-  private _onCursorMove = new EventEmitter2<void>();
+  private _onCursorMove = new EventEmitter<void>();
   public get onCursorMove(): IEvent<void> { return this._onCursorMove.event; }
-  private _onData = new EventEmitter2<string>();
+  private _onData = new EventEmitter<string>();
   public get onData(): IEvent<string> { return this._onData.event; }
-  private _onKey = new EventEmitter2<{ key: string, domEvent: KeyboardEvent }>();
+  private _onKey = new EventEmitter<{ key: string, domEvent: KeyboardEvent }>();
   public get onKey(): IEvent<{ key: string, domEvent: KeyboardEvent }> { return this._onKey.event; }
-  private _onLineFeed = new EventEmitter2<void>();
+  private _onLineFeed = new EventEmitter<void>();
   public get onLineFeed(): IEvent<void> { return this._onLineFeed.event; }
-  private _onRender = new EventEmitter2<{ start: number, end: number }>();
+  private _onRender = new EventEmitter<{ start: number, end: number }>();
   public get onRender(): IEvent<{ start: number, end: number }> { return this._onRender.event; }
-  private _onResize = new EventEmitter2<{ cols: number, rows: number }>();
+  private _onResize = new EventEmitter<{ cols: number, rows: number }>();
   public get onResize(): IEvent<{ cols: number, rows: number }> { return this._onResize.event; }
-  private _onScroll = new EventEmitter2<number>();
+  private _onScroll = new EventEmitter<number>();
   public get onScroll(): IEvent<number> { return this._onScroll.event; }
-  private _onSelectionChange = new EventEmitter2<void>();
+  private _onSelectionChange = new EventEmitter<void>();
   public get onSelectionChange(): IEvent<void> { return this._onSelectionChange.event; }
-  private _onTitleChange = new EventEmitter2<string>();
+  private _onTitleChange = new EventEmitter<string>();
   public get onTitleChange(): IEvent<string> { return this._onTitleChange.event; }
 
-  private _onFocus = new EventEmitter2<void>();
+  private _onFocus = new EventEmitter<void>();
   public get onFocus(): IEvent<void> { return this._onFocus.event; }
-  private _onBlur = new EventEmitter2<void>();
+  private _onBlur = new EventEmitter<void>();
   public get onBlur(): IEvent<void> { return this._onBlur.event; }
-  public onA11yCharEmitter = new EventEmitter2<string>();
+  public onA11yCharEmitter = new EventEmitter<string>();
   public get onA11yChar(): IEvent<string> { return this.onA11yCharEmitter.event; }
-  public onA11yTabEmitter = new EventEmitter2<number>();
+  public onA11yTabEmitter = new EventEmitter<number>();
   public get onA11yTab(): IEvent<number> { return this.onA11yTabEmitter.event; }
 
   /**

src/TestUtils.test.ts

@@ -14,7 +14,7 @@ import { Terminal } from './Terminal';
 import { AttributeData } from 'common/buffer/BufferLine';
 import { IColorManager, IColorSet, IMouseHelper } from 'browser/Types';
 import { IOptionsService } from 'common/services/Services';
-import { EventEmitter2 } from 'common/EventEmitter2';
+import { EventEmitter } from 'common/EventEmitter';
 
 export class TestTerminal extends Terminal {
   writeSync(data: string): void {
@@ -186,8 +186,8 @@ export class MockTerminal implements ITerminal {
 }
 
 export class MockInputHandlingTerminal implements IInputHandlingTerminal {
-  onA11yCharEmitter: EventEmitter2<string>;
-  onA11yTabEmitter: EventEmitter2<number>;
+  onA11yCharEmitter: EventEmitter<string>;
+  onA11yTabEmitter: EventEmitter<number>;
   element: HTMLElement;
   options: ITerminalOptions = {};
   cols: number;

src/Types.ts

@@ -5,7 +5,7 @@
 
 import { ITerminalOptions as IPublicTerminalOptions, IDisposable, IMarker, ISelectionPosition } from 'xterm';
 import { ICharset, IAttributeData, CharData } from 'common/Types';
-import { IEvent, EventEmitter2 } from 'common/EventEmitter2';
+import { IEvent, EventEmitter } from 'common/EventEmitter';
 import { IColorSet, IMouseHelper } from 'browser/Types';
 import { IOptionsService } from 'common/services/Services';
 import { IBuffer, IBufferSet } from 'common/buffer/Types';
@@ -54,8 +54,8 @@ export interface IInputHandlingTerminal {
   viewport: IViewport;
   selectionManager: ISelectionManager;
 
-  onA11yCharEmitter: EventEmitter2<string>;
-  onA11yTabEmitter: EventEmitter2<number>;
+  onA11yCharEmitter: EventEmitter<string>;
+  onA11yTabEmitter: EventEmitter<number>;
 
   bell(): void;
   focus(): void;

src/browser/TestUtils.test.ts

@@ -3,12 +3,12 @@
  * @license MIT
  */
 
-import { IEvent, EventEmitter2 } from 'common/EventEmitter2';
+import { IEvent, EventEmitter } from 'common/EventEmitter';
 import { ICharSizeService } from 'browser/services/Services';
 
 export class MockCharSizeService implements ICharSizeService {
   get hasValidSize(): boolean { return this.width > 0 && this.height > 0; }
-  onCharSizeChange: IEvent<void> = new EventEmitter2<void>().event;
+  onCharSizeChange: IEvent<void> = new EventEmitter<void>().event;
   constructor(public width: number, public height: number) {}
   measure(): void {}
 }

src/browser/services/CharSizeService.ts

@@ -4,7 +4,7 @@
  */
 
 import { IOptionsService } from 'common/services/Services';
-import { IEvent, EventEmitter2 } from 'common/EventEmitter2';
+import { IEvent, EventEmitter } from 'common/EventEmitter';
 import { ICharSizeService } from 'browser/services/Services';
 
 export class CharSizeService implements ICharSizeService {
@@ -14,7 +14,7 @@ export class CharSizeService implements ICharSizeService {
 
   public get hasValidSize(): boolean { return this.width > 0 && this.height > 0; }
 
-  private _onCharSizeChange = new EventEmitter2<void>();
+  private _onCharSizeChange = new EventEmitter<void>();
   public get onCharSizeChange(): IEvent<void> { return this._onCharSizeChange.event; }
 
   constructor(

src/browser/services/RenderService.ts

@@ -5,7 +5,7 @@
 
 import { IRenderer, IRenderDimensions, CharacterJoinerHandler } from 'browser/renderer/Types';
 import { RenderDebouncer } from 'browser/RenderDebouncer';
-import { EventEmitter2, IEvent } from 'common/EventEmitter2';
+import { EventEmitter, IEvent } from 'common/EventEmitter';
 import { Disposable } from 'common/Lifecycle';
 import { ScreenDprMonitor } from 'browser/ScreenDprMonitor';
 import { addDisposableDomListener } from 'browser/Lifecycle';
@@ -22,11 +22,11 @@ export class RenderService extends Disposable implements IRenderService {
   private _canvasWidth: number = 0;
   private _canvasHeight: number = 0;
 
-  private _onDimensionsChange = new EventEmitter2<IRenderDimensions>();
+  private _onDimensionsChange = new EventEmitter<IRenderDimensions>();
   public get onDimensionsChange(): IEvent<IRenderDimensions> { return this._onDimensionsChange.event; }
-  private _onRender = new EventEmitter2<{ start: number, end: number }>();
+  private _onRender = new EventEmitter<{ start: number, end: number }>();
   public get onRender(): IEvent<{ start: number, end: number }> { return this._onRender.event; }
-  private _onRefreshRequest = new EventEmitter2<{ start: number, end: number }>();
+  private _onRefreshRequest = new EventEmitter<{ start: number, end: number }>();
   public get onRefreshRequest(): IEvent<{ start: number, end: number }> { return this._onRefreshRequest.event; }
 
   public get dimensions(): IRenderDimensions { return this._renderer.dimensions; }

src/browser/services/Services.d.ts

@@ -3,7 +3,7 @@
  * @license MIT
  */
 
-import { IEvent } from 'common/EventEmitter2';
+import { IEvent } from 'common/EventEmitter';
 import { IRenderDimensions, IRenderer, CharacterJoinerHandler } from 'browser/renderer/Types';
 import { IColorSet } from 'browser/Types';
 

src/common/CircularList.ts

@@ -4,7 +4,7 @@
  */
 
 import { ICircularList } from 'common/Types';
-import { EventEmitter2, IEvent } from 'common/EventEmitter2';
+import { EventEmitter, IEvent } from 'common/EventEmitter';
 
 export interface IInsertEvent {
   index: number;
@@ -25,11 +25,11 @@ export class CircularList<T> implements ICircularList<T> {
   private _startIndex: number;
   private _length: number;
 
-  public onDeleteEmitter = new EventEmitter2<IDeleteEvent>();
+  public onDeleteEmitter = new EventEmitter<IDeleteEvent>();
   public get onDelete(): IEvent<IDeleteEvent> { return this.onDeleteEmitter.event; }
-  public onInsertEmitter = new EventEmitter2<IInsertEvent>();
+  public onInsertEmitter = new EventEmitter<IInsertEvent>();
   public get onInsert(): IEvent<IInsertEvent> { return this.onInsertEmitter.event; }
-  public onTrimEmitter = new EventEmitter2<number>();
+  public onTrimEmitter = new EventEmitter<number>();
   public get onTrim(): IEvent<number> { return this.onTrimEmitter.event; }
 
   constructor(

src/common/EventEmitter2.test.ts → src/common/EventEmitter.test.ts

@@ -4,12 +4,12 @@
  */
 
 import { assert } from 'chai';
-import { EventEmitter2 } from 'common/EventEmitter2';
+import { EventEmitter } from 'common/EventEmitter';
 
-describe('EventEmitter2', () => {
+describe('EventEmitter', () => {
   it('should fire listeners multiple times', () => {
     const order: string[] = [];
-    const emitter = new EventEmitter2<number>();
+    const emitter = new EventEmitter<number>();
     emitter.event(data => order.push(data + 'a'));
     emitter.event(data => order.push(data + 'b'));
     emitter.fire(1);
@@ -19,7 +19,7 @@ describe('EventEmitter2', () => {
 
   it('should not fire listeners once disposed', () => {
     const order: string[] = [];
-    const emitter = new EventEmitter2<number>();
+    const emitter = new EventEmitter<number>();
     emitter.event(data => order.push(data + 'a'));
     const disposeB = emitter.event(data => order.push(data + 'b'));
     emitter.event(data => order.push(data + 'c'));

src/common/EventEmitter2.ts → src/common/EventEmitter.ts

@@ -13,7 +13,7 @@ export interface IEvent<T> {
   (listener: (e: T) => any): IDisposable;
 }
 
-export class EventEmitter2<T> {
+export class EventEmitter<T> {
   private _listeners: IListener<T>[] = [];
   private _event?: IEvent<T>;
 

src/common/TestUtils.test.ts

@@ -4,7 +4,7 @@
  */
 
 import { IBufferService, IOptionsService, ITerminalOptions, IPartialTerminalOptions } from 'common/services/Services';
-import { IEvent, EventEmitter2 } from 'common/EventEmitter2';
+import { IEvent, EventEmitter } from 'common/EventEmitter';
 import { clone } from 'common/Clone';
 import { DEFAULT_OPTIONS } from 'common/services/OptionsService';
 
@@ -21,7 +21,7 @@ export class MockBufferService implements IBufferService {
 
 export class MockOptionsService implements IOptionsService {
   options: ITerminalOptions = clone(DEFAULT_OPTIONS);
-  onOptionChange: IEvent<string> = new EventEmitter2<string>().event;
+  onOptionChange: IEvent<string> = new EventEmitter<string>().event;
   constructor(testOptions: IPartialTerminalOptions) {
     Object.keys(testOptions).forEach(key => this.options[key] = (<any>testOptions)[key]);
   }

src/common/Types.ts

@@ -3,7 +3,7 @@
  * @license MIT
  */
 
-import { IEvent, EventEmitter2 } from 'common/EventEmitter2';
+import { IEvent, EventEmitter } from 'common/EventEmitter';
 import { IDeleteEvent, IInsertEvent } from 'common/CircularList';
 
 export const DEFAULT_COLOR = 256;
@@ -40,11 +40,11 @@ export interface ICircularList<T> {
   maxLength: number;
   isFull: boolean;
 
-  onDeleteEmitter: EventEmitter2<IDeleteEvent>;
+  onDeleteEmitter: EventEmitter<IDeleteEvent>;
   onDelete: IEvent<IDeleteEvent>;
-  onInsertEmitter: EventEmitter2<IInsertEvent>;
+  onInsertEmitter: EventEmitter<IInsertEvent>;
   onInsert: IEvent<IInsertEvent>;
-  onTrimEmitter: EventEmitter2<number>;
+  onTrimEmitter: EventEmitter<number>;
   onTrim: IEvent<number>;
 
   get(index: number): T | undefined;

src/common/buffer/BufferSet.ts

@@ -6,7 +6,7 @@
 import { IBuffer, IBufferSet } from 'common/buffer/Types';
 import { IAttributeData } from 'common/Types';
 import { Buffer } from 'common/buffer/Buffer';
-import { EventEmitter2, IEvent } from 'common/EventEmitter2';
+import { EventEmitter, IEvent } from 'common/EventEmitter';
 import { IOptionsService, IBufferService } from 'common/services/Services';
 
 /**
@@ -19,7 +19,7 @@ export class BufferSet implements IBufferSet {
   private _activeBuffer: Buffer;
 
 
-  private _onBufferActivate = new EventEmitter2<{activeBuffer: IBuffer, inactiveBuffer: IBuffer}>();
+  private _onBufferActivate = new EventEmitter<{activeBuffer: IBuffer, inactiveBuffer: IBuffer}>();
   public get onBufferActivate(): IEvent<{activeBuffer: IBuffer, inactiveBuffer: IBuffer}> { return this._onBufferActivate.event; }
 
   /**

src/common/buffer/Marker.ts

@@ -3,7 +3,7 @@
  * @license MIT
  */
 
-import { EventEmitter2, IEvent } from 'common/EventEmitter2';
+import { EventEmitter, IEvent } from 'common/EventEmitter';
 import { Disposable } from 'common/Lifecycle';
 import { IMarker } from 'common/Types';
 
@@ -15,7 +15,7 @@ export class Marker extends Disposable implements IMarker {
 
   public get id(): number { return this._id; }
 
-  private _onDispose = new EventEmitter2<void>();
+  private _onDispose = new EventEmitter<void>();
   public get onDispose(): IEvent<void> { return this._onDispose.event; }
 
   constructor(

src/common/buffer/Types.ts

@@ -4,7 +4,7 @@
  */
 
 import { IAttributeData, ICircularList, IBufferLine, ICellData } from 'common/Types';
-import { IEvent } from 'common/EventEmitter2';
+import { IEvent } from 'common/EventEmitter';
 
 // BufferIndex denotes a position in the buffer: [rowIndex, colIndex]
 export type BufferIndex = [number, number];

src/common/services/OptionsService.ts

@@ -4,7 +4,7 @@
  */
 
 import { IOptionsService, ITerminalOptions, IPartialTerminalOptions } from 'common/services/Services';
-import { EventEmitter2, IEvent } from 'common/EventEmitter2';
+import { EventEmitter, IEvent } from 'common/EventEmitter';
 import { isMac } from 'common/Platform';
 import { clone } from 'common/Clone';
 
@@ -57,7 +57,7 @@ const CONSTRUCTOR_ONLY_OPTIONS = ['cols', 'rows'];
 export class OptionsService implements IOptionsService {
   public options: ITerminalOptions;
 
-  private _onOptionChange = new EventEmitter2<string>();
+  private _onOptionChange = new EventEmitter<string>();
   public get onOptionChange(): IEvent<string> { return this._onOptionChange.event; }
 
   constructor(options: IPartialTerminalOptions) {