Remove open event

Fixes #901

fixtures/typings-test/typings-test.ts

@@ -63,7 +63,6 @@ namespace methods_core {
     t.on('blur', () => {});
     t.on('focus', () => {});
     t.on('lineFeed', () => {});
-    t.on('open', () => {});
     // args
     t.on('data', () => {});
     t.on('data', (data: string) => console.log(data));
@@ -89,7 +88,6 @@ namespace methods_core {
     t.off('blur', () => {});
     t.off('focus', () => {});
     t.off('lineFeed', () => {});
-    t.off('open', () => {});
     // args
     t.off('data', () => {});
     t.off('data', (data: string) => console.log(data));

src/Terminal.ts

@@ -765,13 +765,6 @@ export class Terminal extends EventEmitter implements ITerminal, IInputHandlingT
     // Listen for mouse events and translate
     // them into terminal mouse protocols.
     this.bindMouse();
-
-    /**
-     * This event is emitted when terminal has completed opening.
-     *
-     * @event open
-     */
-    this.emit('open');
   }
 
   /**

typings/xterm.d.ts

@@ -112,7 +112,7 @@ declare module 'xterm' {
      * @param type The type of the event.
      * @param listener The listener.
      */
-    on(type: 'blur' | 'focus' | 'lineFeed' | 'open', listener: () => void): void;
+    on(type: 'blur' | 'focus' | 'lineFeed', listener: () => void): void;
     /**
      * Registers an event listener.
      * @param type The type of the event.
@@ -161,7 +161,7 @@ declare module 'xterm' {
      * @param type The type of the event.
      * @param listener The listener.
      */
-    off(type: 'blur' | 'focus' | 'lineFeed' | 'open' | 'data' | 'key' | 'keypress' | 'keydown' | 'refresh' | 'resize' | 'scroll' | 'title', listener: (...args: any[]) => void): void;
+    off(type: 'blur' | 'focus' | 'lineFeed' | 'data' | 'key' | 'keypress' | 'keydown' | 'refresh' | 'resize' | 'scroll' | 'title', listener: (...args: any[]) => void): void;
 
     /**
      * Resizes the terminal.