Make lineFeed event lowercase

Fixes #1159

fixtures/typings-test/typings-test.ts

@@ -63,7 +63,7 @@ namespace methods_core {
     // no arg
     t.on('blur', () => {});
     t.on('focus', () => {});
-    t.on('lineFeed', () => {});
+    t.on('linefeed', () => {});
     t.on('selection', () => {});
     // args
     t.on('data', () => {});
@@ -89,7 +89,7 @@ namespace methods_core {
     // no arg
     t.off('blur', () => {});
     t.off('focus', () => {});
-    t.off('lineFeed', () => {});
+    t.off('linefeed', () => {});
     t.off('selection', () => {});
     // args
     t.off('data', () => {});

src/InputHandler.ts

@@ -134,9 +134,9 @@ export class InputHandler implements IInputHandler {
     /**
      * This event is emitted whenever the terminal outputs a LF or NL.
      *
-     * @event lineFeed
+     * @event linefeed
      */
-    this._terminal.emit('lineFeed');
+    this._terminal.emit('linefeed');
   }
 
   /**

src/addons/winptyCompat/winptyCompat.ts

@@ -41,7 +41,7 @@ declare var define: any;
     // space. This is certainly not without its problems, but generally on
     // Windows when text reaches the end of the terminal it's likely going to be
     // wrapped.
-    this.on('lineFeed', () => {
+    this.on('linefeed', () => {
       const line = this.buffer.lines.get(this.buffer.ybase + this.buffer.y - 1);
       const lastChar = line[this.cols - 1];
       if (lastChar[3] !== 32 /* ' ' */) {

typings/xterm.d.ts

@@ -218,7 +218,7 @@ declare module 'xterm' {
      * @param type The type of the event.
      * @param listener The listener.
      */
-    on(type: 'blur' | 'focus' | 'lineFeed' | 'selection', listener: () => void): void;
+    on(type: 'blur' | 'focus' | 'linefeed' | 'selection', listener: () => void): void;
     /**
      * Registers an event listener.
      * @param type The type of the event.
@@ -273,7 +273,7 @@ declare module 'xterm' {
      * @param type The type of the event.
      * @param listener The listener.
      */
-    off(type: 'blur' | 'focus' | 'lineFeed' | 'selection' | 'data' | 'key' | 'keypress' | 'keydown' | 'refresh' | 'resize' | 'scroll' | 'title' | string, listener: (...args: any[]) => void): void;
+    off(type: 'blur' | 'focus' | 'linefeed' | 'selection' | 'data' | 'key' | 'keypress' | 'keydown' | 'refresh' | 'resize' | 'scroll' | 'title' | string, listener: (...args: any[]) => void): void;
 
     /**
      * Resizes the terminal.