remove experimental flag for recycling, merge with TypedArray setting

src/Terminal.ts

@@ -106,8 +106,7 @@ const DEFAULT_OPTIONS: ITerminalOptions = {
   theme: null,
   rightClickSelectsWord: Browser.isMac,
   rendererType: 'canvas',
-  experimentalBufferLineImpl: 'JsArray',
-  experimentalBufferLineRecycling: false
+  experimentalBufferLineImpl: 'JsArray'
 };
 
 export class Terminal extends EventEmitter implements ITerminal, IDisposable, IInputHandlingTerminal {
@@ -1181,7 +1180,7 @@ export class Terminal extends EventEmitter implements ITerminal, IDisposable, II
    */
   public scroll(isWrapped: boolean = false): void {
     let newLine: IBufferLine;
-    const useRecycling = this.options.experimentalBufferLineRecycling;
+    const useRecycling = this.options.experimentalBufferLineImpl === 'TypedArray';
     if (useRecycling) {
       newLine = this._blankLine;
       if (!newLine || newLine.length !== this.cols || newLine.get(0)[CHAR_DATA_ATTR_INDEX] !== this.eraseAttr()) {
@@ -1198,7 +1197,7 @@ export class Terminal extends EventEmitter implements ITerminal, IDisposable, II
 
     if (this.buffer.scrollTop === 0) {
       // Determine whether the buffer is going to be trimmed after insertion.
-      const willBufferBeTrimmed = this.buffer.lines.isFull();
+      const willBufferBeTrimmed = this.buffer.lines.isFull;
 
       // Insert the line using the fastest method
       if (bottomRow === this.buffer.lines.length - 1) {

src/common/CircularList.ts

@@ -114,7 +114,7 @@ export class CircularList<T> extends EventEmitter implements ICircularList<T> {
   /**
    * Ringbuffer is at max length.
    */
-  public isFull(): boolean {
+  public get isFull(): boolean {
     return this._length === this._maxLength;
   }
 

src/common/Types.ts

@@ -24,12 +24,12 @@ export interface IKeyboardEvent {
 export interface ICircularList<T> extends IEventEmitter {
   length: number;
   maxLength: number;
+  isFull: boolean;
 
   get(index: number): T | undefined;
   set(index: number, value: T): void;
   push(value: T): void;
   recycle(): T | undefined;
-  isFull(): boolean;
   pop(): T | undefined;
   splice(start: number, deleteCount: number, ...items: T[]): void;
   trimStart(count: number): void;

typings/xterm.d.ts

@@ -112,13 +112,6 @@ declare module 'xterm' {
      */
     experimentalBufferLineImpl?: 'JsArray' | 'TypedArray';
 
-    /**
-     * (EXPERIMENTAL) Enable recycling of buffer lines.
-     * 
-     * This option will be removed in the future.
-     */
-    experimentalBufferLineRecycling?: boolean;
-
     /**
      * The font size used to render text.
      */