Method initLinesCache

addons/addon-search/src/SearchLineCache.ts:50–61

* Sets up a line cache with a ttl

()

   * Sets up a line cache with a ttl
   */
  public initLinesCache(): void {
    if (!this._linesCache) {
      this._linesCache = new Array(this._terminal.buffer.active.length);
      this._linesCacheDisposables.value = combinedDisposable(
        this._terminal.onLineFeed(() => this._destroyLinesCache()),
        this._terminal.onCursorMove(() => this._destroyLinesCache()),
        this._terminal.onResize(() => this._destroyLinesCache())
      );
    }

    this._linesCacheTimeout.value = disposableTimeout(() => this._destroyLinesCache(), Constants.LINES_CACHE_TIME_TO_LIVE);
  }

  private _destroyLinesCache(): void {
    this._linesCache = undefined;