Method enqueue

src/server/web/public/terminal.js:3639–3641

(e3)

            this._tasks = [], this._i = 0;
          }
          enqueue(e3) {
            this._tasks.push(e3), this._start();
          }
          flush() {
            for (; this._i < this._tasks.length; ) this._tasks[this._i]() || this._i++;
            this.clear();