Method exec

web/src/utils/queue.ts:9–29

(fn: (...args: any[]) => any, scope: any, ...args: any[])

  private queue: Task[] = [];

  public exec<T>(fn: (...args: any[]) => any, scope: any, ...args: any[]): Promise<T> {
    return new Promise((resolve, reject) => {
      const copyFn = async () => {
        if (!fn) {
          reject(new Error('Function is null!'));
          return;
        }
        try {
          const res = await fn.call(scope, ...args);
          resolve(res);
        } catch (e) {
          reject(e);
        }
      };
      this.queue.push({
        fn: copyFn,
      });
      if (this.executing) return;
      this.execNextTask();
    });
  }

  private execNextTask() {
    if (this.queue.length < 1) {