// Metro module 584 (f585).
class Backoff {
  constructor(min = 500, max = null, jitter = true) {
    const prototype = new.target.prototype;
    if (min <= 0) {
      throw Error("Backoff min value must be greater than zero or backoff will never back-off.");
    }
    const r8 = {
      __proto__: prototype,
      _fails: 0
    };
    r8.min = min;
    if (max == null) {
      max = 10 * min;
    }
    r8.max = max;
    r8.jitter = jitter;
    r8._current = min;
    return r8;
  }
  get fails() {
    return this._fails;
  }
  get current() {
    return this._current;
  }
  get pending() {
    return this._timeoutId != null;
  }
  succeed() {
    this.cancel();
    this._fails = 0;
    this._current = this.min;
  }
  fail(a0, a1) {
    this._fails = this._fails + 1;
    const r1 = 2 * this._current;
    const r19 = this.jitter ? r1 * Math.random() : r1;
    let r23 = a1;
    this._current = Math.min(this._current + r19, this.max);
    if (!(a1 != null && a1 > this._current)) {
      r23 = this._current;
    }
    if (a0 != null) {
      if (this._timeoutId != null) {
        if (this._callback !== a0) {
          throw new Error("callback already pending");
        }
        this.cancel();
      }
      this._callback = a0;
      this._timeoutId = setTimeout(() => {
        try {
          if (a0 != null) {
            a0();
          }
        } catch (r9) {
          this.cancel();
          throw r9;
        }
        this.cancel();
      }, r23);
    }
    return r23;
  }
  cancel() {
    this._callback = null;
    if (this._timeoutId != null) {
      clearTimeout(this._timeoutId);
      this._timeoutId = null;
    }
  }
}
export default Backoff;