"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.TimeoutError = exports.AbortError = void 0;
exports.default = pTimeout;
class TimeoutError extends Error {
  constructor(message) {
    super(message);
    this.name = 'TimeoutError';
  }
}

/**
An error to be thrown when the request is aborted by AbortController.
DOMException is thrown instead of this Error when DOMException is available.
*/
exports.TimeoutError = TimeoutError;
class AbortError extends Error {
  constructor(message) {
    super();
    this.name = 'AbortError';
    this.message = message;
  }
}

/**
TODO: Remove AbortError and just throw DOMException when targeting Node 18.
*/
exports.AbortError = AbortError;
const getDOMException = errorMessage => globalThis.DOMException === undefined ? new AbortError(errorMessage) : new DOMException(errorMessage);

/**
TODO: Remove below function and just 'reject(signal.reason)' when targeting Node 18.
*/
const getAbortedReason = signal => {
  const reason = signal.reason === undefined ? getDOMException('This operation was aborted.') : signal.reason;
  return reason instanceof Error ? reason : getDOMException(reason);
};
function pTimeout(promise, options) {
  const {
    milliseconds,
    fallback,
    message,
    customTimers = {
      setTimeout,
      clearTimeout
    }
  } = options;
  let timer;
  const wrappedPromise = new Promise((resolve, reject) => {
    if (typeof milliseconds !== 'number' || Math.sign(milliseconds) !== 1) {
      throw new TypeError(`Expected \`milliseconds\` to be a positive number, got \`${milliseconds}\``);
    }
    if (options.signal) {
      const {
        signal
      } = options;
      if (signal.aborted) {
        reject(getAbortedReason(signal));
      }
      const abortHandler = () => {
        reject(getAbortedReason(signal));
      };
      signal.addEventListener('abort', abortHandler, {
        once: true
      });
      promise.finally(() => {
        signal.removeEventListener('abort', abortHandler);
      });
    }
    if (milliseconds === Number.POSITIVE_INFINITY) {
      promise.then(resolve, reject);
      return;
    }

    // We create the error outside of `setTimeout` to preserve the stack trace.
    const timeoutError = new TimeoutError();
    timer = customTimers.setTimeout.call(undefined, () => {
      if (fallback) {
        try {
          resolve(fallback());
        } catch (error) {
          reject(error);
        }
        return;
      }
      if (typeof promise.cancel === 'function') {
        promise.cancel();
      }
      if (message === false) {
        resolve();
      } else if (message instanceof Error) {
        reject(message);
      } else {
        timeoutError.message = message !== null && message !== void 0 ? message : `Promise timed out after ${milliseconds} milliseconds`;
        reject(timeoutError);
      }
    }, milliseconds);
    (async () => {
      try {
        resolve(await promise);
      } catch (error) {
        reject(error);
      }
    })();
  });
  const cancelablePromise = wrappedPromise.finally(() => {
    cancelablePromise.clear();
  });
  cancelablePromise.clear = () => {
    customTimers.clearTimeout.call(undefined, timer);
    timer = undefined;
  };
  return cancelablePromise;
}