“use strict”; module.exports = function(Promise, INTERNAL, debug) { var util = require(“./util”); var TimeoutError = Promise.TimeoutError;
function HandleWrapper(handle) {
this.handle = handle;
}
HandleWrapper.prototype._resultCancelled = function() {
clearTimeout(this.handle);
};
var afterValue = function(value) { return delay(+this).thenReturn(value); }; var delay = Promise.delay = function (ms, value) {
var ret; var handle; if (value !== undefined) { ret = Promise.resolve(value) ._then(afterValue, null, null, ms, undefined); if (debug.cancellation() && value instanceof Promise) { ret._setOnCancel(value); } } else { ret = new Promise(INTERNAL); handle = setTimeout(function() { ret._fulfill(); }, +ms); if (debug.cancellation()) { ret._setOnCancel(new HandleWrapper(handle)); } ret._captureStackTrace(); } ret._setAsyncGuaranteed(); return ret;
};
Promise.prototype.delay = function (ms) {
return delay(ms, this);
};
var afterTimeout = function (promise, message, parent) {
var err; if (typeof message !== "string") { if (message instanceof Error) { err = message; } else { err = new TimeoutError("operation timed out"); } } else { err = new TimeoutError(message); } util.markAsOriginatingFromRejection(err); promise._attachExtraTrace(err); promise._reject(err); if (parent != null) { parent.cancel(); }
};
function successClear(value) {
clearTimeout(this.handle); return value;
}
function failureClear(reason) {
clearTimeout(this.handle); throw reason;
}
Promise.prototype.timeout = function (ms, message) {
ms = +ms; var ret, parent; var handleWrapper = new HandleWrapper(setTimeout(function timeoutTimeout() { if (ret.isPending()) { afterTimeout(ret, message, parent); } }, ms)); if (debug.cancellation()) { parent = this.then(); ret = parent._then(successClear, failureClear, undefined, handleWrapper, undefined); ret._setOnCancel(handleWrapper); } else { ret = this._then(successClear, failureClear, undefined, handleWrapper, undefined); } return ret;
};
};