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- "use strict";
- module.exports = function() {
- var makeSelfResolutionError = function () {
- return new TypeError("circular promise resolution chain\u000a\u000a See http://goo.gl/LhFpo0\u000a");
- };
- var reflect = function() {
- return new Promise.PromiseInspection(this._target());
- };
- var apiRejection = function(msg) {
- return Promise.reject(new TypeError(msg));
- };
- var util = require("./util.js");
- var async = require("./async.js");
- var errors = require("./errors.js");
- var TypeError = Promise.TypeError = errors.TypeError;
- Promise.RangeError = errors.RangeError;
- Promise.CancellationError = errors.CancellationError;
- Promise.TimeoutError = errors.TimeoutError;
- Promise.OperationalError = errors.OperationalError;
- Promise.RejectionError = errors.OperationalError;
- Promise.AggregateError = errors.AggregateError;
- var INTERNAL = function(){};
- var APPLY = {};
- var NEXT_FILTER = {e: null};
- var tryConvertToPromise = require("./thenables.js")(Promise, INTERNAL);
- var PromiseArray =
- require("./promise_array.js")(Promise, INTERNAL,
- tryConvertToPromise, apiRejection);
- var CapturedTrace = require("./captured_trace.js")();
- var isDebugging = require("./debuggability.js")(Promise, CapturedTrace);
- /*jshint unused:false*/
- var createContext =
- require("./context.js")(Promise, CapturedTrace, isDebugging);
- var CatchFilter = require("./catch_filter.js")(NEXT_FILTER);
- var PromiseResolver = require("./promise_resolver.js");
- var nodebackForPromise = PromiseResolver._nodebackForPromise;
- var errorObj = util.errorObj;
- var tryCatch = util.tryCatch;
- function Promise(resolver) {
- if (typeof resolver !== "function") {
- throw new TypeError("the promise constructor requires a resolver function\u000a\u000a See http://goo.gl/EC22Yn\u000a");
- }
- if (this.constructor !== Promise) {
- throw new TypeError("the promise constructor cannot be invoked directly\u000a\u000a See http://goo.gl/KsIlge\u000a");
- }
- this._bitField = 0;
- this._fulfillmentHandler0 = undefined;
- this._rejectionHandler0 = undefined;
- this._progressHandler0 = undefined;
- this._promise0 = undefined;
- this._receiver0 = undefined;
- this._settledValue = undefined;
- if (resolver !== INTERNAL) this._resolveFromResolver(resolver);
- }
- Promise.prototype.toString = function () {
- return "[object Promise]";
- };
- Promise.prototype.caught = Promise.prototype["catch"] = function (fn) {
- var len = arguments.length;
- if (len > 1) {
- var catchInstances = new Array(len - 1),
- j = 0, i;
- for (i = 0; i < len - 1; ++i) {
- var item = arguments[i];
- if (typeof item === "function") {
- catchInstances[j++] = item;
- } else {
- return Promise.reject(
- new TypeError("Catch filter must inherit from Error or be a simple predicate function\u000a\u000a See http://goo.gl/o84o68\u000a"));
- }
- }
- catchInstances.length = j;
- fn = arguments[i];
- var catchFilter = new CatchFilter(catchInstances, fn, this);
- return this._then(undefined, catchFilter.doFilter, undefined,
- catchFilter, undefined);
- }
- return this._then(undefined, fn, undefined, undefined, undefined);
- };
- Promise.prototype.reflect = function () {
- return this._then(reflect, reflect, undefined, this, undefined);
- };
- Promise.prototype.then = function (didFulfill, didReject, didProgress) {
- if (isDebugging() && arguments.length > 0 &&
- typeof didFulfill !== "function" &&
- typeof didReject !== "function") {
- var msg = ".then() only accepts functions but was passed: " +
- util.classString(didFulfill);
- if (arguments.length > 1) {
- msg += ", " + util.classString(didReject);
- }
- this._warn(msg);
- }
- return this._then(didFulfill, didReject, didProgress,
- undefined, undefined);
- };
- Promise.prototype.done = function (didFulfill, didReject, didProgress) {
- var promise = this._then(didFulfill, didReject, didProgress,
- undefined, undefined);
- promise._setIsFinal();
- };
- Promise.prototype.spread = function (didFulfill, didReject) {
- return this.all()._then(didFulfill, didReject, undefined, APPLY, undefined);
- };
- Promise.prototype.isCancellable = function () {
- return !this.isResolved() &&
- this._cancellable();
- };
- Promise.prototype.toJSON = function () {
- var ret = {
- isFulfilled: false,
- isRejected: false,
- fulfillmentValue: undefined,
- rejectionReason: undefined
- };
- if (this.isFulfilled()) {
- ret.fulfillmentValue = this.value();
- ret.isFulfilled = true;
- } else if (this.isRejected()) {
- ret.rejectionReason = this.reason();
- ret.isRejected = true;
- }
- return ret;
- };
- Promise.prototype.all = function () {
- return new PromiseArray(this).promise();
- };
- Promise.prototype.error = function (fn) {
- return this.caught(util.originatesFromRejection, fn);
- };
- Promise.is = function (val) {
- return val instanceof Promise;
- };
- Promise.fromNode = function(fn) {
- var ret = new Promise(INTERNAL);
- var result = tryCatch(fn)(nodebackForPromise(ret));
- if (result === errorObj) {
- ret._rejectCallback(result.e, true, true);
- }
- return ret;
- };
- Promise.all = function (promises) {
- return new PromiseArray(promises).promise();
- };
- Promise.defer = Promise.pending = function () {
- var promise = new Promise(INTERNAL);
- return new PromiseResolver(promise);
- };
- Promise.cast = function (obj) {
- var ret = tryConvertToPromise(obj);
- if (!(ret instanceof Promise)) {
- var val = ret;
- ret = new Promise(INTERNAL);
- ret._fulfillUnchecked(val);
- }
- return ret;
- };
- Promise.resolve = Promise.fulfilled = Promise.cast;
- Promise.reject = Promise.rejected = function (reason) {
- var ret = new Promise(INTERNAL);
- ret._captureStackTrace();
- ret._rejectCallback(reason, true);
- return ret;
- };
- Promise.setScheduler = function(fn) {
- if (typeof fn !== "function") throw new TypeError("fn must be a function\u000a\u000a See http://goo.gl/916lJJ\u000a");
- var prev = async._schedule;
- async._schedule = fn;
- return prev;
- };
- Promise.prototype._then = function (
- didFulfill,
- didReject,
- didProgress,
- receiver,
- internalData
- ) {
- var haveInternalData = internalData !== undefined;
- var ret = haveInternalData ? internalData : new Promise(INTERNAL);
- if (!haveInternalData) {
- ret._propagateFrom(this, 4 | 1);
- ret._captureStackTrace();
- }
- var target = this._target();
- if (target !== this) {
- if (receiver === undefined) receiver = this._boundTo;
- if (!haveInternalData) ret._setIsMigrated();
- }
- var callbackIndex =
- target._addCallbacks(didFulfill, didReject, didProgress, ret, receiver);
- if (target._isResolved() && !target._isSettlePromisesQueued()) {
- async.invoke(
- target._settlePromiseAtPostResolution, target, callbackIndex);
- }
- return ret;
- };
- Promise.prototype._settlePromiseAtPostResolution = function (index) {
- if (this._isRejectionUnhandled()) this._unsetRejectionIsUnhandled();
- this._settlePromiseAt(index);
- };
- Promise.prototype._length = function () {
- return this._bitField & 131071;
- };
- Promise.prototype._isFollowingOrFulfilledOrRejected = function () {
- return (this._bitField & 939524096) > 0;
- };
- Promise.prototype._isFollowing = function () {
- return (this._bitField & 536870912) === 536870912;
- };
- Promise.prototype._setLength = function (len) {
- this._bitField = (this._bitField & -131072) |
- (len & 131071);
- };
- Promise.prototype._setFulfilled = function () {
- this._bitField = this._bitField | 268435456;
- };
- Promise.prototype._setRejected = function () {
- this._bitField = this._bitField | 134217728;
- };
- Promise.prototype._setFollowing = function () {
- this._bitField = this._bitField | 536870912;
- };
- Promise.prototype._setIsFinal = function () {
- this._bitField = this._bitField | 33554432;
- };
- Promise.prototype._isFinal = function () {
- return (this._bitField & 33554432) > 0;
- };
- Promise.prototype._cancellable = function () {
- return (this._bitField & 67108864) > 0;
- };
- Promise.prototype._setCancellable = function () {
- this._bitField = this._bitField | 67108864;
- };
- Promise.prototype._unsetCancellable = function () {
- this._bitField = this._bitField & (~67108864);
- };
- Promise.prototype._setIsMigrated = function () {
- this._bitField = this._bitField | 4194304;
- };
- Promise.prototype._unsetIsMigrated = function () {
- this._bitField = this._bitField & (~4194304);
- };
- Promise.prototype._isMigrated = function () {
- return (this._bitField & 4194304) > 0;
- };
- Promise.prototype._receiverAt = function (index) {
- var ret = index === 0
- ? this._receiver0
- : this[
- index * 5 - 5 + 4];
- if (ret === undefined && this._isBound()) {
- return this._boundTo;
- }
- return ret;
- };
- Promise.prototype._promiseAt = function (index) {
- return index === 0
- ? this._promise0
- : this[index * 5 - 5 + 3];
- };
- Promise.prototype._fulfillmentHandlerAt = function (index) {
- return index === 0
- ? this._fulfillmentHandler0
- : this[index * 5 - 5 + 0];
- };
- Promise.prototype._rejectionHandlerAt = function (index) {
- return index === 0
- ? this._rejectionHandler0
- : this[index * 5 - 5 + 1];
- };
- Promise.prototype._migrateCallbacks = function (follower, index) {
- var fulfill = follower._fulfillmentHandlerAt(index);
- var reject = follower._rejectionHandlerAt(index);
- var progress = follower._progressHandlerAt(index);
- var promise = follower._promiseAt(index);
- var receiver = follower._receiverAt(index);
- if (promise instanceof Promise) promise._setIsMigrated();
- this._addCallbacks(fulfill, reject, progress, promise, receiver);
- };
- Promise.prototype._addCallbacks = function (
- fulfill,
- reject,
- progress,
- promise,
- receiver
- ) {
- var index = this._length();
- if (index >= 131071 - 5) {
- index = 0;
- this._setLength(0);
- }
- if (index === 0) {
- this._promise0 = promise;
- if (receiver !== undefined) this._receiver0 = receiver;
- if (typeof fulfill === "function" && !this._isCarryingStackTrace())
- this._fulfillmentHandler0 = fulfill;
- if (typeof reject === "function") this._rejectionHandler0 = reject;
- if (typeof progress === "function") this._progressHandler0 = progress;
- } else {
- var base = index * 5 - 5;
- this[base + 3] = promise;
- this[base + 4] = receiver;
- if (typeof fulfill === "function")
- this[base + 0] = fulfill;
- if (typeof reject === "function")
- this[base + 1] = reject;
- if (typeof progress === "function")
- this[base + 2] = progress;
- }
- this._setLength(index + 1);
- return index;
- };
- Promise.prototype._setProxyHandlers = function (receiver, promiseSlotValue) {
- var index = this._length();
- if (index >= 131071 - 5) {
- index = 0;
- this._setLength(0);
- }
- if (index === 0) {
- this._promise0 = promiseSlotValue;
- this._receiver0 = receiver;
- } else {
- var base = index * 5 - 5;
- this[base + 3] = promiseSlotValue;
- this[base + 4] = receiver;
- }
- this._setLength(index + 1);
- };
- Promise.prototype._proxyPromiseArray = function (promiseArray, index) {
- this._setProxyHandlers(promiseArray, index);
- };
- Promise.prototype._resolveCallback = function(value, shouldBind) {
- if (this._isFollowingOrFulfilledOrRejected()) return;
- if (value === this)
- return this._rejectCallback(makeSelfResolutionError(), false, true);
- var maybePromise = tryConvertToPromise(value, this);
- if (!(maybePromise instanceof Promise)) return this._fulfill(value);
- var propagationFlags = 1 | (shouldBind ? 4 : 0);
- this._propagateFrom(maybePromise, propagationFlags);
- var promise = maybePromise._target();
- if (promise._isPending()) {
- var len = this._length();
- for (var i = 0; i < len; ++i) {
- promise._migrateCallbacks(this, i);
- }
- this._setFollowing();
- this._setLength(0);
- this._setFollowee(promise);
- } else if (promise._isFulfilled()) {
- this._fulfillUnchecked(promise._value());
- } else {
- this._rejectUnchecked(promise._reason(),
- promise._getCarriedStackTrace());
- }
- };
- Promise.prototype._rejectCallback =
- function(reason, synchronous, shouldNotMarkOriginatingFromRejection) {
- if (!shouldNotMarkOriginatingFromRejection) {
- util.markAsOriginatingFromRejection(reason);
- }
- var trace = util.ensureErrorObject(reason);
- var hasStack = trace === reason;
- this._attachExtraTrace(trace, synchronous ? hasStack : false);
- this._reject(reason, hasStack ? undefined : trace);
- };
- Promise.prototype._resolveFromResolver = function (resolver) {
- var promise = this;
- this._captureStackTrace();
- this._pushContext();
- var synchronous = true;
- var r = tryCatch(resolver)(function(value) {
- if (promise === null) return;
- promise._resolveCallback(value);
- promise = null;
- }, function (reason) {
- if (promise === null) return;
- promise._rejectCallback(reason, synchronous);
- promise = null;
- });
- synchronous = false;
- this._popContext();
- if (r !== undefined && r === errorObj && promise !== null) {
- promise._rejectCallback(r.e, true, true);
- promise = null;
- }
- };
- Promise.prototype._settlePromiseFromHandler = function (
- handler, receiver, value, promise
- ) {
- if (promise._isRejected()) return;
- promise._pushContext();
- var x;
- if (receiver === APPLY && !this._isRejected()) {
- x = tryCatch(handler).apply(this._boundTo, value);
- } else {
- x = tryCatch(handler).call(receiver, value);
- }
- promise._popContext();
- if (x === errorObj || x === promise || x === NEXT_FILTER) {
- var err = x === promise ? makeSelfResolutionError() : x.e;
- promise._rejectCallback(err, false, true);
- } else {
- promise._resolveCallback(x);
- }
- };
- Promise.prototype._target = function() {
- var ret = this;
- while (ret._isFollowing()) ret = ret._followee();
- return ret;
- };
- Promise.prototype._followee = function() {
- return this._rejectionHandler0;
- };
- Promise.prototype._setFollowee = function(promise) {
- this._rejectionHandler0 = promise;
- };
- Promise.prototype._cleanValues = function () {
- if (this._cancellable()) {
- this._cancellationParent = undefined;
- }
- };
- Promise.prototype._propagateFrom = function (parent, flags) {
- if ((flags & 1) > 0 && parent._cancellable()) {
- this._setCancellable();
- this._cancellationParent = parent;
- }
- if ((flags & 4) > 0 && parent._isBound()) {
- this._setBoundTo(parent._boundTo);
- }
- };
- Promise.prototype._fulfill = function (value) {
- if (this._isFollowingOrFulfilledOrRejected()) return;
- this._fulfillUnchecked(value);
- };
- Promise.prototype._reject = function (reason, carriedStackTrace) {
- if (this._isFollowingOrFulfilledOrRejected()) return;
- this._rejectUnchecked(reason, carriedStackTrace);
- };
- Promise.prototype._settlePromiseAt = function (index) {
- var promise = this._promiseAt(index);
- var isPromise = promise instanceof Promise;
- if (isPromise && promise._isMigrated()) {
- promise._unsetIsMigrated();
- return async.invoke(this._settlePromiseAt, this, index);
- }
- var handler = this._isFulfilled()
- ? this._fulfillmentHandlerAt(index)
- : this._rejectionHandlerAt(index);
- var carriedStackTrace =
- this._isCarryingStackTrace() ? this._getCarriedStackTrace() : undefined;
- var value = this._settledValue;
- var receiver = this._receiverAt(index);
- this._clearCallbackDataAtIndex(index);
- if (typeof handler === "function") {
- if (!isPromise) {
- handler.call(receiver, value, promise);
- } else {
- this._settlePromiseFromHandler(handler, receiver, value, promise);
- }
- } else if (receiver instanceof PromiseArray) {
- if (!receiver._isResolved()) {
- if (this._isFulfilled()) {
- receiver._promiseFulfilled(value, promise);
- }
- else {
- receiver._promiseRejected(value, promise);
- }
- }
- } else if (isPromise) {
- if (this._isFulfilled()) {
- promise._fulfill(value);
- } else {
- promise._reject(value, carriedStackTrace);
- }
- }
- if (index >= 4 && (index & 31) === 4)
- async.invokeLater(this._setLength, this, 0);
- };
- Promise.prototype._clearCallbackDataAtIndex = function(index) {
- if (index === 0) {
- if (!this._isCarryingStackTrace()) {
- this._fulfillmentHandler0 = undefined;
- }
- this._rejectionHandler0 =
- this._progressHandler0 =
- this._receiver0 =
- this._promise0 = undefined;
- } else {
- var base = index * 5 - 5;
- this[base + 3] =
- this[base + 4] =
- this[base + 0] =
- this[base + 1] =
- this[base + 2] = undefined;
- }
- };
- Promise.prototype._isSettlePromisesQueued = function () {
- return (this._bitField &
- -1073741824) === -1073741824;
- };
- Promise.prototype._setSettlePromisesQueued = function () {
- this._bitField = this._bitField | -1073741824;
- };
- Promise.prototype._unsetSettlePromisesQueued = function () {
- this._bitField = this._bitField & (~-1073741824);
- };
- Promise.prototype._queueSettlePromises = function() {
- async.settlePromises(this);
- this._setSettlePromisesQueued();
- };
- Promise.prototype._fulfillUnchecked = function (value) {
- if (value === this) {
- var err = makeSelfResolutionError();
- this._attachExtraTrace(err);
- return this._rejectUnchecked(err, undefined);
- }
- this._setFulfilled();
- this._settledValue = value;
- this._cleanValues();
- if (this._length() > 0) {
- this._queueSettlePromises();
- }
- };
- Promise.prototype._rejectUncheckedCheckError = function (reason) {
- var trace = util.ensureErrorObject(reason);
- this._rejectUnchecked(reason, trace === reason ? undefined : trace);
- };
- Promise.prototype._rejectUnchecked = function (reason, trace) {
- if (reason === this) {
- var err = makeSelfResolutionError();
- this._attachExtraTrace(err);
- return this._rejectUnchecked(err);
- }
- this._setRejected();
- this._settledValue = reason;
- this._cleanValues();
- if (this._isFinal()) {
- async.throwLater(function(e) {
- if ("stack" in e) {
- async.invokeFirst(
- CapturedTrace.unhandledRejection, undefined, e);
- }
- throw e;
- }, trace === undefined ? reason : trace);
- return;
- }
- if (trace !== undefined && trace !== reason) {
- this._setCarriedStackTrace(trace);
- }
- if (this._length() > 0) {
- this._queueSettlePromises();
- } else {
- this._ensurePossibleRejectionHandled();
- }
- };
- Promise.prototype._settlePromises = function () {
- this._unsetSettlePromisesQueued();
- var len = this._length();
- for (var i = 0; i < len; i++) {
- this._settlePromiseAt(i);
- }
- };
- Promise._makeSelfResolutionError = makeSelfResolutionError;
- require("./progress.js")(Promise, PromiseArray);
- require("./method.js")(Promise, INTERNAL, tryConvertToPromise, apiRejection);
- require("./bind.js")(Promise, INTERNAL, tryConvertToPromise);
- require("./finally.js")(Promise, NEXT_FILTER, tryConvertToPromise);
- require("./direct_resolve.js")(Promise);
- require("./synchronous_inspection.js")(Promise);
- require("./join.js")(Promise, PromiseArray, tryConvertToPromise, INTERNAL);
- Promise.Promise = Promise;
- require('./map.js')(Promise, PromiseArray, apiRejection, tryConvertToPromise, INTERNAL);
- require('./cancel.js')(Promise);
- require('./using.js')(Promise, apiRejection, tryConvertToPromise, createContext);
- require('./generators.js')(Promise, apiRejection, INTERNAL, tryConvertToPromise);
- require('./nodeify.js')(Promise);
- require('./call_get.js')(Promise);
- require('./props.js')(Promise, PromiseArray, tryConvertToPromise, apiRejection);
- require('./race.js')(Promise, INTERNAL, tryConvertToPromise, apiRejection);
- require('./reduce.js')(Promise, PromiseArray, apiRejection, tryConvertToPromise, INTERNAL);
- require('./settle.js')(Promise, PromiseArray);
- require('./some.js')(Promise, PromiseArray, apiRejection);
- require('./promisify.js')(Promise, INTERNAL);
- require('./any.js')(Promise);
- require('./each.js')(Promise, INTERNAL);
- require('./timers.js')(Promise, INTERNAL);
- require('./filter.js')(Promise, INTERNAL);
-
- util.toFastProperties(Promise);
- util.toFastProperties(Promise.prototype);
- function fillTypes(value) {
- var p = new Promise(INTERNAL);
- p._fulfillmentHandler0 = value;
- p._rejectionHandler0 = value;
- p._progressHandler0 = value;
- p._promise0 = value;
- p._receiver0 = value;
- p._settledValue = value;
- }
- // Complete slack tracking, opt out of field-type tracking and
- // stabilize map
- fillTypes({a: 1});
- fillTypes({b: 2});
- fillTypes({c: 3});
- fillTypes(1);
- fillTypes(function(){});
- fillTypes(undefined);
- fillTypes(false);
- fillTypes(new Promise(INTERNAL));
- CapturedTrace.setBounds(async.firstLineError, util.lastLineError);
- return Promise;
- };
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