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Diffstat (limited to 'node_modules/bluebird/js/main/async.js')
-rw-r--r--node_modules/bluebird/js/main/async.js209
1 files changed, 209 insertions, 0 deletions
diff --git a/node_modules/bluebird/js/main/async.js b/node_modules/bluebird/js/main/async.js
new file mode 100644
index 000000000..917e321ff
--- /dev/null
+++ b/node_modules/bluebird/js/main/async.js
@@ -0,0 +1,209 @@
+"use strict";
+var firstLineError;
+try {throw new Error(); } catch (e) {firstLineError = e;}
+var schedule = require("./schedule.js");
+var Queue = require("./queue.js");
+var util = require("./util.js");
+
+function Async() {
+ this._isTickUsed = false;
+ this._lateQueue = new Queue(16);
+ this._normalQueue = new Queue(16);
+ this._trampolineEnabled = true;
+ var self = this;
+ this.drainQueues = function () {
+ self._drainQueues();
+ };
+ this._schedule =
+ schedule.isStatic ? schedule(this.drainQueues) : schedule;
+}
+
+Async.prototype.disableTrampolineIfNecessary = function() {
+ if (util.hasDevTools) {
+ this._trampolineEnabled = false;
+ }
+};
+
+Async.prototype.enableTrampoline = function() {
+ if (!this._trampolineEnabled) {
+ this._trampolineEnabled = true;
+ this._schedule = function(fn) {
+ setTimeout(fn, 0);
+ };
+ }
+};
+
+Async.prototype.haveItemsQueued = function () {
+ return this._normalQueue.length() > 0;
+};
+
+Async.prototype.throwLater = function(fn, arg) {
+ if (arguments.length === 1) {
+ arg = fn;
+ fn = function () { throw arg; };
+ }
+ var domain = this._getDomain();
+ if (domain !== undefined) fn = domain.bind(fn);
+ if (typeof setTimeout !== "undefined") {
+ setTimeout(function() {
+ fn(arg);
+ }, 0);
+ } else try {
+ this._schedule(function() {
+ fn(arg);
+ });
+ } catch (e) {
+ throw new Error("No async scheduler available\u000a\u000a See http://goo.gl/m3OTXk\u000a");
+ }
+};
+
+Async.prototype._getDomain = function() {};
+
+if (!false) {
+if (util.isNode) {
+ var EventsModule = require("events");
+
+ var domainGetter = function() {
+ var domain = process.domain;
+ if (domain === null) return undefined;
+ return domain;
+ };
+
+ if (EventsModule.usingDomains) {
+ Async.prototype._getDomain = domainGetter;
+ } else {
+ var descriptor =
+ Object.getOwnPropertyDescriptor(EventsModule, "usingDomains");
+
+ if (descriptor) {
+ if (!descriptor.configurable) {
+ process.on("domainsActivated", function() {
+ Async.prototype._getDomain = domainGetter;
+ });
+ } else {
+ var usingDomains = false;
+ Object.defineProperty(EventsModule, "usingDomains", {
+ configurable: false,
+ enumerable: true,
+ get: function() {
+ return usingDomains;
+ },
+ set: function(value) {
+ if (usingDomains || !value) return;
+ usingDomains = true;
+ Async.prototype._getDomain = domainGetter;
+ util.toFastProperties(process);
+ process.emit("domainsActivated");
+ }
+ });
+ }
+ }
+ }
+}
+}
+
+function AsyncInvokeLater(fn, receiver, arg) {
+ var domain = this._getDomain();
+ if (domain !== undefined) fn = domain.bind(fn);
+ this._lateQueue.push(fn, receiver, arg);
+ this._queueTick();
+}
+
+function AsyncInvoke(fn, receiver, arg) {
+ var domain = this._getDomain();
+ if (domain !== undefined) fn = domain.bind(fn);
+ this._normalQueue.push(fn, receiver, arg);
+ this._queueTick();
+}
+
+function AsyncSettlePromises(promise) {
+ var domain = this._getDomain();
+ if (domain !== undefined) {
+ var fn = domain.bind(promise._settlePromises);
+ this._normalQueue.push(fn, promise, undefined);
+ } else {
+ this._normalQueue._pushOne(promise);
+ }
+ this._queueTick();
+}
+
+if (!util.hasDevTools) {
+ Async.prototype.invokeLater = AsyncInvokeLater;
+ Async.prototype.invoke = AsyncInvoke;
+ Async.prototype.settlePromises = AsyncSettlePromises;
+} else {
+ if (schedule.isStatic) {
+ schedule = function(fn) { setTimeout(fn, 0); };
+ }
+ Async.prototype.invokeLater = function (fn, receiver, arg) {
+ if (this._trampolineEnabled) {
+ AsyncInvokeLater.call(this, fn, receiver, arg);
+ } else {
+ this._schedule(function() {
+ setTimeout(function() {
+ fn.call(receiver, arg);
+ }, 100);
+ });
+ }
+ };
+
+ Async.prototype.invoke = function (fn, receiver, arg) {
+ if (this._trampolineEnabled) {
+ AsyncInvoke.call(this, fn, receiver, arg);
+ } else {
+ this._schedule(function() {
+ fn.call(receiver, arg);
+ });
+ }
+ };
+
+ Async.prototype.settlePromises = function(promise) {
+ if (this._trampolineEnabled) {
+ AsyncSettlePromises.call(this, promise);
+ } else {
+ this._schedule(function() {
+ promise._settlePromises();
+ });
+ }
+ };
+}
+
+Async.prototype.invokeFirst = function (fn, receiver, arg) {
+ var domain = this._getDomain();
+ if (domain !== undefined) fn = domain.bind(fn);
+ this._normalQueue.unshift(fn, receiver, arg);
+ this._queueTick();
+};
+
+Async.prototype._drainQueue = function(queue) {
+ while (queue.length() > 0) {
+ var fn = queue.shift();
+ if (typeof fn !== "function") {
+ fn._settlePromises();
+ continue;
+ }
+ var receiver = queue.shift();
+ var arg = queue.shift();
+ fn.call(receiver, arg);
+ }
+};
+
+Async.prototype._drainQueues = function () {
+ this._drainQueue(this._normalQueue);
+ this._reset();
+ this._drainQueue(this._lateQueue);
+};
+
+Async.prototype._queueTick = function () {
+ if (!this._isTickUsed) {
+ this._isTickUsed = true;
+ this._schedule(this.drainQueues);
+ }
+};
+
+Async.prototype._reset = function () {
+ this._isTickUsed = false;
+};
+
+module.exports = new Async();
+module.exports.firstLineError = firstLineError;