* first action! (#1)

node_modules/bluebird/js/release/generators.js

@@ -0,0 +1,223 @@
+"use strict";
+module.exports = function(Promise,
+                          apiRejection,
+                          INTERNAL,
+                          tryConvertToPromise,
+                          Proxyable,
+                          debug) {
+var errors = require("./errors");
+var TypeError = errors.TypeError;
+var util = require("./util");
+var errorObj = util.errorObj;
+var tryCatch = util.tryCatch;
+var yieldHandlers = [];
+
+function promiseFromYieldHandler(value, yieldHandlers, traceParent) {
+    for (var i = 0; i < yieldHandlers.length; ++i) {
+        traceParent._pushContext();
+        var result = tryCatch(yieldHandlers[i])(value);
+        traceParent._popContext();
+        if (result === errorObj) {
+            traceParent._pushContext();
+            var ret = Promise.reject(errorObj.e);
+            traceParent._popContext();
+            return ret;
+        }
+        var maybePromise = tryConvertToPromise(result, traceParent);
+        if (maybePromise instanceof Promise) return maybePromise;
+    }
+    return null;
+}
+
+function PromiseSpawn(generatorFunction, receiver, yieldHandler, stack) {
+    if (debug.cancellation()) {
+        var internal = new Promise(INTERNAL);
+        var _finallyPromise = this._finallyPromise = new Promise(INTERNAL);
+        this._promise = internal.lastly(function() {
+            return _finallyPromise;
+        });
+        internal._captureStackTrace();
+        internal._setOnCancel(this);
+    } else {
+        var promise = this._promise = new Promise(INTERNAL);
+        promise._captureStackTrace();
+    }
+    this._stack = stack;
+    this._generatorFunction = generatorFunction;
+    this._receiver = receiver;
+    this._generator = undefined;
+    this._yieldHandlers = typeof yieldHandler === "function"
+        ? [yieldHandler].concat(yieldHandlers)
+        : yieldHandlers;
+    this._yieldedPromise = null;
+    this._cancellationPhase = false;
+}
+util.inherits(PromiseSpawn, Proxyable);
+
+PromiseSpawn.prototype._isResolved = function() {
+    return this._promise === null;
+};
+
+PromiseSpawn.prototype._cleanup = function() {
+    this._promise = this._generator = null;
+    if (debug.cancellation() && this._finallyPromise !== null) {
+        this._finallyPromise._fulfill();
+        this._finallyPromise = null;
+    }
+};
+
+PromiseSpawn.prototype._promiseCancelled = function() {
+    if (this._isResolved()) return;
+    var implementsReturn = typeof this._generator["return"] !== "undefined";
+
+    var result;
+    if (!implementsReturn) {
+        var reason = new Promise.CancellationError(
+            "generator .return() sentinel");
+        Promise.coroutine.returnSentinel = reason;
+        this._promise._attachExtraTrace(reason);
+        this._promise._pushContext();
+        result = tryCatch(this._generator["throw"]).call(this._generator,
+                                                         reason);
+        this._promise._popContext();
+    } else {
+        this._promise._pushContext();
+        result = tryCatch(this._generator["return"]).call(this._generator,
+                                                          undefined);
+        this._promise._popContext();
+    }
+    this._cancellationPhase = true;
+    this._yieldedPromise = null;
+    this._continue(result);
+};
+
+PromiseSpawn.prototype._promiseFulfilled = function(value) {
+    this._yieldedPromise = null;
+    this._promise._pushContext();
+    var result = tryCatch(this._generator.next).call(this._generator, value);
+    this._promise._popContext();
+    this._continue(result);
+};
+
+PromiseSpawn.prototype._promiseRejected = function(reason) {
+    this._yieldedPromise = null;
+    this._promise._attachExtraTrace(reason);
+    this._promise._pushContext();
+    var result = tryCatch(this._generator["throw"])
+        .call(this._generator, reason);
+    this._promise._popContext();
+    this._continue(result);
+};
+
+PromiseSpawn.prototype._resultCancelled = function() {
+    if (this._yieldedPromise instanceof Promise) {
+        var promise = this._yieldedPromise;
+        this._yieldedPromise = null;
+        promise.cancel();
+    }
+};
+
+PromiseSpawn.prototype.promise = function () {
+    return this._promise;
+};
+
+PromiseSpawn.prototype._run = function () {
+    this._generator = this._generatorFunction.call(this._receiver);
+    this._receiver =
+        this._generatorFunction = undefined;
+    this._promiseFulfilled(undefined);
+};
+
+PromiseSpawn.prototype._continue = function (result) {
+    var promise = this._promise;
+    if (result === errorObj) {
+        this._cleanup();
+        if (this._cancellationPhase) {
+            return promise.cancel();
+        } else {
+            return promise._rejectCallback(result.e, false);
+        }
+    }
+
+    var value = result.value;
+    if (result.done === true) {
+        this._cleanup();
+        if (this._cancellationPhase) {
+            return promise.cancel();
+        } else {
+            return promise._resolveCallback(value);
+        }
+    } else {
+        var maybePromise = tryConvertToPromise(value, this._promise);
+        if (!(maybePromise instanceof Promise)) {
+            maybePromise =
+                promiseFromYieldHandler(maybePromise,
+                                        this._yieldHandlers,
+                                        this._promise);
+            if (maybePromise === null) {
+                this._promiseRejected(
+                    new TypeError(
+                        "A value %s was yielded that could not be treated as a promise\u000a\u000a    See http://goo.gl/MqrFmX\u000a\u000a".replace("%s", String(value)) +
+                        "From coroutine:\u000a" +
+                        this._stack.split("\n").slice(1, -7).join("\n")
+                    )
+                );
+                return;
+            }
+        }
+        maybePromise = maybePromise._target();
+        var bitField = maybePromise._bitField;
+        ;
+        if (((bitField & 50397184) === 0)) {
+            this._yieldedPromise = maybePromise;
+            maybePromise._proxy(this, null);
+        } else if (((bitField & 33554432) !== 0)) {
+            Promise._async.invoke(
+                this._promiseFulfilled, this, maybePromise._value()
+            );
+        } else if (((bitField & 16777216) !== 0)) {
+            Promise._async.invoke(
+                this._promiseRejected, this, maybePromise._reason()
+            );
+        } else {
+            this._promiseCancelled();
+        }
+    }
+};
+
+Promise.coroutine = function (generatorFunction, options) {
+    if (typeof generatorFunction !== "function") {
+        throw new TypeError("generatorFunction must be a function\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    var yieldHandler = Object(options).yieldHandler;
+    var PromiseSpawn$ = PromiseSpawn;
+    var stack = new Error().stack;
+    return function () {
+        var generator = generatorFunction.apply(this, arguments);
+        var spawn = new PromiseSpawn$(undefined, undefined, yieldHandler,
+                                      stack);
+        var ret = spawn.promise();
+        spawn._generator = generator;
+        spawn._promiseFulfilled(undefined);
+        return ret;
+    };
+};
+
+Promise.coroutine.addYieldHandler = function(fn) {
+    if (typeof fn !== "function") {
+        throw new TypeError("expecting a function but got " + util.classString(fn));
+    }
+    yieldHandlers.push(fn);
+};
+
+Promise.spawn = function (generatorFunction) {
+    debug.deprecated("Promise.spawn()", "Promise.coroutine()");
+    if (typeof generatorFunction !== "function") {
+        return apiRejection("generatorFunction must be a function\u000a\u000a    See http://goo.gl/MqrFmX\u000a");
+    }
+    var spawn = new PromiseSpawn(generatorFunction, this);
+    var ret = spawn.promise();
+    spawn._run(Promise.spawn);
+    return ret;
+};
+};