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Diffstat (limited to 'node_modules/bluebird/js/main/bind.js')
-rw-r--r--node_modules/bluebird/js/main/bind.js73
1 files changed, 73 insertions, 0 deletions
diff --git a/node_modules/bluebird/js/main/bind.js b/node_modules/bluebird/js/main/bind.js
new file mode 100644
index 000000000..d6f6da257
--- /dev/null
+++ b/node_modules/bluebird/js/main/bind.js
@@ -0,0 +1,73 @@
+"use strict";
+module.exports = function(Promise, INTERNAL, tryConvertToPromise) {
+var rejectThis = function(_, e) {
+ this._reject(e);
+};
+
+var targetRejected = function(e, context) {
+ context.promiseRejectionQueued = true;
+ context.bindingPromise._then(rejectThis, rejectThis, null, this, e);
+};
+
+var bindingResolved = function(thisArg, context) {
+ this._setBoundTo(thisArg);
+ if (this._isPending()) {
+ this._resolveCallback(context.target);
+ }
+};
+
+var bindingRejected = function(e, context) {
+ if (!context.promiseRejectionQueued) this._reject(e);
+};
+
+Promise.prototype.bind = function (thisArg) {
+ var maybePromise = tryConvertToPromise(thisArg);
+ var ret = new Promise(INTERNAL);
+ ret._propagateFrom(this, 1);
+ var target = this._target();
+ if (maybePromise instanceof Promise) {
+ var context = {
+ promiseRejectionQueued: false,
+ promise: ret,
+ target: target,
+ bindingPromise: maybePromise
+ };
+ target._then(INTERNAL, targetRejected, ret._progress, ret, context);
+ maybePromise._then(
+ bindingResolved, bindingRejected, ret._progress, ret, context);
+ } else {
+ ret._setBoundTo(thisArg);
+ ret._resolveCallback(target);
+ }
+ return ret;
+};
+
+Promise.prototype._setBoundTo = function (obj) {
+ if (obj !== undefined) {
+ this._bitField = this._bitField | 131072;
+ this._boundTo = obj;
+ } else {
+ this._bitField = this._bitField & (~131072);
+ }
+};
+
+Promise.prototype._isBound = function () {
+ return (this._bitField & 131072) === 131072;
+};
+
+Promise.bind = function (thisArg, value) {
+ var maybePromise = tryConvertToPromise(thisArg);
+ var ret = new Promise(INTERNAL);
+
+ if (maybePromise instanceof Promise) {
+ maybePromise._then(function(thisArg) {
+ ret._setBoundTo(thisArg);
+ ret._resolveCallback(value);
+ }, ret._reject, ret._progress, ret, null);
+ } else {
+ ret._setBoundTo(thisArg);
+ ret._resolveCallback(value);
+ }
+ return ret;
+};
+};