"use strict"; module.exports = function(Promise, INTERNAL, tryConvertToPromise, debug) { var calledBind = false; 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) { if (((this._bitField & 50397184) === 0)) { this._resolveCallback(context.target); } }; var bindingRejected = function(e, context) { if (!context.promiseRejectionQueued) this._reject(e); }; Promise.prototype.bind = function (thisArg) { if (!calledBind) { calledBind = true; Promise.prototype._propagateFrom = debug.propagateFromFunction(); Promise.prototype._boundValue = debug.boundValueFunction(); } var maybePromise = tryConvertToPromise(thisArg); var ret = new Promise(INTERNAL); ret._propagateFrom(this, 1); var target = this._target(); ret._setBoundTo(maybePromise); if (maybePromise instanceof Promise) { var context = { promiseRejectionQueued: false, promise: ret, target: target, bindingPromise: maybePromise }; target._then(INTERNAL, targetRejected, undefined, ret, context); maybePromise._then( bindingResolved, bindingRejected, undefined, ret, context); ret._setOnCancel(maybePromise); } else { ret._resolveCallback(target); } return ret; }; Promise.prototype._setBoundTo = function (obj) { if (obj !== undefined) { this._bitField = this._bitField | 2097152; this._boundTo = obj; } else { this._bitField = this._bitField & (~2097152); } }; Promise.prototype._isBound = function () { return (this._bitField & 2097152) === 2097152; }; Promise.bind = function (thisArg, value) { return Promise.resolve(value).bind(thisArg); }; };