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Diffstat (limited to 'node_modules/bluebird/js/main/using.js')
| -rw-r--r-- | node_modules/bluebird/js/main/using.js | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/node_modules/bluebird/js/main/using.js b/node_modules/bluebird/js/main/using.js deleted file mode 100644 index 957182d09..000000000 --- a/node_modules/bluebird/js/main/using.js +++ /dev/null @@ -1,213 +0,0 @@ -"use strict"; -module.exports = function (Promise, apiRejection, tryConvertToPromise, - createContext) { - var TypeError = require("./errors.js").TypeError; - var inherits = require("./util.js").inherits; - var PromiseInspection = Promise.PromiseInspection; - - function inspectionMapper(inspections) { - var len = inspections.length; - for (var i = 0; i < len; ++i) { - var inspection = inspections[i]; - if (inspection.isRejected()) { - return Promise.reject(inspection.error()); - } - inspections[i] = inspection._settledValue; - } - return inspections; - } - - function thrower(e) { - setTimeout(function(){throw e;}, 0); - } - - function castPreservingDisposable(thenable) { - var maybePromise = tryConvertToPromise(thenable); - if (maybePromise !== thenable && - typeof thenable._isDisposable === "function" && - typeof thenable._getDisposer === "function" && - thenable._isDisposable()) { - maybePromise._setDisposable(thenable._getDisposer()); - } - return maybePromise; - } - function dispose(resources, inspection) { - var i = 0; - var len = resources.length; - var ret = Promise.defer(); - function iterator() { - if (i >= len) return ret.resolve(); - var maybePromise = castPreservingDisposable(resources[i++]); - if (maybePromise instanceof Promise && - maybePromise._isDisposable()) { - try { - maybePromise = tryConvertToPromise( - maybePromise._getDisposer().tryDispose(inspection), - resources.promise); - } catch (e) { - return thrower(e); - } - if (maybePromise instanceof Promise) { - return maybePromise._then(iterator, thrower, - null, null, null); - } - } - iterator(); - } - iterator(); - return ret.promise; - } - - function disposerSuccess(value) { - var inspection = new PromiseInspection(); - inspection._settledValue = value; - inspection._bitField = 268435456; - return dispose(this, inspection).thenReturn(value); - } - - function disposerFail(reason) { - var inspection = new PromiseInspection(); - inspection._settledValue = reason; - inspection._bitField = 134217728; - return dispose(this, inspection).thenThrow(reason); - } - - function Disposer(data, promise, context) { - this._data = data; - this._promise = promise; - this._context = context; - } - - Disposer.prototype.data = function () { - return this._data; - }; - - Disposer.prototype.promise = function () { - return this._promise; - }; - - Disposer.prototype.resource = function () { - if (this.promise().isFulfilled()) { - return this.promise().value(); - } - return null; - }; - - Disposer.prototype.tryDispose = function(inspection) { - var resource = this.resource(); - var context = this._context; - if (context !== undefined) context._pushContext(); - var ret = resource !== null - ? this.doDispose(resource, inspection) : null; - if (context !== undefined) context._popContext(); - this._promise._unsetDisposable(); - this._data = null; - return ret; - }; - - Disposer.isDisposer = function (d) { - return (d != null && - typeof d.resource === "function" && - typeof d.tryDispose === "function"); - }; - - function FunctionDisposer(fn, promise, context) { - this.constructor$(fn, promise, context); - } - inherits(FunctionDisposer, Disposer); - - FunctionDisposer.prototype.doDispose = function (resource, inspection) { - var fn = this.data(); - return fn.call(resource, resource, inspection); - }; - - function maybeUnwrapDisposer(value) { - if (Disposer.isDisposer(value)) { - this.resources[this.index]._setDisposable(value); - return value.promise(); - } - return value; - } - - Promise.using = function () { - var len = arguments.length; - if (len < 2) return apiRejection( - "you must pass at least 2 arguments to Promise.using"); - var fn = arguments[len - 1]; - if (typeof fn !== "function") return apiRejection("fn must be a function\u000a\u000a See http://goo.gl/916lJJ\u000a"); - - var input; - var spreadArgs = true; - if (len === 2 && Array.isArray(arguments[0])) { - input = arguments[0]; - len = input.length; - spreadArgs = false; - } else { - input = arguments; - len--; - } - var resources = new Array(len); - for (var i = 0; i < len; ++i) { - var resource = input[i]; - if (Disposer.isDisposer(resource)) { - var disposer = resource; - resource = resource.promise(); - resource._setDisposable(disposer); - } else { - var maybePromise = tryConvertToPromise(resource); - if (maybePromise instanceof Promise) { - resource = - maybePromise._then(maybeUnwrapDisposer, null, null, { - resources: resources, - index: i - }, undefined); - } - } - resources[i] = resource; - } - - var promise = Promise.settle(resources) - .then(inspectionMapper) - .then(function(vals) { - promise._pushContext(); - var ret; - try { - ret = spreadArgs - ? fn.apply(undefined, vals) : fn.call(undefined, vals); - } finally { - promise._popContext(); - } - return ret; - }) - ._then( - disposerSuccess, disposerFail, undefined, resources, undefined); - resources.promise = promise; - return promise; - }; - - Promise.prototype._setDisposable = function (disposer) { - this._bitField = this._bitField | 262144; - this._disposer = disposer; - }; - - Promise.prototype._isDisposable = function () { - return (this._bitField & 262144) > 0; - }; - - Promise.prototype._getDisposer = function () { - return this._disposer; - }; - - Promise.prototype._unsetDisposable = function () { - this._bitField = this._bitField & (~262144); - this._disposer = undefined; - }; - - Promise.prototype.disposer = function (fn) { - if (typeof fn === "function") { - return new FunctionDisposer(fn, this, createContext()); - } - throw new TypeError(); - }; - -}; |