diff options
Diffstat (limited to 'node_modules/bluebird/js/main/promise_resolver.js')
-rw-r--r-- | node_modules/bluebird/js/main/promise_resolver.js | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/node_modules/bluebird/js/main/promise_resolver.js b/node_modules/bluebird/js/main/promise_resolver.js new file mode 100644 index 000000000..b180a3280 --- /dev/null +++ b/node_modules/bluebird/js/main/promise_resolver.js @@ -0,0 +1,123 @@ +"use strict"; +var util = require("./util.js"); +var maybeWrapAsError = util.maybeWrapAsError; +var errors = require("./errors.js"); +var TimeoutError = errors.TimeoutError; +var OperationalError = errors.OperationalError; +var haveGetters = util.haveGetters; +var es5 = require("./es5.js"); + +function isUntypedError(obj) { + return obj instanceof Error && + es5.getPrototypeOf(obj) === Error.prototype; +} + +var rErrorKey = /^(?:name|message|stack|cause)$/; +function wrapAsOperationalError(obj) { + var ret; + if (isUntypedError(obj)) { + ret = new OperationalError(obj); + ret.name = obj.name; + ret.message = obj.message; + ret.stack = obj.stack; + var keys = es5.keys(obj); + for (var i = 0; i < keys.length; ++i) { + var key = keys[i]; + if (!rErrorKey.test(key)) { + ret[key] = obj[key]; + } + } + return ret; + } + util.markAsOriginatingFromRejection(obj); + return obj; +} + +function nodebackForPromise(promise) { + return function(err, value) { + if (promise === null) return; + + if (err) { + var wrapped = wrapAsOperationalError(maybeWrapAsError(err)); + promise._attachExtraTrace(wrapped); + promise._reject(wrapped); + } else if (arguments.length > 2) { + var $_len = arguments.length;var args = new Array($_len - 1); for(var $_i = 1; $_i < $_len; ++$_i) {args[$_i - 1] = arguments[$_i];} + promise._fulfill(args); + } else { + promise._fulfill(value); + } + + promise = null; + }; +} + + +var PromiseResolver; +if (!haveGetters) { + PromiseResolver = function (promise) { + this.promise = promise; + this.asCallback = nodebackForPromise(promise); + this.callback = this.asCallback; + }; +} +else { + PromiseResolver = function (promise) { + this.promise = promise; + }; +} +if (haveGetters) { + var prop = { + get: function() { + return nodebackForPromise(this.promise); + } + }; + es5.defineProperty(PromiseResolver.prototype, "asCallback", prop); + es5.defineProperty(PromiseResolver.prototype, "callback", prop); +} + +PromiseResolver._nodebackForPromise = nodebackForPromise; + +PromiseResolver.prototype.toString = function () { + return "[object PromiseResolver]"; +}; + +PromiseResolver.prototype.resolve = +PromiseResolver.prototype.fulfill = function (value) { + if (!(this instanceof PromiseResolver)) { + throw new TypeError("Illegal invocation, resolver resolve/reject must be called within a resolver context. Consider using the promise constructor instead.\u000a\u000a See http://goo.gl/sdkXL9\u000a"); + } + this.promise._resolveCallback(value); +}; + +PromiseResolver.prototype.reject = function (reason) { + if (!(this instanceof PromiseResolver)) { + throw new TypeError("Illegal invocation, resolver resolve/reject must be called within a resolver context. Consider using the promise constructor instead.\u000a\u000a See http://goo.gl/sdkXL9\u000a"); + } + this.promise._rejectCallback(reason); +}; + +PromiseResolver.prototype.progress = function (value) { + if (!(this instanceof PromiseResolver)) { + throw new TypeError("Illegal invocation, resolver resolve/reject must be called within a resolver context. Consider using the promise constructor instead.\u000a\u000a See http://goo.gl/sdkXL9\u000a"); + } + this.promise._progress(value); +}; + +PromiseResolver.prototype.cancel = function (err) { + this.promise.cancel(err); +}; + +PromiseResolver.prototype.timeout = function () { + this.reject(new TimeoutError("timeout")); +}; + +PromiseResolver.prototype.isResolved = function () { + return this.promise.isResolved(); +}; + +PromiseResolver.prototype.toJSON = function () { + return this.promise.toJSON(); +}; + +module.exports = PromiseResolver; |