Plato on Github
Report Home
dojo/promise/Promise.js
Maintainability
84.87
Lines of code
133
Difficulty
8.85
Estimated Errors
0.19
Function weight
By Complexity
By SLOC
define([ "../_base/lang" ], function(lang){ "use strict"; // module: // dojo/promise/Promise function throwAbstract(){ throw new TypeError("abstract"); } return lang.extend(function Promise(){ // summary: // The public interface to a deferred. // description: // The public interface to a deferred. All promises in Dojo are // instances of this class. }, { then: function(callback, errback, progback){ // summary: // Add new callbacks to the promise. // description: // Add new callbacks to the deferred. Callbacks can be added // before or after the deferred is fulfilled. // callback: Function? // Callback to be invoked when the promise is resolved. // Receives the resolution value. // errback: Function? // Callback to be invoked when the promise is rejected. // Receives the rejection error. // progback: Function? // Callback to be invoked when the promise emits a progress // update. Receives the progress update. // returns: dojo/promise/Promise // Returns a new promise for the result of the callback(s). // This can be used for chaining many asynchronous operations. throwAbstract(); }, cancel: function(reason, strict){ // summary: // Inform the deferred it may cancel its asynchronous operation. // description: // Inform the deferred it may cancel its asynchronous operation. // The deferred's (optional) canceler is invoked and the // deferred will be left in a rejected state. Can affect other // promises that originate with the same deferred. // reason: any // A message that may be sent to the deferred's canceler, // explaining why it's being canceled. // strict: Boolean? // If strict, will throw an error if the deferred has already // been fulfilled and consequently cannot be canceled. // returns: any // Returns the rejection reason if the deferred was canceled // normally. throwAbstract(); }, isResolved: function(){ // summary: // Checks whether the promise has been resolved. // returns: Boolean throwAbstract(); }, isRejected: function(){ // summary: // Checks whether the promise has been rejected. // returns: Boolean throwAbstract(); }, isFulfilled: function(){ // summary: // Checks whether the promise has been resolved or rejected. // returns: Boolean throwAbstract(); }, isCanceled: function(){ // summary: // Checks whether the promise has been canceled. // returns: Boolean throwAbstract(); }, always: function(callbackOrErrback){ // summary: // Add a callback to be invoked when the promise is resolved // or rejected. // callbackOrErrback: Function? // A function that is used both as a callback and errback. // returns: dojo/promise/Promise // Returns a new promise for the result of the callback/errback. return this.then(callbackOrErrback, callbackOrErrback); }, otherwise: function(errback){ // summary: // Add new errbacks to the promise. // errback: Function? // Callback to be invoked when the promise is rejected. // returns: dojo/promise/Promise // Returns a new promise for the result of the errback. return this.then(null, errback); }, trace: function(){ return this; }, traceRejected: function(){ return this; }, toString: function(){ // returns: string // Returns `[object Promise]`. return "[object Promise]"; } }); });