6/9/2015 · Deferred objects are being pushed onto promises asynchronously, so Q.all() will be executed before the promise from doSomething() is resolved. Share Follow, Q.all(files.map(function(file)JSDoc Returns a promise that is fulfilled with an array containing the fulfillment value of each promise, or is rejected with the same rejection reason as the first promise to.
Adapting Node . If you’re working with functions that make use of the Node .js callback pattern, where callbacks are in the form of function(err, result), Q provides a few useful utility functions for converting between them.The most straightforward are probably Q.nfcall and Q.nfapply ( Node function call/apply) for calling Node .js-style functions and getting back a promise:, promises = [saveDisk(), saveCloud()] # When all succeeds, or *at least one* error Q.all(promises).done -> alert Saved # Same, but get the values Q.all(promises).spread (a, b) -> alert Result A: + a alert.
7/4/2013 · The most straightforward are probably Q.nfcall and Q.nfapply (Node function call/apply) for calling Node.js-style functions and getting back a promise: return Q . nfcall ( FS . readFile , foo.txt , utf-8 ) return Q . nfapply ( FS . readFile , [ foo.txt , utf-8 ] ) , Best JavaScript code snippets using q.allSettled (Showing top 7 results out of 315) origin: yingye / qcloud-upload. // get files ndir.walk (srcPath, function onDir (dirpath, files) { for ( var i = 0, l = files.length i < l i++) { var info = files [i] if (info [ 1 ].isFile ()) { if (config.src) { upload (info [.Most used q functions. Deferred.resolve. Calling resolve with a pending promise causes promise to wait on the passed promise, becoming fulfil. then. Deferred.reject. Calling reject with a reason causes promise to be rejected with that reason. Deferred.promise. defer. Returns a deferred object with a:, 8/14/2013 · The static ( Q.all ) method looks like this: var groupPromise = Q . all ([ doThis (), doThat () ]) groupPromise . then ( function ( results ) { }, console . error ) all maintains the ordering of the results array, so the result of doThis() would be index `` and so on.Best JavaScript code snippets using q.spread (Showing top 5 results out of 315) origin: avwo / whistle. function parseRuleJson (rules, callback) { if (!Array.isArray (rules)) { rules = [rules] } Q.all (rules.map ( function (rule) { var defer = Q.defer () readRuleList (rule, function (data) { defer.resolve (data) }, true ) return defer.promise
