Added support for ES2017 async functions. Wherever you can pass a Node-style/CPS function that uses a callback, you can also pass an async function. Previously, you had to wrap async functions with asyncify. The caveat is that it will only work if async functions are supported natively in your environment, transpiled implementations can't be detected. (#1386, #1390)
v2.2.0
Added groupBy, and the Series/Limit equivalents, analogous to _.groupBy (#1364)
Fixed transform bug when callback was not passed (#1381)
v2.1.5
Fix auto bug when function names collided with Array.prototype (#1358)
Fixed an issue in some, every and find where processing would continue after the result was determined.
Cleanup implementations of some, every and find
v2.1.3
Make bundle size smaller
Create optimized hotpath for filter in array case.
v2.1.2
Fixed a stackoverflow bug with detect, some, every on large inputs (#1293).
v2.1.0
retry and retryable now support an optional errorFilter function that determines if the task should retry on the error (#1256, #1261)
Optimized array iteration in race, cargo, queue, and priorityQueue (#1253)
v2.0.0
Lots of changes here!
First and foremost, we have a slick new site for docs. Special thanks to @hargasinski for his work converting our old docs to jsdoc format and implementing the new website. Also huge ups to @ivanseidel for designing our new logo. It was a long process for both of these tasks, but I think these changes turned out extraordinary well.
The biggest feature is modularization. You can now require("async/series") to only require the series function. Every Async library function is available this way. You still can require("async") to require the entire library, like you could do before.
We also provide Async as a collection of ES2015 modules. You can now import {each} from 'async-es' or import waterfall from 'async-es/waterfall'. If you are using only a few Async functions, and are using a ES bundler such as Rollup, this can significantly lower your build size.
Another one of the general themes of the 2.0 release is standardization of what an "async" function is. We are now more strictly following the node-style continuation passing style. That is, an async function is a function that:
Takes a variable number of arguments
The last argument is always a callback
The callback can accept any number of arguments
The first argument passed to the callback will be treated as an error result, if the argument is truthy
Any number of result arguments can be passed after the "error" argument
The callback is called once and exactly once, either on the same tick or later tick of the JavaScript event loop.
There were several cases where Async accepted some functions that did not strictly have these properties, most notably auto, every, some, and filter.
Another theme is performance. We have eliminated internal deferrals in all cases where they make sense. For example, in waterfall and auto, there was a setImmediate between each task -- these deferrals have been removed. A setImmediate call can add up to 1ms of delay. This might not seem like a lot, but it can add up if you are using many Async functions in the course of processing a HTTP request, for example. Nearly all asynchronous functions that do I/O already have some sort of deferral built in, so the extra deferral is unnecessary. The trade-off of this change is removing our built-in stack-overflow defense. Many synchronous callback calls in series can quickly overflow the JS call stack. If you do have a function that is sometimes synchronous (calling its callback on the same tick), and are running into stack overflows, wrap it with async.ensureAsync().
Allow redefining name property on wrapped functions.
v3.1.0
Added q.pushAsync and q.unshiftAsync, analagous to q.push and q.unshift, except they always do not accept a callback, and reject if processing the task errors. (#1659)
Promises returned from q.push and q.unshift when a callback is not passed now resolve even if an error ocurred. (#1659)
Fixed a parsing bug in autoInject with complicated function bodies (#1663)
Added ES6+ configuration for Browserify bundlers (#1653)
There are a lot of new features and subtle breaking changes in this major version, but the biggest feature is that most Async methods return a Promise if you omit the callback, meaning you can await them from within an async function.
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Bumps async from 1.5.2 to 3.2.3.
Release notes
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Changelog
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Commits
62943ca
Version 3.2.3d2c9d51
Update built filesde8d4c4
Update changelog for v3.2.3b015d34
fix: address edge case in comment stripping (#1780)e27aaab
chore: remove unused Travis CI config (#1781)a038c8f
ci: setup GitHub Actions (#1782)e74bd18
Core: const, let, arrow-fn and unused variables (#1776)2ee673f
Housekeeping (#1772)cdfb491
Fix an inefficient regex in autoInject (#1767)bb41f2a
be explicit (#1769)Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
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