Galerie und tage

node_modules/each-async/readme.md

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+# each-async [![Build Status](https://travis-ci.org/sindresorhus/each-async.svg?branch=master)](https://travis-ci.org/sindresorhus/each-async)
+
+> Async concurrent iterator (async forEach)
+
+Like [async.each()](https://github.com/caolan/async#eacharr-iterator-callback), but tiny.
+
+I often use `async.each()` for doing async operations when iterating, but I almost never use the other gadzillion methods in `async`.
+
+Async iteration is one of the most used async control flow patterns.
+
+
+## Install
+
+```sh
+$ npm install --save each-async
+```
+
+
+## Usage
+
+```js
+var eachAsync = require('each-async');
+
+eachAsync(['foo','bar','baz'], function (item, index, done) {
+	console.log(item, index);
+	done();
+}, function (error) {
+	console.log('finished');
+});
+//=> foo 0
+//=> bar 1
+//=> baz 2
+//=> finished
+```
+
+
+## API
+
+### eachAsync(array, callback, finishedCallback)
+
+#### array
+
+The array you want to iterate.
+
+#### callback(item, index, done)
+
+A function which is called for each item in the array with the following arguments:
+
+- `item`: the current item in the array
+- `index`: the current index
+- `done([error])`: call this when you're done with an optional error. Supplying anything other than `undefined`/`null` will stop the iteration.
+
+Note that order is not guaranteed since each item is handled concurrently.
+
+#### finishedCallback(error)
+
+A function which is called when the iteration is finished or on the first error. First argument is the error passed from `done()` in the `callback`.
+
+
+## License
+
+MIT © [Sindre Sorhus](http://sindresorhus.com)