39 lines
1.1 KiB
Markdown
39 lines
1.1 KiB
Markdown
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# async-each
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No-bullshit, ultra-simple, 35-lines-of-code async parallel forEach function for JavaScript.
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We don't need junky 30K async libs. Really.
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For browsers and node.js.
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## Installation
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* Just include async-each before your scripts.
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* `npm install async-each` if you’re using node.js.
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* `bower install async-each` if you’re using [Bower](http://bower.io).
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## Usage
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* `each(array, iterator, callback);` — `Array`, `Function`, `(optional) Function`
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* `iterator(item, next)` receives current item and a callback that will mark the item as done. `next` callback receives optional `error, transformedItem` arguments.
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* `callback(error, transformedArray)` optionally receives first error and transformed result `Array`.
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Node.js:
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```javascript
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var each = require('async-each');
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each(['a.js', 'b.js', 'c.js'], fs.readFile, function(error, contents) {
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if (error) console.error(error);
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console.log('Contents for a, b and c:', contents);
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});
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```
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Browser:
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```javascript
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window.asyncEach(list, fn, callback);
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```
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## License
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[The MIT License](https://raw.githubusercontent.com/paulmillr/mit/master/README.md)
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