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53 lines
2.0 KiB
Markdown
53 lines
2.0 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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## 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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```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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// Alternatively in browser:
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asyncEach(list, fn, callback);
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```
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## License
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The MIT License (MIT)
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Copyright (c) 2016 Paul Miller [(paulmillr.com)](http://paulmillr.com)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the “Software”), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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