98 lines
3.2 KiB
Markdown
98 lines
3.2 KiB
Markdown
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# node-fileset [](http://travis-ci.org/mklabs/node-fileset)
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Exposes a basic wrapper on top of
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[Glob](https://github.com/isaacs/node-glob) /
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[minimatch](https://github.com/isaacs/minimatch) combo both written by
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@isaacs. Glob now uses JavaScript instead of C++ bindings which makes it
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usable in Node.js 0.6.x and Windows platforms.
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[](https://nodei.co/npm/fileset/)
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Adds multiples patterns matching and exlude ability. This is
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basically just a sugar API syntax where you can specify a list of includes
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and optional exclude patterns. It works by setting up the necessary
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miniglob "fileset" and filtering out the results using minimatch.
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*[Changelog](https://github.com/mklabs/node-fileset/blob/master/CHANGELOG.md#changelog)*
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## Install
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npm install fileset
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## Usage
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Can be used with callback or emitter style.
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* **include**: list of glob patterns `foo/**/*.js *.md src/lib/**/*`
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* **exclude**: *optional* list of glob patterns to filter include
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results `foo/**/*.js *.md`
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* **callback**: *optional* function that gets called with an error if
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something wrong happend, otherwise null with an array of results
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The callback is optional since the fileset method return an instance of
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EventEmitter which emit different events you might use:
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* *match*: Every time a match is found, miniglob emits this event with
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the pattern.
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* *include*: Emitted each time an include match is found.
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* *exclude*: Emitted each time an exclude match is found and filtered
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out from the fileset.
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* *end*: Emitted when the matching is finished with all the matches
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found, optionally filtered by the exclude patterns.
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#### Callback
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```js
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var fileset = require('fileset');
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fileset('**/*.js', '**.min.js', function(err, files) {
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if (err) return console.error(err);
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console.log('Files: ', files.length);
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console.log(files);
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});
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```
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#### Event emitter
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```js
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var fileset = require('fileset');
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fileset('**.coffee README.md *.json Cakefile **.js', 'node_modules/**')
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.on('match', console.log.bind(console, 'error'))
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.on('include', console.log.bind(console, 'includes'))
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.on('exclude', console.log.bind(console, 'excludes'))
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.on('end', console.log.bind(console, 'end'));
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```
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`fileset` returns an instance of EventEmitter, with an `includes` property
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which is the array of Fileset objects (inheriting from
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`miniglob.Miniglob`) that were used during the mathing process, should
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you want to use them individually.
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Check out the
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[tests](https://github.com/mklabs/node-fileset/tree/master/tests) for
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more examples.
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## Sync usage
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```js
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var results = fileset.sync('*.md *.js', 'CHANGELOG.md node_modules/**/*.md node_modules/**/*.js');
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```
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The behavior should remain the same, although it lacks the last `options` arguments to pass to internal `glob` and `minimatch` dependencies.
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## Tests
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Run `npm test`
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## Why
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Mainly for a build tool with cake files, to provide me an easy way to get
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a list of files by either using glob or path patterns, optionally
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allowing exclude patterns to filter out the results.
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All the magic is happening in
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[Glob](https://github.com/isaacs/node-glob) and
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[minimatch](https://github.com/isaacs/minimatch). Check them out!
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