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https://github.com/wiledal/gulp-include

Enables functionality similar to that of snockets / sprockets or other file insertion compilation tools.
https://github.com/wiledal/gulp-include

gulp include javascript

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Enables functionality similar to that of snockets / sprockets or other file insertion compilation tools.

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README 

        
# gulp-include [![NPM version][npm-image]][npm-url] ![Travis build][travis-image]



Packagegulp-include



Description

Makes inclusion of files a breeze. Enables functionality similar to that of snockets / sprockets or other file insertion compilation tools.



Node Version

>= 6.0.0 



Gulp Version

>= 3.0.0



> Works with gulp 3 and gulp 4



## Features

* Concatenate files with full control

* Respects indentation whitespace

* Uses [globs](https://www.npmjs.com/package/glob) for simple path control

* Works recursively (files can include files that can include files, and so on)



## Installation

```shell

npm install gulp-include

```

## Usage

Example `gulpfile.js`:

```javascript

const gulp = require('gulp')

const include = require('gulp-include')



exports.scripts = function (done) {

  gulp.src('source/js/entry.js')

    .pipe(include())

      .on('error', console.log)

    .pipe(gulp.dest('dist/js'))

}



```



## Include directives

`gulp-include` uses directives similar to `sprockets` or `snockets`. A _directive_ is a comment in your files that `gulp-include` recognizes as a command.



Example directives:

```javascript

//=require vendor/jquery.js

//=require vendor/**/*.js

//=include relative/path/to/file.js

//=include ./relative/path/to/file-even-when-includePaths-set.js

```

```css

/*=include relative/path/to/file.css */

```

```coffee

#=include relative/path/to/file.coffee

```

```html



```



The contents of the referenced file will replace the file.



### `require` vs. `include`

A file that is included with `require` will only be included if it has not been included  before. Files included with `include` will _always_ be included.  

For instance, let's say you want to include `jquery.js` only once, and before any of your other scripts in the same folder.

```javascript

//=require vendor/jquery.js

//=require vendor/*.js

```

Note: This also works recursively. If for instance, for the example above, if another file in the folder `vendor` is also including `jquery.js` with the `require`-directive it will be ignored.



## Options

- `extensions` (optional)

  * Takes a `String` or an `Array` of extensions.  

  eg: `"js"` or `["js", "coffee"]`

  * If set, all directives that does not match the extension(s) will be ignored  



- `includePaths` (optional)

  * Takes a `String` or an `Array` of paths.  

  eg: `__dirname + "/node_modules"` or `[__dirname + "/assets/js", __dirname + "/bower_components"]`

  * If set, `gulp-include` will use these folders as base path when searching for files.

  * If set, you can still include files relative to the current file by pre-pending includes with `./`.



- `hardFail` (optional)

  * Boolean, `false` by default

  * Set this to `true` if you want `gulp-include` to throw errors if a file does not match

  an include directive.

  * If set to `false` gulp include will not fail, but display warnings in the console.

  

- `separateInputs` (optional)

  * Boolean, `false` by default

  * Set this to `true` to allow each input file to use `require`-directives independently.

  * Useful if you are referencing several paths in `gulp.src` and need them to `require` the same files.



#### Example options usage:

```js

gulp.src('src/js/main.js')

  .pipe(include({

    extensions: 'js',

    hardFail: true,

    separateInputs: true,

    includePaths: [

      __dirname + '/bower_components',

      __dirname + '/src/js'

    ]

  }))

  .pipe(gulp.dest('dist/js'))

```



## Changelog

For release notes see `CHANGELOG.md`.



## Licence

(MIT License)



Copyright (c) 2014 Hugo Wiledal



Permission is hereby granted, free of charge, to any person obtaining a copy

of this software and associated documentation files (the "Software"), to deal

in the Software without restriction, including without limitation the rights

to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

copies of the Software, and to permit persons to whom the Software is

furnished to do so, subject to the following conditions:



The above copyright notice and this permission notice shall be included in all

copies or substantial portions of the Software.



THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

SOFTWARE.



[travis-image]: https://api.travis-ci.org/wiledal/gulp-include.png?branch=master



[npm-url]: https://npmjs.org/package/gulp-include

[npm-image]: https://badge.fury.io/js/gulp-include.png