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Grunt plugin for replacing resources in jade files with minified and revved js & css files

NPM Version NPM Gittip Dependencies Built with Grunt

Getting Started

This plugin requires Grunt.

If you haven't used Grunt before, be sure to check out the Getting Started guide, as it explains how to create a Gruntfile as well as install and use Grunt plugins. Once you're familiar with that process, you may install this plugin with this command:

npm install grunt-jade-flerev-usemin --save-dev

Once the plugin has been installed, it may be enabled inside your Gruntfile with this line of JavaScript:

grunt.loadNpmTasks('grunt-jade-filerev-usemin');

The "jadeFilerevUsemin" task

This project is shamelessly borrowing from grunt-jade-usemin Project, which is based on the grunt-usemin Project. grunt-jade-filerev-usemin is meant to be an assisting tool in preparing projects for build. It was created to make grunt-jade-usemin work together with grunt-filerev.

The plugin will scan the parsed .jade files and replace the script/css with the minified ones (this plugin will not concatenate nor minify your script/css).

Use grunt-jade-usemin to concatenate and minifiy your script/css, then use grunt-filerev to rename minified script/css with revision number. grunt-jade-filerev-usemin as the last step will correctly replace the reference to script/css in the jade file.

How to use in a Jade file

The original grunt-jade-usemin relies on environment variable in express to determine whether to use unminified or minified resources.

jadeFilerevUsemin instead creates a new jade file with resources replaced with the minified one. This may be necessary if you are also renaming minified resouces with grunt-filerev.

jadeFilerevUsemin relies on grunt-jade-usemin to concatenate and minify the script/css.

jadeFilerevUsemin relies on grunt-filerev to rename the minified script/css with the revisioned one.

jadeFilerevUsemin simply scans for the following line: <!-- build:<type> <target -->. Where <target> can be either js or css.

jadeFilerevUsemin then adds the scripts/styles inside the lines until it meets the closing line: <!-- endbuild --> Which signifies the end of a usemin target.

This is an example index.jade:

//-<!-- build:js test/compiled/compiled.min.js -->
script(src='/test/fixtures/script1.js')
script(src='/test/fixtures/script2.js')
//-<!-- endbuild -->

Running **jadeFilerevUsemin** on this file will replace the block with

//-<!-- build:js test/compiled/compiled.min.js -->
script(src='/test/compiled/compiled.min.eba0f92b.js')
//-<!-- endbuild -->

Revision number is based on the hash and is produced by grunt-filerev.

Another example is using jadeFilerevUsemin with css files:

//-<!-- build:css test/compiled/style.min.css -->
link(rel='stylesheet', href='/test/fixtures/style1.css')
link(rel='stylesheet', href='/test/fixtures/style2.css')
//-<!-- endbuild -->

Above block will be replaced by

link(rel='stylesheet', href='/test/compiled/style.min.23f8haf2.css')

Available Options

Deprefix_dest

{String} [deprefix_dest=''] This is nearly the opposite of what prefix does in grunt-jade-usemin. Prefix maps from server based href location to file location relative to Gruntfile, by prefixing. Deprefix_dest maps from file location (of the minified revved file) to server based href location, by stripping prefix.

Gruntfile.js basic task

In your project's Gruntfile, add a section named jadeFilerevUsemin to the data object passed into grunt.initConfig().

grunt.initConfig({
  jadeUsemin: {
    main: {
      options: {
        prefix: '', //optional - add prefix to the path [default='']
        deprefix_dest: '', //optional - add prefix to the path [default='']
      },
      src: 'src/index.jade',
      dest: 'src/index.jade',
    }
  },
})

Example build task may be defined as follows:

  grunt.registerTask('build', [
    "jadeUsemin",
    "filerev",
    "jadeFilerevUsemin",
  ]);

Usage Examples

Default Options

grunt.initConfig({
  jadeUsemin: {
    main: {
      options: {
        prefix: './public/',
        deprefix_dest: '.dist/public',
      },
      src: "server/views/index.jade",
      dest: ".dist/server/views/index.jade",
    }
  },
})

Contributing

In lieu of a formal styleguide, take care to maintain the existing coding style. Add unit tests for any new or changed functionality. Lint and test your code using Grunt.

License

Copyright (c) 2014 noos. Licensed under the MIT license.

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