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grunt-codepainter

Grunt plugin for codepainter-A JavaScript beautifier that can both infer coding style and transform code to reflect that style.

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grunt-codepainter

Grunt plugin for codepainter-A JavaScript beautifier that can both infer coding style and transform code to reflect that style.

Codepainter

This repo is a grunt plugin for codepainter. Visit the site to learn more about how codepainter works. This readme will guide you through using codepainter in your grunt projects.

Getting Started

This plugin requires Grunt ~0.4.2 and Node 0.10.6 (or newer).

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-codepainter --save-dev

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

grunt.loadNpmTasks('grunt-codepainter');

The "codepainter" task

Overview

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

grunt.initConfig({
  codepainter: {
    // individual files
    static: {
      options: {
        predef: 'idiomatic',
        style: {
          indent_style: 'tab'
        }
      },
      files: {
        'dest/abc.js' : 'src/abc.js',
        'dest/xyz.js' : 'src/xyz.js',
      }
    },
  },
});

Options

All values are optional.

Refer to codepainter for details on how these options work.

options.infer

Type: String

Path to a javascript file to infer rules from. Example: 'src/perfectlyStyledScript.js'

options.predef

Type: String

Use one of the codepainter presets: 'idiomatic', 'hautelook' or 'mediawiki'.

options.json

Type: String

Path to JSON configuration file containing style rules. Example: '.codepaintrc'

options.style

Type: Object

Specify individual style rules to override the above.

options.editorConfig

Type: Boolean

Get styles from EditorConfig files. See EditorConfig for details.

Usage Examples

Default Options

In this example, the default options are used to do something with whatever. So if the testing file has the content Testing and the 123 file had the content 1 2 3, the generated result would be Testing, 1 2 3.

grunt.initConfig({
  codepainter: {
    options: {},
    files: {
      'dest/default_options': ['src/testing', 'src/123'],
    },
  },
});

Custom Options

In this example, custom options are used to overwrite all script files in the src directory.

grunt.initConfig({
  codepainter: {
    // directories
    dynamic: {
      options: {
        predef: 'idiomatic',
        style: {
          indent_style: 'tab'
        }
      },
      files: [{
        expand: true,       // Enable dynamic expansion
        cwd: 'src/',        // Src matches are relative to this path
        src: ['**/*.js'],   // Actual patterns to match
        dest: 'src/'        // Destination path prefix
      }]
    }
  }
});

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.

Thanks

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