grunt-img2sassb64

img2sassb64

A grunt task to convert image files to Base64 and save them as SCSS or SASS variables in a single file.

If you save the generated file as a partial (e.g. _icons.scss) you can easily import the file to your SCSS or SASS file and access the graphics via the variable names.

Variable names will be the file names with '.' replaced by '_'. For example, icon.png will be $icon_png.

Use this plugin together with a watch to have your graphics processed as soon as you place them in the given directory.

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-img2sassb64 --save-dev

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

grunt.loadNpmTasks('img2sassb64');

The "img2sassb64" task

Overview

In your project's Gruntfile, add a section named img2sassb64 to the data object passed into grunt.initConfig().

grunt.initConfig({
  img2sassb64: {
    options: {
      // Task-specific options go here.
    },
    your_target: {
      // Target-specific file lists and/or options go here.
    },
  },
})

Options

options.sassSyntax

Type: boolean Default value: false

Set this to true if you want to use SASS syntax instead of SCSS syntax.

options.replaceAtSign

Type: String Default value: _

Set a string to replace @ in file names with. For example [e-mail] will be stored in a variable named $img_2x_jpg when using the default.

Usage Examples

Default Options

In this example all PNG files found in images/icons and all GIF and JPG files in images/more_icons will be processed using SCSS syntax and the output will be written to dest/_icons.scss.

grunt.initConfig({
  img2sassb64: {
    files: {
      'dest/_icons.scss': ['images/icons/*.png', 'images/more_icons/*.gif', 'images/more_icons/*.jpg'],
    },
  },
})

Custom Options

In this example all PNG files found in images/icons and all GIF and JPG files in images/more_icons will be processed using SASS syntax and the output will be written to dest/_icons.scss.

grunt.initConfig({
  img2sassb64: {
    options: {
      sassSyntax: true,
      replaceAtSign: 'AT'
    },
    files: {
      'dest/_icons.scss': ['images/icons/*.png', 'images/more_icons/*.gif', 'images/more_icons/*.jpg'],
    }
  }
})

Release History

• 0.1.3 Added option to replace @ with string in file name (default: "_")
• 0.1.2 Fixed missing quotes in generated output
• 0.1.1 Updated documentation
• 0.1.0 Changed directory input to file input to be more flexible
• 0.0.4 First version

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 Sven Arweiler. Licensed under the MIT license.