grunt-csssplit

IE Sucks. Who knew?

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grunt-csssplit
0.4.17 years ago9 years agoMinified + gzip package size for grunt-csssplit in KB

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Dependency Status devDependency Status
DEPRECATED
This project is no longer maintained. If you are still supporting ie9 then you have my sympathies!
grunt-csssplit
IE Sucks. Who knew?

IE9 has a per file css selector limit of 4096. Why? Because Bill hates you, that's why. grunt-csssplit makes use of css-parse and css-stringify from the reworkcss project to split css files into a size which IE9 can handle.

Getting Started

This plugin requires Grunt ~0.4.0
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-csssplit --save-dev

Once the plugin has been installed, it may be enabled inside your Gruntfile with this line of JavaScript:
grunt.loadNpmTasks('grunt-csssplit');

The "csssplit" task

Overview

In your project's Gruntfile, add a section named csssplit to the data object passed into grunt.initConfig().
grunt.initConfig({
  csssplit: {
    your_target: {
      src: ['path/or/paths/to/your/css'],
      dest: 'directory/to/write/split/css/to',
      options: {
          maxSelectors: 4095,
          maxPages: 3,
          suffix: '_page_'
      }
    },
  },
});

Options

options.maxSelectors

Type: Number
Default value: 4095
The maximum number of selectors for each output css file

options.maxPages

Type: Number or Boolean
Default value: false
Warn if the number of pages output for any input file exceeds this number. Useful for situations where html needs editing if the output file count increases.

options.suppressSinglePage

Type: Boolean
Default value: false
Controls whether or not to write a page file if it would be the only page for the given source file.

Usage Examples

Default Options

This example would split file.css into as many files as necessary, with a limit of 4095 rules per output file. The output files would be named file_page_1.css, file_page_2.css ... file_page_n.css
grunt.initConfig({
  csssplit: {
    your_target: {
      src: ['path/or/paths/to/your/file.css'],
      dest: 'directory/to/write/split/css/to'
    },
  },
});

Custom Options

This example would split file.css into a maximum of 3 files, with a limit of 1000 selectors per output file. The output files would be named filePage1.css, filePage2.css ... filePagen.css. If the output per input file exceeded 3 files a warning would be fired.
grunt.initConfig({
  grunt.initConfig({
    csssplit: {
      your_target: {
        src: ['path/or/paths/to/your/css'],
        dest: 'directory/to/write/split/css/to',
        options: {
            maxSelectors: 1000,
            maxPages: 3,
            suffix: 'Page'
        }
      },
    },
  });
});

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.

Release History

0.1.0 Initial Release
0.1.1 Chage required Grunt version to '0.4.0'
0.1.2 Move to Github.
0.1.3 Oops, update the package too
0.2.0 Split on selectors instead of rules (@paazmaya)
0.2.1 Add dependency checking to README.md and update packages (@paazmaya & @RidiculousGnome)
0.2.2 Update packages (@RidiculousGnome)
0.2.3 Update packages (@RidiculousGnome)
0.2.4 Update packages (@RidiculousGnome)
0.3.0 Add file globbing (MattCBowman)
0.4.0 Add single file suppression. 0.3.0 Add file globbing (mhupman)