grunt-remove-comments

A Grunt plugins: To remove the comments in JS and CSS. Support single line comments and mulitiline comments.

You can browse 中文说明 here.

Getting Started

This plugin requires Grunt ~0.4.5

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-remove-comments --save-dev

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

grunt.loadNpmTasks('grunt-remove-comments');

The "remove_comments" task

Overview

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

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

Options

options.multiline

Type: Boolean Default value: true

Whether to remove multi-line block comments

options.singleline

Type: Boolean Default value: true

Whether to remove the comment of a single line.

Note: The single line comment is NOT include the comments in a code line. There are a another option work on it.

options.keepSpecialComments

Type: Boolean Default value: false

Whether to keep special comments, like: /*! !*/

options.linein

Type: Boolean Default value: true

Whether to remove a line-in comment that exists in the line of code, it can be interpreted as a single-line comment in the line of code with /* or //.

options.isCssLinein

Type: Boolean Default value: false

Whether the file currently being processed is a CSS file. Because of the CSS file and the JS file are slightly different, the comments like // in CSS is illegal and unsupported. Therefore, if you need to process CSS comments, you cannot remove the contents of //, for example Background: url(//www.your.com/img). Setting this option to true will not handle content that exists in //.

Usage Examples

Default Options

This is the most sample options.

grunt.initConfig({
  remove_comments: {
    src: '**/*.js',
    dest: 'test/dest/'
  },
});

Custom Options

Custom configuration allows you to use Grunt's basic configuration, following grunt's src and dest file standards。Please browse Grunt Option to know.

The configuration below shows how to set the type of comment removal, including multiple line types, single lines, single lines within code, and more.

For removing JS comments. You can write like this:

grunt.initConfig({
  remove_comments: {
    js: {
      options: {
        multiline: true,
        singleline: true,
        keepSpecialComments: false
      },
      cwd: 'test/origin/',
      src: '**/*.js',
      expand: true,
      dest: 'test/dest/'
    },
  },
});

For removing CSS comments. You will see that isCssLinein is set to true:

grunt.initConfig({
  remove_comments: {
    css: {
      options: {
        multiline: true,
        singleline: true,
        keepSpecialComments: true,
        linein: true,
        isCssLinein: true
      },
      cwd: 'test/origin/',
      src: '**/*.css',
      expand: true,
      dest: 'test/dest/'
    }
  },
});

Release History

• 2018-11-24 birthday