grunt-fetch-from-cdn
This grunt plugin can fetch single file (say jquery.js) from a CDN. Unlike bower, it fetches only a single file and not the entire project.
Last updated 6 years ago by vijey .
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grunt-fetch-from-cdn

This grunt plugin can fetch single file (say jquery.js) from a CDN. Unlike bower, it fetches only a single file and not the entire project.

Getting Started

This plugin requires Grunt ~0.4.4

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-fetch-from-cdn --save-dev

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

grunt.loadNpmTasks('grunt-fetch-from-cdn');

The "fetchFromCDN" task

Overview

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

grunt.initConfig({
  fetchFromCDN: {
        options: {
          cdnBaseUrl: 'http://cdnjs.cloudflare.com/ajax/libs',
        },
        projJsFiles: {
          dest: 'target',

          fetch: [{
            pkg: 'angular.js',
            ver: '1.2.15',
            file: 'angular.min.js'
          }, {
            pkg: 'angular-ui-calendar',
            ver: '0.8.0',
            file: 'calendar.js'
          }],

          fetchUrls: [
            'http://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js'
          ]
        }
      }
});

Options

options.cdnBaseUrl

Type: String Default value: http://cdn.jsdelivr.net

The fetch request will go to this website.

options.flatten

Type: Boolean Default value: false

When set to true, all the fetched files will be placed in one single directory without any nested sub directories.

Task Settings

dest

Type: String Default: No defaults provided

This should be a directory where you want to place all the fetched files. This is a required settings. The task terminates with an error message if you don't specifiy a value for this field.

fetch

Type: Array of Objects

This would represent the list of files you want to fetch. The details of each file - pkg, ver, file - should be mentioned as shown below.

	fetch: [{
	  pkg: 'angular.js',
	  ver: '1.2.15',
	  file: 'angular.min.js'
	}, {
	  pkg: 'angular-ui-calendar',
	  ver: '0.8.0',
	  file: 'calendar.js'
	}]

The plugin will use the details to construct an url to fetch the file. Most CDNs follow this pattern to organize the files: cdnBaseUrl + pkg + ver + file. Make sure the CDN, you want to use, adheres to this pattern. Instead of using a CDN, you can host the files in your intranet server in this pattern.

fetchUrls

Type: Array of Strings

Sometimes you might want to list of file urls that need to be fetched. This is a simple way to get a file.

	fetchUrls: [
		'http://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js'
		'http://cdnjs.cloudflare.com/ajax/libs/angular.js/1.2.15/angular.min.js',
		'http://cdnjs.cloudflare.com/ajax/libs/angular-ui-calendar/0.8.0/calendar.js',
	]

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({
  fetchFromCDN: {
    options: {},
    files: {
      'dest/default_options': ['src/testing', 'src/123'],
    },
  },
});

Custom Options

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

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

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

(Nothing yet)

Current Tags

  • 0.1.0                                ...           latest (6 years ago)

1 Versions

  • 0.1.0                                ...           6 years ago
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