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@prantlf/grunt-contrib-requirejs

Latest version Dependency status

Optimize RequireJS projects using r.js. Forked to use a custom r.js module.

Changes made in this fork:

  • A new option requirejs allows passing a custom build of r.js to the task.
  • A new option force suppresses failures and lets other tasks continue if the current one failes.
  • A new option verbose enables verbose logging of r.js in addition to the command line option.

Getting Started

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 @prantlf/grunt-contrib-requirejs --save-dev

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

grunt.loadNpmTasks('@prantlf/grunt-contrib-requirejs');

This plugin was designed to work with Grunt 0.4.x. If you're still using grunt v0.3.x it's strongly recommended that you upgrade, but in case you can't please use v0.3.3.

Requirejs task

Run this task with the grunt requirejs command.

Task targets and options may be specified according to the grunt Configuring tasks guide.

Options

For a full list of possible options, see the r.js example build file.

done(done, build)

The done option is an optional hook to receive the r.js build output. The first argument is the grunt async callback that you are required to call if you provide the done hook. This informs grunt that the task is complete. The second parameter is the build output from r.js.

error(done, error)

The error option is an optional hook to receive the r.js error. The first argument is the grunt async callback that you are required to call if you provide the done hook. This informs grunt that the task is complete. The second parameter is the error instance thrown from r.js in case of failure.

requirejs

The requirejs option is an object exported from a module compatible with r.js. You can pass an alternative optimizer version to the task by this option. The module requirejs is initialised by require('@prantlf/requirejs') by default.

logLevel

The logLevel option is a number to be passed to the r.js as the log level. The values can be 0 (tracing), 1 (information), 2 (warning) or 3 (error). The default if 2 (warning).

verbose

The verbose option is a boolean to enable logging at the level 0 (tracing) if set to true. The default is false.

force

The force option is a boolean, which if set to true, forces the grunt running and executing further tasks, although the current task failed. The default is false.

Usage Examples

requirejs: {
  compile: {
    options: {
      baseUrl: 'path/to/base',
      mainConfigFile: 'path/to/config.js',
      name: 'path/to/almond', /* assumes a production build using almond, if you don't use almond, you
                                 need to set the "includes" or "modules" option instead of name */
      include: [ 'src/main.js' ],
      out: 'path/to/optimized.js'
    }
  }
}

Done

requirejs: {
  compile: {
    options: {
      baseUrl: 'path/to/base',
      mainConfigFile: 'path/to/config.js',
      done: function(done, output) {
        var duplicates = require('rjs-build-analysis').duplicates(output);

        if (Object.keys(duplicates).length) {
          grunt.log.subhead('Duplicates found in requirejs build:');
          grunt.log.warn(duplicates);
          return done(new Error('r.js built duplicate modules, please check the excludes option.'));
        }

        done();
      }
    }
  }
}

Error

requirejs: {
  compile: {
    options: {
      baseUrl: 'path/to/base',
      mainConfigFile: 'path/to/config.js',
      error: function(done, err) {
        grunt.log.warn(err);
        done();
      }
    }
  }
}

Requirejs

requirejs: {
  compile: {
    options: {
      requirejs: require('@my/requirejs'),
      baseUrl: 'path/to/base',
      mainConfigFile: 'path/to/config.js',
      include: [ 'src/main.js' ],
      out: 'path/to/optimized.js'
    }
  }
}

License

Copyright (c) 2012-2016 Tyler Kellen, contributors
Copyright (c) 2021-2023 Ferdinand Prantl

Licensed under the MIT license.