grunt-env

Specify an ENV configuration for future tasks in the chain

npm install grunt-env
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grunt-env Build Status

Specify an ENV configuration as a task, e.g.

grunt.registerTask('dev', 'env:dev lint server watch');
grunt.registerTask('build', 'env:build lint other:build:tasks');

Getting Started

Install this grunt plugin next to your project's grunt.js gruntfile with: npm install grunt-env

Then add this line to your project's grunt.js gruntfile:

grunt.loadNpmTasks('grunt-env');

Configuration

  env : {
    options : {
     //Shared Options Hash
    },
    dev : {
      NODE_ENV : 'development',
      DEST     : 'temp'
    },
    build : {
      NODE_ENV : 'production',
      DEST     : 'dist',
      extend   : {
        PATH     : {
          'value': 'node_modules/.bin',
          'delimiter': ':'
        }
      }
    }
  }

Using external files

You can specify environment values in INI or JSON style and load them via the src option.

  env : {
    dev : {
      src : "dev.json"
    },
    heroku : {
      src : ".env"
    }
  }

Dynamic ENV configuration

The following directives can be specified in the options to alter the environment in more specific ways

  • add
    • This will add the variables only if they don't already exist
  • replace
    • Will replace the variable with the value specified
  • unshift
    • Will prepend the value to the variable specified, optionally specifying a 'delimiter'
  • push
    • Same as unshift, but at the end of the value.
  • concat
    • Functionally same as push, added for readability
yourtask : {
  USER : 'you',
  PATH : '/bin:/usr/bin'

  options : {
    add : {
      VERBOSE : '1' // will only be added if VERBOSE isn't already set
    },
    replace : {
      USER : 'me'
    },
    push : {
      PATH : {
        value : '~/bin',
        delimiter : ':'
      }
    },
    unshift : {
      PATH : '/sbin:'
    }
  }
}

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

  • 0.4.0 Removed automatic parse, added ability to add ini or json style src files
  • 0.3.0 Automatically parses .env files now
  • 0.2.1 fixed npm install
  • 0.2.0 grunt 0.4.0 support, simplified
  • 0.1.0 Initial release

License

Licensed under the Apache 2.0 license.

Author

Jarrod Overson

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