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grunt-rewrite

v1.0.1

Published

A Grunt plugin to edit & replace file contents.

Downloads

324

Readme

grunt-rewrite

A Grunt plugin to edit & replace file contents.

grunt-rewrite takes one or more files and a function which when given the contents and path of a file, should return new content to be written to that file.

Imagine you have a file at src/languages.json and you want to mess with it.

[{
  "name": "Javanese",
  "description": "Javanese is the language of the Javanese people from the central and eastern parts of the island of Java, in Indonesia. There are also pockets of Javanese speakers in the northern coast of western Java. It is the native language of more than 75,500,000 people (more than 30% of total population in Indonesia)."
}]

You set your Gruntfile.js up like so;

module.exports = function(grunt) {

  grunt.initConfig({

    rewrite: {
      quotes: {
        src: 'src/languages.json',
        editor: function(contents, filePath) {
          return contents.replace(/Javanese/g, 'JavaScript');
        }
      }
    },

  });

  grunt.loadNpmTasks('grunt-rewrite');

};

and src/languages.json now reads as follows;

[{
  "name": "JavaScript",
  "description": "JavaScript is the language of the JavaScript people from the central and eastern parts of the island of Java, in Indonesia. There are also pockets of JavaScript speakers in the northern coast of western Java. It is the native language of more than 75,500,000 people (more than 30% of total population in Indonesia)."
}]

Getting Started

This plugin requires Grunt ~0.4.1

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-rewrite --save-dev

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

grunt.loadNpmTasks('grunt-rewrite');

Configuration

Any valid value for src in the Grunt documentation is valid here, some examples;

rewrite: {
  oneFile: {
    src: 'src/foo.txt',
    editor: function(contents, filePath) {
      return '/* ' + filePath + ' */\n\n' + contents;
    }
  },
  arrayOfFiles: {
    src: ['src/foo.txt', 'src/bar.txt'],
    editor: function(contents, filePath) {
      return contents.toUpperCase();
    }
  },
  patternMatch: {
    src: '**/*.js',
    editor: function(contents, filePath) {
      return contents.toUpperCase();
    }
  }
}