Gruntfile.js

/*
           _                  _      _             
  ___ ___ | | ___  _ __ _ __ (_) ___| | _____ _ __ 
 / __/ _ \| |/ _ \| '__| '_ \| |/ __| |/ / _ \ '__|
| (_| (_) | | (_) | |  | |_) | | (__|   <  __/ |   
 \___\___/|_|\___/|_|  | .__/|_|\___|_|\_\___|_|   
                       |_|                         
                                                   
*/

module.exports = function (grunt) {
  grunt.initConfig({
    // *************************************************************************************
    //      CONFIG OPTIONS
    // *************************************************************************************

    pkg: grunt.file.readJSON("package.json"),

    banner:
      "/*\n   <%= pkg.name %> <%= pkg.version %>\n   <%= pkg.copyright %>\n   <%= pkg.homepage %>\n*/\n",

    // *************************************************************************************
    //      JSHINT options
    // *************************************************************************************
    jshint: {
      all: ["Gruntfile.js", "package.json", "js/evol-colorpicker.js"],
    },

    // *************************************************************************************
    //      UGLIFY options
    // *************************************************************************************
    uglify: {
      options: {
        banner: "<%= banner %>",
        mangle: true,
      },
      js: {
        files: {
          "js/evol-colorpicker.min.js": ["js/evol-colorpicker.js"],
        },
      },
    },

    // *************************************************************************************
    //      LESS
    // *************************************************************************************
    less: {
      dev: {
        options: {
          banner: "<%= banner %>",
        },
        files: {
          "css/evol-colorpicker.css": "less/evol-colorpicker.less",
        },
      },
      prod: {
        options: {
          banner: "<%= banner %>",
          compress: true,
        },
        files: {
          "css/evol-colorpicker.min.css": "less/evol-colorpicker.less",
        },
      },
    },
  });

  // Load the plugin that provides the tasks.
  grunt.loadNpmTasks("grunt-contrib-jshint");
  grunt.loadNpmTasks("grunt-contrib-uglify");
  grunt.loadNpmTasks("grunt-contrib-less");

  // Custom tasks

  grunt.registerTask("header", "evol-colorpicker version", function (arg1) {
    var pkg = grunt.file.readJSON("package.json");
    console.log(
      new Date().toString() +
        "\n" +
        "            _                  _      _\n" +
        "   ___ ___ | | ___  _ __ _ __ (_) ___| | _____ _ __\n" +
        "  / __/ _ \\| |/ _ \\| '__| '_ \\| |/ __| |/ / _ \\ '__|\n" +
        " | (_| (_) | | (_) | |  | |_) | | (__|   <  __/ |\n" +
        "  \\___\\___/|_|\\___/|_|  | .__/|_|\\___|_|\\_\\___|_|   \n" +
        "                        |_|     " +
        arg1 +
        " " +
        pkg.version
    );
  });
  // *************************************************************************************
  //      BUILD TASKS : dev prod
  // *************************************************************************************
  // Default task(s).
  grunt.registerTask("default", ["prod"]);

  // Dev only task(s).
  grunt.registerTask("dev", ["header:dev", "jshint", "less:dev"]);

  // Prod task(s).
  grunt.registerTask("prod", ["header:prod", "jshint", "uglify", "less"]);
};