5 * Copyright (c) 2012 "Cowboy" Ben Alman
6 * Licensed under the MIT license.
7 * https://github.com/gruntjs/grunt/blob/master/LICENSE-MIT
11 var path = require('path');
13 // The module to be exported.
14 var grunt = module.exports = {};
16 // Expose internal grunt libs.
17 function gRequire(name) {
18 return grunt[name] = require('./grunt/' + name);
20 var utils = gRequire('utils');
21 var template = gRequire('template');
22 var fail = gRequire('fail');
23 var file = gRequire('file');
24 var option = gRequire('option');
25 var config = gRequire('config');
26 var task = gRequire('task');
27 var log = gRequire('log');
28 var cli = gRequire('cli');
29 var verbose = grunt.verbose = log.verbose;
31 grunt.version = file.readJSON(path.join(__dirname, '../package.json')).version;
33 // Expose specific grunt lib methods on grunt.
34 function gExpose(obj, methodName, newMethodName) {
35 grunt[newMethodName || methodName] = obj[methodName].bind(obj);
37 gExpose(task, 'registerTask');
38 gExpose(task, 'registerMultiTask');
39 gExpose(task, 'registerInitTask');
40 gExpose(task, 'renameTask');
41 gExpose(task, 'registerHelper');
42 gExpose(task, 'renameHelper');
43 gExpose(task, 'helper');
44 gExpose(task, 'loadTasks');
45 gExpose(task, 'registerTask');
46 gExpose(task, 'loadNpmTasks');
47 gExpose(config, 'init', 'initConfig');
48 gExpose(fail, 'warn');
49 gExpose(fail, 'fatal');
52 // process.on('uncaughtException', function (e) {
56 // Disable colors if --no-colors was passed.
57 function initColors() {
58 var methods = Object.keys(String.prototype);
59 // Requiring this here will modify String prototype everywhere.
63 if (option('no-color')) {
65 Object.keys(String.prototype).filter(function(method) {
66 // Filter out methods that existed before "colors" was required.
67 return methods.indexOf(method) === -1;
68 }).forEach(function(method) {
69 // Replace each new method with a function that just returns `this`.
70 String.prototype.__defineGetter__(method, function() { return this; });
73 // Override console.log (nodeunit, maybe others).
74 console._log = console.log;
75 console.log = function() {
76 var args = utils.toArray(arguments).map(function(value) {
77 if (typeof value === 'string') {
78 return value.replace(/\033\[[\d;]+m/g, '');
82 console._log.apply(console, args);
87 // Expose the task interface. I've never called this manually, and have no idea
88 // how it will work. But it might.
89 grunt.tasks = function(tasks, options, done) {
90 // Update options with passed-in options.
97 // Load and display help if the user did --help.
98 require('./grunt/help');
99 } else if (option('version')) {
100 // Display the current grunt version if the user did --version.
101 log.writeln('grunt v' + grunt.version);
105 // A little header stuff.
106 verbose.header('Initializing').writeflags(option.flags(), 'Command-line options');
108 // Determine and output which tasks will be run.
109 var tasksSpecified = tasks && tasks.length > 0;
110 tasks = task.parseArgs([tasksSpecified ? tasks : 'default']);
116 if (!tasksSpecified) {
117 verbose.writeln('No tasks specified, running default tasks.');
119 verbose.writeflags(tasks, 'Running tasks');
121 // Report, etc when all tasks have completed.
127 // Output a final fail / success report.
131 // Execute "done" function when done (only if passed, of course).
134 // Otherwise, explicitly exit.
140 // Execute all tasks, in order. Passing each task individually in a forEach
141 // allows the error callback to execute multiple times.
142 tasks.forEach(function(name) { task.run(name); });
146 // Register one or more Npm-installed grunt plugins inside that plugin's bin.
147 grunt._npmTasks = [];
148 grunt.npmTasks = function(tasks) {
149 grunt._npmTasks = Array.isArray(tasks) ? tasks : [tasks];