1 // This file is part of Moodle - http://moodle.org/
3 // Moodle is free software: you can redistribute it and/or modify
4 // it under the terms of the GNU General Public License as published by
5 // the Free Software Foundation, either version 3 of the License, or
6 // (at your option) any later version.
8 // Moodle is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 // GNU General Public License for more details.
13 // You should have received a copy of the GNU General Public License
14 // along with Moodle. If not, see <http://www.gnu.org/licenses/>.
15 /* jshint node: true, browser: false */
19 * @copyright 2014 Andrew Nicols
20 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
27 module.exports = function(grunt) {
28 var path = require('path'),
30 cwd = process.env.PWD || process.cwd(),
31 async = require('async'),
32 DOMParser = require('xmldom').DOMParser,
33 xpath = require('xpath'),
34 semver = require('semver');
36 // Verify the node version is new enough.
37 var expected = semver.validRange(grunt.file.readJSON('package.json').engines.node);
38 var actual = semver.valid(process.version);
39 if (!semver.satisfies(actual, expected)) {
40 grunt.fail.fatal('Node version not satisfied. Require ' + expected + ', version installed: ' + actual);
43 // Windows users can't run grunt in a subdirectory, so allow them to set
44 // the root by passing --root=path/to/dir.
45 if (grunt.option('root')) {
46 var root = grunt.option('root');
47 if (grunt.file.exists(__dirname, root)) {
48 cwd = path.join(__dirname, root);
49 grunt.log.ok('Setting root to ' + cwd);
51 grunt.fail.fatal('Setting root to ' + root + ' failed - path does not exist');
55 var inAMD = path.basename(cwd) == 'amd';
57 // Globbing pattern for matching all AMD JS source files.
58 var amdSrc = [inAMD ? cwd + '/src/*.js' : '**/amd/src/*.js'];
61 * Function to generate the destination for the uglify task
62 * (e.g. build/file.min.js). This function will be passed to
63 * the rename property of files array when building dynamically:
64 * http://gruntjs.com/configuring-tasks#building-the-files-object-dynamically
66 * @param {String} destPath the current destination
67 * @param {String} srcPath the matched src path
68 * @return {String} The rewritten destination path.
70 var uglifyRename = function(destPath, srcPath) {
71 destPath = srcPath.replace('src', 'build');
72 destPath = destPath.replace('.js', '.min.js');
73 destPath = path.resolve(cwd, destPath);
78 * Find thirdpartylibs.xml and generate an array of paths contained within
79 * them (used to generate ignore files and so on).
81 * @return {array} The list of thirdparty paths.
83 var getThirdPartyPathsFromXML = function() {
84 var thirdpartyfiles = grunt.file.expand('*/**/thirdpartylibs.xml');
85 var libs = ['node_modules/', 'vendor/'];
87 thirdpartyfiles.forEach(function(file) {
88 var dirname = path.dirname(file);
90 var doc = new DOMParser().parseFromString(grunt.file.read(file));
91 var nodes = xpath.select("/libraries/library/location/text()", doc);
93 nodes.forEach(function(node) {
94 var lib = path.join(dirname, node.toString());
95 if (grunt.file.isDir(lib)) {
96 // Ensure trailing slash on dirs.
97 lib = lib.replace(/\/?$/, '/');
100 // Look for duplicate paths before adding to array.
101 if (libs.indexOf(lib) === -1) {
109 // Project configuration.
112 // Even though warnings dont stop the build we don't display warnings by default because
113 // at this moment we've got too many core warnings.
114 options: {quiet: !grunt.option('show-lint-warnings')},
116 // Check YUI module source files.
117 yui: {src: ['**/yui/src/**/*.js', '!*/**/yui/src/*/meta/*.js']}
126 options: {report: 'none'}
132 "theme/boost/style/moodle.css": "theme/boost/scss/preset/default.scss",
133 "theme/classic/style/moodle.css": "theme/classic/scss/classicgrunt.scss"
137 includePaths: ["theme/boost/scss/", "theme/classic/scss/"]
142 nospawn: true // We need not to spawn so config can be changed dynamically.
145 files: ['**/amd/src/**/*.js'],
149 files: ['**/yui/src/**/*.js'],
153 files: ['**/tests/behat/*.feature'],
154 tasks: ['gherkinlint']
165 files: ['**/tests/behat/*.feature'],
170 options: {syntax: 'scss'},
178 // These rules have to be disabled in .stylelintrc for scss compat.
179 "at-rule-no-unknown": true,
188 * Generate ignore files (utilising thirdpartylibs.xml data)
190 tasks.ignorefiles = function() {
191 // An array of paths to third party directories.
192 var thirdPartyPaths = getThirdPartyPathsFromXML();
193 // Generate .eslintignore.
194 var eslintIgnores = ['# Generated by "grunt ignorefiles"', '*/**/yui/src/*/meta/', '*/**/build/'].concat(thirdPartyPaths);
195 grunt.file.write('.eslintignore', eslintIgnores.join('\n'));
196 // Generate .stylelintignore.
197 var stylelintIgnores = [
198 '# Generated by "grunt ignorefiles"',
200 'theme/boost/style/moodle.css',
201 'theme/classic/style/moodle.css',
202 ].concat(thirdPartyPaths);
203 grunt.file.write('.stylelintignore', stylelintIgnores.join('\n'));
207 * Shifter task. Is configured with a path to a specific file or a directory,
208 * in the case of a specific file it will work out the right module to be built.
210 * Note that this task runs the invidiaul shifter jobs async (becase it spawns
211 * so be careful to to call done().
213 tasks.shifter = function() {
214 var done = this.async(),
215 options = grunt.config('shifter.options');
217 // Run the shifter processes one at a time to avoid confusing output.
218 async.eachSeries(options.paths, function(src, filedone) {
220 args.push(path.normalize(__dirname + '/node_modules/shifter/bin/shifter'));
222 // Always ignore the node_modules directory.
223 args.push('--excludes', 'node_modules');
225 // Determine the most appropriate options to run with based upon the current location.
226 if (grunt.file.isMatch('**/yui/**/*.js', src)) {
227 // When passed a JS file, build our containing module (this happen with
229 grunt.log.debug('Shifter passed a specific JS file');
230 src = path.dirname(path.dirname(src));
231 options.recursive = false;
232 } else if (grunt.file.isMatch('**/yui/src', src)) {
233 // When in a src directory --walk all modules.
234 grunt.log.debug('In a src directory');
236 options.recursive = false;
237 } else if (grunt.file.isMatch('**/yui/src/*', src)) {
238 // When in module, only build our module.
239 grunt.log.debug('In a module directory');
240 options.recursive = false;
241 } else if (grunt.file.isMatch('**/yui/src/*/js', src)) {
242 // When in module src, only build our module.
243 grunt.log.debug('In a source directory');
244 src = path.dirname(src);
245 options.recursive = false;
248 if (grunt.option('watch')) {
249 grunt.fail.fatal('The --watch option has been removed, please use `grunt watch` instead');
252 // Add the stderr option if appropriate
253 if (grunt.option('verbose')) {
254 args.push('--lint-stderr');
257 if (grunt.option('no-color')) {
258 args.push('--color=false');
261 var execShifter = function() {
263 grunt.log.ok("Running shifter on " + src);
267 opts: {cwd: src, stdio: 'inherit', env: process.env}
268 }, function(error, result, code) {
270 grunt.fail.fatal('Shifter failed with code: ' + code);
272 grunt.log.ok('Shifter build complete.');
278 // Actually run shifter.
279 if (!options.recursive) {
282 // Check that there are yui modules otherwise shifter ends with exit code 1.
283 if (grunt.file.expand({cwd: src}, '**/yui/src/**/*.js').length > 0) {
284 args.push('--recursive');
287 grunt.log.ok('No YUI modules to build.');
294 tasks.gherkinlint = function() {
295 var done = this.async(),
296 options = grunt.config('gherkinlint.options');
298 var args = grunt.file.expand(options.files);
299 args.unshift(path.normalize(__dirname + '/node_modules/.bin/gherkin-lint'));
303 opts: {stdio: 'inherit', env: process.env}
304 }, function(error, result, code) {
305 // Propagate the exit code.
310 tasks.startup = function() {
311 // Are we in a YUI directory?
312 if (path.basename(path.resolve(cwd, '../../')) == 'yui') {
313 grunt.task.run('yui');
314 // Are we in an AMD directory?
316 grunt.task.run('amd');
319 grunt.task.run('css');
320 grunt.task.run('js');
321 grunt.task.run('gherkinlint');
325 // On watch, we dynamically modify config to build only affected files. This
326 // method is slightly complicated to deal with multiple changed files at once (copied
327 // from the grunt-contrib-watch readme).
328 var changedFiles = Object.create(null);
329 var onChange = grunt.util._.debounce(function() {
330 var files = Object.keys(changedFiles);
331 grunt.config('eslint.amd.src', files);
332 grunt.config('eslint.yui.src', files);
333 grunt.config('uglify.amd.files', [{expand: true, src: files, rename: uglifyRename}]);
334 grunt.config('shifter.options.paths', files);
335 grunt.config('gherkinlint.options.files', files);
336 changedFiles = Object.create(null);
339 grunt.event.on('watch', function(action, filepath) {
340 changedFiles[filepath] = action;
344 // Register NPM tasks.
345 grunt.loadNpmTasks('grunt-contrib-uglify');
346 grunt.loadNpmTasks('grunt-contrib-watch');
347 grunt.loadNpmTasks('grunt-sass');
348 grunt.loadNpmTasks('grunt-eslint');
349 grunt.loadNpmTasks('grunt-stylelint');
351 // Register JS tasks.
352 grunt.registerTask('shifter', 'Run Shifter against the current directory', tasks.shifter);
353 grunt.registerTask('gherkinlint', 'Run gherkinlint against the current directory', tasks.gherkinlint);
354 grunt.registerTask('ignorefiles', 'Generate ignore files for linters', tasks.ignorefiles);
355 grunt.registerTask('yui', ['eslint:yui', 'shifter']);
356 grunt.registerTask('amd', ['eslint:amd', 'uglify']);
357 grunt.registerTask('js', ['amd', 'yui']);
359 // Register CSS taks.
360 grunt.registerTask('css', ['stylelint:scss', 'sass', 'stylelint:css']);
362 // Register the startup task.
363 grunt.registerTask('startup', 'Run the correct tasks for the current directory', tasks.startup);
365 // Register the default task.
366 grunt.registerTask('default', ['startup']);