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/>.
17 * Helper functions for working with Moodle component names, directories, and sources.
19 * @copyright 2019 Andrew Nicols <andrew@nicols.co.uk>
20 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
26 /** @var {Object} A list of subsystems in Moodle */
27 const componentData = {};
30 * Load details of all moodle modules.
34 const fetchComponentData = () => {
35 const fs = require('fs');
36 const path = require('path');
37 const glob = require('glob');
38 const gruntFilePath = process.cwd();
40 if (!Object.entries(componentData).length) {
41 componentData.subsystems = {};
42 componentData.pathList = [];
44 // Fetch the component definiitions from the distributed JSON file.
45 const components = JSON.parse(fs.readFileSync(`${gruntFilePath}/lib/components.json`));
47 // Build the list of moodle subsystems.
48 componentData.subsystems.lib = 'core';
49 componentData.pathList.push(process.cwd() + path.sep + 'lib');
50 for (const [component, thisPath] of Object.entries(components.subsystems)) {
52 // Prefix "core_" to the front of the subsystems.
53 componentData.subsystems[thisPath] = `core_${component}`;
54 componentData.pathList.push(process.cwd() + path.sep + thisPath);
58 // The list of components incldues the list of subsystems.
59 componentData.components = componentData.subsystems;
61 // Go through each of the plugintypes.
62 Object.entries(components.plugintypes).forEach(([pluginType, pluginTypePath]) => {
63 // We don't allow any code in this place..?
64 glob.sync(`${pluginTypePath}/*/version.php`).forEach(versionPath => {
65 const componentPath = fs.realpathSync(path.dirname(versionPath));
66 const componentName = path.basename(componentPath);
67 const frankenstyleName = `${pluginType}_${componentName}`;
68 componentData.components[`${pluginTypePath}/${componentName}`] = frankenstyleName;
69 componentData.pathList.push(componentPath);
71 // Look for any subplugins.
72 const subPluginConfigurationFile = `${componentPath}/db/subplugins.json`;
73 if (fs.existsSync(subPluginConfigurationFile)) {
74 const subpluginList = JSON.parse(fs.readFileSync(fs.realpathSync(subPluginConfigurationFile)));
76 Object.entries(subpluginList.plugintypes).forEach(([subpluginType, subpluginTypePath]) => {
77 glob.sync(`${subpluginTypePath}/*/version.php`).forEach(versionPath => {
78 const componentPath = fs.realpathSync(path.dirname(versionPath));
79 const componentName = path.basename(componentPath);
80 const frankenstyleName = `${subpluginType}_${componentName}`;
82 componentData.components[`${subpluginTypePath}/${componentName}`] = frankenstyleName;
83 componentData.pathList.push(componentPath);
96 * Get the list of paths to build AMD sources.
100 const getAmdSrcGlobList = () => {
102 fetchComponentData().pathList.forEach(componentPath => {
103 globList.push(`${componentPath}/amd/src/*.js`);
104 globList.push(`${componentPath}/amd/src/**/*.js`);
111 * Get the list of paths to build YUI sources.
113 * @param {String} relativeTo
116 const getYuiSrcGlobList = relativeTo => {
118 fetchComponentData().pathList.forEach(componentPath => {
119 const relativeComponentPath = componentPath.replace(relativeTo, '');
120 globList.push(`${relativeComponentPath}/yui/src/**/*.js`);
127 * Get the list of paths to thirdpartylibs.xml.
129 * @param {String} relativeTo
132 const getThirdPartyLibsList = relativeTo => {
133 const fs = require('fs');
134 const path = require('path');
136 return fetchComponentData().pathList
137 .map(componentPath => path.relative(relativeTo, componentPath) + '/thirdpartylibs.xml')
138 .map(componentPath => componentPath.replace(/\\/g, '/'))
139 .filter(path => fs.existsSync(path))
144 * Get the list of thirdparty library paths.
148 const getThirdPartyPaths = () => {
149 const DOMParser = require('xmldom').DOMParser;
150 const fs = require('fs');
151 const path = require('path');
152 const xpath = require('xpath');
154 const thirdpartyfiles = getThirdPartyLibsList(fs.realpathSync('./'));
155 const libs = ['node_modules/', 'vendor/'];
157 const addLibToList = lib => {
158 if (!lib.match('\\*') && fs.statSync(lib).isDirectory()) {
159 // Ensure trailing slash on dirs.
160 lib = lib.replace(/\/?$/, '/');
163 // Look for duplicate paths before adding to array.
164 if (libs.indexOf(lib) === -1) {
169 thirdpartyfiles.forEach(function(file) {
170 const dirname = path.dirname(file);
172 const xmlContent = fs.readFileSync(file, 'utf8');
173 const doc = new DOMParser().parseFromString(xmlContent);
174 const nodes = xpath.select("/libraries/library/location/text()", doc);
176 nodes.forEach(function(node) {
177 let lib = path.posix.join(dirname, node.toString());
188 * Find the name of the component matching the specified path.
190 * @param {String} path
191 * @returns {String|null} Name of matching component.
193 const getComponentFromPath = path => {
194 const componentList = fetchComponentData().components;
196 if (componentList.hasOwnProperty(path)) {
197 return componentList[path];
204 * Check whether the supplied path, relative to the Gruntfile.js, is in a known component.
206 * @param {String} checkPath The path to check. This can be with either Windows, or Linux directory separators.
207 * @returns {String|null}
209 const getOwningComponentDirectory = checkPath => {
210 const path = require('path');
212 // Fetch all components into a reverse sorted array.
213 // This ensures that components which are within the directory of another component match first.
214 const pathList = Object.keys(fetchComponentData().components).sort().reverse();
215 for (const componentPath of pathList) {
216 // If the componentPath is the directory being checked, it will be empty.
217 // If the componentPath is a parent of the directory being checked, the relative directory will not start with ..
218 if (!path.relative(componentPath, checkPath).startsWith('..')) {
219 return componentPath;
228 getComponentFromPath,
229 getOwningComponentDirectory,
231 getThirdPartyLibsList,