lilacs/util/get_all_in_css_modules.js

A web frontend building tool for teamwork, with automaticly compiling, merging, minifying, syncing files to server, supporting distributed servers, ensuring css or html files' inline reference with correct absolute path, and more.

var _ = require('lodash');

/**
 * get all in-css modules
 *
 * @param modules
 * @param options
 * @returns {*}
 */
module.exports = (modules, options) => {

    /**
     * in-css config and path, deps
     * @type {*|{}}
     */
    var config = options || {};
    var configPaths = config.paths || {};
    var configDeps = config.deps || {};

    /**
     * ultimate result
     * @type {[]}
     */
    var ultimateModules = [];
    /**
     * dependencies
     *
     * example: moduleName -> deps(array)
     *
     * @type {{}}
     */
    var moduleDeps = {};
    /**
     * find module dependency record
     * @type {Array}
     */
    var foundModules = [];
    /**
     * get module list record
     *
     * @type {Array}
     */
    var loadedModules = [];

    /**
     * get all module dependencies
     * @param name
     */
    var getDependencies = (name) => {
        if (foundModules.indexOf(name) != -1) return;

        foundModules.push(name);

        var currentDep = configDeps[name] || [];
        !Array.isArray(currentDep) && (currentDep = [currentDep]);

        moduleDeps[name] = currentDep;

        currentDep.forEach((subName) => {
            getDependencies(subName);
        });
    };

    /**
     * load module
     * @param name
     */
    var loadModule = (name) => {
        if (loadedModules.indexOf(name) != -1) return;

        loadedModules.push(name);

        var deps = moduleDeps[name] || [];
        deps.length && deps.forEach((subName) => {
            loadModule(subName);
        });

        var realName = configPaths[name] ? configPaths[name] : name;
        if (ultimateModules.indexOf(realName) === -1) {
            ultimateModules.push(realName);
        }
    };

    modules.forEach((name) => {
        if (typeof name != 'string') {
            throw new Error('module ' + name + ' is not a valid in-css module name.');
        }
        getDependencies(name);
        loadModule(name);
    });

    return ultimateModules;
};