Function define

test/lib/simpleRequire.js:155–181

(modId, depsIds, factory)

    // Simplify the logic. don't support id.
    function define(modId, depsIds, factory) {
        if (factory == null) {
            // define(function () {});
            if (depsIds == null) {
                factory = modId;
                modId = null;
            }
            else {
                // define('modId', function () {});
                factory = depsIds;
                depsIds = null;
                // define(['depsId'], function () {});
                if (modId instanceof Array) {
                    depsIds = modId;
                    modId = null;
                }
            }
        }

        if (modId) {
            mods[modId] = invokeFactory(factory, loadDeps(depsIds));
        }
        else {
            currentDefinedFactory = factory;
            currentDefinedDeps = loadDeps(depsIds || []);
        }
    }

    function loadMod(modId) {
        if (!mods[modId]) {