snippet.js

RESOLVE = function() {
	var seen = {};
	var resolved = {};
	var aui_mods = YUI.AUI_config.groups.alloy.modules;
	var yui_mods = YUI.Env[YUI().version].modules;

	var A = AUI();
	var all_mods = A.merge(aui_mods, yui_mods);
	var mods = all_mods;
	// var mods = aui_mods;
	for (var i in mods) {
		var subs = mods[i].submodules;
		if (subs) {
			for (var j in subs) {
				var reqs = subs[j].requires;
				var subm = {};
				mods[j] = subm;

				if (reqs) {
					submreqs = [];
					subm.requires = submreqs;
					for (var k = 0; k < reqs.length; k++) {
						submreqs[k] = reqs[k];
					}
				}
			}
		}
	}

	var resolve_dep = function(name, mods) {
		var mod = mods[name];
		if (!mod) {
			console.info('no module found for: ', name);
			return;
		}
		var requires = mod.requires;
		var use = mod.use;
		var sub;
		seen[name] = true;

		if (requires && requires.length) {
			for (var i = 0; i < requires.length; i++) {
				sub = requires[i];
				if (!(sub in mods)) {
					continue;
				}
				if (!(sub in resolved)) {
					if (sub in seen) {
						console.warn('REQUIRES: module: %s%a, submodule: %s%a', name, mod.requires, sub, mods[sub].requires);
						throw 'Circular dependency: ' + sub + ' -> ' + name;
					}

					resolve_dep(sub, mods);
				}
			}
		}

		if (use && use.length) {
			for (var i = 0; i < use.length; i++) {
				sub = use[i];
				if (!(sub in mods)) {
					continue;
				}
				if (!(sub in resolved)) {
					if (sub in seen) {
						console.info('USE', 'Circular dependency: ' + sub + ' -> ' + name, mod, mods[sub].requires);
					}

					// resolve_dep(sub, mods);
				}
			}
		}

		resolved[name] = true;
	};

	for (var i in mods) {
		resolve_dep(i, mods);
	}

	return resolved;
};