99 lines
2.1 KiB
JavaScript
99 lines
2.1 KiB
JavaScript
var define, requireModule, require, requirejs, hasModule;
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(function() {
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var registry = {}, seen = {}, state = {};
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var FAILED = false;
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define = function(name, deps, callback) {
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registry[name] = {
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deps: deps,
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callback: callback
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};
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};
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function reify(deps, name, seen) {
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var length = deps.length;
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var reified = new Array(length);
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var dep;
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var exports;
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for (var i = 0, l = length; i < l; i++) {
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dep = deps[i];
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if (dep === 'exports') {
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exports = reified[i] = seen;
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} else {
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reified[i] = require(resolve(dep, name));
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}
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}
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return {
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deps: reified,
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exports: exports
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};
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}
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hasModule = function(name){
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return !!registry[name];
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};
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requirejs = require = requireModule = function(name) {
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if (state[name] !== FAILED &&
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seen.hasOwnProperty(name)) {
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return seen[name];
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}
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if (!registry[name]) {
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throw new Error('Could not find module ' + name);
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}
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var mod = registry[name];
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var reified;
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var module;
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var loaded = false;
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seen[name] = { }; // placeholder for run-time cycles
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try {
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reified = reify(mod.deps, name, seen[name]);
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module = mod.callback.apply(this, reified.deps);
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loaded = true;
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} finally {
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if (!loaded) {
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state[name] = FAILED;
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}
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}
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return reified.exports ? seen[name] : (seen[name] = module);
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};
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function resolve(child, name) {
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if (child.charAt(0) !== '.') { return child; }
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var parts = child.split('/');
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var nameParts = name.split('/');
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var parentBase;
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if (nameParts.length === 1) {
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parentBase = nameParts;
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} else {
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parentBase = nameParts.slice(0, -1);
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}
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for (var i = 0, l = parts.length; i < l; i++) {
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var part = parts[i];
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if (part === '..') { parentBase.pop(); }
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else if (part === '.') { continue; }
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else { parentBase.push(part); }
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}
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return parentBase.join('/');
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}
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requirejs.entries = requirejs._eak_seen = registry;
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requirejs.clear = function(){
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requirejs.entries = requirejs._eak_seen = registry = {};
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seen = state = {};
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};
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})();
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