discourse/vendor/assets/javascripts/loader.js

95 lines
2.0 KiB
JavaScript

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