ace/support/requireJS-node.js
2010-12-14 11:47:52 +01:00

79 lines
2.3 KiB
JavaScript

var path = require("path");
var currentModule, defaultCompile = module.constructor.prototype._compile;
//console.log(module.id);
module.constructor.prototype._compile = function(content, filename){
currentModule = this;
try{
return defaultCompile.call(this, content, filename);
}
finally {
currentModule = null;
}
};
var requireModule = module;
global.define = function (id, injects, factory) {
if (currentModule == null) {
throw new Error("define() may only be called during module factory instantiation");
}
var module = currentModule;
var req = function(relativeId) {
if (relativeId.charAt(0) === '.') {
var rootPath = path.dirname(path.dirname(requireModule.filename)) + "/",
absolutePath = path.dirname(module.filename) + "/" + relativeId;
relativeId = "../" + absolutePath.match(new RegExp(rootPath + "(.*)"))[1];
}
return require(relativeId);
};
if (!factory) {
// two or less arguments
factory = injects;
if (factory) {
// two args
if (typeof id === "string") {
if (id !== module.id) {
throw new Error("Can not assign module to a different id than the current file");
}
// default injects
injects = [];
}
else{
// anonymous, deps included
injects = id;
}
}
else {
// only one arg, just the factory
factory = id;
injects = [];
}
}
injects.unshift("require", "exports", "module");
id = module.id;
if (typeof factory !== "function"){
// we can just provide a plain object
return module.exports = factory;
}
var returned = factory.apply(module.exports, injects.map(function (injection) {
switch (injection) {
// check for CommonJS injection variables
case "require": return req;
case "exports": return module.exports;
case "module": return module;
default:
// a module dependency
return req(injection);
}
}));
if(returned){
// since AMD encapsulates a function/callback, it can allow the factory to return the exports.
module.exports = returned;
}
};