context.js

/*global Arenite:true*/

Arenite.Context = function (arenite) {
  var registry = {};
  var factories = {};
  var factory_id = 1;

  var _addInstance = function (name, instance, factory) {
    if (factory) {
      factories[name] = instance;
    } else {
      registry[name] = instance;
    }
  };

  var _removeInstance = function (name) {
    registry.deleteInPath(name);
  };

  var _getInstance = function (name) {
    if (factories.hasOwnProperty(name)) {
      var tempId = '__factory_instance_' + name + '__' + factory_id++;
      var tempContext = {};
      tempContext[tempId] = factories[name].fuseWith({factory: false});
      arenite.di.wire(tempContext);
      var instance = registry[tempId];
      _removeInstance(tempId);
      return instance;
    } else {
      return registry[name];
    }
  };

  /* AMD methods declaration so we can capture the libs that support it */
  window.require = _getInstance;
  window.define = function (name, deps, callback) {
    while (!Array.isArray(deps)) {
      callback = deps;
      deps = typeof name === 'function' || Array.isArray(name) ? name : [];
      name = typeof name === 'string' ? name : undefined;
    }

    var resolvedDeps = [];
    deps.forEach(function (dep) {
      if (dep === 'exports') { //reserved name for Simplified CommonJS wrapper
        resolvedDeps.push({});
      } else if (dep === 'require') { //reserved name for Simplified CommonJS wrapper
        resolvedDeps.push(_getInstance);
      } else {
        resolvedDeps.push(_getInstance(dep));
      }
    });
    var result = callback.apply(window, resolvedDeps);
    if (!name) {
      try {
        throw new Error();
      } catch (e) {
        var reg = /([^\/]+?)(\.min)*\.js[:\d]+\)*$/gm;
        if (reg.exec(e.stack)) {
          var candidates = reg.exec(e.stack);
          if (candidates.length > 1) {
            name = candidates[1];
          }
        }
      }
    }
    if (name) {
      _addInstance(name, result);
    }
  };
  window.define.amd = {
    jQuery: true
  };

  return {
    context: {

      get: _getInstance,

      add: _addInstance,

      remove: _removeInstance
    }
  };
};