third_party/es6-module-loader/loader.js
function(key) {
        if (!this._loader.modules[key])
          return;
        doEnsureEvaluated(this._loader.modules[key], [], this);
        return this._loader.modules[key].module;
      }
function(key) {
        if (!this._loader.modules[key])
          return;
        doEnsureEvaluated(this._loader.modules[key], [], this);
        return this._loader.modules[key].module;
      }
function ( key ) { if ( ! this . _loader . modules [ key ] ) return ; doEnsureEvaluated ( this . _loader . modules [ key ] , [ ] , this ) ; return this . _loader . modules [ key ] . module ; }
26.3.3.4 entries not implemented 26.3.3.5
26 . 3 . 3 . 4 entries not implemented 26 . 3 . 3 . 5