common.js

@@ -22,27 +22,28 @@
 ********/

function Deferred(promise, request) {
   return {
      promise: promise,
      request: request,
   this.promise = promise;
   this.request = request;
}
Deferred.prototype = {
   promise: null,
   request: null,
      abort: function() {
         request.abort.bind(request);
         return Deferred(promise, request);
      this.request.abort.bind(this.request);
      return new Deferred(this.promise, this.request);
      },
      done: function(func) {
         return Deferred(promise.then(func), request);
      return new Deferred(this.promise.then(func), this.request);
      },
      fail: function(func) {
         return Deferred(promise.catch(func), request);
      return new Deferred(this.promise.catch(func), this.request);
      },
      always: function(func) {
         return Deferred(promise.finally(func), request);
      return new Deferred(this.promise.finally(func), this.request);
      },
   };
}

Deferred.all = function(iterable) {
   return Deferred(
   return new Deferred(
      Promise.all(
         iterable.map(x => x.promise)
      )
@@ -73,7 +74,7 @@
         request.open('GET', url, true);
         request.send();
      });
      return Deferred(promise, request);
      return new Deferred(promise, request);
   },
};