Update __generators helper to match TS#24463 (#53)

Author: rbuckton

tslib.es6.js

@@ -73,8 +73,8 @@ export function __generator(thisArg, body) {
     function step(op) {
         if (f) throw new TypeError("Generator is already executing.");
         while (_) try {
-            if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
-            if (y = 0, t) op = [0, t.value];
+            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
+            if (y = 0, t) op = [op[0] & 2, t.value];
             switch (op[0]) {
                 case 0: case 1: t = op; break;
                 case 4: _.label++; return { value: op[1], done: false };

tslib.js

@@ -115,8 +115,8 @@ var __importDefault;
         function step(op) {
             if (f) throw new TypeError("Generator is already executing.");
             while (_) try {
-                if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
-                if (y = 0, t) op = [0, t.value];
+                if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
+                if (y = 0, t) op = [op[0] & 2, t.value];
                 switch (op[0]) {
                     case 0: case 1: t = op; break;
                     case 4: _.label++; return { value: op[1], done: false };