Step 15.3: We need to set downlevelIteration or target es6 in order to use Sets

darkbasic · darkbasic · commit a953d7064497 · 2017-10-16T17:49:53.000+02:00
diff --git a/tsconfig.json b/tsconfig.json
@@ -5,6 +5,7 @@
     "declaration": false,
     "emitDecoratorMetadata": true,
     "experimentalDecorators": true,
+    "downlevelIteration": true,
     "lib": [
       "dom",
       "es2015",
