chore: update tsc target

LeuisKen · LeuisKen · commit aed1ad4580e6 · 2019-08-30T14:15:37.000Z
- update tsc target to "es2017" according to microsoft#8005 Change-Id: Id39241d89ccb92c25a75d89addaf1528cc79ec59
diff --git a/src/tsconfig.json b/src/tsconfig.json
@@ -5,7 +5,7 @@
 		"preserveConstEnums": true,
 		"sourceMap": false,
 		"outDir": "../out",
-		"target": "es6",
+		"target": "es2017",
 		"lib": [
 			"dom",
 			"es5",
