fix(build): fix generated code containing unprocessed class field syntax

fix #4052
fix vuejs/vue-cli#6562

diff --git a/tsconfig.json b/tsconfig.json
index cb22e063f38395e63eefe53b1a837a9ef863d363..506f4a07ad9f74cde075b33f8841944036f6e9e9 100644 (file)
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,7 +3,8 @@
     "baseUrl": ".",
     "outDir": "dist",
     "sourceMap": false,
-    "target": "esnext",
+    "target": "es2016",
+    "useDefineForClassFields": false,
     "module": "esnext",
     "moduleResolution": "node",
     "allowJs": false,