chore(@vue/shared): add "sideEffects": false (#5480)

haoqunjiang · web-flow · commit 74d239caf711 · 2022-04-13T05:23:45.000-04:00
diff --git a/packages/shared/package.json b/packages/shared/package.json
@@ -9,6 +9,7 @@
     "index.js",
     "dist"
   ],
+  "sideEffects": false,
   "buildOptions": {
     "formats": [
       "esm-bundler",
