👷[build] improve core tree-shaking (#417)

https://webpack.js.org/guides/tree-shaking/#mark-the-file-as-side-effect-free
DataDog · Jun 4, 2020 · 94dc5a4 · 94dc5a4
1 parent 8e6e79e
commit 94dc5a4
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/packages/core/package.json b/packages/core/package.json
@@ -5,6 +5,7 @@
   "main": "cjs/index.js",
   "module": "esm/index.js",
   "types": "cjs/index.d.ts",
+  "sideEffects": false,
   "scripts": {
     "build": "run-p build:cjs build:esm",
     "build:cjs": "rm -rf cjs && tsc -p tsconfig.cjs.json",