fix(sideEffects): add *.css

packages/background/package.json

@@ -17,7 +17,9 @@
   "main": "dist/umd/index.js",
   "module": "dist/esm/index.js",
   "types": "dist/esm/index.d.ts",
-  "sideEffects": false,
+  "sideEffects": [
+    "*.css"
+  ],
   "scripts": {
     "dev": "rollup --config node:@reactflow/rollup-config --watch",
     "build": "rollup --config node:@reactflow/rollup-config --environment NODE_ENV:production",

packages/controls/package.json

@@ -17,7 +17,9 @@
   "main": "dist/umd/index.js",
   "module": "dist/esm/index.js",
   "types": "dist/esm/index.d.ts",
-  "sideEffects": false,
+  "sideEffects": [
+    "*.css"
+  ],
   "license": "MIT",
   "repository": {
     "type": "git",

packages/core/package.json

@@ -17,7 +17,9 @@
   "main": "dist/umd/index.js",
   "module": "dist/esm/index.js",
   "types": "dist/esm/index.d.ts",
-  "sideEffects": false,
+  "sideEffects": [
+    "*.css"
+  ],
   "license": "MIT",
   "publishConfig": {
     "access": "public"

packages/minimap/package.json

@@ -17,7 +17,9 @@
   "main": "dist/umd/index.js",
   "module": "dist/esm/index.js",
   "types": "dist/esm/index.d.ts",
-  "sideEffects": false,
+  "sideEffects": [
+    "*.css"
+  ],
   "publishConfig": {
     "access": "public"
   },