env variables get a space if space before &&

package.json

     "test": "echo \"Error: no test specified\" && exit 1",
     "build-elxr": "rollup index.js --format cjs --file elxr.js",
     "build": "rollup -c && rollup index.js --format cjs --file elxr.js",
-    "index": "SET FORCE_COLOR=true && node index",
+    "index": "SET FORCE_COLOR=true&& node index",
     "index_linux": "FORCE_COLOR=true node index"
   },
   "keywords": [],