Prevent from running npm

package.json

@@ -13,6 +13,9 @@
   "bugs": {
     "url": "https://github.com/woocommerce/woocommerce/issues"
   },
+  "scripts": {
+    "preinstall": "npx only-allow pnpm"
+  },
   "devDependencies": {
     "@automattic/nx-composer": "^0.1.0",
     "@nrwl/cli": "latest",
@@ -37,4 +40,4 @@
     "lodash": "^4.17.21",
     "wp-textdomain": "1.0.1"
   }
-}
+}

plugins/woocommerce/package.json

@@ -14,6 +14,7 @@
   },
   "scripts": {
     "check:subset-installed": "pnpm list --depth 1 install-subset > /dev/null 2>&1",
+    "preinstall": "npx only-allow pnpm",
     "install:subset-only": "pnpm install --no-package-lock --no-save install-subset",
     "install:no-e2e": "pnpm run check:subset-installed --silent || pnpm run install:subset-only && pnpx install-subset i no-e2e",
     "build": "./bin/build-zip.sh",