Try building @parcel/watcher from source

Author: alexslavr

e2e/bundlers/project.json

@@ -51,7 +51,11 @@
       "executor": "nx:run-commands",
       "options": {
         "cwd": "{projectRoot}",
-        "command": "parcel build ./entry/modules_esm.js --no-cache --dist-dir ./dist/dist_parsel"
+        "commands": [
+          "cross-env npm_config_build_from_source=true && pnpm rebuild --recursive @parcel/watcher",
+          "parcel build ./entry/modules_esm.js --no-cache --dist-dir ./dist/dist_parsel"
+        ],
+        "parallel": false
       },
       "dependsOn": ["build"]
     },
@@ -72,4 +76,4 @@
       "dependsOn": ["build"]
     }
   }
-}
+}