Ignore node & react from dependency check

Co-authored-by: Patrik Oldsberg <poldsberg@gmail.com>
Co-authored-by: blam <ben@blam.sh>
Co-authored-by: Fredrik Adelöw <freben@gmail.com>
Signed-off-by: Johan Haals <johan.haals@gmail.com>

.changeset/wet-buttons-dress.md

@@ -0,0 +1,5 @@
+---
+'@backstage/backend-common': patch
+---
+
+Add `@types/webpack-env` to dependencies.

packages/backend-common/package.json

@@ -47,6 +47,7 @@
     "@types/dockerode": "^3.3.0",
     "@types/express": "^4.17.6",
     "@types/luxon": "^2.0.4",
+    "@types/webpack-env": "^1.15.2",
     "archiver": "^5.0.2",
     "aws-sdk": "^2.840.0",
     "compression": "^1.7.4",

scripts/check-type-dependencies.js

@@ -79,7 +79,9 @@ function findAllDeps(declSrc) {
     .filter(n => !n.startsWith('.'));
   const referencedDeps = (declSrc.match(/types=".*"/g) || [])
     .map(match => match.replace(/types="(.*)"/, '$1'))
-    .filter(n => !n.startsWith('.'));
+    .filter(n => !n.startsWith('.'))
+    // We allow references to these without an explicit dependency.
+    .filter(n => !['node', 'react'].includes(n));
   return Array.from(new Set([...importedDeps, ...referencedDeps]));
 }