Add script for testing bundle hash consistency

.github/workflows/ci.yaml

@@ -52,6 +52,9 @@ jobs:
     - run: npm run build
       working-directory: ./authui
       if: ${{ !cancelled() }}
+    - run: ./check-bundle-consistency.sh
+      working-directory: ./authui
+      if: ${{ !cancelled() }}
 
   portal-test:
     if: ${{ github.repository != 'oursky/authgear-server' }}

authui/check-bundle-consistency.sh

@@ -0,0 +1,54 @@
+#!/bin/sh
+
+# This script is used to test whether the built bundles are having the same hash over several builds
+
+N=5
+MANIFEST_LOCATION=../resources/authgear/generated/manifest.json
+TEMP_DIR=$(mktemp -d)
+
+if [ $N -lt 2 ]; then
+  echo "[ERROR] The build number must be greater than 1"
+  exit 1
+fi
+
+build_bundles()
+{
+  for i in $(seq 1 $N)
+  do
+    echo "[INFO] Build no.$i"
+
+    # Clear vite cache before building bundles
+    rm -rf node_modules/.vite > /dev/null 2>&1
+    npm run build > /dev/null 2>&1
+
+    python3 -m json.tool --sort-keys --no-ensure-ascii --indent 2 <$MANIFEST_LOCATION >$TEMP_DIR/$i.json
+  done
+}
+
+compare_bundles()
+{
+  echo "[INFO] Comparing $i builds..."
+
+  for j in $(seq 2 $N)
+  do
+    diff $TEMP_DIR/1.json $TEMP_DIR/$j.json
+    # Used to check the error code
+    V=$?
+    if [ $V -eq 1 ];then
+      echo "[ERROR] Build hashes are not identical"
+      exit $V
+    fi
+  done
+
+  echo "[INFO] Everything works fine, Bye!"
+}
+
+main()
+{
+  build_bundles
+  compare_bundles
+}
+
+echo "[INFO] Start of script"
+main
+echo "[INFO] End of script"