Add test for runtime errors for desktop app $233

- Address Electron main process error due to ES Modules. (Related issues:
  nklayman/vue-cli-plugin-electron-builder$1622,
  electron/electron$21457,
  electron/asar$249)
- Add GitHub workflow to verify Electron builds across macOS, Ubuntu, and Windows.
- Update README with new workflow status badge.
- Add automation script for build, execution, and error verification of Electron distributions.

add checks to ensure desktop app runs

.github/workflows/checks.desktop-runtime-errors.yaml

@@ -0,0 +1,68 @@
+name: checks.desktop-runtime-errors
+# Verifies desktop builds for Electron applications across multiple OS platforms (macOS ,Ubuntu, and Windows).
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  build-desktop:
+    strategy:
+      matrix:
+        os: [ macos, ubuntu, windows ]
+      fail-fast: false # Allows to see results from other combinations
+    runs-on: ${{ matrix.os }}-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Setup node
+        uses: ./.github/actions/setup-node
+      -
+        name: Configure Ubuntu
+        if: matrix.os == 'ubuntu'
+        run: |-
+          sudo apt update
+
+          # Configure AppImage dependencies
+          sudo apt install -y libfuse2
+
+          # Configure DBUS (fixes `Failed to connect to the bus: Could not parse server address: Unknown address type`)
+           if ! command -v dbus-launch &> /dev/null; then
+            echo 'DBUS does not exist, installing...'
+            sudo apt install -y dbus-x11 # Gives both dbus and dbus-launch utility
+          fi
+          sudo systemctl start dbus
+          DBUS_LAUNCH_OUTPUT=$(dbus-launch)
+          if [ $? -eq 0 ]; then
+            echo "${DBUS_LAUNCH_OUTPUT}" >> $GITHUB_ENV
+          else
+            echo 'Error: dbus-launch command did not execute successfully. Exiting.' >&2
+            echo "${DBUS_LAUNCH_OUTPUT}" >&2
+            exit 1
+          fi
+
+          # Configure fake (virtual) display
+          sudo apt install -y xvfb
+          sudo Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 &
+          echo "DISPLAY=:99" >> $GITHUB_ENV
+
+          # Install ImageMagick for screenshots
+          sudo apt install -y imagemagick
+      -
+        name: Configure macOS
+        if: matrix.os == 'macos'
+        # Disable Gatekeeper as Electron app isn't signed and notarized
+        run: sudo spctl --master-disable
+      -
+        name: Test
+        run: |-
+          node scripts/check-desktop-runtime-errors.js --screenshot
+      -
+        name: Upload screenshot
+        if: always() # Run even if previous step fails
+        uses: actions/upload-artifact@v3
+        with:
+          name: screenshot-${{ matrix.os }}
+          path: screenshot.png

README.md

@@ -70,6 +70,12 @@
       src="https://github.com/undergroundwires/privacy.sexy/workflows/build-checks/badge.svg"
     />
   </a>
+  <a href="https://github.com/undergroundwires/privacy.sexy/actions/workflows/checks.desktop-runtime-errors.yaml" target="_blank" rel="noopener noreferrer">
+    <img
+      alt="Status of runtime error checks for the desktop application"
+      src="https://github.com/undergroundwires/privacy.sexy/workflows/checks.desktop-runtime-errors/badge.svg"
+    />
+  </a>
   <!-- Release -->
   <br />
   <a href="https://github.com/undergroundwires/privacy.sexy/actions/workflows/release.git.yaml" target="_blank" rel="noopener noreferrer">