Using Yarn

yarn add node-mac-sign-in-with-apple

Using NPM

npm install node-mac-sign-in-with-apple

Add to main process

import { signInWithApple } from 'node-mac-sign-in-with-apple';

ipcMain.on('sign-in-with-apple', async () => {
  const nativeWindow = mainWindow.getNativeWindowHandle();
  const data = await signInWithApple(nativeWindow);
})

Note: Only on first login Apple returns email and user name, on other requests Apple returns only idToken

Add to entitlements.plist

<key>com.apple.developer.applesignin</key>
<array>
  <string>Default</string>
</array>

The package is available as open source under the terms of the MIT License.