DeprecationWarning: The 'punycode' module is deprecated when running ng add @angular/fire #3649

DeprecationWarning: The 'punycode' module is deprecated when running ng add @angular/fire

Description:

When adding @angular/fire to a new Angular 19 application using the ng add @angular/fire schematic, a DeprecationWarning related to Node.js's punycode module is displayed.

Versions:

• Angular CLI: (Please specify, e.g., 19.x.x)
• Angular Core: (Please specify, e.g., 19.x.x)
• @angular/fire: (Please specify the version installed by ng add, check package.json)
• Node.js: (Please specify, e.g., v18.x.x, v20.x.x)
• firebase-tools: 14.2.2 (as per the log)

Steps to Reproduce:

1. Create a new Angular 19 application:

   ng new my-angular-app
   cd my-angular-app

2. Run the ng add @angular/fire schematic:

   ng add @angular/fire

3. During the installation and setup process, select the following Firebase features when prompted:
   • Authentication
   • Firestore
   • Realtime Database

Expected Behavior:

The ng add @angular/fire schematic should complete without displaying deprecation warnings related to Node.js modules.

Current Behavior:

During the execution of the schematic, after selecting Firebase features and while dependencies are being installed or files are being configured, the following warning appears in the console: