feat: added function to re-use an existing WhatsApp page/tab if already exists.

[emwadde]

…en connected to an existing browser session with DevTool protocol

feat: re-used existing WhatsApp tab/page when connected to external browser session

Description

Adds a function to check if a page already existing when connected to an external browser session
Modified the initialize function to re-use the existing page when connected to external browser session. If no existing page is found, then a new page is created

Testing Summary

Test Details

Environment

• Machine OS: Ubuntu 26.04

• Phone OS:

• Library Version: 1.34.7

• WhatsApp Web Version: 2.3000.1040506012

• Browser Type and Version: Chrome/148

• Node Version: v24.15.0

Type of Change

• Dependency change (package changes such as removals, upgrades, or additions)
• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Non-code change (documentation, README, etc.)

Checklist

• My code follows the style guidelines of this project.
• All new and existing tests pass (npm test).
• Typings (e.g. index.d.ts) have been updated if necessary.
• Usage examples (e.g. example.js) / documentation have been updated if applicable.