[Feature request] support closed shadow DOM

[ghost]

System info

• Playwright Version: [v1.XX] 1.49
• Operating System: [All, Windows 11, Ubuntu 20, macOS 13.2, etc.] ubuntu 24.04
• Browser: [All, Chromium, Firefox, WebKit] chrome
• Other info:

Source code

• I provided exact source code that allows reproducing the issue locally.

Repo: fancy45daddy/shadowroot

Script: fancy45daddy/shadowroot/@main/play.mjs

Works with import * as playwright from 'playwright'
but not with import * as playwright from 'patchright'

Expected

the value in iframe input is bebo

Actual

the value in iframe input still placeholder

[kaliiiiiiiiii]

PW docs: https://playwright.dev/docs/locators#locate-in-shadow-dom

Closed-mode shadow roots are not supported.

Reference for implementation:
https://github.com/kaliiiiiiiiii/Selenium-Driverless/blob/ca333fd88b0b7722ac128e08deccbb5ffbd66b39/src/selenium_driverless/types/webelement.py#L237

[ramsestom]

Unless you completely rewritte the playwright engine, closed shadow DOM would never been supported by patchright as playwright uses some javascript (running at the page root level) for its Locator engine, which do not allow to enter closed shadow roots.
So I doubt this feature would be supported any day.

[kaliiiiiiiiii]

Unless you completely rewritte the playwright engine, closed shadow DOM would never been supported by patchright as playwright uses some javascript (running at the page root level) for its Locator engine, which do not allow to enter closed shadow roots. So I doubt this feature would be supported any day.

#28 (comment)
But yes, might be challenging to implement indeed.