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Web component library maintainers, how do you intend for your users to write tests in React with your components? It feels like shadow roots pose a big challenge. I’m wondering if we might need to develop some kind of test harness to abstract the shadow DOM away.

Michael Warren

@michaelwarren.dev

i expose certain internal dom elements needed for tests and exception configuration. i call them “internal access props”. they return a dom element instead of another primitive. i expect consumers use those because shadow dom spelunking is brittle af.

8/3/25, 3:30 pm0 reposts1 like

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