feat(feedback): Add setTheme() to dynamically update feedback widget color scheme#19430
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feat(feedback): Add setTheme() to dynamically update feedback widget color scheme#19430
setTheme() to dynamically update feedback widget color scheme#19430Conversation
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size-limit report 📦
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node-overhead report 🧳Note: This is a synthetic benchmark with a minimal express app and does not necessarily reflect the real-world performance impact in an application.
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ryan953
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Feb 19, 2026
| setTheme(colorScheme: 'light' | 'dark' | 'system'): void { | ||
| _options.colorScheme = colorScheme; | ||
| if (_shadow) { | ||
| const existingStyle = _shadow.querySelector('style'); |
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careful with this! i think multiple styles can be added into the shadow root, base stuff for the button, and then more and more as the modal gets opened
edit: yeah checkout this: https://github.com/getsentry/sentry-javascript/blob/develop/packages/feedback/src/modal/integration.tsx#L39-L44 it's a 2nd <style> inserted
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Fixed by storing a direct reference to the main style element (_mainStyle) when it's created in _createShadow, instead of relying on querySelector('style'). Would this work?
ryan953
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Feb 20, 2026
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nice. I kinda want to use this on all my test apps with feedback now too
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Adds a
setTheme(colorScheme: 'light' | 'dark' | 'system')method to the feedback integration, allowing applications to update the widget's color scheme at runtime without re-initializing the integration.closes #19257