Iframe: compat styles: check for ownerNode === null #46932
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jameskoster
approved these changes
Jan 6, 2023
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Size Change: +6 B (0%) Total Size: 1.32 MB
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Flaky tests detected in 165896d. 🔍 Workflow run URL: https://github.com/WordPress/gutenberg/actions/runs/3854568478
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What?
When checking the ownerNode of a stylesheet, it may be null if the stylesheet was imported by another stylesheet. In that case we should return early.
See https://developer.mozilla.org/en-US/docs/Web/API/StyleSheet/ownerNode#notes.
Why?
Prevents an error.
How?
Testing Instructions
Testing Instructions for Keyboard
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