Turn on key spread warning in jsx-runtime for everyone #25697
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This should suggest that the key is put first, not last.
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Comparing: e1dd0a2...92daf55 Critical size changesIncludes critical production bundles, as well as any change greater than 2%: Significant size changesIncludes any change greater than 0.2%: Expand to show
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gaearon
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Nov 16, 2022
gaearon
reviewed
Nov 16, 2022
| 'Explicitly pass a key after spreading props in your JSX call. ' + | ||
| 'E.g. <Child {...props} key={key} />', | ||
| 'Warning: An props object containing a "key" prop is being spread into JSX:\n' + | ||
| ' let props = {key: ...};\n' + |
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Let's do key: someKey to avoid using ... both as syntax and a placeholder?
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It's a non-trivial change in the code but I'll try.
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Well, maybe it doesn't make sense. Because it still writes out the other properties with ....
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I put the key in the front even if that's not the regular order and kept ... for other props.
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This improves the error message a bit and ensures that we recommend putting the key first, not last, which ensures that the faster
jsx-runtimeis used.This only affects the modern "automatic" JSX transform.