Disallow decorator in array pattern #17159
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JLHwung
commented
Mar 2, 2025
| @@ -0,0 +1 @@ | |||
| var [@foo foo ] = foo; | |||
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For stage 3 decorators, currently Babel throws a recoverable error message "Decorators cannot be used to decorate parameters.", which is quite confusing. Here we throw an unrecoverable error since we already do that for object patterns.
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liuxingbaoyu
approved these changes
Mar 2, 2025
nicolo-ribaudo
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Mar 2, 2025
laine-hallot
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Mar 31, 2025
* type cleanup * fix: disallow decorator in array pattern * copy test cases to stage 3 decorators * rename parseAssignableListItem to parseBindingElement * incorrect test setup
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var [@foo foo ] = foo;as decorator within an array pattern, which is not allowed.Spot this issue when browsing through the
lvalimplementation.