Report single error for invalid num seps in unicode escapes#14338
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nicolo-ribaudo merged 1 commit intobabel:mainfrom Mar 8, 2022
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nicolo-ribaudo
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Mar 8, 2022
| "errors": [ | ||
| "SyntaxError: Numeric separators are not allowed inside unicode escape sequences or hex escape sequences. (1:4)", | ||
| "SyntaxError: Numeric separators are not allowed inside unicode escape sequences or hex escape sequences. (1:5)", | ||
| "SyntaxError: Invalid Unicode escape. (1:0)" |
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The reason for this thirs error is that \uXXXX expects 4 characters after u, so it parses 00__ which is 0 and is an invalid character in variable names.
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Build successful! You can test your changes in the REPL here: https://babeljs.io/repl/build/51433/ |
existentialism
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Mar 8, 2022
JLHwung
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Before this PR, for
\u{_abcd}we would throw both that a number cannot have a leading_, and that they are disallowed in this position.