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Extended unicode escapes in identifiers are not parsed #32717

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weswigham opened this issue Aug 5, 2019 · 3 comments

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Bug

Member

weswigham commented Aug 5, 2019 •

edited

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TypeScript Version: 3.4.0-dev.201xxxxx

Search Terms:

Code

const x\u{0061} = 12;

Expected behavior:
No error

Actual behavior:
Many errors.

Playground Link:

IdentifierPart is defined to accept \UnicodeEscapeSequence which is defined as both normal and extended unicode escapes - right now we only handle normal (\u0061) and not extended (\u{0061}) escapes.

The text was updated successfully, but these errors were encountered:

Member Author

weswigham commented Aug 5, 2019

cc @rbuckton is this just an oversight in our scanIdentifierParts function? Or perhaps a more recent change to ecma262?

weswigham added the Bug label

Contributor

ajafff commented Aug 5, 2019

duplicate of #5291?

Member Author

weswigham commented Aug 5, 2019

So it is.

weswigham closed this as completed

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