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LiteralPropertyName should allow BigIntLiteral #10955

Merged
merged 3 commits into from Jan 7, 2020
Merged

LiteralPropertyName should allow BigIntLiteral #10955

merged 3 commits into from Jan 7, 2020

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JLHwung
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@JLHwung JLHwung commented Jan 3, 2020 •
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Q                       A
Fixed Issues? LiteralPropertyName does not allow BigIntLiteral
Patch: Bug Fix? Yes
Tests Added + Pass? Yes
License MIT

Tracing through the spec:

LiteralPropertyName => NumericLiteral => DecimalBigIntegerLiteral
LiteralPropertyName => NumericLiteral => NonDecimalIntegerLiteral BigIntLiteralSuffix

Related:
tc39/test262#2457
https://bugs.chromium.org/p/v8/issues/detail?id=10083

CI is red due to

@JLHwung JLHwung added PR: Spec Compliance 👓 A type of pull request used for our changelog categories Spec: BigInt pkg: parser labels Jan 3, 2020
@nicolo-ribaudo
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You can run make test-typescript-update-whitelist

nicolo-ribaudo
nicolo-ribaudo approved these changes Jan 4, 2020
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FWIW, I don't like this 🙃

@JLHwung
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JLHwung commented Jan 4, 2020

Yeah we can always revert the whitelist when TypeScript fixed this issue.

@nicolo-ribaudo
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Oh, I meant the fact that JS allows bigints as property names 😂

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JLHwung commented Jan 4, 2020

@nicolo-ribaudo Well it has been staged 4, so 🤷‍♂️

kaicataldo
kaicataldo approved these changes Jan 6, 2020
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Huh, yeah, curious what the reasoning behind allowing this is. I guess since BigInts can already be values, it's not really making it harder to serialize objects.

@JLHwung JLHwung merged commit 8fd532d into babel:master Jan 7, 2020
@JLHwung JLHwung deleted the property-name-should-allow-bigint-literal branch January 7, 2020 15:23
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@existentialism existentialism existentialism approved these changes

@nicolo-ribaudo nicolo-ribaudo nicolo-ribaudo approved these changes

@kaicataldo kaicataldo kaicataldo approved these changes

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