16 lines
440 B
TypeScript
16 lines
440 B
TypeScript
// inlined from https://github.com/EskiMojo14/uncheckedindexed
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// relies on remaining as a TS file, not .d.ts
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type IfMaybeUndefined<T, True, False> = [undefined] extends [T] ? True : False
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const testAccess = ({} as Record<string, 0>)['a']
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export type IfUncheckedIndexedAccess<True, False> = IfMaybeUndefined<
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typeof testAccess,
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True,
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False
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>
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export type UncheckedIndexedAccess<T> = IfUncheckedIndexedAccess<
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T | undefined,
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T
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>
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