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Code Issues Releases Activity

fix(types): handle readonly array correctly (#3172)

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m-shaka 2024-07-22 11:22:11 +09:00 committed by GitHub
parent a285c4b3b4
commit bb14b1e5ba
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2 changed files with 7 additions and 0 deletions
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5
src/utils/types.test.ts
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@ -101,6 +101,11 @@ describe('JSONParsed', () => {
type Expected = (number | null)[]
expectTypeOf<Actual>().toEqualTypeOf<Expected>()
})
it('should convert { key: readonly T[]} correctly', () => {
type Actual = JSONParsed<{ key: readonly number[] }>
type Expected = { key: readonly number[] }
expectTypeOf<Actual>().toEqualTypeOf<Expected>()
})
})
describe('tuple', () => {

2
src/utils/types.ts
View File

@ -56,6 +56,8 @@ export type JSONParsed<T> = T extends { toJSON(): infer J }
? [JSONParsed<InvalidToNull<R>>, ...JSONParsed<U>]
: T extends Array<infer U>
? Array<JSONParsed<InvalidToNull<U>>>
: T extends ReadonlyArray<infer U>
? ReadonlyArray<JSONParsed<InvalidToNull<U>>>
: T extends Set<unknown> | Map<unknown, unknown>
? {}
: T extends object