Feat: Type distinct() #54
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nicolassanmar
approved these changes
Oct 28, 2024
src/collection.assert.ts
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| type DistinctSampleType = { | ||
| _id: ObjectId | ||
| str: string | ||
| nested: { | ||
| field: number | ||
| } | ||
| } | ||
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| type TestCollection = TsReadWriteCollection< | ||
| DistinctSampleType & { writeOnly: boolean }, | ||
| DistinctSampleType & { readOnly: boolean } | ||
| > | ||
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| const distinctString = (c: TestCollection) => c.distinct('str', {}) | ||
| const distinctId = (c: TestCollection) => c.distinct('_id', {}) | ||
| const distinctNested = (c: TestCollection) => c.distinct('nested.field', {}) | ||
| const distinctReadOnly = (c: TestCollection) => c.distinct('readOnly', {}) | ||
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| ta.assert<ta.Equal<Awaited<ReturnType<typeof distinctString>>, string[]>>() | ||
| ta.assert<ta.Equal<Awaited<ReturnType<typeof distinctId>>, ObjectId[]>>() | ||
| ta.assert<ta.Equal<Awaited<ReturnType<typeof distinctNested>>, number[]>>() | ||
| ta.assert<ta.Equal<Awaited<ReturnType<typeof distinctReadOnly>>, boolean[]>>() | ||
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| // @ts-expect-error | ||
| const _distinctIncorrect = (c: TestCollection) => c.distinct('no', {}) | ||
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| // @ts-expect-error | ||
| const _distinctWriteOnly = (c: TestCollection) => c.distinct('writeOnly', {}) |
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Can we move this to a separate test file, collection.distinct.assert.ts? It does not share anything with the tests above, so it's easier to read in a separate file.
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Typing the
distinct()function to avoidanyas return type