54 lines
1.3 KiB
TypeScript
54 lines
1.3 KiB
TypeScript
import { Expect } from './assert'
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import { Type, Static } from '@sinclair/typebox'
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{
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const A = Type.Object({
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A: Type.String(),
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B: Type.String(),
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})
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const B = Type.Object({
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X: Type.Number(),
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Y: Type.Number(),
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})
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const T = Type.Intersect([A, B])
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Expect(T).ToStatic<
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{
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A: string
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B: string
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} & {
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X: number
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Y: number
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}
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>()
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}
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{
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const A = Type.Object({
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A: Type.Optional(Type.String()),
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})
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const B = Type.Object({
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B: Type.String(),
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})
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const T = Type.Intersect([A, B])
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Expect(T).ToStatic<{ A?: string | undefined } & { B: string }>()
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}
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// https://github.com/sinclairzx81/typebox/issues/113
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// https://github.com/sinclairzx81/typebox/issues/187
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{
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const A = Type.Object({ A: Type.String() })
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const B = Type.Object({ B: Type.String() })
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const C = Type.Object({ C: Type.String() })
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const T = Type.Intersect([A, Type.Union([B, C])])
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type T = Static<typeof T>
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const _0: T = { A: '', B: '' }
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const _1: T = { A: '', C: '' }
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const _3: T = { A: '', B: '', C: '' }
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// invert equivelence (expect true both cases)
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type T1 = T extends { A: string } & ({ B: string } | { C: string }) ? true : false
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type T2 = { A: string } & ({ B: string } | { C: string }) extends T ? true : false
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Expect(T).ToStatic<{ A: string } & ({ B: string } | { C: string })>() // solved!
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}
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