23 lines
749 B
TypeScript
23 lines
749 B
TypeScript
import {ReflectionFunction, stringifyType, typeOf} from '@deepkit/type'
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import type {Dependencies, Signature, Signatures, OneType} from '../interfaces/type.js'
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interface LocalSignatures<T> {
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one: (a: T) => OneType<T>
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}
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export const square =
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<T>(dep: Dependencies<'multiply', T>): Signature<'square', T> =>
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z => dep.multiply(z, z)
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const sqRefl = ReflectionFunction.from(square)
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console.log(
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' For generic square I know that:',
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sqRefl,
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sqRefl.getParameterNames(),
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sqRefl.getParameterType('dep'),
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"\n final dep type:",
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stringifyType(sqRefl.getParameterType('dep')))
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console.log(' because', typeOf<LocalSignatures<number>['one']>())
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console.log(' readable:', stringifyType(typeOf<LocalSignatures<number>['one']>()))
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