25 lines
2.3 KiB
Plaintext
25 lines
2.3 KiB
Plaintext
import type { TSchema } from '../schema/index';
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import { type ZeroString, type UnionToTuple, type TIncrement } from '../helpers/index';
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import type { TRecursive } from '../recursive/index';
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import type { TIntersect } from '../intersect/index';
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import type { TUnion } from '../union/index';
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import type { TTuple } from '../tuple/index';
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import type { TArray } from '../array/index';
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import type { TObject, TProperties } from '../object/index';
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import { type TSetUnionMany, type TSetIntersectMany } from '../sets/index';
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type TFromRest<Types extends TSchema[], Result extends PropertyKey[][] = []> = (Types extends [infer L extends TSchema, ...infer R extends TSchema[]] ? TFromRest<R, [...Result, TKeyOfPropertyKeys<L>]> : Result);
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type TFromIntersect<Types extends TSchema[], PropertyKeysArray extends PropertyKey[][] = TFromRest<Types>, PropertyKeys extends PropertyKey[] = TSetUnionMany<PropertyKeysArray>> = PropertyKeys;
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type TFromUnion<Types extends TSchema[], PropertyKeysArray extends PropertyKey[][] = TFromRest<Types>, PropertyKeys extends PropertyKey[] = TSetIntersectMany<PropertyKeysArray>> = PropertyKeys;
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type TFromTuple<Types extends TSchema[], Indexer extends string = ZeroString, Acc extends PropertyKey[] = []> = Types extends [infer _ extends TSchema, ...infer R extends TSchema[]] ? TFromTuple<R, TIncrement<Indexer>, [...Acc, Indexer]> : Acc;
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type TFromArray<_ extends TSchema> = ([
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'[number]'
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]);
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type TFromProperties<Properties extends TProperties> = (UnionToTuple<keyof Properties>);
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export type TKeyOfPropertyKeys<Type extends TSchema> = (Type extends TRecursive<infer Type extends TSchema> ? TKeyOfPropertyKeys<Type> : Type extends TIntersect<infer Types extends TSchema[]> ? TFromIntersect<Types> : Type extends TUnion<infer Types extends TSchema[]> ? TFromUnion<Types> : Type extends TTuple<infer Types extends TSchema[]> ? TFromTuple<Types> : Type extends TArray<infer Type extends TSchema> ? TFromArray<Type> : Type extends TObject<infer Properties extends TProperties> ? TFromProperties<Properties> : [
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]);
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/** Returns a tuple of PropertyKeys derived from the given TSchema. */
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export declare function KeyOfPropertyKeys<Type extends TSchema>(type: Type): TKeyOfPropertyKeys<Type>;
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/** Returns a regular expression pattern derived from the given TSchema */
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export declare function KeyOfPattern(schema: TSchema): string;
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export {};
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