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Make ResolveTypesOfTypeGuardsTuple more readable

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Tal Mac 2023-07-23 14:55:39 +03:00
parent fb7acd87c6
commit 0fee49d171
1 changed files with 6 additions and 1 deletions
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7
source/index.ts
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@ -329,7 +329,12 @@ is.arrayLike = <T = unknown>(value: unknown): value is ArrayLike<T> => !is.nullO
type TypeGuard<T> = (value: unknown) => value is T;
// eslint-disable-next-line @typescript-eslint/ban-types
type ResolveTypesOfTypeGuardsTuple<TypeGuardsOfT, ResultOfT extends unknown[] = [] > = TypeGuardsOfT extends [TypeGuard<infer U>, ...infer TOthers] ? ResolveTypesOfTypeGuardsTuple<TOthers, [...ResultOfT, U]> : TypeGuardsOfT extends undefined[] ? ResultOfT : never;
type ResolveTypesOfTypeGuardsTuple<TypeGuardsOfT, ResultOfT extends unknown[] = [] > =
TypeGuardsOfT extends [TypeGuard<infer U>, ...infer TOthers]
? ResolveTypesOfTypeGuardsTuple<TOthers, [...ResultOfT, U]>
: TypeGuardsOfT extends undefined[]
? ResultOfT
: never;
is.tupleLike = <T extends Array<TypeGuard<unknown>>>(value: unknown, guards: [...T]): value is ResolveTypesOfTypeGuardsTuple<T> => {
if (is.array(guards) && is.array(value) && guards.length === value.length) {