From 35f796d7837db94520322a37ec24d98c46da0b90 Mon Sep 17 00:00:00 2001 From: Eugene <63408919+eugene-mohc@users.noreply.github.com> Date: Fri, 14 Jul 2023 17:36:00 +0100 Subject: [PATCH] Return actual type instead of never --- source/index.ts | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/source/index.ts b/source/index.ts index 1788724..7312deb 100644 --- a/source/index.ts +++ b/source/index.ts @@ -384,7 +384,7 @@ is.oddInteger = isAbsoluteMod2(1); is.emptyArray = (value: unknown): value is never[] => is.array(value) && value.length === 0; -is.nonEmptyArray = (value: T | Item[]): value is (T extends Item[] ? [Item, ...Item[]] : never) => is.array(value) && value.length > 0; +is.nonEmptyArray = (value: T | Item[]): value is (T extends Item[] ? [Item, ...Item[]] : T) => is.array(value) && value.length > 0; is.emptyString = (value: unknown): value is '' => is.string(value) && value.length === 0; @@ -575,7 +575,7 @@ type Assert = { nodeStream: (value: unknown) => asserts value is NodeStream; infinite: (value: unknown) => asserts value is number; emptyArray: (value: unknown) => asserts value is never[]; - nonEmptyArray: (value: T | Item[]) => asserts value is (T extends Item[] ? [Item, ...Item[]] : never); + nonEmptyArray: (value: T | Item[]) => asserts value is (T extends Item[] ? [Item, ...Item[]] : T); emptyString: (value: unknown) => asserts value is ''; emptyStringOrWhitespace: (value: unknown) => asserts value is string; nonEmptyString: (value: unknown) => asserts value is string; @@ -681,7 +681,7 @@ export const assert: Assert = { nodeStream: (value: unknown): asserts value is NodeStream => assertType(is.nodeStream(value), AssertionTypeDescription.nodeStream, value), infinite: (value: unknown): asserts value is number => assertType(is.infinite(value), AssertionTypeDescription.infinite, value), emptyArray: (value: unknown): asserts value is never[] => assertType(is.emptyArray(value), AssertionTypeDescription.emptyArray, value), - nonEmptyArray: (value: T | Item[]): asserts value is (T extends Item[] ? [Item, ...Item[]] : never) => assertType(is.nonEmptyArray(value), AssertionTypeDescription.nonEmptyArray, value), + nonEmptyArray: (value: T | Item[]): asserts value is (T extends Item[] ? [Item, ...Item[]] : T) => assertType(is.nonEmptyArray(value), AssertionTypeDescription.nonEmptyArray, value), emptyString: (value: unknown): asserts value is '' => assertType(is.emptyString(value), AssertionTypeDescription.emptyString, value), emptyStringOrWhitespace: (value: unknown): asserts value is string => assertType(is.emptyStringOrWhitespace(value), AssertionTypeDescription.emptyStringOrWhitespace, value), nonEmptyString: (value: unknown): asserts value is string => assertType(is.nonEmptyString(value), AssertionTypeDescription.nonEmptyString, value),