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Fix passing in assertion message to assertArray (#210)

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Co-authored-by: Sindre Sorhus <sindresorhus@gmail.com>
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Martin Eneqvist 2024-09-06 17:52:56 +02:00 • committed by GitHub
parent ab85d9bca9
commit 5565c5e3ba
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2 changed files with 9 additions and 3 deletions
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8
source/index.ts
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@ -1143,14 +1143,16 @@ export function assertAny(predicate: Predicate | Predicate[], ...values: unknown
}
}
export function assertArray<T = unknown>(value: unknown, assertion?: (element: unknown) => asserts element is T, message?: string): asserts value is T[] {
export function assertArray<T = unknown>(value: unknown, assertion?: (element: unknown, message?: string) => asserts element is T, message?: string): asserts value is T[] {
if (!isArray(value)) {
throw new TypeError(message ?? typeErrorMessage('Array', value));
}
if (assertion) {
// eslint-disable-next-line unicorn/no-array-for-each, unicorn/no-array-callback-reference
value.forEach(assertion);
for (const element of value) {
// @ts-expect-error: "Assertions require every name in the call target to be declared with an explicit type annotation."
assertion(element, message);
}
}
}