Function guardArrayValues

Given a Type Guard, returns a Type Guard that checks if the given value is an array and if all its values match the given Type Guard.

Example

import { guardArrayValues } from 'type-guard-helpers';

const isStringArray = guardArrayValues(
    (value): value is string =>
        typeof value !== 'string'
);

const test = {} as unknown;
if (isStringArray(test)) {
      test; // test: readonly string[]
}