🐛 Fix cli return type

Author: torifat

.changeset/fuzzy-chicken-agree.md

@@ -0,0 +1,5 @@
+---
+'better-ajv-errors': patch
+---
+
+:bug: Fix cli return type

typings.d.ts

@@ -21,4 +21,4 @@ export default function <S, T, Options extends IInputOptions>(
   data: T,
   errors: Array<ErrorObject>,
   options?: Options
-): Options extends { format: 'js' } ? Array<IOutputError> : void;
+): Options extends { format: 'js' } ? Array<IOutputError> : string;

typings.test-d.ts

@@ -1,7 +1,7 @@
 import {expectType} from 'tsd';
 import betterAjvErrors, { IOutputError } from '.';
 
-expectType<void>(betterAjvErrors(true, false, []));
-expectType<void>(betterAjvErrors(true, false, [], { format: 'cli'}));
+expectType<string>(betterAjvErrors(true, false, []));
+expectType<string>(betterAjvErrors(true, false, [], { format: 'cli'}));
 
-expectType<Array<IOutputError>>(betterAjvErrors('foo', 'bar', [], { format: 'js'}));
+expectType<Array<IOutputError>>(betterAjvErrors('abc', 'xyz', [], { format: 'js'}));