From 32deb35fecf364f5f2d662ab724fda94bb626547 Mon Sep 17 00:00:00 2001
From: Timo Hocker <t-hocker@web.de>
Date: Sun, 24 May 2020 19:43:13 +0200
Subject: [PATCH] fix

---
 lib/snippets/copyright/file_mapper.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/snippets/copyright/file_mapper.ts b/lib/snippets/copyright/file_mapper.ts
index 5aa294f..a632820 100644
--- a/lib/snippets/copyright/file_mapper.ts
+++ b/lib/snippets/copyright/file_mapper.ts
@@ -12,7 +12,7 @@ import fs from 'fs-extra';
 export class FileMapper {
   public static async map_all_files (
     folder: string,
-    mutator: Function,
+    mutator: (data: string, file: string, args: Array<unknown>) => string|null,
     args: Array<unknown> = []
   ): Promise<void> {
     const files = await fs.readdir (folder);