From 1a4ec52712a2bc6b58c766141816110292f433ef Mon Sep 17 00:00:00 2001
From: Karl-Philipp Wulfert <krlwlfrt@gmail.com>
Date: Tue, 4 Jun 2019 15:20:55 +0200
Subject: [PATCH] fix: only check copyright years for TypeScript files

Fixes #25
---
 src/common.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/common.ts b/src/common.ts
index f5e6ffa7..df6c6914 100644
--- a/src/common.ts
+++ b/src/common.ts
@@ -562,6 +562,10 @@ export function checkCopyrightYears(path: PathLike, subDir: PathLike): void {
     const fileStats = lstatSync(fileSystemObjectPath);
 
     if (fileStats.isFile()) {
+      if (fileSystemObject.match(/\.ts$/) === null) {
+        continue;
+      }
+
       const content = readFileSync(fileSystemObjectPath)
         .toString()
         .split('\n');