make pattern error opt in (#417)

* make pattern error opt in

* changelog link

src/main.ts

@@ -25,7 +25,11 @@ async function run() {
     if (config.input_files) {
       const patterns = unmatchedPatterns(config.input_files);
       patterns.forEach((pattern) => {
-        throw new Error(`⚠️  Pattern '${pattern}' does not match any files.`);
+        if (config.input_fail_on_unmatched_files) {
+          throw new Error(`⚠️  Pattern '${pattern}' does not match any files.`);
+        } else {
+          console.warn(`🤔 Pattern '${pattern}' does not match any files.`);
+        }
       });
       if (patterns.length > 0 && config.input_fail_on_unmatched_files) {
         throw new Error(`⚠️ There were unmatched files`);