path is not always a string, ensure it isn\'t false-y before access…

…ing it
ampproject · Dec 7, 2021 · a8fe715 · a8fe715
1 parent b4c4d96
commit a8fe715
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/helpers/AmpConfig.js b/src/helpers/AmpConfig.js
@@ -30,7 +30,7 @@ const AmpConfig = (providedOptions) => {
     throw new Error(`filter needs to be a valid RegExp, provided : ${options.filter}`);
   }
 
-  options.isAmp = (path) => path.endsWith('.html') && options.filter.test(path);
+  options.isAmp = (path) => path && path.endsWith('.html') && options.filter.test(path);
 
   if (providedOptions.optimizeImages !== false && !providedOptions.imageOptimizer) {
     options.imageOptimizer = ImageOptimizer.create(options);