Add a null check before trying to read what error was detected.

Fixes #29.
WordPress · Apr 18, 2021 · a10e10f · a10e10f
1 parent 72be4e7
commit a10e10f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/class-jquery-migrate-helper.php b/class-jquery-migrate-helper.php
@@ -286,7 +286,7 @@ public static function fatal_error_handler() {
                 var erroredFunction = msg.match( match_pattern );
 
                 // If there was no matching functions, do not try to downgrade.
-                if ( typeof erroredFunction !== 'object' || typeof erroredFunction[1] === "undefined" || -1 === jQueryFunctions.indexOf( erroredFunction[1] ) ) {
+                if ( null === erroredFunction || typeof erroredFunction !== 'object' || typeof erroredFunction[1] === "undefined" || -1 === jQueryFunctions.indexOf( erroredFunction[1] ) ) {
                     return true;
                 }