Avoid undefined

sematext · Sep 28, 2021 · 11a1d1f · 11a1d1f
1 parent 639d6a7
commit 11a1d1f
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/src/ajax/common.js b/src/ajax/common.js
@@ -22,6 +22,9 @@ export function checkTaint(url: string, taint: string): boolean {
 }
 
 export function isUrlIgnored(url: string, ignoreList: string[]): boolean {
+  if (ignoreList === null || ignoreList === undefined) {
+    return false;
+  }
   for (let i = 0; i < ignoreList.length; i += 1) {
     if (url.toLowerCase().startsWith(ignoreList[i].toLowerCase())) {
       return true;

diff --git a/src/index.js b/src/index.js
@@ -20,7 +20,7 @@ import MeasureDispatcher from './dispatchers/MeasureDispatcher';
 
 const contextNames = window.STRUM_CONTEXTS || [GLOBAL_KEY];
 let ignoreList = window.STRUM_IGNORE_AJAX;
-if (ignoreList === null) {
+if (ignoreList === null || ignoreList === undefined) {
   ignoreList = [];
 }