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null checks on mutations

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This commit is contained in:
Kyle Spearrin 2017-10-06 10:17:41 -04:00
parent d4cf0fe338
commit 11bc242a4a
1 changed files with 14 additions and 2 deletions
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16
src/content/notificationBar.js
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@ -66,13 +66,25 @@
function observeDom() { function observeDom() {
var bodies = document.querySelectorAll('body'); var bodies = document.querySelectorAll('body');
if (bodies.length > 0) { if (bodies && bodies.length > 0) {
observer = new window.MutationObserver(function (mutations) { observer = new window.MutationObserver(function (mutations) {
if (!mutations || !mutations.length) {
return;
}
var doCollect = false; var doCollect = false;
for (var i = 0; i < mutations.length; i++) { for (var i = 0; i < mutations.length; i++) {
if (!mutations[i].addedNodes || !mutations[i].addedNodes.length) {
continue;
}
for (var j = 0; j < mutations[i].addedNodes.length; j++) { for (var j = 0; j < mutations[i].addedNodes.length; j++) {
if (!mutations[i].addedNodes[j]) {
continue;
}
var forms = mutations[i].addedNodes[j].querySelectorAll('form:not([data-bitwarden-watching])'); var forms = mutations[i].addedNodes[j].querySelectorAll('form:not([data-bitwarden-watching])');
if (forms.length) { if (forms && forms.length) {
doCollect = true; doCollect = true;
break; break;
} }