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Watch head for changes instead of title #35

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Watch head for changes instead of title #35

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16 changes: 10 additions & 6 deletions Source/content_script.js
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Original file line number Diff line number Diff line change
Expand Up @@ -249,7 +249,11 @@ function isForbiddenNode(node) {
return node.isContentEditable || // DraftJS and many others
(node.parentNode && node.parentNode.isContentEditable) || // Special case for Gmail
(node.tagName && (node.tagName.toLowerCase() == "textarea" || // Some catch-alls
node.tagName.toLowerCase() == "input"));
node.tagName.toLowerCase() == "input" ||
node.tagName.toLowerCase() == "script" ||
node.tagName.toLowerCase() == "noscript" ||
node.tagName.toLowerCase() == "template" ||
node.tagName.toLowerCase() == "style"));
}

// The callback used for the document body and title observers
Expand All @@ -275,13 +279,13 @@ function observerCallback(mutations) {

// Walk the doc (document) body, replace the title, and observe the body and title
function walkAndObserve(doc) {
var docTitle = doc.getElementsByTagName('title')[0],
var docHead = doc.getElementsByTagName('head')[0],
observerConfig = {
characterData: true,
childList: true,
subtree: true
},
bodyObserver, titleObserver;
bodyObserver, headObserver;

// Do the initial text replacements in the document body and title
walk(doc.body);
Expand All @@ -292,9 +296,9 @@ function walkAndObserve(doc) {
bodyObserver.observe(doc.body, observerConfig);

// Observe the title so we can handle any modifications there
if (docTitle) {
titleObserver = new MutationObserver(observerCallback);
titleObserver.observe(docTitle, observerConfig);
if (docHead) {
headObserver = new MutationObserver(observerCallback);
headObserver.observe(docHead, observerConfig);
}
}
walkAndObserve(document);