youtube-to-invidious/to-invidious.js
2022-07-16 21:20:30 +02:00

62 lines
1.9 KiB
JavaScript

function findATagsAndAddListener(el) {
let tags = [];
// Google has elements that prevent click on links. May need different handling
// if (window.location.href.indexOf("google.") >= 0) {
// const elements = document.getElementsByClassName("NqpkQc");
// while(elements.length > 0){
// elements[0].parentNode.removeChild(elements[0]);
// }
// }
if (window.location.href.indexOf('youtube.com') >= 0) {
tags = el.querySelectorAll('a[href*="/watch"]');
} else {
tags = el.querySelectorAll('a[href*="youtube.com/"]');
}
for (i = 0; i < tags.length; i++) {
addListenerToATag(tags[i]);
}
}
function addListenerToATag(tag) {
tag.addEventListener('click', function(e) {
e.preventDefault();
e.stopImmediatePropagation();
// Find the a tag
var target = e.target;
while ((target.tagName != "A" || !target.href) && target.parentNode) {
target = target.parentNode;
}
let targetName = (target.attributes.target != null ? target.attributes.target.nodeValue : '_self')
if (e.ctrlKey || e.metaKey) {
targetName = "_blank";
}
browser.runtime.sendMessage({"url": target.href, "targetName": targetName});
})
}
// Add the event listeners to the current elements of the body
findATagsAndAddListener(document.body);
// Monitor the DOM for additions and create event listeners on the go
const observer = new MutationObserver((mutations) => {
mutations.forEach((mutation) => {
if (mutation.addedNodes && mutation.addedNodes.length > 0) {
for (let i = 0; i < mutation.addedNodes.length; i++) {
const newNode = mutation.addedNodes[i];
if (newNode.nodeType === Node.ELEMENT_NODE || newNode.nodeType === Node.DOCUMENT_NODE || newNode.nodeType === Node.DOCUMENT_FRAGMENT_NODE) {
findATagsAndAddListener(newNode);
}
}
}
});
});
observer.observe(document.body, {
childList: true,
subtree: true
});