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myscript.js
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myscript.js
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//https://stackoverflow.com/questions/3219758/detect-changes-in-the-dom
console.log('you should feel good always')
initScript()
var oldURL = location.href
setInterval(function () {
var newURL = location.href
if (newURL != oldURL) {
setTimeout(() => {
initScript();
}, 500)
}
oldURL = location.href
}, 100);
function initScript() {
console.log('script started');
var observeDOM = (function () {
var MutationObserver = window.MutationObserver || window.WebKitMutationObserver,
eventListenerSupported = window.addEventListener;
return function (obj, callback) {
if (MutationObserver) {
// define a new observer
var obs = new MutationObserver(function (mutations, observer) {
if (mutations[0].addedNodes.length || mutations[0].removedNodes.length)
callback(mutations[0].addedNodes);
}
);
// have the observer observe foo for changes in children
obs.observe(obj, {
childList: true,
subtree: true
});
}
};
})();
let oldPosts = [];
// Observe a specific DOM element:
observeDOM(document.getElementById('mainContainer'), function (e) {
let allPagePosts = Array.from(document.getElementsByClassName('userContent'));
let newPosts = returnNewElementsFromNewArray(oldPosts, allPagePosts)
for(let post of newPosts){
oldPosts.push(post)
}
for (let element of newPosts) {
console.log(element.textContent);
var english = /^[A-Za-z0-9]*$/;
if (element.textContent && english.test(element.textContent[0])) {
console.log('sending ajax');
//console.log(element.textContent, english.test(element.textContent[0]));
chrome
.runtime
.sendMessage({
method: 'POST',
action: 'xhttp',
url: 'https://happy-zone.herokuapp.com/api/isSadPost',
data: `text=${element.textContent}`
}, (res) => {
console.log(res);
var resObj = JSON.parse(res)
var isSad = resObj.data.result
if (isSad) {
console.log('I found a sad post');
element
.classList
.add("blur");
element
.onclick = function(){
this.classList.toggle("blur")
}
}
});
}
}
});
function returnNewElementsFromNewArray(oldArr, newArr) {
return newArr.filter(val => !oldArr.includes(val))
}
}