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content.js
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content.js
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// accesses information from the user's page
// need a message saying removing spoilers
alert('Please be patient while we make the internet a safer place');
window.onload = function () {
var storedTerms = [];
function findAndReplace(searchText, replacement, searchNode) {
if (!searchText || typeof replacement === 'undefined') {
// Throw error here if you want...
return;
}
var regex = typeof searchText === 'string' ?
new RegExp(searchText, 'i') : searchText,
childNodes = (searchNode || document.body).childNodes,
cnLength = childNodes.length,
excludes = 'html,head,style,title,link,meta,script,object,iframe';
while (cnLength--) {
var currentNode = childNodes[cnLength];
if (currentNode.nodeType === 1 &&
(excludes + ',').indexOf(currentNode.nodeName.toLowerCase() + ',') === -1) {
findAndReplace(searchText, replacement, currentNode);
}
if (currentNode.nodeType !== 3 || !regex.test(currentNode.data) ) {
continue;
}
// this is not reaching anchor tags
var parent = currentNode.parentNode/*,
frag = (function(){
var html = currentNode.data.replace(regex, replacement),
wrap = document.createElement('div'),
frag = document.createDocumentFragment();
wrap.innerHTML = html;
while (wrap.firstChild) {
frag.appendChild(wrap.firstChild);
}
return frag;
})();
parent.insertBefore(frag, currentNode);
parent.removeChild(currentNode);*/
var newNode = document.createElement('div');
newNode.className = 'spoiler';
newNode.appendChild(document.createTextNode(replacement));
parent.replaceChild(newNode, currentNode);
}
}
chrome.storage.sync.get('storedTerms', function(data){
storedTerms = data.storedTerms;
var body = document.getElementsByTagName('body')[0]; // need this line to reset visibility
var divs = document.getElementsByTagName('p');
var replacement = 'There might be a spoiler here.';
// find child nodes of body
for (var i = 0; i < storedTerms.length; i++) {
//console.log('looking for:', storedTerms[i], 'looking in:', divs[i])
findAndReplace(storedTerms[i], replacement, body);
}
// after replacements are made, make the body visible again
body.style.visibility = "visible";
});
}