metamorpov/content_script.js

76 lines
1.7 KiB
JavaScript

DISABLE_KEY = 'deactivate-this-extension-pls-interactive-fics-yalla-bina';
var valChange = /\by\/n\b|\(y\/n\)|\[y\/n\]/ig;
var person;
var replaceAll = function (){
chrome.storage.local.get(null, function(items){
if(items[DISABLE_KEY] !== true){
for(var key in items){
if(items[key]){
if(key=="person")
loadReplace(valChange, items[key]);
else if(key !== DISABLE_KEY){
var s = escapeRegExp(key);
var temp = new RegExp(s, "ig");
loadReplace(temp, items[key]);
}
}
}
}
});
}
function escapeRegExp(str) {
return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
}
chrome.extension.onMessage.addListener(function(message,sender,sendResponse){
var s = escapeRegExp(message.stuff);
var val = new RegExp(s, "ig");
if(message.isYN)
loadReplace(val, person);
else
if(message.replaceVal){
loadReplace(val, message.replaceVal);
}
});
function loadReplace(rep, p){
chrome.storage.local.get(DISABLE_KEY, function(obj){
var enabled = obj[DISABLE_KEY] !== true;
if(p!=null && enabled){
walk(document.body, rep, p);
}
});
}
function walk(node, v, p){
// I stole this function from here:
// http://is.gd/mwZp7E
var child, next;
switch (node.nodeType){
case 1: // Element
case 9: // Document
case 11: // Document fragment
child = node.firstChild;
while (child){
next = child.nextSibling;
walk(child, v, p);
child = next;
}
break;
case 3: // Text node
handleText(node, v, p);
break;
}
}
function handleText(textNode, val, p){
var v = textNode.nodeValue;
v = v.replace(val, p); //replaces Y/N or other value entered regardless of the case, whether it's in a bracket or not
textNode.nodeValue = v;
}
replaceAll();