71 lines
1.9 KiB
JavaScript
71 lines
1.9 KiB
JavaScript
DEACTIVATE_KEY = 'deactivate-this-extension-pls-interactive-fics-yalla-bina';
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chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
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if ('input_word' in message){
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escapeAndReplace(message.input_word, message.replace_value, message.case_sensitive)
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} else {
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replaceAll()
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}
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});
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const replaceAll = () => {
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chrome.storage.sync.get(null, items => {
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if (!items[DEACTIVATE_KEY]) {
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for (var key in items) {
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if (key == 'person') {
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const regexp_y_n = /\by\/n\b|\(y\/n\)|\[y\/n\]/ig
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replace(regexp_y_n, items[key])
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} else if (key !== DEACTIVATE_KEY && !key.endsWith('_case_sensitive')) {
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escapeAndReplace(key, items[key], items[`${key}_case_sensitive`])
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}
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}
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}
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})
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}
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const escapeAndReplace = (input_word, replace_value, case_sensitive) => {
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const input_word_escaped = escapeRegExp(input_word.trim())
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const flags = case_sensitive ? "g" : "ig"
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const regexp_input_word = new RegExp(`\\b${input_word_escaped}\\b`, flags)
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replace(regexp_input_word, replace_value)
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}
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const escapeRegExp = (str) => str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&")
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const replace = (input_word, replace_value) => {
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chrome.storage.sync.get(DEACTIVATE_KEY, obj => {
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if (replace_value && !obj[DEACTIVATE_KEY]) {
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walk(document.body, input_word, replace_value)
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}
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})
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}
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const replaceText = (textNode, input_word, replace_value) => {
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let node_value = textNode.nodeValue
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node_value = node_value.replace(input_word, replace_value)
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textNode.nodeValue = node_value
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}
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function walk(node, v, p){
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// I stole this function from here:
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// http://is.gd/mwZp7E
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var child, next;
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switch (node.nodeType){
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case 1: // Element
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case 9: // Document
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case 11: // Document fragment
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child = node.firstChild;
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while (child){
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next = child.nextSibling;
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walk(child, v, p);
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child = next;
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}
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break;
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case 3: // Text node
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replaceText(node, v, p);
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break;
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}
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}
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replaceAll()
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