Crawl & replace generated text with static translation

page_text_scraper.js

// Function to collect all text nodes
function getTextNodes(element) {
    let textNodes = [];
    function recursiveCollect(node) {
        if (node.nodeType === Node.TEXT_NODE) {
            // Check if the node value is not blank or just newline characters
            if (node.nodeValue.trim() !== "") {
                textNodes.push(node);
            }
        } else {
            node.childNodes.forEach(recursiveCollect);
        }
    }
    recursiveCollect(element);
    return textNodes;
}

// Example JSON object with translated text
const translations = {
    "Hello, world!": "Hola, mundo!",
    "This is a test.": "Esto es una prueba.",
    // Add more translations as needed
};

// Function to replace text nodes with translated text
function replaceTextNodes(textNodes, translations) {
    textNodes.forEach(node => {
        const originalText = node.nodeValue.trim();
        if (translations[originalText]) {
            node.nodeValue = translations[originalText];
        }
    });
}

// Collect all text nodes in the body
const textNodes = getTextNodes(document.body);

// Replace the text nodes with translated text from the JSON object
replaceTextNodes(textNodes, translations);

console.log("Text replacement complete.");