es-toolkit/dist/string/unescape.mjs

A state-of-the-art, high-performance JavaScript utility library with a small bundle size and strong type annotations.

const htmlUnescapes = {
    '&': '&',
    '&lt;': '<',
    '&gt;': '>',
    '&quot;': '"',
    '&#39;': "'",
};
function unescape(str) {
    return str.replace(/&(?:amp|lt|gt|quot|#(0+)?39);/g, match => htmlUnescapes[match] || "'");
}

export { unescape };