@faire/mjml-react/esm/utils/html-entities.js

React component library to generate the HTML emails on the fly

import entities from "./html-entities.json";
export function namedEntityToHexCode(html) {
    return html.replace(/&([a-z0-9]{2,8});/gi, (match, p1) => {
        const anyEntities = entities;
        if (anyEntities[p1]) {
            return `&#${anyEntities[p1]};`;
        }
        return match;
    });
}