Function syntaxError

core/src/config.js:56–60

(type, url, { message })

const relative_url = (url, base = location.href) => new URL(url, base).href;

const syntaxError = (type, url, { message }) => {
    let str = `(${BAD_CONFIG}): Invalid ${type}`;
    if (url) str += ` @ ${url}`;
    return new SyntaxError(`${str}\n${message}`);
};

const configs = new Map();