github-pages-deploy-action/node_modules/universal-user-agent/dist-src/index.js

export function getUserAgent() {
    if (typeof navigator === "object" && "userAgent" in navigator) {
        return navigator.userAgent;
    }
    if (typeof process === "object" && "version" in process) {
        return `Node.js/${process.version.substr(1)} (${process.platform}; ${process.arch})`;
    }
    return "<environment undetectable>";
}