export function generateId(length) {
    const arr = new Uint8Array(length / 2);
    crypto.getRandomValues(arr);
    return Array.from(arr, dec2hex).join("");
}

function dec2hex(dec) {
    return dec.toString(16).padStart(2, "0");
}

export function injectCss(href) {
    if (document.querySelector(`link[href^="${href}"]`)) {
        return Promise.resolve();
    }
    return new Promise((resolve) => {
        const link = document.createElement("link");
        link.setAttribute("rel", "stylesheet");
        link.setAttribute("type", "text/css");
        const timeout = setTimeout(resolve, 1000);
        link.addEventListener("load", (e) => {
            clearInterval(timeout);
            resolve();
        });
        link.href = href;
        document.head.appendChild(link);
    });
}