@orca-fe/x-map/esm/utils/load-script.js

const cache = new Map();
export default function loadScript(src, callback = (e) => { }) {
    let p = cache.get(src);
    if (!p) {
        p = new Promise((resolve, reject) => {
            const script = document.createElement('script');
            script.src = src;
            script.onload = function (e) {
                resolve(e);
            };
            script.onerror = function (event, source, lineno, colno, error) {
                cache.delete(src);
                reject(error);
            };
            document.body.appendChild(script);
        });
        cache.set(src, p);
    }
    return p
        .then(() => {
        callback();
    })
        .catch((err) => {
        callback(err);
    });
}
const cssCache = new Map();
export function loadCSS(src, callback = (e) => { }) {
    if (cssCache.has(src)) {
        callback();
        return () => {
            cssCache.delete(src);
            const cssElement = cssCache.get(src);
            if (cssElement && document.contains(cssElement)) {
                document.removeChild(cssElement);
            }
        };
    }
    const link = document.createElement('link');
    link.href = src;
    link.type = 'text/css';
    link.rel = 'stylesheet';
    cssCache.set(src, link);
    link.onload = function (e) {
        callback();
    };
    link.onerror = function (event, source, lineno, colno, error) {
        cssCache.delete(src);
        callback(error);
    };
    document.head.appendChild(link);
    return () => {
        cssCache.delete(src);
        if (document.head.contains(link)) {
            document.head.removeChild(link);
        }
    };
}