import { normalizedAssetPrefix } from '../../../shared/lib/normalized-asset-prefix';
function getSocketProtocol(assetPrefix) {
    let protocol = window.location.protocol;
    try {
        // assetPrefix is a url
        protocol = new URL(assetPrefix).protocol;
    } catch (e) {}
    return protocol === 'http:' ? 'ws:' : 'wss:';
}
export function getSocketUrl(assetPrefix) {
    const prefix = normalizedAssetPrefix(assetPrefix);
    const protocol = getSocketProtocol(assetPrefix || '');
    if (URL.canParse(prefix)) {
        // since normalized asset prefix is ensured to be a URL format,
        // we can safely replace the protocol
        return prefix.replace(/^http/, 'ws');
    }
    const { hostname, port } = window.location;
    return protocol + "//" + hostname + (port ? ":" + port : '') + prefix;
}

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