heissepreise/site/misc.js

if (typeof window !== "undefined") {
    function setupLiveEdit() {
        if (window.location.host.indexOf("localhost") < 0 && window.location.host.indexOf("127.0.0.1") < 0) return;
        var script = document.createElement("script");
        script.type = "text/javascript";
        script.onload = () => {
            let lastChangeTimestamp = null;
            let socket = io({ transports: ["websocket"] });
            socket.on("connect", () => console.log("Connected"));
            socket.on("disconnect", () => console.log("Disconnected"));
            socket.on("message", (timestamp) => {
                if (lastChangeTimestamp != timestamp) {
                    setTimeout(() => location.reload(), 100);
                    lastChangeTimestamp = timestamp;
                }
            });
        };
        script.src = "js/socket.io.js";
        document.body.appendChild(script);
    }
    setupLiveEdit();
}

exports.fetchJSON = async (url) => {
    const response = await fetch(url);
    return await response.json();
};

exports.downloadJSON = (filename, content) => {
    const json = JSON.stringify(content, null, 2);
    const blob = new Blob([json], { type: "text/plain" });
    const element = document.createElement("a");
    element.href = URL.createObjectURL(blob);
    element.download = filename;
    element.style.display = "none";
    document.body.appendChild(element);
    element.click();
    document.body.removeChild(element);
    URL.revokeObjectURL(element.href);
};

exports.dom = (html) => {
    const div = document.createElement("div");
    element.innerHTML = html;
    return element.children[0];
};