EstreUV.js/packages/playground/serviceLoader.html at main · SoliEstre/EstreUV.js · GitHub

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<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>Estre UI Service Loader</title>
    <meta name="viewport" content="user-scalable=no, width=device-width, initial-scale=1 viewport-fit=cover">
	<meta name="mobile-web-app-capable" content="yes">
	<meta name="apple-mobile-web-app-capable" content="yes">
	<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
    <meta name="apple-mobile-web-app-title" content="App title" />
    <meta name="description" content="App description" />
	<meta name="theme-color" content="#FFFFFF">
    <script>
// Environment constants
let isStandalone = !!window.matchMedia("(display-mode: standalone)").matches;

const isMobile = navigator.userAgent.includes("Mobile");
const isIPhone = navigator.userAgent.includes("iPhone");
const isIPad = navigator.userAgent.includes("iPad");
const isIPod = navigator.userAgent.includes("iPod");
const isAppleMobile = isIPhone || isIPad || isIPod;
const isAndroid = navigator.userAgent.includes("Android");
const isAndroidMobile = isAndroid && isMobile;
const isSamsungBrowser = navigator.userAgent.includes("SamsungBrowser");


window.isLog = true;
window.isDebug = location.host.replace("class.mangoedu.co.kr", "").length > 0;
window.isVerbose = false;
Object.defineProperty(window, "isLogging", {
    "get": function () { return this.isLog || this.isDebug; },
    configurable: true,
    enumerable: false,
});
Object.defineProperty(window, "isVerbosely", {
    "get": function () { return this.isDebug && this.isVerbose; },
    configurable: true,
    enumerable: false,
});


const search = new URL(location.href).search;
let messageElement;

const showMessage = message => {
    if (messageElement) messageElement.textContent = message;
};

const onServiceWorkerReady = _ => {
    showMessage("Starting app...");
    document.body.addEventListener("click", e => {
        e.preventDefault();
        e.stopPropagation();

        location.href = "/" + search;

        return;
    });
    setTimeout(_ => {
        location.href = "/" + search;
    }, 0);
};

if ("serviceWorker" in navigator) {
    let swRegisteration;
    let isInitialSetup;
    let isFirstActivated = false;
    let isSecondActivated = false;

    const serviceWorkerOnInstalling = (worker) => {
        if (worker) {
            if (isLogging) console.log("Service Worker is installing:", worker.scriptURL);
            else if (isVerbosely) console.log("Service Worker is installing:", worker);
            showMessage("Downloading update...");
            worker.postMessage({ type: "SKIP_WAITING" });
        }
    };

    const serviceWorkerOnWaiting = (worker) => {
        if (worker) {
            if (isLogging) console.log("Service Worker is waiting:", worker.scriptURL);
            else if (isVerbosely) console.log("Service Worker is waiting:", worker);
            showMessage("Applying update...");
        }
    };

    const serviceWorkerOnActivating = (worker, isNewer = false) => {
        if (worker) {
            if (isLogging) console.log("Service Worker is activating:", worker.scriptURL);
            else if (isVerbosely) console.log("Service Worker is activating:", worker);
            showMessage("Loading service...");
        }
    };

    const serviceWorkerOnActive = (worker, isNewer = false) => {
        if (worker) {
            if (isLogging) console.log("Service Worker is active:", worker.scriptURL);
            else if (isVerbosely) console.log("Service Worker is active:", worker);
            worker.postMessage({ type: "CLIENTS_CLAIM" });
            if (!isFirstActivated) {
                isFirstActivated = true;
                showMessage("Checking for updates...");
                (async _ => {
                    try {
                        const reg = await swRegisteration?.update();
                        const worker = reg.installing ?? reg.waiting;
                        if (worker == null) onServiceWorkerReady();
                    } catch (error) {
                        console.error(error);
                        onServiceWorkerReady();
                    }
                })();
            } else if (!isSecondActivated) {
                isSecondActivated = true;
                onServiceWorkerReady();
            }
        }
    };

    window.addEventListener("load", () => {
        messageElement = document.getElementById("message");

        navigator.serviceWorker.oncontrollerchange = (e) => {
            const controller = navigator.serviceWorker.controller;
            if (controller) {
                if (isLogging) console.log("Service Worker controller changed:", controller.scriptURL);
                else if (isVerbosely) console.log("Service Worker controller changed:", controller);
            }
        };

        showMessage("Registering service...");

        navigator.serviceWorker.register("./scripts/serviceWorker.js", { scope: "/", updateViaCache: "none" }).then(registration => {
            swRegisteration = registration;
            if (isLogging) console.log("Service Worker registered with scope:", registration.scope);

            serviceWorkerOnInstalling(registration.installing);
            serviceWorkerOnWaiting(registration.waiting);

            registration.addEventListener("statechange", () => {
                const activated = registration.active;
                const constoller = navigator.serviceWorker.controller;
                if (activated) {
                    if (isLogging) console.log("Service Worker state changed to:", activated.state);
                    serviceWorkerOnActive(registration.active, controller != null && activated != controller);
                }
            });

            serviceWorkerOnActive(registration.active);
            isInitialSetup = registration.active == null;

            registration.addEventListener("updatefound", () => {
                const newWorker = registration.installing;
                if (isLogging) console.log("New Service Worker found:", newWorker.scriptURL);
                else if (isVerbosely) console.log("New Service Worker found:", newWorker);
                serviceWorkerOnInstalling(newWorker);

                newWorker.addEventListener("statechange", () => {
                    if (isLogging) console.log("New Service Worker state changed to:", newWorker.state);
                    switch (newWorker.state) {
                        case "installed":
                            if (isLogging) console.log("New Service Worker installed and waiting to activate.");
                            const controllerExist = navigator.serviceWorker.controller;
                            const isWaiting = registration.waiting == newWorker;


                            if (isWaiting) {
                                if (controllerExist) {
                                    serviceWorkerOnWaiting(newWorker);
                                } else {
                                    // do nothing (first install)
                                }
                            }
                            break;

                        case "activating":
                            serviceWorkerOnActivating(newWorker, true);
                            break;

                        case "activated":
                            serviceWorkerOnActive(newWorker, true);
                            break;
                    }

                    if (newWorker == navigator.serviceWorker.controller) {
                        if (isLogging) console.log("New Service Worker is attached.");
                    }
                });
            });
        }).catch(error => {
            console.error("Service Worker registration failed:", error);
            onServiceWorkerReady();
        });
    });
} else onServiceWorkerReady();
    </script>
    <link rel="manifest" href="./webmanifest.json" crossOrigin="use-credentials">
    <style>
@keyframes loopmove {
    0% { translate: -50% 0; }
    100% { translate: 350% 0; }
}

body { margin: 0; }

#centerPlacer { position: fixed; display: flex; flex-flow: column nowrap; top: 0; bottom: 0; left: 0; right: 0; width: fit-content; height: fit-content; margin: auto; color: #333; font-size: 0.875rem; line-height: 1.2em; user-select: none; }

#loopbar { position: absolute; bottom: -24px; left: -120px; right: -120px; width: 240px; height: 4px; margin: auto; border-radius: 4px; overflow: hidden; }
#loopbar::after { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-image: linear-gradient(90deg, #FFF 0%, transparent 20%, transparent 80%, #FFF 100%); }
#loopworm { position: absolute; top: 0; left: -80%; width: 80%; height: 100%; border-radius: 4px; background-color: #222222; animation: loopmove 1s linear infinite; will-change: transform; }
    </style>
</head>
<body>
    <div id="centerPlacer">
        <span id="message">Initializing service...</span>
        <div id="loopbar"><div id="loopworm"></div></div>
    </div>
</body>
</html>