// Helps you detect mobile browsers (to show a relevant message as the process of installing your PWA changes from browser to browser)
function isAndroid() {
    return navigator.userAgent.match(/Android/i);
}
function isBlackBerry() {
    return navigator.userAgent.match(/BlackBerry/i);
}
function isiOS() {
    return navigator.userAgent.match(/iPhone|iPad|iPod/i);
}
function isOpera() {
    return navigator.userAgent.match(/Opera Mini/i);
}
function isSamsung() {
    return navigator.userAgent.match(
        /SAMSUNG|Samsung|SGH-[I|N|T]|GT-[I|N]|SM-[A|N|P|T|Z]|SHV-E|SCH-[I|J|R|S]|SPH-L/i,
    );
}
function isWindows() {
    return (
        navigator.userAgent.match(/IEMobile/i) ||
        navigator.userAgent.match(/WPDesktop/i)
    );
}
function isMobile() {
    return (
        this.isAndroid() ||
        this.isBlackBerry() ||
        this.isiOS() ||
        this.isOpera() ||
        this.isSamsung() ||
        this.isWindows()
    );
}

// Use this to check if the user is already using your PWA - no need to prompt if in standalone
function isStandalone() {
    const isStandalone = window.matchMedia("(display-mode: standalone)").matches;
    if (document.referrer.startsWith("android-app://")) {
        return true; // Trusted web app
    } else if ("standalone" in navigator || isStandalone) {
        return true;
    }
    return false;
}