iframe-proxy | Sunbelt Computer Software

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// Check for script updates

wrap(() => {

const disabled = settings.register({

name: 'Disable Auto Updates',

key: 'underscript.disable.updates',

});

style.add(

'#AlertToast h2, #AlertToast h3 { margin: 0; font-size: 20px; }',

'#AlertToast h3 {font-size: 17px; }',

);

const baseURL = 'https://unpkg.com/';

const MINUTE = 60 * 1000;

const HOUR = 60 * MINUTE;

const CHECKING = 'underscript.update.checking';

const LAST = 'underscript.update.last';

const DEBUG = 'underscript.debug.update';

const LATEST = 'underscript.update.latest';

const base = axios.create({ baseURL });

const latest = {

set({ version, unpkg }) {

if (!version || !unpkg) return;

localStorage.setItem(LATEST, JSON.stringify({

version,

unpkg,

time: Date.now(),

}));

del() {

localStorage.removeItem(LATEST);

chk() {

const stored = JSON.parse(localStorage.getItem(LATEST));

if (stored) {

return compareAndToast(stored);

}

};

let toast;

let updateToast;

let autoTimeout;

function check() {

if (sessionStorage.getItem(CHECKING)) return Promise.resolve();

sessionStorage.setItem(CHECKING, true);

return base.get(`underscript@${getVersion()}/package.json`).then((response) => {

sessionStorage.removeItem(CHECKING);

localStorage.setItem(LAST, Date.now());

return response;

}).catch((error) => {

sessionStorage.removeItem(CHECKING);

fn.debug(error);

if (toast) {

toast.setText('Failed to connect to server.');

}

});

}

function noUpdateFound() {

const ref = toast;

if (ref && ref.exists()) {

ref.setText('No updates available.');

setTimeout(ref.close, 3000);

}

function isNewer(data) {

const version = scriptVersion;

if ((version === 'L' || version.includes('-')) && !localStorage.getItem(DEBUG)) return false;

if (data.time && data.time < GM_info.script.lastModified) return false;

return data.version !== version;

}

function compareAndToast(data) {

if (!isNewer(data)) {

latest.del();

return;

}

latest.set(data);

updateToast = fn.toast({

title: '[UnderScript] Update Available!',

text: `Version ${data.version}.`,

footer: 'Click to update',

onClose(reason) {

if (reason !== 'dismissed') return;

location.href = `${baseURL}/underscript@${data.version}/${data.unpkg}`;

});

return true;

}

function autoCheck() {

// It passed, don't need to check anymore

if (latest.chk()) return;

check().then(({ data } = {}) => {

if (data) {

compareAndToast(data);

}

// One hour from now or one minute from now (if an error occurred)

autoTimeout = setTimeout(autoCheck, data ? HOUR : MINUTE);

});

}

// Frequency - when should it check for updates

// Menu button - Manual update check

menu.addButton({

text: 'Check for updates',

action() {

if (updateToast && updateToast.exists()) return;

if (toast) toast.close();

toast = fn.toast({

title: 'UnderScript updater',

text: 'Checking for updates. Please wait.',

});

check().then(({ data } = {}) => {

setupAuto(); // Setup a new auto check (wait another hour)

if (!data) return;

if (!isNewer(data)) {

noUpdateFound();

} else {

toast.close(); // I need a way to change the 'onclose'

compareAndToast(data);

}

});

note() {

const last = parseInt(localStorage.getItem(LAST), 10);

return `Last Checked: ${last ? luxon.DateTime.fromMillis(last).toLocaleString(luxon.DateTime.DATETIME_FULL) : 'never'}`;

});

function setupAuto() {

if (disabled.value()) return;

if (autoTimeout) clearTimeout(autoTimeout);

const last = parseInt(localStorage.getItem(LAST), 10);

const now = Date.now();

const timeout = last - now + HOUR;

if (!last || timeout <= 0) {

autoCheck();

} else {

autoTimeout = setTimeout(autoCheck, timeout);

}

function getVersion() {

return scriptVersion.includes('-') ? 'next' : 'latest';

}

sessionStorage.removeItem(CHECKING);

if (!latest.chk()) setupAuto();

});

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