Files
TREK/client/native-shell/main.ts
T
Maurice d18fb7f63d fix(native): drop the unused yearly-savings string and a dead initial value
The plan picker no longer shows a yearly badge, so its string reached nothing
and failed the i18n key check; the shell's start also initialised a value it
always overwrote.
2026-11-06 15:02:47 +01:00

838 lines
29 KiB
TypeScript

import { CapacitorHttp } from '@capacitor/core';
import { Haptics, ImpactStyle, NotificationType } from '@capacitor/haptics';
import { SplashScreen } from '@capacitor/splash-screen';
import { StatusBar, Style } from '@capacitor/status-bar';
import logoUrl from '../public/icons/icon-white.svg';
import logoBlack from '../public/logo-dark.svg'; // #000 wordmark, for light backgrounds
import logoWhite from '../public/logo-light.svg'; // #fff wordmark, for dark backgrounds
import { getIapClient, productIdFor, type Purchase } from '../src/native/iap';
import { CLOUD_URL, PRIVACY_URL, SERVER_DOCS_URL } from '../src/native/links';
import { probeDemo, probeServer, type ProbeFailure, type ProbeGet } from '../src/native/serverAddress';
import { TrekShell } from '../src/native/trekShell';
import { pickLocale, translator } from './i18n';
import './shell.css';
/**
* The only page the app ships itself. It welcomes someone on first start, asks
* for the TREK server they open in their browser, offers TREK Cloud to someone
* without one, and stands in when a remembered server cannot be reached.
* Everything past it is the UI that server delivers.
*/
const locale = pickLocale(navigator.languages?.length ? navigator.languages : [navigator.language]);
const t = translator(locale);
document.documentElement.lang = locale;
document.documentElement.dir = locale === 'ar' ? 'rtl' : 'ltr';
const root = document.getElementById('shell')!;
const PROBE_TIMEOUT_MS = 8000;
const iap = getIapClient();
/** Whether this build can take a payment in-app; decided once at start. Until then, and in a store build without the purchase plugin, the plan picker finishes on the web. */
let iapAvailable = false;
/** The subdomain suffix a cloud instance sits on, from the cloud address: `liketrek.com` → `.liketrek.com`. */
function cloudSuffix(): string {
try {
return `.${new URL(CLOUD_URL).host}`;
} catch {
return '.liketrek.com';
}
}
// Native HTTP rather than fetch: the probe goes to a server of the user's
// choosing, which has no reason to answer this page's origin with CORS.
const get: ProbeGet = async (url) => {
const response = await CapacitorHttp.get({ url, connectTimeout: PROBE_TIMEOUT_MS, readTimeout: PROBE_TIMEOUT_MS });
return { status: response.status, data: response.data, url: response.url };
};
function failureMessage(reason: ProbeFailure): string {
switch (reason) {
case 'invalid':
return t('native.connect.errorInvalid');
case 'unreachable':
return t('native.connect.errorUnreachable');
case 'notTrek':
return t('native.connect.errorNotTrek');
case 'tooOld':
return t('native.connect.errorTooOld');
}
}
// ── Tiny DOM + haptics helpers ──────────────────────────────────────────────
function el<K extends keyof HTMLElementTagNameMap>(
tag: K,
props: Partial<HTMLElementTagNameMap[K]> & { dataset?: Record<string, string> } = {},
...children: (Node | string)[]
): HTMLElementTagNameMap[K] {
const { dataset, ...rest } = props;
const node = document.createElement(tag);
Object.assign(node, rest);
if (dataset) for (const [k, v] of Object.entries(dataset)) node.dataset[k] = v;
node.append(...children.filter((c) => c !== null && c !== undefined));
return node;
}
function icon(path: string, size = 22, className?: string): SVGSVGElement {
const svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
svg.setAttribute('viewBox', '0 0 24 24');
svg.setAttribute('width', String(size));
svg.setAttribute('height', String(size));
svg.setAttribute('fill', 'none');
svg.setAttribute('stroke', 'currentColor');
svg.setAttribute('stroke-width', '2');
svg.setAttribute('stroke-linecap', 'round');
svg.setAttribute('stroke-linejoin', 'round');
if (className) svg.setAttribute('class', className);
const p = document.createElementNS('http://www.w3.org/2000/svg', 'path');
p.setAttribute('d', path);
svg.appendChild(p);
return svg;
}
const I = {
chevron: 'M9 18l6-6-6-6',
cloud: 'M17.5 19a4.5 4.5 0 0 0 .5-9 6 6 0 0 0-11.6-1.6A4 4 0 0 0 6 19z',
globe: 'M12 2a10 10 0 1 0 0 20 10 10 0 0 0 0-20M2 12h20M12 2a15 15 0 0 1 0 20 15 15 0 0 1 0-20',
bolt: 'M13 2 4 14h7l-1 8 9-12h-7z',
shield: 'M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10',
check: 'M20 6 9 17l-5-5',
};
async function tap(style: ImpactStyle = ImpactStyle.Light): Promise<void> {
try {
await Haptics.impact({ style });
} catch {
/* web / unavailable */
}
}
async function notify(type: NotificationType): Promise<void> {
try {
await Haptics.notification({ type });
} catch {
/* web / unavailable */
}
}
// ── Screen transitions ──────────────────────────────────────────────────────
let current: HTMLElement | null = null;
function show(screen: HTMLElement, opts: { back?: boolean } = {}): void {
screen.classList.add('screen', 'screen-enter');
if (opts.back) screen.classList.add('screen-back');
const previous = current;
if (previous) {
previous.classList.remove('screen-enter');
previous.classList.add('screen-leave');
if (opts.back) previous.classList.add('screen-back');
previous.addEventListener('animationend', () => previous.remove(), { once: true });
setTimeout(() => previous.remove(), 400);
}
root.append(screen);
current = screen;
}
function externalLink(text: string, href: string): HTMLAnchorElement {
return el('a', { href, target: '_blank', rel: 'noopener noreferrer' }, text);
}
function footLinks(...extra: Node[]): HTMLElement {
return el('div', { className: 'foot-links' }, ...extra, externalLink(t('native.privacy'), PRIVACY_URL));
}
function topbar(onBack: () => void): HTMLElement {
const back = el('button', { type: 'button', className: 'back' }, icon('M15 18l-6-6 6-6', 18), t('native.back'));
back.addEventListener('click', () => {
void tap();
onBack();
});
return el('div', { className: 'topbar' }, back);
}
// ── Welcome ─────────────────────────────────────────────────────────────────
function showWelcome(opts: { back?: boolean } = {}): void {
// The full TREK wordmark, in the variant that reads on the current scheme.
const hero = el(
'span',
{ className: 'hero-logo' },
el('img', { src: logoWhite, alt: 'TREK', className: 'on-dark' }),
el('img', { src: logoBlack, alt: '', className: 'on-light' })
);
const connect = el(
'button',
{ type: 'button', className: 'btn btn-ghost' },
el(
'span',
{ className: 'btn-row' },
el('b', {}, t('native.welcome.connect')),
el('small', {}, t('native.welcome.connectSub'))
),
icon(I.chevron, 20, 'chev')
);
connect.addEventListener('click', () => {
void tap();
showConnect();
});
const cloud = el(
'button',
{ type: 'button', className: 'btn' },
el(
'span',
{ className: 'btn-row' },
el('b', {}, t('native.welcome.getCloud')),
el('small', {}, t('native.welcome.getCloudSub'))
),
icon(I.chevron, 20, 'chev')
);
cloud.addEventListener('click', () => {
void tap();
showCloud();
});
const demo = el('button', { type: 'button', className: 'demo-link' }, t('native.connect.tryDemo'));
demo.addEventListener('click', () => runDemo(demo));
show(
el(
'div',
{},
hero,
el('h1', { className: 'title brand-title' }, t('native.welcome.headline')),
el('p', { className: 'sub' }, t('native.welcome.sub')),
cloud,
connect,
demo,
footLinks(externalLink(t('native.connect.whatIsServer'), SERVER_DOCS_URL))
),
opts
);
}
// ── Connect (address) ───────────────────────────────────────────────────────
function showConnect(prefill = '', opts: { back?: boolean } = {}): void {
const input = el('input', {
type: 'url',
placeholder: t('native.connect.placeholder'),
value: prefill,
autocapitalize: 'off',
spellcheck: false,
});
input.setAttribute('inputmode', 'url');
input.setAttribute('autocomplete', 'url');
// The on-screen keyboard's return key submits the address; it reads "Go", not a newline.
input.setAttribute('enterkeyhint', 'go');
input.setAttribute('aria-label', t('native.connect.title'));
const field = el('div', { className: 'field' }, input);
const label = el('span', {}, t('native.connect.submit'));
const submit = el('button', { type: 'submit', className: 'btn' }, label);
const error = el('p', { className: 'error', role: 'alert' });
const form = el('form', { className: 'form', noValidate: true }, field, submit, error);
const fail = (reason: ProbeFailure): void => {
void notify(NotificationType.Error);
field.classList.add('bad');
setTimeout(() => field.classList.remove('bad'), 350);
error.textContent = failureMessage(reason);
input.disabled = false;
submit.disabled = false;
label.textContent = t('native.connect.submit');
submit.replaceChildren(label);
input.focus();
};
form.addEventListener('submit', async (event) => {
event.preventDefault();
void tap(ImpactStyle.Medium);
error.textContent = '';
input.disabled = true;
submit.disabled = true;
submit.replaceChildren(el('span', { className: 'spinner' }), t('native.connect.checking'));
const result = await probeServer(input.value, get);
if (result.ok) {
await connected(result.url);
return;
}
fail(result.reason);
});
show(
el(
'div',
{},
topbar(() => showWelcome({ back: true })),
el('h1', { className: 'title-sm' }, t('native.connect.title')),
el('p', { className: 'sub' }, t('native.connect.hint')),
form,
footLinks(externalLink(t('native.connect.whatIsServer'), SERVER_DOCS_URL))
),
opts
);
requestAnimationFrame(() => input.focus());
}
// ── Get TREK Cloud ──────────────────────────────────────────────────────────
function feature(path: string, text: string): HTMLElement {
return el(
'div',
{ className: 'feature' },
el('span', { className: 'ic' }, icon(path, 18)),
el('span', { className: 'tx' }, text)
);
}
function showCloud(opts: { back?: boolean } = {}): void {
const cta = el('button', { type: 'button', className: 'btn' }, t('native.cloud.cta'), icon(I.chevron, 20, 'chev'));
cta.addEventListener('click', () => {
void tap();
showPlans();
});
const have = el('button', { type: 'button', className: 'linkbtn' }, t('native.cloud.haveServer'));
have.addEventListener('click', () => {
void tap();
showConnect();
});
show(
el(
'div',
{},
topbar(() => showWelcome({ back: true })),
el(
'div',
{ className: 'cloud-wordmark', role: 'img', ariaLabel: t('native.cloud.title') },
el('img', { src: logoWhite, alt: '', className: 'on-dark' }),
el('img', { src: logoBlack, alt: '', className: 'on-light' }),
el('span', { className: 'cloud-tag' }, 'cloud')
),
el('p', { className: 'sub' }, t('native.cloud.sub')),
el(
'div',
{ className: 'features' },
feature(I.globe, t('native.cloud.f1')),
feature(I.bolt, t('native.cloud.f2')),
feature(I.shield, t('native.cloud.f3'))
),
cta,
have,
footLinks()
),
opts
);
}
// ── Choose a plan (TREK Cloud) ──────────────────────────────────────────────
interface CloudPlan {
id: string;
name: string;
monthlyCents: number;
yearlyCents: number;
aiDocuments: number;
storageGb: number;
}
function money(cents: number): string {
return new Intl.NumberFormat(locale, { style: 'currency', currency: 'EUR' }).format(cents / 100);
}
// A sample catalogue for the dev preview only: the cloud site is behind a gate
// during development, so its /api/plans is unreachable from a local build. Never
// used in a real build (see the import.meta.env.DEV guard below).
const SAMPLE_PLANS: CloudPlan[] = [
{ id: 'start', name: 'Start', monthlyCents: 599, yearlyCents: 5990, aiDocuments: 0, storageGb: 10 },
{ id: 'plus', name: 'Plus', monthlyCents: 999, yearlyCents: 9990, aiDocuments: 100, storageGb: 50 },
{ id: 'pro', name: 'Pro', monthlyCents: 1599, yearlyCents: 15990, aiDocuments: 500, storageGb: 200 },
{ id: 'studio', name: 'Studio', monthlyCents: 2399, yearlyCents: 23990, aiDocuments: 2000, storageGb: 1000 },
];
async function fetchPlans(): Promise<CloudPlan[] | null> {
try {
const res = await get(`${CLOUD_URL}/api/plans`);
const data = typeof res.data === 'string' ? JSON.parse(res.data) : res.data;
const plans = (data as { plans?: CloudPlan[] })?.plans;
if (Array.isArray(plans) && plans.length) return plans;
} catch {
// Fall through to the preview fallback.
}
if (import.meta.env?.DEV) return SAMPLE_PLANS;
return null;
}
function subscribe(plan: CloudPlan, interval: 'month' | 'year'): void {
void tap(ImpactStyle.Medium);
// In-app purchase when this build can take one; otherwise finish on the web, so
// nothing half-wired faces a customer until the store products exist.
if (iapAvailable) {
showClaim(plan, interval);
} else {
window.open(`${CLOUD_URL}/order?plan=${encodeURIComponent(plan.id)}`, '_blank', 'noopener');
}
}
function planCard(plan: CloudPlan, interval: 'month' | 'year', featured: boolean): HTMLElement {
const price = interval === 'year' ? plan.yearlyCents : plan.monthlyCents;
const per = interval === 'year' ? t('native.plans.perYear') : t('native.plans.perMonth');
const feat = (text: string) => el('span', {}, icon(I.check, 16), text);
// An absent feature (e.g. a plan with no AI documents): a muted dash, not a
// green tick, so "none" never reads as a perk.
const featOff = (text: string) => el('span', { className: 'off' }, icon('M5 12h14', 16), text);
const sub = el('button', { type: 'button', className: 'btn' }, t('native.plans.subscribe'));
sub.addEventListener('click', () => subscribe(plan, interval));
return el(
'div',
{ className: featured ? 'plan featured' : 'plan' },
el(
'div',
{ className: 'plan-top' },
el('span', { className: 'plan-name' }, plan.name),
el('span', { className: 'plan-price' }, money(price), el('small', {}, per))
),
el(
'div',
{ className: 'plan-feats' },
feat(t('native.plans.unlimited')),
feat(t('native.plans.storage', { n: String(plan.storageGb) })),
plan.aiDocuments > 0
? feat(t('native.plans.aiDocs', { n: String(plan.aiDocuments) }))
: featOff(t('native.plans.noAi'))
),
sub
);
}
function showPlans(opts: { back?: boolean } = {}): void {
let interval: 'month' | 'year' = 'month';
let plans: CloudPlan[] | null = null;
const content = el('div', { className: 'loading' }, el('span', { className: 'spinner' }));
const monthBtn = el('button', { type: 'button' }, t('native.plans.monthly'));
const yearBtn = el('button', { type: 'button' }, t('native.plans.yearly'));
const seg = el('div', { className: 'segmented' }, monthBtn, yearBtn);
const paintSeg = () => {
monthBtn.setAttribute('aria-pressed', String(interval === 'month'));
yearBtn.setAttribute('aria-pressed', String(interval === 'year'));
};
const renderList = () => {
const list = plans;
if (!list) return;
content.className = 'plans';
content.replaceChildren(...list.map((p) => planCard(p, interval, false)));
};
const choose = (next: 'month' | 'year') => {
if (interval === next) return;
void tap();
interval = next;
paintSeg();
renderList();
};
monthBtn.addEventListener('click', () => choose('month'));
yearBtn.addEventListener('click', () => choose('year'));
paintSeg();
const load = async () => {
plans = await fetchPlans();
if (plans) {
renderList();
return;
}
content.className = '';
const retry = el('button', { type: 'button', className: 'btn btn-ghost' }, t('native.plans.retry'));
retry.addEventListener('click', () => {
void tap();
content.className = 'loading';
content.replaceChildren(el('span', { className: 'spinner' }));
void load();
});
content.replaceChildren(el('p', { className: 'error' }, t('native.plans.loadError')), retry);
};
show(
el(
'div',
{},
topbar(() => showCloud({ back: true })),
el('h1', { className: 'title-sm' }, t('native.plans.title')),
el('p', { className: 'sub' }, t('native.plans.sub')),
seg,
content,
el('p', { className: 'note' }, t('native.plans.soon'))
),
opts
);
void load();
}
// ── Claim a TREK Cloud instance (choose address, buy, provision) ────────────
type SlugStatus = 'available' | 'taken' | 'invalid' | 'reserved' | 'error';
async function slugStatus(slug: string): Promise<SlugStatus> {
try {
const res = await get(`${CLOUD_URL}/api/slug/check?slug=${encodeURIComponent(slug)}`);
const data = typeof res.data === 'string' ? JSON.parse(res.data) : res.data;
const status = (data as { status?: string })?.status;
if (status === 'available' || status === 'taken' || status === 'invalid' || status === 'reserved') return status;
return 'error';
} catch {
return 'error';
}
}
interface RedeemResult {
ok: boolean;
/** Set when ok: the address the app loads. */
instanceUrl?: string;
/** Set when not ok: a stable refusal code. */
code?: string;
}
async function redeemPurchase(slug: string, email: string, purchase: Purchase): Promise<RedeemResult> {
try {
const res = await CapacitorHttp.post({
url: `${CLOUD_URL}/api/iap/redeem`,
headers: { 'content-type': 'application/json' },
connectTimeout: PROBE_TIMEOUT_MS,
readTimeout: PROBE_TIMEOUT_MS,
data: { platform: purchase.platform, productId: purchase.productId, receipt: purchase.receipt, slug, email },
});
const data = typeof res.data === 'string' ? JSON.parse(res.data) : res.data;
const body = (data ?? {}) as { instanceUrl?: string; code?: string };
if ((res.status === 200 || res.status === 201) && typeof body.instanceUrl === 'string') {
return { ok: true, instanceUrl: body.instanceUrl };
}
return { ok: false, code: body.code ?? 'redeem-failed' };
} catch {
return { ok: false, code: 'redeem-failed' };
}
}
function showClaim(plan: CloudPlan, interval: 'month' | 'year', opts: { back?: boolean } = {}): void {
const price = interval === 'year' ? plan.yearlyCents : plan.monthlyCents;
const slugInput = el('input', {
type: 'text',
className: 'slug-input',
autocapitalize: 'off',
spellcheck: false,
value: '',
placeholder: t('native.claim.addressLabel'),
});
slugInput.setAttribute('inputmode', 'url');
slugInput.setAttribute('autocomplete', 'off');
slugInput.setAttribute('maxlength', '40');
slugInput.setAttribute('aria-label', t('native.claim.addressLabel'));
const slugField = el(
'div',
{ className: 'field slug-field' },
slugInput,
el('span', { className: 'slug-suffix' }, cloudSuffix())
);
const slugNote = el('p', { className: 'hint' });
const emailInput = el('input', {
type: 'email',
value: '',
autocapitalize: 'off',
spellcheck: false,
placeholder: t('native.claim.emailLabel'),
});
emailInput.setAttribute('inputmode', 'email');
emailInput.setAttribute('autocomplete', 'email');
emailInput.setAttribute('enterkeyhint', 'go');
emailInput.setAttribute('aria-label', t('native.claim.emailLabel'));
const emailField = el('div', { className: 'field' }, emailInput);
const submit = el(
'button',
{ type: 'submit', className: 'btn' },
t('native.claim.subscribe', { price: money(price) })
);
const error = el('p', { className: 'error', role: 'alert' });
const form = el(
'form',
{ className: 'form', noValidate: true },
slugField,
slugNote,
emailField,
el('p', { className: 'hint' }, t('native.claim.emailHint')),
submit,
error
);
let status: SlugStatus | null = null;
let timer: ReturnType<typeof setTimeout> | undefined;
const noteFor: Partial<Record<SlugStatus, string>> = {
available: t('native.claim.free'),
taken: t('native.claim.taken'),
invalid: t('native.claim.invalid'),
reserved: t('native.claim.reserved'),
};
slugInput.addEventListener('input', () => {
clearTimeout(timer);
status = null;
slugNote.textContent = '';
slugNote.className = 'hint';
slugField.classList.remove('bad');
const value = slugInput.value.trim().toLowerCase();
if (value.length < 3) return;
timer = setTimeout(async () => {
const result = await slugStatus(value);
if (slugInput.value.trim().toLowerCase() !== value) return;
status = result;
slugNote.textContent = noteFor[result] ?? '';
slugNote.className = `hint ${result === 'available' ? 'ok' : result === 'error' ? '' : 'bad'}`;
}, 350);
});
const shake = (field: HTMLElement): void => {
void notify(NotificationType.Error);
field.classList.add('bad');
setTimeout(() => field.classList.remove('bad'), 350);
};
form.addEventListener('submit', async (event) => {
event.preventDefault();
error.textContent = '';
const slug = slugInput.value.trim().toLowerCase();
const email = emailInput.value.trim();
if (slug.length < 3 || status === 'taken' || status === 'invalid' || status === 'reserved') {
shake(slugField);
slugInput.focus();
return;
}
if (!/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email)) {
shake(emailField);
emailInput.focus();
return;
}
void tap(ImpactStyle.Medium);
const lock = (on: boolean) => {
slugInput.disabled = on;
emailInput.disabled = on;
submit.disabled = on;
};
lock(true);
submit.replaceChildren(el('span', { className: 'spinner' }), t('native.connect.checking'));
const restore = () => {
lock(false);
submit.replaceChildren(t('native.claim.subscribe', { price: money(price) }));
};
const outcome = await iap.purchase(productIdFor(plan.id, interval));
if (outcome.kind === 'cancelled') {
restore();
error.textContent = t('native.claim.cancelled');
return;
}
if (outcome.kind === 'failed') {
void notify(NotificationType.Error);
restore();
error.textContent = t('native.claim.failed');
return;
}
const redeemed = await redeemPurchase(slug, email, outcome.purchase);
if (redeemed.ok && redeemed.instanceUrl) {
showProvisioning(redeemed.instanceUrl);
return;
}
void notify(NotificationType.Error);
restore();
if (redeemed.code === 'slug-taken') {
shake(slugField);
slugNote.textContent = t('native.claim.taken');
slugNote.className = 'hint bad';
} else {
error.textContent = t('native.claim.redeemFailed');
}
});
show(
el(
'div',
{},
topbar(() => showPlans({ back: true })),
el('h1', { className: 'title-sm' }, t('native.claim.title')),
el('p', { className: 'sub' }, t('native.claim.sub')),
form
),
opts
);
requestAnimationFrame(() => slugInput.focus());
}
/** The build runs on the server; the app waits on the new address and loads it the moment it answers. */
function showProvisioning(instanceUrl: string): void {
const host = (() => {
try {
return new URL(instanceUrl).host;
} catch {
return instanceUrl;
}
})();
const spinner = el('div', { className: 'provision-mark' }, el('span', { className: 'spinner' }));
show(
el(
'div',
{ className: 'screen-center' },
spinner,
el('h1', { className: 'title-sm' }, t('native.provisioning.title')),
el('p', { className: 'sub' }, t('native.provisioning.sub', { host }))
)
);
const deadline = Date.now() + 180_000;
const poll = async (): Promise<void> => {
const result = await probeServer(instanceUrl, get);
if (result.ok) {
await connected(result.url);
return;
}
if (Date.now() > deadline) {
showProvisioningSlow(instanceUrl);
return;
}
setTimeout(() => void poll(), 4000);
};
setTimeout(() => void poll(), 3000);
}
function showProvisioningSlow(instanceUrl: string): void {
void notify(NotificationType.Warning);
const retry = el('button', { type: 'button', className: 'btn' }, t('native.provisioning.retry'));
retry.addEventListener('click', () => {
void tap();
showProvisioning(instanceUrl);
});
show(
el(
'div',
{ className: 'screen-center' },
el('h1', { className: 'title-sm' }, t('native.provisioning.failedTitle')),
el('p', { className: 'sub' }, t('native.provisioning.failedSub')),
retry
)
);
}
// ── Shared actions ──────────────────────────────────────────────────────────
async function runDemo(button: HTMLButtonElement, error?: HTMLElement): Promise<void> {
void tap();
if (error) error.textContent = '';
button.disabled = true;
const result = await probeDemo(get);
if (result.ok) {
await connected(result.url);
return;
}
button.disabled = false;
if (error) {
error.textContent = failureMessage(result.reason);
} else {
void notify(NotificationType.Error);
}
}
/** The tick, then the server takes over. A beat so the success registers. */
async function connected(url: string): Promise<void> {
void notify(NotificationType.Success);
const host = (() => {
try {
return new URL(url).host;
} catch {
return url;
}
})();
const tick = el('div', { className: 'tick' });
const svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
svg.setAttribute('viewBox', '0 0 24 24');
svg.setAttribute('fill', 'none');
svg.setAttribute('stroke', 'currentColor');
svg.setAttribute('stroke-width', '2.5');
svg.setAttribute('stroke-linecap', 'round');
svg.setAttribute('stroke-linejoin', 'round');
const p = document.createElementNS('http://www.w3.org/2000/svg', 'path');
p.setAttribute('d', I.check);
svg.appendChild(p);
tick.appendChild(svg);
show(
el('div', { className: 'success' }, tick, el('h1', { className: 'title-sm' }, t('native.connecting', { host })))
);
await new Promise((r) => setTimeout(r, 700));
await TrekShell.setServer({ url });
}
function showUnreachable(server: string): void {
const retry = el('button', { type: 'button', className: 'btn' }, t('native.offline.retry'));
retry.addEventListener('click', () => {
void tap();
retry.disabled = true;
void TrekShell.reload();
});
const change = el('button', { type: 'button', className: 'linkbtn' }, t('native.changeServer'));
change.addEventListener('click', () => {
void tap();
void TrekShell.resetServer();
});
show(
el(
'div',
{},
el('img', { src: logoUrl, alt: '', className: 'shell-logo' }),
el('h1', { className: 'title-sm' }, t('native.offline.title')),
el('p', { className: 'sub' }, t('native.offline.hint', { server: new URL(server).host })),
retry,
change,
footLinks()
)
);
}
// ── Start ───────────────────────────────────────────────────────────────────
/**
* The address screen is always on the near-black surface, so the status bar must
* draw its clock and icons in light. The server's UI sets its own style once it
* loads (native/nativeApp.ts); this is only for the screen the app ships. Fails
* quietly where there is no status bar (web, the simulator without the plugin).
*/
async function paintStatusBar(): Promise<void> {
try {
await StatusBar.setStyle({ style: Style.Dark });
} catch {
/* web / unavailable: no native status bar to style */
}
}
async function start(): Promise<void> {
void paintStatusBar();
iap.isAvailable().then((ok) => {
iapAvailable = ok;
});
let url: string | null;
try {
({ url } = await TrekShell.getServer());
} catch {
// No native shell under us (a web preview, or a simulator without the
// plugin): there is no remembered server, so start at the welcome screen
// rather than leaving a blank page.
showWelcome();
await SplashScreen.hide().catch(() => {});
return;
}
if (!url) {
showWelcome();
} else {
// Only reached when loading the server failed. On iOS the stored copy of
// its start page brings the offline-capable UI up anyway.
const { opened } = await TrekShell.openOfflineCopy();
if (opened) return;
showUnreachable(url);
}
await SplashScreen.hide();
}
void start();