75 lines
2.9 KiB
TypeScript
75 lines
2.9 KiB
TypeScript
 
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/**
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* [Gitea #121] The fork's expected-device check. Before joining, EC reports
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* the user's usual mic / output (the one they last picked) as missing; we ask
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* "Join anyway" or "Cancel". In a call, losing it is a toast. Pure helpers.
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*/
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export type DeviceKind = 'audioinput' | 'audiooutput';
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export type MissingDevice = { kind: DeviceKind; expected: string; fallback: string | null };
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const isKind = (k: unknown): k is DeviceKind => k === 'audioinput' || k === 'audiooutput';
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const parseOne = (v: unknown): MissingDevice | undefined => {
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if (!v || typeof v !== 'object') return undefined;
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const { kind, expected, fallback } = v as Record<string, unknown>;
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if (!isKind(kind) || typeof expected !== 'string' || !expected) return undefined;
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return { kind, expected, fallback: typeof fallback === 'string' && fallback ? fallback : null };
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};
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/** `io.lotus.device_missing` → the missing devices (empty if malformed). */
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export const parseDeviceMissing = (data: unknown): MissingDevice[] => {
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const list = (data as { missing?: unknown } | undefined)?.missing;
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if (!Array.isArray(list)) return [];
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return list.map(parseOne).filter((d): d is MissingDevice => !!d);
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};
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/** `io.lotus.device_lost` → the device that went away. */
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export const parseDeviceLost = (data: unknown): MissingDevice | undefined => parseOne(data);
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const what = (kind: DeviceKind): string => (kind === 'audioinput' ? 'microphone' : 'audio output');
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/** "Your usual microphone **Arctis 7** isn't connected." lines + the fallback. */
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export const describeMissing = (
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d: MissingDevice,
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): { title: string; expected: string; fallback: string } => ({
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title: `Your usual ${what(d.kind)} isn't connected`,
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expected: d.expected,
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fallback:
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d.fallback ?? (d.kind === 'audioinput' ? 'the default microphone' : 'the default output'),
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});
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export const describeLost = (d: MissingDevice): string =>
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`${d.expected} disconnected — now using ${
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d.fallback ?? (d.kind === 'audioinput' ? 'the default microphone' : 'the default output')
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}.`;
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// "Join anyway" holds for the rest of the session for the same device(s).
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const ACCEPTED_KEY = 'lotus-device-check-accepted';
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const keyOf = (missing: MissingDevice[]): string =>
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missing
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.map((d) => `${d.kind}:${d.expected}`)
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.sort()
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.join('|');
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const readAccepted = (): string[] => {
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try {
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const v: unknown = JSON.parse(sessionStorage.getItem(ACCEPTED_KEY) ?? '[]');
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return Array.isArray(v) ? v.filter((x): x is string => typeof x === 'string') : [];
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} catch {
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return [];
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}
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};
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export const isAcceptedThisSession = (missing: MissingDevice[]): boolean =>
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readAccepted().includes(keyOf(missing));
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export const acceptForSession = (missing: MissingDevice[]): void => {
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try {
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const list = readAccepted();
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const k = keyOf(missing);
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if (!list.includes(k)) sessionStorage.setItem(ACCEPTED_KEY, JSON.stringify([...list, k]));
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} catch {
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// storage unavailable: ask again next time
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}
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};
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