Agent Zero
42 lines
1.3 KiB
TypeScript
42 lines
1.3 KiB
TypeScript
/**
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* Notification permission helper — request and check notification permissions (Task 5.24).
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*/
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export type NotificationPermissionState = 'default' | 'granted' | 'denied' | 'unsupported';
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export function getNotificationPermission(): NotificationPermissionState {
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if (!('Notification' in window)) return 'unsupported';
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return Notification.permission as NotificationPermissionState;
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}
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export async function requestNotificationPermission(): Promise<NotificationPermissionState> {
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if (!('Notification' in window)) return 'unsupported';
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if (Notification.permission === 'granted') return 'granted';
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if (Notification.permission === 'denied') return 'denied';
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try {
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const result = await Notification.requestPermission();
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return result as NotificationPermissionState;
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} catch {
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return 'denied';
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}
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}
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export function showNotification(title: string, options?: NotificationOptions): void {
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if (!('Notification' in window) || Notification.permission !== 'granted') return;
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try {
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new Notification(title, options);
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} catch {
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// Notification creation can fail in some browsers
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}
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}
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export function isPWAInstalled(): boolean {
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try {
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return window.matchMedia('(display-mode: standalone)').matches ||
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(window.navigator as unknown as { standalone?: boolean }).standalone === true;
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} catch {
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return false;
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}
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}
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