INit

resources/js/hooks/use-appearance.tsx

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+import { useCallback, useEffect, useState } from 'react';
+
+export type Appearance = 'light' | 'dark' | 'system';
+
+const prefersDark = () => {
+    if (typeof window === 'undefined') {
+        return false;
+    }
+
+    return window.matchMedia('(prefers-color-scheme: dark)').matches;
+};
+
+const setCookie = (name: string, value: string, days = 365) => {
+    if (typeof document === 'undefined') {
+        return;
+    }
+
+    const maxAge = days * 24 * 60 * 60;
+    document.cookie = `${name}=${value};path=/;max-age=${maxAge};SameSite=Lax`;
+};
+
+const applyTheme = (appearance: Appearance) => {
+    const isDark =
+        appearance === 'dark' || (appearance === 'system' && prefersDark());
+
+    document.documentElement.classList.toggle('dark', isDark);
+    document.documentElement.style.colorScheme = isDark ? 'dark' : 'light';
+};
+
+const mediaQuery = () => {
+    if (typeof window === 'undefined') {
+        return null;
+    }
+
+    return window.matchMedia('(prefers-color-scheme: dark)');
+};
+
+const handleSystemThemeChange = () => {
+    const currentAppearance = localStorage.getItem('appearance') as Appearance;
+    applyTheme(currentAppearance || 'system');
+};
+
+export function initializeTheme() {
+    const savedAppearance =
+        (localStorage.getItem('appearance') as Appearance) || 'system';
+
+    applyTheme(savedAppearance);
+
+    // Add the event listener for system theme changes...
+    mediaQuery()?.addEventListener('change', handleSystemThemeChange);
+}
+
+export function useAppearance() {
+    const [appearance, setAppearance] = useState<Appearance>('system');
+
+    const updateAppearance = useCallback((mode: Appearance) => {
+        setAppearance(mode);
+
+        // Store in localStorage for client-side persistence...
+        localStorage.setItem('appearance', mode);
+
+        // Store in cookie for SSR...
+        setCookie('appearance', mode);
+
+        applyTheme(mode);
+    }, []);
+
+    useEffect(() => {
+        const savedAppearance = localStorage.getItem(
+            'appearance',
+        ) as Appearance | null;
+        updateAppearance(savedAppearance || 'system');
+
+        return () =>
+            mediaQuery()?.removeEventListener(
+                'change',
+                handleSystemThemeChange,
+            );
+    }, [updateAppearance]);
+
+    return { appearance, updateAppearance } as const;
+}

resources/js/hooks/use-clipboard.ts

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+// Credit: https://usehooks-ts.com/
+import { useCallback, useState } from 'react';
+
+type CopiedValue = string | null;
+
+type CopyFn = (text: string) => Promise<boolean>;
+
+export function useClipboard(): [CopiedValue, CopyFn] {
+    const [copiedText, setCopiedText] = useState<CopiedValue>(null);
+
+    const copy: CopyFn = useCallback(async (text) => {
+        if (!navigator?.clipboard) {
+            console.warn('Clipboard not supported');
+
+            return false;
+        }
+
+        try {
+            await navigator.clipboard.writeText(text);
+            setCopiedText(text);
+
+            return true;
+        } catch (error) {
+            console.warn('Copy failed', error);
+            setCopiedText(null);
+
+            return false;
+        }
+    }, []);
+
+    return [copiedText, copy];
+}

resources/js/hooks/use-initials.tsx

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+import { useCallback } from 'react';
+
+export function useInitials() {
+    return useCallback((fullName: string): string => {
+        const names = fullName.trim().split(' ');
+
+        if (names.length === 0) return '';
+        if (names.length === 1) return names[0].charAt(0).toUpperCase();
+
+        const firstInitial = names[0].charAt(0);
+        const lastInitial = names[names.length - 1].charAt(0);
+
+        return `${firstInitial}${lastInitial}`.toUpperCase();
+    }, []);
+}

resources/js/hooks/use-mobile-navigation.ts

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+import { useCallback } from 'react';
+
+export function useMobileNavigation() {
+    return useCallback(() => {
+        // Remove pointer-events style from body...
+        document.body.style.removeProperty('pointer-events');
+    }, []);
+}

resources/js/hooks/use-mobile.tsx

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+import { useEffect, useState } from 'react';
+
+const MOBILE_BREAKPOINT = 768;
+
+export function useIsMobile() {
+    const [isMobile, setIsMobile] = useState<boolean>();
+
+    useEffect(() => {
+        const mql = window.matchMedia(
+            `(max-width: ${MOBILE_BREAKPOINT - 1}px)`,
+        );
+
+        const onChange = () => {
+            setIsMobile(window.innerWidth < MOBILE_BREAKPOINT);
+        };
+
+        mql.addEventListener('change', onChange);
+        setIsMobile(window.innerWidth < MOBILE_BREAKPOINT);
+
+        return () => mql.removeEventListener('change', onChange);
+    }, []);
+
+    return !!isMobile;
+}

resources/js/hooks/use-two-factor-auth.ts

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+import { qrCode, recoveryCodes, secretKey } from '@/routes/two-factor';
+import { useCallback, useMemo, useState } from 'react';
+
+interface TwoFactorSetupData {
+    svg: string;
+    url: string;
+}
+
+interface TwoFactorSecretKey {
+    secretKey: string;
+}
+
+export const OTP_MAX_LENGTH = 6;
+
+const fetchJson = async <T>(url: string): Promise<T> => {
+    const response = await fetch(url, {
+        headers: { Accept: 'application/json' },
+    });
+
+    if (!response.ok) {
+        throw new Error(`Failed to fetch: ${response.status}`);
+    }
+
+    return response.json();
+};
+
+export const useTwoFactorAuth = () => {
+    const [qrCodeSvg, setQrCodeSvg] = useState<string | null>(null);
+    const [manualSetupKey, setManualSetupKey] = useState<string | null>(null);
+    const [recoveryCodesList, setRecoveryCodesList] = useState<string[]>([]);
+    const [errors, setErrors] = useState<string[]>([]);
+
+    const hasSetupData = useMemo<boolean>(
+        () => qrCodeSvg !== null && manualSetupKey !== null,
+        [qrCodeSvg, manualSetupKey],
+    );
+
+    const fetchQrCode = useCallback(async (): Promise<void> => {
+        try {
+            const { svg } = await fetchJson<TwoFactorSetupData>(qrCode.url());
+            setQrCodeSvg(svg);
+        } catch {
+            setErrors((prev) => [...prev, 'Failed to fetch QR code']);
+            setQrCodeSvg(null);
+        }
+    }, []);
+
+    const fetchSetupKey = useCallback(async (): Promise<void> => {
+        try {
+            const { secretKey: key } = await fetchJson<TwoFactorSecretKey>(
+                secretKey.url(),
+            );
+            setManualSetupKey(key);
+        } catch {
+            setErrors((prev) => [...prev, 'Failed to fetch a setup key']);
+            setManualSetupKey(null);
+        }
+    }, []);
+
+    const clearErrors = useCallback((): void => {
+        setErrors([]);
+    }, []);
+
+    const clearSetupData = useCallback((): void => {
+        setManualSetupKey(null);
+        setQrCodeSvg(null);
+        clearErrors();
+    }, [clearErrors]);
+
+    const fetchRecoveryCodes = useCallback(async (): Promise<void> => {
+        try {
+            clearErrors();
+            const codes = await fetchJson<string[]>(recoveryCodes.url());
+            setRecoveryCodesList(codes);
+        } catch {
+            setErrors((prev) => [...prev, 'Failed to fetch recovery codes']);
+            setRecoveryCodesList([]);
+        }
+    }, [clearErrors]);
+
+    const fetchSetupData = useCallback(async (): Promise<void> => {
+        try {
+            clearErrors();
+            await Promise.all([fetchQrCode(), fetchSetupKey()]);
+        } catch {
+            setQrCodeSvg(null);
+            setManualSetupKey(null);
+        }
+    }, [clearErrors, fetchQrCode, fetchSetupKey]);
+
+    return {
+        qrCodeSvg,
+        manualSetupKey,
+        recoveryCodesList,
+        hasSetupData,
+        errors,
+        clearErrors,
+        clearSetupData,
+        fetchQrCode,
+        fetchSetupKey,
+        fetchSetupData,
+        fetchRecoveryCodes,
+    };
+};