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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 | 84x 27x 27x 27x 15x 15x 15x 15x 27x 27x 8x 19x 19x 15x 15x | /**
* Check if we're running in a browser environment
*/
export function isBrowser(): boolean {
return (
typeof window !== "undefined" &&
typeof window.localStorage !== "undefined"
);
}
/**
* Safely get item from localStorage
* Returns null if not in browser or if key doesn't exist
*
* @param key - Storage key
* @returns Stored value or null
*/
export function safeGetItem(key: string): string | null {
Iif (!isBrowser()) {
return null;
}
try {
return window.localStorage.getItem(key);
} catch {
// Handle cases where localStorage is blocked (e.g., private browsing)
return null;
}
}
/**
* Safely set item in localStorage
* No-op if not in browser
*
* @param key - Storage key
* @param value - Value to store
* @returns Whether the operation succeeded
*/
export function safeSetItem(key: string, value: string): boolean {
Iif (!isBrowser()) {
return false;
}
try {
window.localStorage.setItem(key, value);
return true;
} catch {
// Handle cases where localStorage is full or blocked
return false;
}
}
/**
* Safely remove item from localStorage
* No-op if not in browser
*
* @param key - Storage key
* @returns Whether the operation succeeded
*/
export function safeRemoveItem(key: string): boolean {
if (!isBrowser()) {
return false;
}
try {
window.localStorage.removeItem(key);
return true;
} catch {
return false;
}
}
/**
* Safely get and parse JSON from localStorage
*
* @param key - Storage key
* @param defaultValue - Default value if not found or parse fails
* @returns Parsed value or default
*/
export function safeGetJSON<T>(key: string, defaultValue: T): T {
const item = safeGetItem(key);
if (item === null) {
return defaultValue;
}
try {
return JSON.parse(item) as T;
} catch {
return defaultValue;
}
}
/**
* Safely stringify and set JSON to localStorage
*
* @param key - Storage key
* @param value - Value to store
* @returns Whether the operation succeeded
*/
export function safeSetJSON<T>(key: string, value: T): boolean {
try {
return safeSetItem(key, JSON.stringify(value));
} catch {
return false;
}
}
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