AI Code Toolkit

/** * Generate a stable, random ID string * * @param length - Length of the ID to generate (default: 8) * @returns A random alphanumeric ID string (lowercase) * * @remarks * Negative or non-integer lengths are normalized (floored and clamped to 0). * Returns empty string for length <= 0. * * @example * ```typescript * const id = generateStableId(6); // Returns something like "a3f9k2" * ``` */ export function generateStableId(length = 8): string { const chars = 'abcdefghijklmnopqrstuvwxyz0123456789'; let result = ''; // Handle edge cases: negative or non-integer lengths const normalizedLength = Math.max(0, Math.floor(length)); if (normalizedLength === 0) { return ''; } // Use crypto for better randomness if (typeof crypto !== 'undefined' && crypto.getRandomValues) { const values = new Uint8Array(normalizedLength); crypto.getRandomValues(values); for (let i = 0; i < normalizedLength; i++) { result += chars[values[i] % chars.length]; } } else { // Fallback for environments without crypto for (let i = 0; i < normalizedLength; i++) { result += chars[Math.floor(Math.random() * chars.length)]; } } return result; }