ndwallet-core/js/storage.js

Core cryptographic library for NDWallet browser environments

// Common key identifiers
export const KEY_SHARE = 'share';
export const KEY_AUTH_TOKEN = 'auth_token';
export const KEY_CREDENTIAL = 'credential';
export const KEY_DEVICE_SECRET = 'device_secret';
/**
 * Normalize a string by converting it to lowercase and trimming whitespace
 * @param value - The string to normalize
 * @returns The normalized string
 */
function _normalizeString(value) {
    return value.toLowerCase().trim();
}
/**
 * Save local data for a specific account
 * @param email - The email address associated with the account
 * @param key - The key identifier for the data (e.g., 'share', 'auth_token')
 * @param data - The data to save
 */
export function saveLocalData(email, key, data) {
    email = _normalizeString(email);
    if (typeof window === 'undefined') {
        throw new Error('This function can only be called in a browser environment');
    }
    try {
        // Store the data with the email and key as part of the storage key
        localStorage.setItem(`${key}-${email}`, JSON.stringify(data));
    }
    catch (error) {
        console.error(`Error saving ${key} to localStorage:`, error);
        if (error instanceof Error) {
            throw new Error(`Failed to save ${key}: ${error.message}`);
        }
        else {
            throw new Error(`Failed to save ${key}: ${String(error)}`);
        }
    }
}
/**
 * Get local data for a specific account
 * @param email - The email address associated with the account
 * @param key - The key identifier for the data (e.g., 'share', 'auth_token')
 * @returns The data or null if not found
 */
export function getLocalData(email, key) {
    email = _normalizeString(email);
    if (typeof window === 'undefined') {
        return null;
    }
    const data = localStorage.getItem(`${key}-${email}`);
    return data ? JSON.parse(data) : null;
}