/**
 * Cross-platform crypto utilities
 * Provides hashing functions that work in both Node.js and browser environments
 */
/**
 * Simple string hash function that works in all environments
 * Uses djb2 algorithm - fast and good distribution
 * @param str - String to hash
 * @returns Positive integer hash
 */
export function hashString(str) {
    let hash = 5381;
    for (let i = 0; i < str.length; i++) {
        const char = str.charCodeAt(i);
        hash = ((hash << 5) + hash) + char; // hash * 33 + char
    }
    // Ensure positive number
    return Math.abs(hash);
}
/**
 * Alternative: FNV-1a hash algorithm
 * Good distribution and fast
 * @param str - String to hash
 * @returns Positive integer hash
 */
export function fnv1aHash(str) {
    let hash = 2166136261;
    for (let i = 0; i < str.length; i++) {
        hash ^= str.charCodeAt(i);
        hash = (hash * 16777619) >>> 0;
    }
    return hash;
}
/**
 * Generate a deterministic hash for partitioning
 * Uses the most appropriate algorithm for the environment
 * @param input - Input string to hash
 * @returns Positive integer hash suitable for modulo operations
 */
export function getPartitionHash(input) {
    // Use djb2 by default as it's fast and has good distribution
    // This ensures consistent partitioning across all environments
    return hashString(input);
}
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