ulid.ts

Generates ULIDs (Universally Unique Lexicographically Sortable Identifiers) using timestamp and random components, ensuring monotonic ordering within the same millisecond.

// Source: https://github.com/wexare-ai/openbrowserclaw | License: MIT | Copyright 2026 Sacha Arbonel
// Provided via justclaw.it.com; keep this notice with the code.
// ---------------------------------------------------------------------------
// OpenBrowserClaw — ULID generator (no dependencies)
// ---------------------------------------------------------------------------

const ENCODING = '0123456789ABCDEFGHJKMNPQRSTVWXYZ';
const ENCODING_LEN = ENCODING.length;
const TIME_LEN = 10;
const RANDOM_LEN = 16;

let lastTime = 0;
let lastRandom: number[] = [];

/**
 * Generate a ULID (Universally Unique Lexicographically Sortable Identifier).
 * Monotonically increasing within the same millisecond.
 */
export function ulid(): string {
  const now = Date.now();

  if (now === lastTime) {
    

... (truncated -- full source via MCP)