@atlaskit/editor-plugin-local-id/dist/es2019/pm-plugins/generateShortUUID.js

LocalId plugin for @atlaskit/editor-core

import { uuid } from '@atlaskit/adf-schema';

/**
 * Global Set to track currently generated and existing short UUIDs in the document.
 * Used to prevent duplicate short IDs when using crypto.randomUUID().
 */
export const generatedShortUUIDs = new Set();

/**
 * Generates a short UUID and checks for duplicates against both
 * generated UUIDs and existing UUIDs in the document.
 * Retries up to 10 times if a duplicate is found.
 * Falls back to full UUID if max retries exceeded.
 */
export const generateShortUUID = () => {
  const maxRetries = 10;
  for (let attempt = 0; attempt < maxRetries; attempt++) {
    try {
      // eslint-disable-next-line @atlassian/perf-linting/no-expensive-split-replace -- Ignored via go/ees017 (to be fixed)
      const shortUUID = crypto.randomUUID().split('-')[4];
      if (!generatedShortUUIDs.has(shortUUID)) {
        generatedShortUUIDs.add(shortUUID);
        return shortUUID;
      }
    } catch {
      break;
    }
  }
  // Fallback to full UUID if short UUID generation fails or max retries exceeded
  return uuid.generate();
};