Janiczek

import fs from 'fs/promises';
const rules = [
  {
    rule: /var ([^=]+)( = F\d\([^f]+function)[^(]\(/gmi,
    replacement: `var $1$2 __$1( `,
  },
  {
    rule: /(\sA\d\([\s]+)([^,]+)(,[\s]+)(function[^(]+)\(/gm,
    replacement: `$1$2$3$4___$2(`,
  },