混淆數值

shuffle-2.js

function shuffle(obj, key){
  if(['order', 'type', 'sector_1_id', 'sector_2_id', 'id'].includes(key)){
    return obj 
  }
  if(['name'].includes(key)){
    return '明天無限美好'
  }
  if(['sub_funds', 'score_rating_intervals'].includes(key)){
    return []
  }
  if(['months_volatility', 'months_performance', 'event_performances', 'event_volatilities'].includes(key)){
    return {}
  }
  if([
    'report_url',
    'annual_report_url',
    'notice_url',
    'prospectus_url',
    'download_reports_url',
  ].includes(key)){
    return null
  }
  if(obj instanceof Array){
    return obj.map(e => shuffle(e))
  }
  if(obj instanceof Object){
    return Object.entries(obj).reduce((obj, [key, value]) => ({...obj, [key]: shuffle(value, key)}), {})
  }
  if(typeof obj == 'number'){
    // Year
    if(String(obj).match(/^(19|20)\d{2}$/)){
      return obj
    }
    const digits = Math.max(0, String(obj).length - String(Math.round(obj)).length -1)
    return +(Math.random()*obj).toFixed(Math.min(6, digits)) * (Math.random() < 0.5 ? -1 : 1) 
  }
  if(typeof obj == 'string'){
    return obj.replace(/[\n\r\t]/g, '')
  }
  return obj
}

shuffle.js

function shuffle(obj){
  if(obj instanceof Array){
    return obj.map(e => shuffle(e))
  }
  if(obj instanceof Object){
    return Object.entries(obj).reduce((obj, [key, value]) => ({...obj, [key]: shuffle(value)}), {})
  }
  if(typeof obj == 'number'){
    // Year
    if(String(obj).match(/^(19|20)\d{2}$/)){
      return obj
    }
    return +(Math.random()*obj).toFixed(6)
  }
  if(typeof obj == 'string'){
    return obj.replace(/[\n\r\t]/g, '')
  }
  return obj
}