shineout/css/utils/hash.ts

Shein 前端组件库

export default function createHash(obj: any) {
  let hash = 0
  let i
  let chr
  let len
  let str

  const type = typeof obj

  switch (type) {
    case 'object':
      str = JSON.stringify(obj)
      break
    case 'string':
      str = obj
      break
    default:
      str = obj ? obj.toString() : ''
      break
  }

  if (typeof str === 'string') {
    if (str.length === 0) return hash
    for (i = 0, len = str.length; i < len; i++) {
      chr = str.charCodeAt(i)
      // eslint-disable-next-line
      hash = (hash << 5) - hash + chr
      // eslint-disable-next-line
      hash |= 0 // Convert to 32bit integer
    }
  }

  return hash.toString(36)
}