export const delay = (ms?: number | undefined) => new Promise(res => setTimeout(res, ms))

export function generateColumns(c, s) {
  if (!s) return c
  // 新的列
  const nC = [...c]
  if (s) {
    const properties = JSON.parse(s).properties
    const keys = Object.keys(properties)
    keys.forEach(item => {
      const isExist = c.some(column => column.dataIndex === item)
      // 该列在columns中未定义
      if (!isExist) {
        nC.splice(-2, 0, { dataIndex: item, title: properties[item].title })
      }
    })
  }
  return nC
}