Function groupBy

groupBy<T>(arr: T[], groupKey: Exclude<keyof T, keyof { [ K in string | number | symbol as T[K] extends string | number ? never : K]: false }>): GroupByReturn<T>
根据属性名对参数一数组进行分组
Type Parameters
- T
Parameters
- arr: T[]
- groupKey: Exclude<keyof T, keyof { [ K in string | number | symbol as T[K] extends string | number ? never : K]: false }>
Returns GroupByReturn<T>
- Defined in array.ts:17
groupBy<T>(arr: T[], groupKey: ((ele: T, index: number) => string)): GroupByReturn<T>
根据参数二的函数返回的值对参数一数组进行分组
Type Parameters
- T
Parameters
- arr: T[]
- groupKey: ((ele: T, index: number) => string)
  - - (ele: T, index: number): string
    - Parameters
      
      ele: T
      
      index: number
      
      Returns string
Returns GroupByReturn<T>
- Defined in array.ts:23