Function extent

extent(iterable): [string, string] | [undefined, undefined]
Return the min and max simultaneously.
Parameters
- iterable: Iterable<string>
Returns [string, string] | [undefined, undefined]
extent<T>(iterable): [T, T] | [undefined, undefined]
Return the min and max simultaneously.
Type Parameters
- T extends Numeric
Parameters
- iterable: Iterable<T>
Returns [T, T] | [undefined, undefined]
extent<T>(iterable, accessor): [string, string] | [undefined, undefined]
Return the min and max simultaneously.
Type Parameters
- T
Parameters
- iterable: Iterable<T>
- accessor: ((datum, index, array) => string)
  - - (datum, index, array): string
    - Parameters
      datum: T
      index: number
      array: Iterable<T>
      Returns string
Returns [string, string] | [undefined, undefined]
extent<T, U>(iterable, accessor): [U, U] | [undefined, undefined]
Return the min and max simultaneously.
Type Parameters
- T
- U extends Numeric
Parameters
- iterable: Iterable<T>
- accessor: ((datum, index, array) => U)
  - - (datum, index, array): U
    - Parameters
      datum: T
      index: number
      array: Iterable<T>
      Returns U
Returns [U, U] | [undefined, undefined]