Function isFunction

packages/table-core/src/utils.ts:107–109

(d: any)

type AnyFunction = (...args: any) => any

export function isFunction<T extends AnyFunction>(d: any): d is T {
  return d instanceof Function
}

export function isNumberArray(d: any): d is number[] {
  return Array.isArray(d) && d.every(val => typeof val === 'number')