Function throttle

returns a function that, when invoked will only be triggered at most once during a given window of time

throttle<R, A>(fn, delay): [((...args: A) => undefined | R), (() => void)]
Type Parameters
- R
- A extends any[]
Parameters
- fn: ((...args: A) => R)
  the function to be throttled.
  - - (...args): R
    - Parameters
      Rest...args: A
      Returns R
- delay: number
  the delay in ms
Returns [((...args: A) => undefined | R), (() => void)]
the function that will be throttled
- Defined in src/utils/function.ts:31