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useArray custom hook

React

useArray.js Raw #

import { useState, useCallback } from "react"

export function useArray(initialValue) {
  const [array, setArray] = useState(initialValue)

  const push = useCallback(element => {
    setArray(a => [...a, element])
  }, [])

  const replace = useCallback((index, newElement) => {
    setArray(a => {
      return [...a.slice(0, index), newElement, ...a.slice(index + 1)]
    })
  }, [])

  const filter = useCallback(callback => {
    setArray(a => {
      return a.filter(callback)
    })
  }, [])

  const remove = useCallback(index => {
    setArray(a => {
      return [...a.slice(0, index), ...a.slice(index + 1)]
    })
  }, [])

  const clear = useCallback(() => {
    setArray([])
  }, [])

  const reset = useCallback(() => {
    setArray(initialValue)
  }, [initialValue])

  return { array, set: setArray, push, replace, filter, remove, clear, reset }
}