createPromise

import { createPromise } from 'ping-utils'

const promiseObject = createPromise()
const [promise, resolve, reject] = createPromise(true)

createSetTimeoutPromise

import { createSetTimeoutPromise } from 'ping-utils'

createSetTimeoutPromise(2000).promise.then(()=>{
    //2000ms...
})

ultimatelyPromise

import { ultimatelyPromise, createSetTimeoutPromise } from 'ping-utils'

 const result = ultimatelyPromise((ms, res) => createSetTimeoutPromise(ms).promise.then(() => res))
 result(50, 1) // rejected 1
 result(20, 2) // rejected 2
 result(100, 3) // fulfilled 3

arrayToMap

arrayToMap([{a:1},{a:2}],'a') //{1: {…}, 2: {…}}
arrayToMap([{a:1},{a:2}],'a','Map') //Map(2) {1 => {…}, 2 => {…}}

createFormData

createFormData() //FormData {}