notes/pl/web/js/libfws/ui/react/docs/keys.txt

https://reactjs.org/docs/lists-and-keys.html

for key we should avoid using index-es
https://habr.com/post/279249/#comment_8807873

using nanoid !!! not recommended
https://stackoverflow.com/questions/29808636/when-giving-unique-keys-to-components-is-it-okay-to-use-math-random-for-gener

import nanoid from 'nanoid'
import React from 'react'

const keySize = 8

const ListDrinks = props => {
    const drinks = ['rum', 'bear', 'vodka']
    return(
        <ul>
            {drinks.map((values) => {
                return(
                    <li key={nanoid(keySize)}>{values}</li>
                )
            })}
        </ul>
    )
}
export default ListDrinks

2018
https://habr.com/company/hh/blog/352150/