Goues

const utils = require('../../utils')
let data = utils.charByLine('./input.txt')

const rotate = (array) => {
    let r = Array.from({ length: array.length }, () => [])
    for (let y = 0; y < array.length; y++) {
        for (let x = 0; x < array[0].length; x++) {
            r[y][x] = array[array[0].length - x - 1][y]
        }
    }

Goues

interface HTMLFormControlsCollection extends HTMLCollectionBase {
  [item: string]: Element | RadioNodeList
}

/*
it gives me:

Property 'item' of type '(index: number) => Element | null' is not assignable to 'string' index type 'Element | RadioNodeList'. ts(2411)
*/