SOURCE

// 链表转数组 利用concat
let listTable = {
    value: 0,
    next: {
        value: 1,
        next: {
            value: 2,
            next: {
                value: 3,
                next: {
                    value: 4
                }
            }
        }
    }
}

function listToArray(head) {
    if(!head) return []
    return [head.value].concat(listToArray(head.next))
}

console.log(listToArray(listTable))

// 数组转链表 
let arr = [0,1,2,3,4,5,6]
let arrToList = (arr, start = 0) => {
    if(arr.length === start) return null
    return {
        value: arr[start],
        next: arrToList(arr, start + 1)
    }
}
console.log(arrToList(arr, 0))