Delete a middle node from a singly-linked list

deleteSomeNode.ts

function deleteSomeNode(node: Node) {
  if (!node) {
    return
  }
  if (!node.next) {
    node = undefined
  }

  if (node.next) {
    node.data = node.next.data
    node.next = node.next.next
  }

  return 
}