Function current

packages/tailwindcss/src/selector-parser.ts:179–181

(nodes = target)

  let peekChar

  function current(nodes = target): SelectorAstNode {
    return nodes.length === 1 ? nodes[0] : containsCombinator ? complex(nodes) : compound(nodes)
  }

  function append(node: SelectorAstNode) {
    let existing = target[target.length - 1]