Function needParenthesis

src/expression/node/AccessorNode.js:29–39

* Are parenthesis needed? * @private

(node)

   * @private
   */
  function needParenthesis (node) {
    // TODO: maybe make a method on the nodes which tells whether they need parenthesis?
    return !(
      isAccessorNode(node) ||
        isArrayNode(node) ||
        isConstantNode(node) ||
        isFunctionNode(node) ||
        isObjectNode(node) ||
        isParenthesisNode(node) ||
        isSymbolNode(node))
  }

  class AccessorNode extends Node {
    /**