Function cloneIfNode

packages/babel-types/src/clone/cloneNode.ts:9–20

(
  obj: t.Node | undefined | null,
  deep: boolean,
  withoutLoc: boolean,
  commentsCache: CommentCache,
)

// This function will never be called for comments, only for real nodes.
function cloneIfNode(
  obj: t.Node | undefined | null,
  deep: boolean,
  withoutLoc: boolean,
  commentsCache: CommentCache,
) {
  if (obj && typeof obj.type === "string") {
    return cloneNodeInternal(obj, deep, withoutLoc, commentsCache);
  }

  return obj;
}

function cloneIfNodeOrArray(
  obj: t.Node | undefined | null | (t.Node | undefined | null)[],