Function traverse

src/plainer.ts:30–62

(
  tree: MinimisedTree<T>,
  walker: (v: T, path: string[]) => void,
  version: number,
  origin: string[] = []
)

const enableLegacyPaths = (version: number) => version < 1;

function traverse<T>(
  tree: MinimisedTree<T>,
  walker: (v: T, path: string[]) => void,
  version: number,
  origin: string[] = []
): void {
  if (!tree) {
    return;
  }

  const legacyPaths = enableLegacyPaths(version);
  if (!isArray(tree)) {
    forEach(tree, (subtree, key) =>
      traverse(subtree, walker, version, [
        ...origin,
        ...parsePath(key, legacyPaths),
      ])
    );
    return;
  }

  const [nodeValue, children] = tree;
  if (children) {
    forEach(children, (child, key) => {
      traverse(child, walker, version, [
        ...origin,
        ...parsePath(key, legacyPaths),
      ]);
    });
  }

  walker(nodeValue, origin);
}

export function applyValueAnnotations(
  plain: any,