Function createResolver

src/document/name-tree.test.ts:14–19

* Create a simple resolver that looks up objects in a map.

(objects: Map<string, PdfObject>)

 * Create a simple resolver that looks up objects in a map.
 */
function createResolver(objects: Map<string, PdfObject>): RefResolver {
  return (ref: PdfRef) => {
    const key = `${ref.objectNumber}:${ref.generation}`;
    return objects.get(key) ?? null;
  };
}

describe("NameTree", () => {
  describe("flat tree (leaf only)", () => {