Function compareKeys

src/document/name-tree.ts:45–55

* Compare two string keys for binary search. * Uses lexicographic comparison (same as PDF spec).

(a: string, b: string)

 * Uses lexicographic comparison (same as PDF spec).
 */
function compareKeys(a: string, b: string): number {
  if (a < b) {
    return -1;
  }

  if (a > b) {
    return 1;
  }

  return 0;
}

/**
 * PDF Name Tree reader.