Function iterateNode

src/List.js:400–428

(node, level, offset)

  }

  function iterateNode(node, level, offset) {
    let values;
    const array = node && node.array;
    let from = offset > left ? 0 : (left - offset) >> level;
    let to = ((right - offset) >> level) + 1;
    if (to > SIZE) {
      to = SIZE;
    }
    return () => {
      while (true) {
        if (values) {
          const value = values();
          if (value !== DONE) {
            return value;
          }
          values = null;
        }
        if (from === to) {
          return DONE;
        }
        const idx = reverse ? --to : from++;
        values = iterateNodeOrLeaf(
          array && array[idx],
          level - SHIFT,
          offset + (idx << level)
        );
      }
    };
  }
}

/**