_checkIndex()

in lib/index.js [63:70]

• 8 lines of code
• 3 McCabe index (conditional complexity)

  _checkIndex(index) {
    if (!isInteger(index)) {
      throw new Error('Invalid index');
    }
    if (index < 0 || index >= this._maxVal) {
      throw new Error('Index out of range');
    }
  }