text: const { NotImplementedError } = require('../extensions/index.js');
  
  /**
   * Implement class DepthCalculator with method calculateDepth
   * that calculates deoth of nested array
   * 
   * @example
   * 
   * const depthCalc = new DepthCalculator();
   * depthCalc.calculateDepth([1, 2, 3, 4, 5]) => 1
   * depthCalc.calculateDepth([1, 2, 3, [4, 5]]) => 2
   * depthCalc.calculateDepth([[[]]]) => 3
   *
   */
  class DepthCalculator {
    calculateDepth(array) {
          if (Array.isArray(array)) {
              array.push(0)
              return 1 + Math.max(...array.map(item => this.calculateDepth(item)))
          } else return 0
      }
  }
  
  module.exports = {
    DepthCalculator
  };
  