text: 'use strict';
  /**
   * @module Spec
   */
  /**
   * Module dependencies.
   */
  
  var Base = require('mocha/lib/reporters/base');
  var constants = require('mocha/lib/runner').constants;
  var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
  var EVENT_RUN_END = constants.EVENT_RUN_END;
  var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN;
  var EVENT_SUITE_END = constants.EVENT_SUITE_END;
  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
  var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
  var inherits = require('mocha/lib/utils').inherits;
  var color = Base.color;
  
  /**
   * Expose `Spec`.
   */
  
  exports = module.exports = Spec;
  
  const prefix = process.env.VSC_JUPYTER_CI_TEST_PARALLEL ? `${process.pid}   ` : '';
  
  /**
   * Constructs a new `Spec` reporter instance.
   *
   * @public
   * @class
   * @memberof Mocha.reporters
   * @extends Mocha.reporters.Base
   * @param {Runner} runner - Instance triggers reporter actions.
   * @param {Object} [options] - runner options
   */
  function Spec(runner, options) {
      Base.call(this, runner, options);
  
      var self = this;
      var indents = 0;
      var n = 0;
  
      function indent() {
          return Array(indents).join('  ');
      }
  
      runner.on(EVENT_RUN_BEGIN, function () {
          Base.consoleLog();
      });
  
      runner.on(EVENT_SUITE_BEGIN, function (suite) {
          ++indents;
          Base.consoleLog(color('suite', `${prefix}%s%s`), indent(), suite.title);
      });
  
      runner.on(EVENT_SUITE_END, function () {
          --indents;
          if (indents === 1) {
              Base.consoleLog();
          }
      });
  
      runner.on(EVENT_TEST_PENDING, function (test) {
          var fmt = indent() + color('pending', `${prefix} %s`);
          Base.consoleLog(fmt, test.title);
      });
  
      runner.on(EVENT_TEST_PASS, function (test) {
          var fmt;
          if (test.speed === 'fast') {
              fmt = indent() + color('checkmark', prefix + Base.symbols.ok) + color('pass', ' %s');
              Base.consoleLog(fmt, test.title);
          } else {
              fmt =
                  indent() +
                  color('checkmark', prefix + Base.symbols.ok) +
                  color('pass', ' %s') +
                  color(test.speed, ' (%dms)');
              Base.consoleLog(fmt, test.title, test.duration);
          }
      });
  
      runner.on(EVENT_TEST_FAIL, function (test) {
          Base.consoleLog(indent() + color('fail', `${prefix}%d) %s`), ++n, test.title);
      });
  
      runner.once(EVENT_RUN_END, self.epilogue.bind(self));
  }
  
  /**
   * Inherit from `Base.prototype`.
   */
  inherits(Spec, Base);
  
  Spec.description = 'hierarchical & verbose [default]';
  