function NyanCat(runner) {
  Base.call(this, runner);
  var self = this
    , stats = this.stats
    , width = Base.window.width * .75 | 0
    , rainbowColors = this.rainbowColors = self.generateColors()
    , colorIndex = this.colorIndex = 0
    , numerOfLines = this.numberOfLines = 4
    , trajectories = this.trajectories = [[], [], [], []]
    , nyanCatWidth = this.nyanCatWidth = 11
    , trajectoryWidthMax = this.trajectoryWidthMax = (width - nyanCatWidth)
    , scoreboardWidth = this.scoreboardWidth = 5
    , tick = this.tick = 0
    , n = 0;

  runner.on('start', function(){
    Base.cursor.hide();
    self.draw();
  });

  runner.on('pending', function(test){
    self.draw();
  });

  runner.on('pass', function(test){
    self.draw();
  });

  runner.on('fail', function(test, err){
    self.draw();
  });

  runner.on('end', function(){
    Base.cursor.show();
    for (var i = 0; i < self.numberOfLines; i++) write('\n');
    self.epilogue();
  });
}
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.