code: function updateDemo(component) {
    const source = path.join(packages, component, 'demo');
    const destination = path.join(demo, component);
  
    ncp(source, destination, error => {
      if (error) {
        console.log(chalk.red('error'), error);
      } else {
        rimraf(source, () => {
          console.log(chalk.green('success'), 'Updated component demo');
          execSync(`yarn build --scope @zendeskgarden/css-${component}`);
          linkCss(component);
          execSync(`yarn start --open=${component}`);
        });
      }
    });
  }
docs: Update the HTML page demo for the given component.
  
  @param {String} component The name of the component to update.