How to “install” Bootstrap Datetimepicker on Symfony?
问题 I have files like assets/css/bootstrap-4.3.1.css and assets/js/bootstrap-4.3.1.js and in webpack.config I have .addEntry('js/bootstrap','./assets/js/bootstrap-4.3.1.js') and .addStyleEntry('css/bootstrap', './assets/css/bootstrap-4.3.1.css') I need bootstrap-3.3.1.js and bootstrap-3.3.1.css , respectively. I need to install these in yarn in order to ensure that I have my perequisites for Bootstrap datetimepicker. Tried with yarn add bootstrap@3.3.1 without any luck. Then I tried to download