title: How to add node module to Angular project if is not schematics enabled?
body: <p>Cannot use ng add and npm install doesn't meet the requirements which are somewhat unclear.</p>
  
  <p>How do I add an node module to angular app/project? I've installed it with npm install so what's next?</p>
  
  <p>I tried adding it into  scripts array in angular.json but is caused just error "require is not defined"</p>