nebula.js/apis/nucleus/src/object/create-object.js

import populateData from './populator';

export default function create({ type, version, fields }, optional, context) {
  const t = context.nebbie.types.get({ name: type, version });
  return t.initialProperties(optional.properties).then(mergedProps =>
    t.supernova().then(sn => {
      if (fields) {
        populateData(
          {
            sn,
            properties: mergedProps,
            fields,
          },
          context
        );
      }

      return context.app.createSessionObject(mergedProps).then(model =>
        context.nebbie.get(
          {
            id: model.id,
          },
          { ...optional, properties: {} }
        )
      );
    })
  );
}