@trusthab/composable-resources/src/resources/sourceable.js

migrating https://github.com/knetikmedia/hab-api/tree/integration/app/resources/composable

const composer = require('../mixin_loader');

module.exports = (App) => {
  const { underscore } = require('inflected');

  class Sourceable {
    static fields() {
      return {
        command_source: {
          type: 'text',
          or: ['null'],
          path: 'additional_properties.command_source.value'
        }
      };
    }
  }

  return composer(Sourceable, App);
};