New Twiddle

controllers.application\.js

import Controller from '@ember/controller';
import { Changeset } from 'ember-changeset'
import lookupValidator from 'ember-changeset-validations'
import { BufferedChangeset } from 'ember-changeset/types'
import { validateNumber } from 'ember-changeset-validations/validators'

export default class ApplicationController extends Controller {
  appName = 'Ember Twiddle';

 	  get changeset (): BufferedChangeset {
    const validations = {
      rule: {
        minPrice: {
          amount: [validateNumber({ gt: 0 })]
        }
      }
    }
    return Changeset(this.args.rule, lookupValidator(validations), validations)
  }
}

templates.application\.hbs

<h1>Welcome to {{this.appName}}</h1>
<br>
<br>
<form>
<input id="minPrice" class="form-control" placeholder={{t "memberships.benefit.discount" }} type="number"
            value={{this.changeset.rule.minPrice.amount}} {{on "input" (pick "target.value" (changeset-set
            this.changeset "rule.minPrice.amount" ))}} />
            </form>
<br>
<br>

twiddle\.json

{
  "version": "0.17.1",
  "EmberENV": {
    "FEATURES": {},
    "_TEMPLATE_ONLY_GLIMMER_COMPONENTS": false,
    "_APPLICATION_TEMPLATE_WRAPPER": true,
    "_JQUERY_INTEGRATION": true
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.js",
    "ember": "3.18.1",
    "ember-template-compiler": "3.18.1",
    "ember-testing": "3.18.1"
  },
  "addons": {
    "@glimmer/component": "1.0.0"
  }
}