New Twiddle

components.list-controls.js

import Ember from 'ember';
import layout from 'app/templates/components/list-controls';

export default Ember.Component.extend({
  layout,
  
  move: null,
  
  actions: {
    itemMoved() {
      this.move();
    }
  }
});

components.list-view.js

import ControlsComponent from 'app/components/list-controls';
import layout from 'app/templates/components/list-view';

export default ControlsComponent.extend({
  layout
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  list: ['1','2','3'],
  
  actions: {
    move() {
      alert('moved');
    }
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}

<p>What I want:</p>

{{#list-view list=list move=(action 'move') as |listItem|}}
  {{#custom/my-row item=listItem.item}}
    {{listItem.controls}}
  {{/custom/my-row}}
{{/list-view}}

<p>What I Have:</p>

{{list-controls
  listComponent=(component 'custom/my-list-view')
  list=list
  move=(action 'move')
}}
<br>
<br>

templates.components.control-button.hbs

<button {{action buttonClick}}>Move {{item}}</button>

templates.components.custom.my-list-view.hbs

{{#each list as |listItem|}}
  {{#custom/my-row item=listItem}}
    {{yield listItem}}
  {{/custom/my-row}}
{{/each}}

templates.components.custom.my-row.hbs

This is item {{item}}

{{yield}}

templates.components.list-controls.hbs

{{#component listComponent list=list as |listItem|}}
  {{control-button item=listItem buttonClick=(action 'itemMoved')}}
{{/component}}

templates.components.list-view.hbs

{{#each list as |listItem|}}
  {{yield (hash
    item=listItem
    controls=(component 'control-button' item=listItem buttonClick=(action 'itemMoved'))
  )}}
{{/each}}

twiddle.json

{
  "version": "0.15.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.4.3",
    "ember-template-compiler": "3.4.3",
    "ember-testing": "3.4.3"
  },
  "addons": {
    "ember-data": "3.4.2"
  }
}