CurryExample

components.child-component.js

import Ember from 'ember';

export default Ember.Component.extend({
});

components.parent-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  actions: {
  	parentNamedAction(arg1, arg2) {
    	console.log("arg1:", arg1, "| arg2:", arg2)
      this.set('arg1', arg1);
			this.set('arg2', arg2);
    }
  }
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Curry Example'
});

styles.app.css

body {
  margin: 12px 16px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}

div.box {
	border: 1px solid black;
}

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>
{{parent-component}}

templates.components.child-component.hbs

<div class="box">
Child
<button onclick={{action passedAction "childArgument"}}>Action</button>
</div>

templates.components.parent-component.hbs

<div class="box">
Parent
{{child-component passedAction=(action "parentNamedAction" "parentArgument")}}
<br>
<br>
Called With:<br>
({{arg1}}, {{arg2}})
</div>

twiddle.json

{
  "version": "0.15.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.2.2",
    "ember-template-compiler": "3.2.2",
    "ember-testing": "3.2.2"
  },
  "addons": {
    "ember-data": "3.2.0"
  }
}