Action Scope

components.child-component.js

import Ember from 'ember';

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

components.other-child.js

import Ember from 'ember';

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

components.other-parent.js

import Ember from 'ember';

export default Ember.Component.extend({
  actions: {
    parentAction() {
      alert('Other parent actioned');
    }
  }
});

components.parent-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  actions: {
    parentAction() {
      alert('Parent actioned');
    }
  }
});

controllers.application.js

import Ember from 'ember';

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

templates.application.hbs

<h1>Action scope</h1>
<p>The buttons should trigger an alert. Check console for action errors.</p>
{{parent-component}}
{{other-parent}}

templates.components.child-component.hbs

Child
<button type="button" {{action "parentAction"}}>Action</button>

templates.components.other-child.hbs

Other child
<button type="button" {{action parentAction}}>Other action</button>

templates.components.other-parent.hbs

Other Parent
{{other-child parentAction=(action "parentAction")}}

templates.components.parent-component.hbs

Parent
{{child-component}}

twiddle.json

{
  "version": "0.11.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.10.2",
    "ember-data": "2.11.0",
    "ember-template-compiler": "2.10.2",
    "ember-testing": "2.10.2"
  },
  "addons": {}
}