`ember-keyboard-manager` example usages.

component.js

import Ember from 'ember';

const {
  get,
  inject,
} = Ember;

export default Ember.Component.extend({
  keyManager: inject.service(),

  didInsertElement() {
    get(this, 'keyManager').register({
      keys: ['escape'],
      name: 'search-modal',
      downCallback: run.bind(this, function() {
        this.send('toggleModal');
      }),
      priority: 10,
    });
  },

  willDestroyElement() {
    get(this, 'keyManager').deregister({
      name: 'search-modal', // This name must match the name the binding was registered with above.
    });
  },

  actions: {
    toggleModal(){
      this.sendAction('toggleModalAction');
    },
  },
});

route.js

import Ember from 'ember';

const {
  get,
  inject,
} = Ember;

export default Ember.Route.extend({
  keyManager: inject.service(),

  actions: {
    didTransition() {
      this._super(...arguments);

      get(this, 'keyManager').register({
        keys: ['escape'],
        name: 'fancy-route',
        downCallback: run.bind(this, this._redirectToLaLaLand),
        priority: 100,
      });
    },

    willTransition() {
      this._super(...arguments);

      get(this, 'keyManager').deregister({
        name: 'fancy-route',
      });
    },
  },

  // The `event` that's returned as a parameter here is the JS keyboard event.
  _redirectToLaLaLand(event) {
    if (event) {
      event.preventDefault();
    }
    this.transitionTo('main.la-la-land');
  },
});