sq-field-input-searchable filtering

components.my-component.js

import Ember from 'ember';

function defaultFilter(options, input) {
  return options.filter(v => v.startsWith(input)); 
}

export default Ember.Component.extend({
  didReceiveAttrs() {
    this.set('filteredOptions', this.get('options').slice());
  },
  
  input(e) {
    if (this.get('inputChanged')) {
      this.sendAction('inputChanged', e.target.value);
    } else {
      this.set('filteredOptions', defaultFilter(this.get('options'), e.target.value));
    }
  }
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  allOptions: 'red yellow orange green blue indigo violet'.w(), 
  options1: Ember.computed(function() {
    return this.get('allOptions').slice();
  }),
  options2: Ember.computed(function() {
    return this.get('allOptions').slice();
  }),
  
  actions: {
    inputChanged(input) {
      const options = this.get('allOptions').filter(v => v.startsWith(input));
      this.set('options2', options);
    }
  }
});

templates.application.hbs

Default filtering:
{{my-component options=options1}}

Custom filtering:
{{my-component options=options2 inputChanged=(action "inputChanged")}}

templates.components.my-component.hbs

<input value={{value}} />

<ul>
  {{#each filteredOptions as |option|}}
    <li>{{option}}</li>
  {{/each}}
</ul>

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1"
  }
}