Range II

controllers.application\.js

import Controller from '@ember/controller';
import { tracked } from '@glimmer/tracking';
import { action } from '@ember/object'; 

export default class ApplicationController extends Controller {
	@tracked start = 25;
  @tracked end = 75;

	@action setRangeValues([start, end]) {
  	this.start = start;
    this.end = end;
  }
}

modifiers.on-range-input\.js

import { modifier } from "ember-modifier";

export default modifier(
  function onInputRange(element, [doOnInputRange]) {
		const rangeStart = element.querySelector('.range-start');
    const rangeEnd = element.querySelector('.range-end');
 
    const rangeInputHandler = (evt) => {
 			const startValue = parseInt(rangeStart.value);
      const endValue = parseInt(rangeEnd.value);
      
      rangeStart.style.zIndex = 1;
      rangeEnd.style.zIndex = 2;
      
      if (startValue > endValue) {
      	rangeStart.style.zIndex = 2;
      	rangeEnd.style.zIndex = 1;
      }
		
      doOnInputRange([startValue, endValue]);
    };

    element.addEventListener("input", rangeInputHandler);

    return () => {
      element.removeEventListener("input", rangeInputHandler);
    };
});

styles.app\.css

@import "https://unpkg.com/tailwindcss@^2/dist/tailwind.min.css";

body{
	background: #F9FAFB;
}

.Input-Range input[type="range"] {
	pointer-events: none;
}

.Input-Range input[type="range"]::-webkit-slider-thumb{
	pointer-events: all;
}

.Input-Range input[type="range"]:focus{
	outline: none;
}

.Input-Range input[type="range"]:focus::-webkit-slider-thumb{
	border-radius: 50%;
  border: 2px solid #fff;
  outline: 3px solid #0075FF;
}

templates.application\.hbs

<main class="container mx-auto my-8 bg-gray-50">

	<InputRange
  	@min="0"
    @max="100"
    @step="1"
    @startValue={{this.start}}
    @endValue={{this.end}}
    @onInputRange={{this.setRangeValues}}
   />

	{{concat "Start: " this.start " End: " this.end}}

	{{outlet}}
</main>

templates.components.input-range\.hbs

<div class="Input-Range relative h-4" ...attributes {{on-range-input @onInputRange}}>
	<input
  	type="range"
    class="range-start absolute w-full"
    min={{@min}}
    max={{@max}}
    step={{@step}}
    value={{@startValue}}
   >
	<input type="range"
    class="range-end absolute w-full"
    min={{@min}}
    max={{@max}}
    step={{@step}}
    value={{@endValue}}
  >
</div>

twiddle\.json

{
  "version": "0.17.1",
  "EmberENV": {
    "FEATURES": {},
    "_TEMPLATE_ONLY_GLIMMER_COMPONENTS": false,
    "_APPLICATION_TEMPLATE_WRAPPER": true,
    "_JQUERY_INTEGRATION": true
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.js",
    "ember": "3.18.1",
    "ember-template-compiler": "3.18.1",
    "ember-testing": "3.18.1"
  },
  "addons": {
    "@glimmer/component": "1.0.0",
    "ember-data": "3.18.0",
    "ember-truth-helpers": "3.0.0",
    "ember-modifier": "3.0.0"
  }
}