lucifer/webui/src/Components/Misc/BrightnessSlider.jsx

import React, {useLayoutEffect, useState} from "react";
import {randId} from "../../Helpers/random";
import iro from "@jaames/iro";

function BrightnessSlider({brightness, onChange}) {
  const [random] = useState(randId());

  useLayoutEffect(() => {
    const colorPicker = new iro.ColorPicker("#brightness-picker-" + random, {
      color: `rgb(${brightness}, ${brightness}, ${brightness})`,
      layout: [
        {
          component: iro.ui.Slider,
          options: {
            borderColor: '#888'
          }
        }
      ],
    });

    colorPicker.on("input:end", color => {
      onChange(color.rgb.r);
    });

    return () => {
      const elem = document.getElementById(`brightness-picker-${random}`);
      if (elem === null) {
        return;
      }

      elem.innerHTML = "";
    };
  }, [brightness]);

  return (
    <div id={`brightness-picker-${random}`}>

    </div>
  );
}

export default BrightnessSlider;