Hue Lights from GPIO switch and LED

main.js

const gpio = require('rpi-gpio')
const gpiop = gpio.promise
const { HueApi, lightState } = require('node-hue-api')

const hue = new HueApi('##IP##', '##USERNAME##')
const lights = {
    bedroom: 1,
    bathroom: 2,
    lounge: 3,
    loungeLamp: 4
}
const lightSettings = {
    off: lightState.create().off(),
    on: lightState.create().on().white(500, 100)
}

let buttonPushed = false
let buttonToggle = false

gpio.on('change', function(channel, value) {
    if (channel !== 37) {
        return
    }

    if (buttonPushed !== value) {
        buttonToggle = !buttonToggle
        updateLight()
    }
});

gpio.setup(37, gpio.DIR_IN, gpio.EDGE_BOTH);

gpiop.setup(7, gpio.DIR_OUT)
    .then(() => {
        return updateLight()
    })
    .catch((err) => {
        console.log('Error: ', err.toString())
    })

async function updateLight() {
    try {
        const lightSetting = buttonToggle ? lightSettings.on : lightSettings.off
        await hue.setLightState(lights.lounge, lightSetting)
    } catch (e) {
        console.log(e)
    }
    await gpiop.write(7, buttonToggle)
    return
}

package.json

{
  "name": "hue-lights",
  "version": "1.0.0",
  "main": "index.js",
  "license": "MIT",
  "dependencies": {
    "node-hue-api": "^2.4.4",
    "rpi-gpio": "^2.1.2"
  }
}