switch resolution

switchResolution.mjs

#!/usr/bin/env node

import childProcess from "node:child_process";
import { promisify } from "util";

const UWQHD = '3440x1440'
const FHD = '1920x1080'
const OUTPUT = 'HDMI-1'

const exec = promisify(childProcess.exec);

const {stdout,stderr} = await exec('xrandr')
const xrandrLines=stdout.split('\n')
const currentResLine = xrandrLines.find(line => line.includes('*'))
const currentRes = currentResLine.trim().split(' ')[0]
const newRes = currentRes === UWQHD ? FHD : UWQHD
const setResolutionCmd = mode => `xrandr --output ${OUTPUT} --mode ${mode}`

await exec(setResolutionCmd(newRes))
await exec("i3-msg reload")
await exec("i3-msg restart")