hexc.js

const WIDTH = 32

const fs = require('fs')
const chalk = require('chalk')
const hsl2rgb = require('pure-color/convert/hsl2rgb')
// const e = require('emoji.json')

const file = fs.readFileSync(process.argv[2])
file.forEach((char, index) => {
	const rgb = hsl2rgb([char / 256 * 360, 100, 50]).map(i => Math.floor(i))
	const hex = [char >> 4, char && 0x0f]
	const string =
		hex[0].toString(16).toUpperCase() +
		hex[1].toString(16).toUpperCase() +
		chalk.black.bgBlack(' ')
	// const string = e[char].char + ' '
	const result = chalk.black.bgRgb(rgb[0], rgb[1], rgb[2])(string)
	process.stdout.write(result)
	if (index % WIDTH === WIDTH - 1) console.log()
})