build

#!/usr/bin/env node
'use strict';

const path = require('path');
const fs = require('fs');
const crypto = require('crypto');
const exec = require('child_process').exec;

const thisFile = __filename;
const thisDir = __dirname;
const rootDir = '.';

// update version
function makeCachebuster(template, output) {
	let indexContents = fs.readFileSync(path.resolve(rootDir, template), {encoding: 'utf8'});

	// add hashes to js and css files
	process.stdout.write("Updating hashes... ");
	indexContents = indexContents.replace(/(src|href)="\.\/(.*?)\?[a-z0-9]*?"/g, function (a, b, c) {
		let hash = Math.random(); // just in case creating the hash fails
		try {
			const filename = c.replace('//play.pokemonshowdown.com/', '../../play.pokemonshowdown.com/');
			const fstr = fs.readFileSync(path.resolve(rootDir, filename), {encoding: 'utf8'});
			hash = crypto.createHash('md5').update(fstr).digest('hex').substr(0, 8);
		} catch (e) {}

		return b + '="./' + c + '?' + hash + '"';
	});
	process.stdout.write("Writing new `" + output + "` file... ");
	fs.writeFileSync(path.resolve(rootDir, output), indexContents);
	console.log("DONE");
}

makeCachebuster('honkalculate.template.html', 'honkalculate.html');
makeCachebuster('index.template.html', 'index.html');