index.js

#!/usr/bin/env node

import { program } from 'commander';

import fs from 'node:fs/promises';
import path from 'node:path';
import { fileURLToPath } from 'node:url';

import diff from './tasks/diff.js';
import snapshot from './tasks/snapshot.js';

const dirname = path.dirname(fileURLToPath(import.meta.url));
const packageJson = JSON.parse(await fs.readFile(path.join(dirname, 'package.json')));

// Take snapshot
program.command('snapshot')
	.option(
		'-c, --config <path>',
		'use this configuration, overriding default config options if present',
	)
	.option(
		'-o, --output <path>',
		`output filepath (default: ".${path.sep}harold_snapshot_<date>_<time>.json")`,
	)
	.option(
		'-e, --exec <cmd>',
		'build command (default: "npm run build-production")',
	)
	.option(
		'-p, --path <path>',
		'build path (default: "public")',
	)
	.description('build project and take snapshot')
	.action(snapshot);

// Compare snapshots
program.command('diff <left> <right>')
	.description('compare snapshots')
	.action(diff);

program
	.usage('[options]')
	.version(packageJson.version, '-V, --version')
	.description(packageJson.description)
	.parse(process.argv);

if (program.args.length === 0) {
	program.help();
}

process.on('unhandledRejection', error => {
	console.error(error);
});