svelte/test/js/update.js

// this file will replace all the expected.js files with their _actual
// equivalents. Only use it when you're sure that you haven't
// broken anything!
const fs = require('fs');
const glob = require('tiny-glob/sync.js');

glob('samples/*/_actual.js', { cwd: __dirname }).forEach(file => {
	const actual = fs.readFileSync(`${__dirname}/${file}`, 'utf-8');
	fs.writeFileSync(
		`${__dirname}/${file.replace('_actual.js', 'expected.js')}`,
		actual
	);
});