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
	);
});