import { glob } from "glob";
import * as fs from "fs/promises";
import * as path from "path";

export default async () => {
	console.log("All tests finished. merging coverage information...");
	try {
		await fs.rm("coverage/tmp", { recursive: true });
	} catch (e) {
		console.error(
			"Couldn't delete the './coverage/tmp' directory - maybe it wasn't there in the first place"
		);
	}
	await fs.mkdir("coverage/tmp", { recursive: true });

	let files = await glob("coverage/tmp_split/**/*.json");

	await Promise.all(
		files.map((file, index) => {
			fs.copyFile(file, path.join("coverage", "tmp", path.basename(file)));
		})
	);
};