joplin/packages/lib/services/synchronizer/migrations/1.ts

// eslint-disable-next-line @typescript-eslint/no-explicit-any -- Old code before rule was applied
export default async function(api: any) {
	await Promise.all([
		api.mkdir('.resource'),
		api.mkdir('.sync'),
		api.mkdir('.lock'),
	]);

	await api.put('.sync/version.txt', '1');
}