joplin/packages/lib/envFromArgs.ts

// Flags are parsed properly in BaseApplication, however it's better to have
// the env as early as possible to enable debugging capabilities.
const envFromArgs = (args: string[] | null | undefined): 'dev' | 'prod' => {
	if (!args) return 'prod';
	const envIndex = args.indexOf('--env');
	const devIndex = args.indexOf('dev');
	if (envIndex === devIndex - 1) return 'dev';
	return 'prod';
};

export default envFromArgs;