vamtiger-node-typescript-project/source/bin.ts

#!/usr/bin/env node
import Args from 'vamtiger-argv/build/main';
import getDirectoryContent from 'vamtiger-get-directory-content';
import createProject from '.';

const workingDirectory = process.cwd();
const args = new Args();

main().catch(handleError);

async function main() {
    const directoryContent = await getDirectoryContent(workingDirectory);
    const ignore = directoryContent.includes('package.json');

    if (ignore) {
        throw new Error(ErrorMessage.alreadyCreated);
    }

    await createProject();

    if (!args.has('keepAlive'))
        process.exit();
}

function handleError(error: Error) {
    console.error(error);

    process.exit();
}

const enum ErrorMessage {
    alreadyCreated = 'This project has already been created'
};