installer.js

const  fs = require("fs");
const { html, css, javascript } = require("./models.js");

const init = async (projectFileTree) => {
  const projectFolder = Object.keys(projectFileTree)[0];
  
  for (const [subFolder, entryFile] of Object.entries(projectFileTree[projectFolder])) {
    switch (extension(entryFile)) {
      case "html":
        setupFolder(
          projectFolder,
          entryFile,
          html,
          projectFileTree
        );
        break;
      case "css":
        setupFolder(
          `${projectFolder}/${subFolder}`,
          entryFile,
          css
        );
        break;
      case "js":
        setupFolder(
          `${projectFolder}/${subFolder}`,
          entryFile,
          javascript
        );
        break;
      default:
        const assetsFolderPath = `${projectFolder}/${subFolder}/${entryFile}`;
        await fs.mkdirSync(assetsFolderPath, { recursive: true });
        await loadAssets(
          process.cwd() + "/" + assetsFolderPath,
          {
            'based.png': __dirname + '/public/based_squidward.png',
            'favicon.ico': __dirname + '/public/favicon.ico'
          }
        );
        await process.exit(0);
    }
  }
}

const extension = (file) => file.split(".").pop();

const setupFolder = async (path, seedFile, loaderFn, loaderParam) => {
  await fs.mkdirSync(path, { recursive: true });
  await fs.writeFileSync(`${path}/${seedFile}`, loaderFn(loaderParam));
}

const loadAssets = async (path, assets) => {
  for (const file in assets) {
    await fs.copyFileSync(assets[file], `${path}/${file}`);
  }
}

const getValidName = (input, _default) => {
  const FILE_NAME = /^(?!.*(?:\+|\^|\\|\/|\`|\|))[a-zA-z0-9 -]+$/
  
  if (!input) {
    return _default;
  }
  if (!FILE_NAME.exec(input)) {
    console.log(`:: Invalid name! Setting (${_default}) as default name`);
    return _default;
  }
  if(extension(input)!==extension(_default)){
    return extension(_default) !== _default 
      ? `${input}.${extension(_default)}`
      : input
    ;
  }
  return input;
}

const banner = `
Welcome to the Based command line interface!!
This utility will walk you through creating a brand new project with the Based Stack.
:: The hottest frontend stack for web development ::

Tip: use \`npm i live-server -g\` to install live-server and stop worrying about refreshing the page :)
Check: https://github.com/eniodev/based for setup details. 

Press ^C at any time to exit the cli.
`;

const setupOptions = [
  {
    question: "Html file name: (index.html)",
    default: "index.html"
  },
  {
    question: "Css folder name: (styles)",
    default: "styles",
    child: {
      question: "Css file name: (index.css)",
      default: "index.css"
    }
  },
  {
    question: "Javascript folder name: (scripts)",
    default: "scripts",
    child: {
      question: "Javascript file name: (index.js)",
      default: "index.js"
    }
  },
  {
    question: "Pick a name for your images folder: (images)",
    default: "images",
    parent: "assets"
  }
]

module.exports = { 
  init,
  banner,
  getValidName,
  setupOptions
}