svelte-scaffold/index.js

A CLI tool for scaffolding svelte apps

#!/usr/bin/env node

const inquirer = require("inquirer");
const fs = require("fs");

const choices = fs.readdirSync(`${__dirname}/templates`);
const currentDirectory = process.cwd();

console.log(`
Svelte app is the actual web app . And svelte library allows developers to create custom sharable components .
`);
const inquiry = [
  {
    name: "choice",
    type: "list",
    message: "Project template?",
    choices
  },
  {
    name: "appname",
    type: "input",
    message: "Project name:",
    validate: function(input) {
      if (/^([A-Za-z\-\_\d])+$/.test(input)) return true;
      else
        return "Project name may only include letters, numbers, underscores and hashes.";
    }
  }
];

inquirer.prompt(inquiry).then(answers => {
  const projectChoice = answers["choice"];
  const projectName = answers["appname"];
  const templatePath = `${__dirname}/templates/${projectChoice}`;

  if (fs.existsSync(`${currentDirectory}/${projectName}`)) {
    console.log(
      "A directory with this name already exists . Please choose a different name"
    );
  } else {
    fs.mkdirSync(`${currentDirectory}/${projectName}`);
    createDirectoryContents(templatePath, projectName);
    console.log(`
Congrats .... your app is created .. now ...

1 . cd ${projectName}
2 . yarn
3 . yarn dev

Then start hacking
    `);
  }
});

function createDirectoryContents(templatePath, newProjectPath) {
  const filesToCreate = fs.readdirSync(templatePath);

  filesToCreate.forEach(file => {
    const origFilePath = `${templatePath}/${file}`;
    const stats = fs.statSync(origFilePath);

    if (stats.isFile()) {
      const contents = fs.readFileSync(origFilePath, "utf8");
      const writePath = `${currentDirectory}/${newProjectPath}/${file}`;
      fs.writeFileSync(writePath, contents, "utf8");
    } else if (stats.isDirectory()) {
      fs.mkdirSync(`${currentDirectory}/${newProjectPath}/${file}`);

      fs.readFile(
        `${currentDirectory}/${newProjectPath}/README.md`,
        "utf8",
        function(_err, data) {
          if (data !== undefined) {
            let formatted = data.replace("[[APPNAME]]", newProjectPath);
            fs.writeFile(
              `${currentDirectory}/${newProjectPath}/README.md`,
              formatted,
              function() {
                fs.readFile(
                  `${currentDirectory}/${newProjectPath}/package.json`,
                  "utf8",
                  function(_err, data) {
                    if (data !== undefined) {
                      let formatted = data.replace(
                        "[[APPNAME]]",
                        newProjectPath
                      );
                      fs.writeFileSync(
                        `${currentDirectory}/${newProjectPath}/package.json`,
                        formatted
                      );
                    }
                  }
                );
              }
            );
          }
        }
      );
      createDirectoryContents(
        `${templatePath}/${file}`,
        `${newProjectPath}/${file}`
      );
    }
  });
}