generator-nest-js-boilerplate/generators/app/steps/install.js

This generator will help you to build your own Nest.js Mongodb API using TypeScript 4

const chalk = require('chalk');
const chooseDependencies = require('../dependencies');

module.exports = function() {
  const {
    packageManager,
    db,
    identifier: folderName,
  } = this.answers;

  if (this.options['skip-install']) {
    this.log(
      chalk.green(`
        To install dependencies, run
        ${chalk.white('$')} cd ${folderName}/
        ${chalk.white('$')} npm install
      `),
    );
    return;
  }

  const { general, dev } = chooseDependencies(db);

  if (packageManager === 'npm') {
    // at the first, install all common packages in the package.json with npm
    this.npmInstall(null, { save: true }, { cwd: folderName });
    this.npmInstall(general, { save: true }, { cwd: folderName });
    this.npmInstall(dev, { saveDev: true }, { cwd: folderName });
  }
  if (packageManager === 'yarn') {
    // at the first, install all common packages in the package.json with yarn
    this.yarnInstall(null, { save: true }, { cwd: folderName });
    this.yarnInstall(general, { save: true }, { cwd: folderName });
    this.yarnInstall(dev, { saveDev: true }, { cwd: folderName });
  }
};