gulpfile.js

const gulp = require('gulp');
const gap = require('gulp-append-prepend');

gulp.task('licenses', async () => {
  // this is to add Creative Tim licenses in the production mode for the minified js
  gulp
    .src('build/static/js/*chunk.js', { base: './' })
    .pipe(
      gap.prependText(`/*!
=========================================================
* Notus React - v1.0.0 based on Tailwind Starter Kit by Creative Tim
=========================================================
* Product Page: https://www.creative-tim.com/product/notus-react
* Copyright 2020 Creative Tim (https://www.creative-tim.com)
* Licensed under MIT (https://github.com/creativetimofficial/notus-react/blob/master/LICENSE.md)
* Tailwind Starter Kit Page: https://www.creative-tim.com/learning-lab/tailwind-starter-kit/presentation
* Coded by Creative Tim
=========================================================
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*/`),
    )
    .pipe(gulp.dest('./', { overwrite: true }));

  // this is to add Creative Tim licenses in the production mode for the minified html
  gulp
    .src('build/index.html', { base: './' })
    .pipe(
      gap.prependText(`<!--
=========================================================
* Notus React - v1.0.0 based on Tailwind Starter Kit by Creative Tim
=========================================================
* Product Page: https://www.creative-tim.com/product/notus-react
* Copyright 2020 Creative Tim (https://www.creative-tim.com)
* Licensed under MIT (https://github.com/creativetimofficial/notus-react/blob/master/LICENSE.md)
* Tailwind Starter Kit Page: https://www.creative-tim.com/learning-lab/tailwind-starter-kit/presentation
* Coded by Creative Tim
=========================================================
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
-->`),
    )
    .pipe(gulp.dest('./', { overwrite: true }));

  // this is to add Creative Tim licenses in the production mode for the minified css
  gulp
    .src('build/static/css/*chunk.css', { base: './' })
    .pipe(
      gap.prependText(`/*!
=========================================================
* Notus React - v1.0.0 based on Tailwind Starter Kit by Creative Tim
=========================================================
* Product Page: https://www.creative-tim.com/product/notus-react
* Copyright 2020 Creative Tim (https://www.creative-tim.com)
* Licensed under MIT (https://github.com/creativetimofficial/notus-react/blob/master/LICENSE.md)
* Tailwind Starter Kit Page: https://www.creative-tim.com/learning-lab/tailwind-starter-kit/presentation
* Coded by Creative Tim
=========================================================
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*/`),
    )
    .pipe(gulp.dest('./', { overwrite: true }));
});