gulpfile.js

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

gulp.task("licenses", async function() {
  //TODO: do I need this ?

  // 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(`/**/`)
    )
    .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(`<!---->`))
    .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(`/**/`))
    .pipe(gulp.dest("./", { overwrite: true }));
  return;
});