gulpfile.js

/* eslint-disable no-unused-vars */
const gulp = require("gulp");
const eslint = require("gulp-eslint");
const watch = require("rita-gulp-watch");
const lec = require("gulp-line-ending-corrector");
// const uglify = require('gulp-uglify-es').default;

// tasks

function lint ()
{

   // execute
   return gulp.src(["src/**/*.js"]).
      pipe(lec()).
      pipe(eslint()).
      pipe(eslint.format()).
      pipe(eslint.failAfterError());

}

function compress ()
{

   // execute
   return gulp.src("src/**/*.js").
   // .pipe(uglify())
      pipe(gulp.dest("build"));

}

function GulpWatch ()
{

   gulp.watch("src/**/*.js", gulp.series("default"));

}

gulp.task("compress", compress);
gulp.task("lint", lint);
gulp.task("watch", GulpWatch);
gulp.task("default", gulp.parallel(lint, compress));
gulp.task("build", gulp.parallel(lint, compress));