Starter Gulp (SASS and JS compiler, autoprefixer, babel, minifier)

gulpfile.js

'use strict';

const gulp         = require( 'gulp' );
const sass         = require( 'gulp-sass' );
const csso         = require( 'gulp-csso' );
const concat       = require( 'gulp-concat' );
const uglify       = require( 'gulp-uglify');
const autoprefixer = require( 'gulp-autoprefixer' );
const notify       = require( 'gulp-notify' );
const babel        = require( 'gulp-babel' );
const del          = require( 'del');

const path = {
  SCSS_HOME_SRC: './home/scss/home.scss',
  SCSS_HOME_WATCH: './home/scss/*.scss',
  JS_HOME_SRC: './home/js/*.js'
};

// Clean assets
function clean() {
  return del(["./dist/"]);
}

function jsCompile (){
    return gulp
      .src( [ path.JS_HOME_SRC ], { sourcemaps: true } )
      .pipe(concat('home.min.js'))
      .pipe(babel({
         presets: ['@babel/env']
      }))
      .pipe( uglify() )
      .pipe( gulp.dest( 'dist' ) )
      .pipe( notify( "JS compiled successfully" ) );
}

function stylesCompile (){
    return gulp
      .src( path.SCSS_HOME_SRC, { sourcemaps: true } )
      .pipe( sass().on( 'error', function ( err ) { return notify().write( err ); } ) )
      .pipe( autoprefixer() )
      .pipe( csso() )
      .pipe( gulp.dest( 'dist' ) )
      .pipe( notify( "SASS compiled successfully" ) );
}

function watchFiles () {
  gulp.watch( path.SCSS_HOME_WATCH, stylesCompile );
  gulp.watch( path.JS_HOME_SRC, jsCompile );
}

// Creating a default task
exports.watch = gulp.parallel(watchFiles);
exports.build = gulp.series(clean, gulp.parallel(stylesCompile, jsCompile) );
exports.default =  gulp.parallel( jsCompile, stylesCompile );

package.json

{
    "name": "gulp-script-compiler",
    "version": "1.0.0",
    "devDependencies": {
        "@babel/core": "^7.8.7",
        "@babel/preset-env": "^7.8.7",
        "del": "^5.1.0",
        "gulp": "^4.0.2",
        "gulp-autoprefixer": "^7.0.1",
        "gulp-babel": "^8.0.0",
        "gulp-concat": "^2.6.1",
        "gulp-csso": "^4.0.1",
        "gulp-minify": "^3.1.0",
        "gulp-notify": "^3.2.0",
        "gulp-sass": "^4.0.2",
        "gulp-uglify": "^3.0.2",
        "gulp-watch": "^5.0.1"
    },
    "dependencies": {}
}