gulpfile.js

const gulp = require('gulp');
const sass = require('gulp-sass');
const sourcemaps = require('gulp-sourcemaps');
const rename = require('gulp-rename');
const uglify = require('gulp-uglify');
const babel = require('gulp-babel');
const concat = require('gulp-concat');

gulp.task('scss', () => {
	gulp
		.src('src/scss/main.scss')
		.pipe(sourcemaps.init())
		.pipe(sass({outputStyle:'compressed'}))
		.on('error', function (err) {
			console.error(err.toString());
			this.emit('end');
		})
		.pipe(rename('main.min.css'))
		.pipe(sourcemaps.write('./'))
		.pipe(gulp.dest('public_html/css/'))
	;
});

gulp.task('js-vendor', () => {
	gulp
		.src([
			'node_modules/jquery/dist/jquery.min.js',
			'node_modules/moment/min/moment.min.js',
		])
		.pipe(sourcemaps.init())
		.pipe(concat('vendor.min.js'))
		.pipe(uglify())
		.pipe(sourcemaps.write('./'))
		.pipe(gulp.dest('public_html/js/'))
	;
});


gulp.task('js-main', () => {
	gulp
		.src([
			'src/js/**.js'
			// 'src/js/main.js'
		])
		.pipe(sourcemaps.init())
		.pipe(concat('main.min.js'))
		.pipe(babel({
			presets: ['env']
		}))
		.on('error', function (err) {
			console.error(err.toString());
			this.emit('end');
		})
		.pipe(uglify())
		.pipe(sourcemaps.write(''))
		.pipe(gulp.dest('public_html/js/'))
	;
});

gulp.task('resources', function () {
	gulp.src('node_modules/font-awesome/fonts/**')
		.pipe(gulp.dest('public_html/fonts'))
	;
});


gulp.task('watch',function() {
	gulp.watch('src/scss/**/*.scss', ['scss']);
	gulp.watch('src/js/**/*.js', ['js-main']);
});


gulp.task('production', ['scss', 'js-vendor', 'js-main', 'resources']);
gulp.task('default', ['production', 'watch']);