gulpfile.js

let gulp = require('gulp');

var run = {
	less: require('gulp-less'),
	concat: require('gulp-concat'),
	css_minify: require('gulp-csso'),
	css_beutify: require('gulp-cssbeautify'),
	js_minify: require('gulp-uglify'),
	js_beutify: require('gulp-jsbeautifier'),
	plumber: require('gulp-plumber'),
	path: require('path'),
};

let name = "debug-bar-rewrite-rules";
let directory = run.path.resolve('./assets');


function less_watcher() {
	return gulp.watch([directory + "/*.less"], less_builder);
}

function css_watcher() {
	return gulp.watch([directory + "/*.dev.css"], css_minify);
}

function js_watcher() {
	return gulp.watch([directory + "/*.dev.js"], js_minify);
}

function less_builder() {
	return gulp.src(directory + "/*.less")
		.pipe(run.plumber())
		.pipe(run.less())
		.pipe(run.concat(name + '.dev.css'))
		.pipe(run.css_beutify())
		.pipe(run.plumber.stop())
		.pipe(gulp.dest(directory + "/"))
}

function css_minify() {
	return gulp.src(directory + "/*.dev.css")
		.pipe(run.plumber())
		.pipe(run.concat(name + '.css'))
		.pipe(run.css_minify())
		.pipe(run.plumber.stop())
		.pipe(gulp.dest(directory + "/"))
}


function js_minify() {
	return gulp.src([directory + "/*.dev.js"])
		.pipe(run.plumber())
		.pipe(run.concat(name + '.js'))
		.pipe(run.js_minify())
		.pipe(run.plumber.stop())
		.pipe(gulp.dest(directory + "/"))
}

exports.default = gulp.parallel(
	gulp.parallel(less_watcher, css_watcher, js_watcher),
	gulp.parallel(less_builder, js_minify),
);