gulpfile.js

'use strict';

const autoprefixer = require('gulp-autoprefixer');
const browserSync = require('browser-sync');
// const combineMq = require('gulp-combine-mq');
const concat = require('gulp-concat');
const config = require('./config.json');
const del = require('del');
const gulp = require('gulp');
const htmlInclude = require('gulp-html-tag-include');
const notify = require('gulp-notify');
const plumber = require('gulp-plumber');
var sass = require('gulp-sass')(require('node-sass'));
const sourcemaps = require('gulp-sourcemaps');
const uglify = require('gulp-uglify-es').default;

// secondary tasks

gulp.task('api', done => {
  gulp.src(config.api.src).pipe(gulp.dest(config.api.dest));
  done();
});

gulp.task('api-dist', done => {
  gulp.src(config.api.src).pipe(gulp.dest(config.api.dist));
  done();
});

gulp.task('bs-reload', done => {
  browserSync.reload();
  done();
});

gulp.task('clean', del.bind(null, [config.env.dev.dest]));

gulp.task('clean-dist', del.bind(null, [config.env.producction.dest]));

gulp.task('css', done => {
  gulp
    .src(config.css.src)
    .pipe(sourcemaps.init())
    .pipe(plumber({ errorHandler: notify.onError('Error: <%= error.message %>') }))
    .pipe(sass({ outputStyle: 'extended' }))
    // .pipe(combineMq({ beautify: true }))
    .pipe(autoprefixer({ cascade: false }))
    .pipe(sourcemaps.write('./'))
    .pipe(gulp.dest(config.css.dest))
    .pipe(browserSync.reload({ stream: true }));
  done();
});

gulp.task('css-dist', done => {
  gulp
    .src(config.css.src)
    .pipe(plumber({ errorHandler: notify.onError('Error: <%= error.message %>') }))
    .pipe(sass({ outputStyle: 'compressed' }))
    // .pipe(combineMq({ beautify: false }))
    .pipe(autoprefixer({ cascade: false }))
    .pipe(gulp.dest(config.css.dist));
  done();
});

gulp.task('html', done => {
  gulp.src(config.html.src).pipe(htmlInclude()).pipe(gulp.dest(config.html.dest));
  done();
});

gulp.task('html-dist', done => {
  gulp.src(config.html.src).pipe(htmlInclude()).pipe(gulp.dest(config.html.dist));
  done();
});

gulp.task('images', done => {
  gulp
    .src(config.images.src)
    .pipe(plumber({ errorHandler: notify.onError('Error: <%= error.message %>') }))
    .pipe(gulp.dest(config.images.dest));
  done();
});

gulp.task('js', done => {
  gulp
    .src(config.js.src)
    .pipe(sourcemaps.init())
    .pipe(plumber({ errorHandler: notify.onError('Error: <%= error.message %>') }))
    .pipe(concat('main.js'))
    .pipe(sourcemaps.write('./'))
    .pipe(gulp.dest(config.js.dest))
    .pipe(browserSync.reload({ stream: true }));
  done();
});

gulp.task('js-dist', done => {
  gulp
    .src(config.js.src)
    .pipe(plumber({ errorHandler: notify.onError('Error: <%= error.message %>') }))
    .pipe(concat('main.js'))
    .pipe(uglify())
    .pipe(gulp.dest(config.js.dist));
  done();
});

gulp.task('images-dist', done => {
  gulp
    .src(config.images.src)
    .pipe(plumber({ errorHandler: notify.onError('Error: <%= error.message %>') }))
    .pipe(gulp.dest(config.images.dist));
  done();
});

// main tasks

gulp.task(
  'default',
  gulp.series(['clean', 'api', 'html', 'css', 'js', 'images'], done => {
    browserSync.init({ server: { baseDir: './public/' } });
    gulp.watch(config.api.src, gulp.series(['api', 'bs-reload']));
    gulp.watch(config.css.src, gulp.series('css'));
    gulp.watch(config.images.src, gulp.series(['images', 'bs-reload']));
    gulp.watch(config.js.src, gulp.series(['js', 'bs-reload']));
    gulp.watch(config.watch.html, gulp.series(['html', 'bs-reload']));
    done();
  })
);

gulp.task(
  'docs',
  gulp.series(
    [
      'clean-dist',
      'api-dist',
      'css-dist',
      'html-dist',
      'js-dist',
      'images-dist'
      // 'icons-dist'
    ],
    done => done()
  )
);