Init repo

gulpfile.js

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+var gulp = require('gulp');
+var browserSync = require('browser-sync');
+var sass = require('gulp-sass');
+var sourcemaps = require('gulp-sourcemaps');
+var autoprefixer = require('gulp-autoprefixer');
+var cleanCSS = require('gulp-clean-css');
+var uglify = require('gulp-uglify');
+var concat = require('gulp-concat');
+var imagemin = require('gulp-imagemin');
+var changed = require('gulp-changed');
+var htmlReplace = require('gulp-html-replace');
+var htmlMin = require('gulp-htmlmin');
+var del = require('del');
+var sequence = require('run-sequence');
+
+var config = {
+  dist: 'out/',
+  src: 'src/',
+
+  cssIn: 'src/css/**/*.css',
+  jsIn: 'src/js/**/*.js',
+  imgIn: 'src/img/**/*.{jpg,jpeg,png,gif}',
+  htmlIn: 'src/*.html',
+  scssIn: 'src/scss/**/*.scss',
+
+  cssOut: 'out/css/',
+  jsOut: 'out/js/',
+  imgOut: 'out/img/',
+  htmlOut: 'out/',
+  scssOut: 'src/css/',
+  cssOutName: 'style.css',
+  jsOutName: 'script.js',
+  cssReplaceOut: 'css/style.css',
+  jsReplaceOut: 'js/script.js'
+};
+
+gulp.task('reload', function() {
+  browserSync.reload();
+});
+
+gulp.task('serve', function() {
+  browserSync({
+    server: config.dist
+  });
+
+  gulp.watch(config.htmlIn, function() { sequence('html', 'reload') });
+  gulp.watch(config.scssIn, function() { sequence('sass', 'css', 'reload') });
+  gulp.watch(config.jsIn, function() { sequence('js', 'reload') });
+});
+
+gulp.task('sass', function() {
+  return gulp.src(config.scssIn)
+    .pipe(sourcemaps.init())
+    .pipe(sass().on('error', sass.logError))
+    .pipe(autoprefixer({
+      browsers: ['last 3 versions']
+    }))
+    .pipe(sourcemaps.write())
+    .pipe(gulp.dest(config.scssOut))
+    .pipe(browserSync.stream());
+});
+
+gulp.task('css', function() {
+  return gulp.src(config.cssIn)
+    .pipe(concat(config.cssOutName))
+    .pipe(cleanCSS())
+    .pipe(gulp.dest(config.cssOut));
+});
+
+gulp.task('js', function() {
+  return gulp.src(config.jsIn)
+    .pipe(concat(config.jsOutName))
+    .pipe(uglify())
+    .pipe(gulp.dest(config.jsOut));
+});
+
+gulp.task('img', function() {
+  return gulp.src(config.imgIn)
+    .pipe(changed(config.imgOut))
+    .pipe(imagemin())
+    .pipe(gulp.dest(config.imgOut));
+});
+
+gulp.task('html', function() {
+  return gulp.src(config.htmlIn)
+    .pipe(htmlReplace({
+      'css': config.cssReplaceOut,
+      'js': config.jsReplaceOut
+    }))
+    .pipe(htmlMin({
+      sortAttributes: true,
+      sortClassName: true,
+      collapseWhitespace: true
+    }))
+    .pipe(gulp.dest(config.htmlOut))
+});
+
+gulp.task('clean', function() {
+  return del([config.dist]);
+});
+
+gulp.task('build', function() {
+  sequence('clean', ['html', 'js', 'css', 'img']);
+});
+
+gulp.task('default', sequence('build', 'serve'));