gulpfile.js

// Requis
var     gulp = require('gulp'),
        cssbeautify = require('gulp-cssbeautify'),
        inlineCss = require('gulp-inline-css');
var     sass = require('gulp-sass');
var     csscomb = require('gulp-csscomb');
const   autoprefixer = require('gulp-autoprefixer');
var     csso = require('gulp-csso');
var     extender = require('gulp-html-extend');
var     del = require('del');
var     gulpRemoveHtml = require('gulp-remove-html');
var     runSequence = require('run-sequence');

// Include plugins
var     plugins = require('gulp-load-plugins')();

// Variables de chemins
var     source = './app'; // dossier de travail
var     destination = './dist'; // dossier à livrer


// les tâches
gulp.task('sass', function(){
  return gulp.src(source + '/scss/**/*.scss')
  	.pipe(plugins.sass())
    .pipe(sass()) // Converts Sass to CSS with gulp-sass
    .pipe(plugins.csscomb())
    .pipe(plugins.cssbeautify({indent: '  '}))
    .pipe(plugins.autoprefixer())
    .pipe(inlineCss({
            	applyStyleTags: true,
            	applyLinkTags: true,
            	removeStyleTags: true,
            	removeLinkTags: true
        }))
    .pipe(gulp.dest(source + '/css'))
});

/*gulp.task('minify', function () {
  return gulp.src(destination + '/css/*.css')
    .pipe(plugins.csso())
    .pipe(plugins.rename({
      suffix: '.min'
    }))
    .pipe(gulp.dest(destination + '/css/'));
});*/

// fusion des includes en un seul fichier
gulp.task('html', function() {
  return  gulp.src(source + '/{,blocks/}*.html')
    // Generates HTML includes
    .pipe(extender({
      annotations: true,
      verbose: true
    }))
    .pipe(gulp.dest(destination))
});

gulp.task('remove-html', function () {
  return gulp.src(source + '/index.html')
    .pipe(gulpRemoveHtml())
    .pipe(gulp.dest(destination + '/index.txt'));
});


gulp.task('final', function (callback) {
  runSequence('inliner', 'html',
  callback
  )
})

gulp.task('inliner', function() {
    return gulp.src(source + '/*.html')
        .pipe(inlineCss())
        .pipe(gulp.dest(source));
});

// suppression du dossier distribution (dist)
gulp.task('clean', function() {
  del(destination);
})