Update a few packages

build/sass.js

@@ -1,25 +1,28 @@
-const sass        = require('gulp-sass');
-const prefix      = require('gulp-autoprefixer');
-const cleanCSS    = require('gulp-clean-css');
+const sass = require('gulp-sass');
+const prefix = require('gulp-autoprefixer');
+const cleanCSS = require('gulp-clean-css');
 
-const scssPath    = '_scss/*.scss';
-const destPath    = '_site/css';
+const scssPath = '_scss/*.scss';
+const destPath = '_site/css';
 
 module.exports = gulp => {
-
   gulp.task('sass', () => {
-    return gulp.src(scssPath)
-      .pipe(sass({
-        includePaths: ['scss'],
-        outputStyle: 'expanded'
-      }))
-      .pipe(prefix({
-        browsers: ['last 2 versions'],
-        cascade: false
-      }))
+    return gulp
+      .src(scssPath)
+      .pipe(
+        sass({
+          includePaths: ['scss'],
+          outputStyle: 'expanded',
+        })
+      )
+      .pipe(
+        prefix({
+          browsers: ['last 2 versions'],
+          cascade: false,
+        })
+      )
       .pipe(cleanCSS({ compatibility: 'ie8' }))
       .pipe(gulp.dest(destPath))
       .pipe(gulp.dest('css'));
   });
-
 };