Merge pull request #219 from google/uncss_filter

Adding ignore filters to uncss so that the slide out menu works

gulpfile.js

@@ -95,6 +95,10 @@ gulp.task('styles', ['styles:components', 'styles:scss', 'styles:css']);
 
 // Scan Your HTML For Assets & Optimize Them
 gulp.task('html', function () {
+
+  // CSS Selectors for UnCSS to ignore
+  var ignore_css_selectors = [".navdrawer-container.open", /.app-bar.open/];
+
   return gulp.src('app/**/*.html')
     .pipe($.useref.assets({searchPath: '{.tmp,app}'}))
     // Concatenate And Minify JavaScript
@@ -104,7 +108,7 @@ gulp.task('html', function () {
     // Remove Any Unused CSS
     // Note: If not using the Style Guide, you can delete it from
     // the next line to only include styles your project uses.
-    .pipe($.if('*.css', $.uncss({ html: ['app/index.html','app/styleguide/index.html'] })))
+    .pipe($.if('*.css', $.uncss({ html: ['app/index.html','app/styleguide/index.html'], ignore: ignore_css_selectors })))
     .pipe($.useref.restore())
     .pipe($.useref())
     // Update Production Style Guide Paths