don't remove desc element or symbol elements when optimizing SVGs

Author: mojavelinux

gulp.d/tasks/build.js

@@ -104,20 +104,20 @@ module.exports = (src, dest, preview) => () => {
       .src(['css/site.css', 'css/vendor/*.css'], { ...opts, sourcemaps })
       .pipe(postcss((file) => ({ plugins: postcssPlugins, options: { file } }))),
     vfs.src('font/*.{ttf,woff*(2)}', opts),
-    vfs
-      .src('img/**/*.{gif,ico,jpg,png,svg}', opts)
-      .pipe(
-        preview
-          ? through()
-          : imagemin(
-            [
-              imagemin.gifsicle(),
-              imagemin.jpegtran(),
-              imagemin.optipng(),
-              imagemin.svgo({ plugins: [{ removeViewBox: false }] }),
-            ].reduce((accum, it) => (it ? accum.concat(it) : accum), [])
-          )
-      ),
+    vfs.src('img/**/*.{gif,ico,jpg,png,svg}', opts).pipe(
+      preview
+        ? through()
+        : imagemin(
+          [
+            imagemin.gifsicle(),
+            imagemin.jpegtran(),
+            imagemin.optipng(),
+            imagemin.svgo({
+              plugins: [{ removeUselessDefs: false }, { removeViewBox: false }, { removeDesc: false }],
+            }),
+          ].reduce((accum, it) => (it ? accum.concat(it) : accum), [])
+        )
+    ),
     vfs.src('helpers/*.js', opts),
     vfs.src('layouts/*.hbs', opts),
     vfs.src('partials/*.hbs', opts)