fix: filter target image when click to view

Fixes #211

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## next
+
+- Fix wrong click action when the target image is ignored by the `filter` option (#211)
+
 ## 1.2.1 (Oct 20, 2018)
 
 - Improve viewer instance storage to avoid side effect.

src/js/viewer.js

@@ -163,7 +163,8 @@ class Viewer {
       });
     } else {
       addListener(element, EVENT_CLICK, (this.onStart = ({ target }) => {
-        if (target.tagName.toLowerCase() === 'img') {
+        if (target.tagName.toLowerCase() === 'img'
+          && isFunction(options.filter) && options.filter.call(this, target)) {
           this.view(this.images.indexOf(target));
         }
       }));