add getFilters method (#982)

* add getFilters method * add getFilters() method add 'Filters must be set with setFilters method first' note. * return empty array if no filters are set * change to `return this.backend.filters || [];`
katspaugh · Feb 12, 2017 · d69fa6e · d69fa6e
1 parent f46df77
commit d69fa6e
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/wavesurfer.js b/src/wavesurfer.js
@@ -289,6 +289,15 @@ var WaveSurfer = {
         return this.isMuted;
     },
 
+    /**
+     * Get the list of current set filters as an array.
+     *
+     * Filters must be set with setFilters method first
+     */
+    getFilters: function() {
+        return this.backend.filters || [];
+    },
+
     toggleScroll: function () {
         this.params.scrollParent = !this.params.scrollParent;
         this.drawBuffer();