lacking of yarn build since #56 merged (#95)

Co-authored-by: Archer <[email protected]>

Author: rains31

lib/index.js

@@ -120,6 +120,13 @@ var Graph = function Graph(_ref) {
       var eventName = _Object$keys[_i];
       network.current.on(eventName, events[eventName]);
     }
+
+    return function () {
+      for (var _i2 = 0, _Object$keys2 = Object.keys(events); _i2 < _Object$keys2.length; _i2++) {
+        var _eventName = _Object$keys2[_i2];
+        network.current.off(_eventName, events[_eventName]);
+      }
+    };
   }, [events]);
   return /*#__PURE__*/_react["default"].createElement("div", {
     ref: container,