findDOMNode not neccesary

Author: alfondotnet

src/DateTimeField.js

@@ -263,7 +263,7 @@ export default class DateTimeField extends Component {
       this.setState({
         showPicker: true
       });
-      gBCR = findDOMNode(this.refs.dtpbutton).getBoundingClientRect();
+      gBCR = this.refs.dtpbutton.getBoundingClientRect();
       classes = {
         "bootstrap-datetimepicker-widget": true,
         "dropdown-menu": true
@@ -272,11 +272,11 @@ export default class DateTimeField extends Component {
         top: gBCR.top + window.pageYOffset - document.documentElement.clientTop,
         left: gBCR.left + window.pageXOffset - document.documentElement.clientLeft
       };
-      offset.top = offset.top + findDOMNode(this.refs.datetimepicker).offsetHeight;
+      offset.top = offset.top + this.refs.datetimepicker.offsetHeight;
       scrollTop = (window.pageYOffset !== undefined) ? window.pageYOffset : (document.documentElement || document.body.parentNode || document.body).scrollTop;
-      placePosition = this.props.direction === "up" ? "top" : this.props.direction === "bottom" ? "bottom" : this.props.direction === "auto" ? offset.top + findDOMNode(this.refs.widget).offsetHeight > window.offsetHeight + scrollTop && this.refs.widget.offsetHeight + findDOMNode(this.refs.datetimepicker).offsetHeight > offset.top ? "top" : "bottom" : void 0;
+      placePosition = this.props.direction === "up" ? "top" : this.props.direction === "bottom" ? "bottom" : this.props.direction === "auto" ? offset.top + this.refs.widget.offsetHeight > window.offsetHeight + scrollTop && this.refs.widget.offsetHeight + this.refs.datetimepicker.offsetHeight > offset.top ? "top" : "bottom" : void 0;
       if (placePosition === "top") {
-        offset.top = -findDOMNode(this.refs.widget).offsetHeight - findDOMNode(this).clientHeight - 2;
+        offset.top = -this.refs.widget.offsetHeight - this.clientHeight - 2;
         classes.top = true;
         classes.bottom = false;
         classes["pull-right"] = true;