fix(isCapture): guard use of currentTarget

currentTarget was undefined, save it's value using
state before using in scroll listener.

Author: aronhelser

src/decorators/isCapture.js

@@ -4,6 +4,7 @@
 
 export default function (target) {
   target.prototype.isCapture = function (currentTarget) {
+    if (!currentTarget) return false
     const dataIsCapture = currentTarget.getAttribute('data-iscapture')
     return dataIsCapture && dataIsCapture === 'true' || this.props.isCapture || false
   }

src/index.js

@@ -299,9 +299,10 @@ class ReactTooltip extends React.Component {
       extraClass: e.currentTarget.getAttribute('data-class') || this.props.class || this.props.className || '',
       disable: e.currentTarget.getAttribute('data-tip-disable')
         ? e.currentTarget.getAttribute('data-tip-disable') === 'true'
-        : (this.props.disable || false)
+        : (this.props.disable || false),
+      currentTarget: e.currentTarget
     }, () => {
-      if (scrollHide) this.addScrollListener(e)
+      if (scrollHide) this.addScrollListener(this.state.currentTarget)
       this.updateTooltip(e)
 
       if (getContent && Array.isArray(getContent)) {
@@ -328,7 +329,7 @@ class ReactTooltip extends React.Component {
     const {afterShow} = this.props
     const placeholder = this.getTooltipContent()
     const delayTime = show ? 0 : parseInt(delayShow, 10)
-    const eventTarget = e.currentTarget
+    const eventTarget = e.currentTarget || e.target
 
     if (this.isEmptyTip(placeholder) || disable) return // if the tooltip is empty, disable the tooltip
     const updateState = () => {
@@ -390,8 +391,8 @@ class ReactTooltip extends React.Component {
    * Add scroll eventlistener when tooltip show
    * automatically hide the tooltip when scrolling
    */
-  addScrollListener (e) {
-    const isCaptureMode = this.isCapture(e.currentTarget)
+  addScrollListener (currentTarget) {
+    const isCaptureMode = this.isCapture(currentTarget)
     window.addEventListener('scroll', this.hideTooltip, isCaptureMode)
   }
 

standalone/react-tooltip.js

@@ -1327,6 +1327,7 @@ Object.defineProperty(exports, "__esModule", {
 
 exports.default = function (target) {
   target.prototype.isCapture = function (currentTarget) {
+    if (!currentTarget) return false;
     var dataIsCapture = currentTarget.getAttribute('data-iscapture');
     return dataIsCapture && dataIsCapture === 'true' || this.props.isCapture || false;
   };
@@ -1873,9 +1874,10 @@ var ReactTooltip = (0, _staticMethods2.default)(_class = (0, _windowListener2.de
         delayHide: e.currentTarget.getAttribute('data-delay-hide') || this.props.delayHide || 0,
         border: e.currentTarget.getAttribute('data-border') ? e.currentTarget.getAttribute('data-border') === 'true' : this.props.border || false,
         extraClass: e.currentTarget.getAttribute('data-class') || this.props.class || this.props.className || '',
-        disable: e.currentTarget.getAttribute('data-tip-disable') ? e.currentTarget.getAttribute('data-tip-disable') === 'true' : this.props.disable || false
+        disable: e.currentTarget.getAttribute('data-tip-disable') ? e.currentTarget.getAttribute('data-tip-disable') === 'true' : this.props.disable || false,
+        currentTarget: e.currentTarget
       }, function () {
-        if (scrollHide) _this5.addScrollListener(e);
+        if (scrollHide) _this5.addScrollListener(_this5.state.currentTarget);
         _this5.updateTooltip(e);
 
         if (getContent && Array.isArray(getContent)) {
@@ -1912,7 +1914,7 @@ var ReactTooltip = (0, _staticMethods2.default)(_class = (0, _windowListener2.de
 
       var placeholder = this.getTooltipContent();
       var delayTime = show ? 0 : parseInt(delayShow, 10);
-      var eventTarget = e.currentTarget;
+      var eventTarget = e.currentTarget || e.target;
 
       if (this.isEmptyTip(placeholder) || disable) return; // if the tooltip is empty, disable the tooltip
       var updateState = function updateState() {
@@ -1987,8 +1989,8 @@ var ReactTooltip = (0, _staticMethods2.default)(_class = (0, _windowListener2.de
 
   }, {
     key: 'addScrollListener',
-    value: function addScrollListener(e) {
-      var isCaptureMode = this.isCapture(e.currentTarget);
+    value: function addScrollListener(currentTarget) {
+      var isCaptureMode = this.isCapture(currentTarget);
       window.addEventListener('scroll', this.hideTooltip, isCaptureMode);
     }
   }, {