minor code style change

react/src/components/dashboard/qrModal/qrModal.js

@@ -33,15 +33,9 @@ class QRModal extends React.Component {
   }
 
   handleError(err) {
-    if (err.name === 'NoVideoInputDevicesError') {
-      this.setState({
-        error: translate('DASHBOARD.QR_ERR_NO_VIDEO_DEVICE'),
-      });
-    } else {
-      this.setState({
-        error: translate('DASHBOARD.QR_ERR_UNKNOWN'),
-      });
-    }
+    this.setState({
+      error: err.name === 'NoVideoInputDevicesError' ? translate('DASHBOARD.QR_ERR_NO_VIDEO_DEVICE') : translate('DASHBOARD.QR_ERR_UNKNOWN'),
+    });
   }
 
   openModal() {

react/src/components/dashboard/sendCoin/sendCoin.js

@@ -68,28 +68,29 @@ class SendCoin extends React.Component {
 
   setRecieverFromScan(receiver) {
     try {
-      var o = JSON.parse(receiver);
-      if (o && typeof o === "object") {
-        if(o.coin === this.props.ActiveCoin.coin) {
-          if(o.amount) {
+      const recObj = JSON.parse(receiver);
+
+      if (recObj &&
+          typeof recObj === 'object') {
+        if (recObj.coin === this.props.ActiveCoin.coin) {
+          if (recObj.amount) {
             this.setState({
-              amount: o.amount
-            });  
+              amount: recObj.amount,
+            });
           }
-          if(o.address) {
+          if (recObj.address) {
             this.setState({
-              sendTo: o.address
-            });  
+              sendTo: recObj.address,
+            });
           }
         }
       }
-    }
-    catch (e) {
+    } catch (e) {
       this.setState({
-        sendTo: receiver
+        sendTo: receiver,
       });
     }
-    
+
     document.getElementById('edexcoinSendTo').focus();
   }
 

react/src/components/dashboard/walletsNativeSend/walletsNativeSend.js

@@ -82,25 +82,26 @@ class WalletsNativeSend extends React.Component {
 
   setRecieverFromScan(receiver) {
     try {
-      var o = JSON.parse(receiver);
-      if (o && typeof o === "object") {
-        if(o.coin === this.props.ActiveCoin.coin) {
-          if(o.amount) {
+      const recObj = JSON.parse(receiver);
+
+      if (recObj &&
+          typeof recObj === 'object') {
+        if (recObj.coin === this.props.ActiveCoin.coin) {
+          if (recObj.amount) {
             this.setState({
-              amount: o.amount
-            });  
+              amount: recObj.amount,
+            });
           }
-          if(o.address) {
+          if (recObj.address) {
             this.setState({
-              sendTo: o.address
-            });  
+              sendTo: recObj.address,
+            });
           }
         }
       }
-    }
-    catch (e) {
+    } catch (e) {
       this.setState({
-        sendTo: receiver
+        sendTo: receiver,
       });
     }
     document.getElementById('kmdWalletSendTo').focus();
@@ -117,9 +118,11 @@ class WalletsNativeSend extends React.Component {
   }
 
   checkZAddressCount() {
-    if (this.props.ActiveCoin.addresses &&
-        (!this.props.ActiveCoin.addresses.private ||
-        this.props.ActiveCoin.addresses.private.length === 0)) {
+    const _addresses = this.props.ActiveCoin.addresses;
+
+    if (_addresses &&
+        (!_addresses.private ||
+        _addresses.private.length === 0)) {
       this.setState({
         renderAddressDropdown: false,
       });