lint new snapshot pieces

Author: timelyportfolio

src/components/modebar/buttons.js

@@ -58,10 +58,10 @@ modeBarButtons.toImage = {
         Lib.notifier('Taking snapshot - this may take a few seconds', 'long');
 
         downloadImage(gd)
-          .then(function(filename){
+          .then(function(filename) {
               Lib.notifier('Snapshot succeeded - ' + filename);
           })
-          .catch(function(err) {
+          .catch(function() {
               Lib.notifier('Sorry there was a problem downloading your snapshot', 'long');
           });
     }

src/snapshot/download.js

@@ -42,7 +42,7 @@ function downloadImage(gd, opts) {
         promise.then(function(result) {
             gd._snapshotInProgress = false;
             return fileSaver(result,filename);
-        }).then(function(name){
+        }).then(function(name) {
             resolve(name);
         }).catch(function(err) {
             gd._snapshotInProgress = false;

src/snapshot/filesaver.js

@@ -15,47 +15,47 @@ License: https://github.com/eligrey/FileSaver.js/blob/master/LICENSE.md
 
 
 'use strict';
-  
-var saveLink = document.createElementNS("http://www.w3.org/1999/xhtml", "a");
-var canUseSaveLink = "download" in saveLink;
+
+var saveLink = document.createElementNS('http://www.w3.org/1999/xhtml', 'a');
+var canUseSaveLink = 'download' in saveLink;
 var isSafari = /Version\/[\d\.]+.*Safari/.test(navigator.userAgent);
 
 var fileSaver = function(url, name) {
     var promise = new Promise(function(resolve, reject) {
-      	// IE <10 is explicitly unsupported
-      	if (typeof navigator !== "undefined" && /MSIE [1-9]\./.test(navigator.userAgent)) {
-      		  reject(new Error("IE < 10 unsupported"));
-      	}
-      	
-    		// First try a.download, then web filesystem, then object URLs
-    		if (isSafari) {
+        // IE <10 is explicitly unsupported
+        if(typeof navigator !== 'undefined' && /MSIE [1-9]\./.test(navigator.userAgent)) {
+            reject(new Error('IE < 10 unsupported'));
+        }
+
+        // First try a.download, then web filesystem, then object URLs
+        if(isSafari) {
             // Safari doesn't allow downloading of blob urls
-            document.location.href = "data:attachment/file" + url.slice(url.search(/[,;]/));
+            document.location.href = 'data:attachment/file' + url.slice(url.search(/[,;]/));
             resolve(name);
         }
-        
-    		if (!name) {
-      			name = "download";
-    		}
-    		
-    		if (canUseSaveLink) {
+
+        if(!name) {
+            name = 'download';
+        }
+
+        if(canUseSaveLink) {
             saveLink.href = url;
             saveLink.download = name;
             document.body.appendChild(saveLink);
             saveLink.click();
             document.body.removeChild(saveLink);
             resolve(name);
-    		}
-    		
-    	  // IE 10+ (native saveAs)
-    	  if (typeof navigator !== "undefined" && navigator.msSaveOrOpenBlob) {
+        }
+
+        // IE 10+ (native saveAs)
+        if(typeof navigator !== 'undefined' && navigator.msSaveOrOpenBlob) {
             navigator.msSaveOrOpenBlob(url, name);
             resolve(name);
         }
-        
+
         reject(new Error('download error'));
     });
-    
+
     return promise;
 };
 

src/snapshot/svgtoimg.js

@@ -24,7 +24,7 @@ function svgToImg(opts) {
 
         var ctx = canvas.getContext('2d');
         var img = new Image();
-        
+
         // for Safari support, eliminate createObjectURL
         //  this decision could cause problems if content
         //  is not restricted to svg