Add support for google and bing image searching

background.js

@@ -1,12 +1,16 @@
 function switchSearch(tab) {
     const bingSearch = "https://www.bing.com/search?q=";
     const googleSearch = "https://www.google.com/search?q=";
+
+    const bingImageSearch = "https://www.bing.com/images/search?q="
+    const googleImageSearchSubstring = "&tbm=isch";
     const url = tab.url;
 
     let newURL;
     let removeEngine;
     let searchEnd;
     let justSearch;
+    //Handle bing searches
     if (url.substring(0, bingSearch.length) === bingSearch) {
         removeEngine = url.slice(bingSearch.length);
         searchEnd = removeEngine.indexOf('&');
@@ -15,6 +19,15 @@ function switchSearch(tab) {
         newURL = googleSearch + justSearch + '&';
 
     }
+	//Handle Google image searches
+	else if (url.indexOf(googleImageSearchSubstring) > googleSearch.length) {
+		removeEngine = url.slice(googleSearch.length);
+		searchEnd = removeEngine.indexOf('&');
+		justSearch = removeEngine.substring(0, searchEnd);
+
+		newURL = bingImageSearch + justSearch + '&';
+	}
+    //Handle Google searches
     else if (url.substring(0, googleSearch.length) === googleSearch) {
         removeEngine = url.slice(googleSearch.length);
         searchEnd = removeEngine.indexOf('&');
@@ -22,6 +35,16 @@ function switchSearch(tab) {
 
         newURL = bingSearch + justSearch + '&';
     }
+    //Handle bing image searches
+    else if (url.substring(0, bingImageSearch.length) === bingImageSearch) {
+        removeEngine = url.slice(bingImageSearch.length)
+        searchEnd = removeEngine.indexOf('&');
+        justSearch = removeEngine.substring(0, searchEnd);
+
+        newURL = googleSearch + justSearch + googleImageSearchSubstring + '&';
+    }
+
+
     return newURL;
 }
 
@@ -32,5 +55,6 @@ chrome.action.onClicked.addListener((tab) => {
             args: [tab]
         }, async (redirect) => {
             await chrome.tabs.update({url: redirect[0].result});
-	} );
         });
+    }
+)

manifest.json

@@ -1,13 +1,13 @@
 {
     "name": "SearchSwitcher",
-    "version": "0.0.1",
+    "version": "0.0.2",
     "description": "Search switcher",
     "manifest_version": 3,
     "author": "Isaac Shoebottom",
     "action": {
 		"default_title": "Switch Search"
 	  },
-	  "permissions": ["activeTab", "tabs", "scripting"],
+	  "permissions": ["activeTab", "scripting"],
 	  "background": {
 		"service_worker": "background.js"
 	  }