fixed chrome.webRequest.RequestFilter.types

chrome/chrome-tests.ts

@@ -152,4 +152,25 @@ function printPage() {
         var action_url = "javascript:window.print();";
         chrome.tabs.update(tab.id, { url: action_url });
     });
-}
+}
+
+// https://developer.chrome.com/extensions/examples/extensions/catblock/background.js
+function catBlock () {
+    var loldogs: string[];
+    chrome.webRequest.onBeforeRequest.addListener(
+        function(info) {
+            console.log("Cat intercepted: " + info.url);
+            // Redirect the lolcal request to a random loldog URL.
+            var i = Math.round(Math.random() * loldogs.length);
+            return {redirectUrl: loldogs[i]};
+        },
+        // filters
+        {
+            urls: [
+                "https://i.chzbgr.com/*"
+            ],
+            types: ["image"]
+        },
+        // extraInfoSpec
+        ["blocking"]);
+}

chrome/chrome.d.ts

@@ -2248,7 +2248,7 @@ declare module chrome.webRequest {
 
     interface RequestFilter {
         tabId?: number;
-        types?: string;
+        types?: string[];
         urls: string[];
         windowId?: number;
     }