Version 1.0.10. Firefox fix for "extraHeaders".

package.json

@@ -11,7 +11,7 @@
   "repository": {
     "url": "https://github.com/kickscondor/fraidycat"
   },
-  "version": "1.1.9",
+  "version": "1.1.10",
   "scripts": {
     "start": "npm run electron:setup && electron .",
     "start:firefox": "web-ext run --source-dir ./build/webext/",
@@ -103,6 +103,6 @@
     "parcel-plugin-web-extension": "^1.6.1",
     "sass": "^1.32.8",
     "web-ext": "^4.3.0",
-    "webextension-polyfill": "^0.6.0"
+    "webextension-polyfill": "^0.8.0"
   }
 }

src/js/webext/storage.js

@@ -276,7 +276,7 @@ class WebextStorage {
     browser.webRequest.onBeforeSendHeaders.addListener(rewriteUserAgentHeader,
       {urls: ["<all_urls>"], types: ["xmlhttprequest"]}, ["blocking", "requestHeaders"])
 
-    browser.webRequest.onHeadersReceived.addListener(e => {
+    let headersRecvFn = e => {
       let initiator = e.initiator || e.originUrl
       let headers = e.responseHeaders
       if (e.tabId === -1 && initiator && extUrl && (initiator + "/").startsWith(extUrl)) {
@@ -288,7 +288,16 @@ class WebextStorage {
         }
       }
       return {responseHeaders: headers};
-    }, {urls: ["<all_urls>"]}, ["blocking", "responseHeaders", "extraHeaders"])
+    }
+
+    // Firefox throws an error on "extraHeaders"
+    try {
+      browser.webRequest.onHeadersReceived.addListener(headersRecvFn,
+        {urls: ["<all_urls>"]}, ["blocking", "responseHeaders", "extraHeaders"])
+    } catch {
+      browser.webRequest.onHeadersReceived.addListener(headersRecvFn,
+        {urls: ["<all_urls>"]}, ["blocking", "responseHeaders"])
+    }
 
     browser.webRequest.onCompleted.addListener(async e => {
       let headers = e.responseHeaders

src/manifest.json

@@ -3,7 +3,7 @@
   "name": "Fraidycat",
   "short_name": "Fraidycat",
   "key": "hecfkgekabkkhiidlinmifelhdooeool",
-  "version": "1.1.9",
+  "version": "1.1.10",
   "description": "Follow from afar.",
   "homepage_url": "https://fraidyc.at/",
   "icons": {