Added cancellable requests for AxiosStrategy

functions/strategies/AxiosStrategy.js

@@ -1,16 +1,39 @@
 import axios from "axios"
 
+let cancelSource = axios.CancelToken.source()
+
+export const cancelRunningAxiosRequest = () => {
+  cancelSource.cancel()
+
+  // Create a new cancel token
+  cancelSource = axios.CancelToken.source()
+}
+
 const axiosWithProxy = async (req, { state }) => {
+  try {
     const { data } = await axios.post(
       state.postwoman.settings.PROXY_URL || "https://postwoman.apollosoftware.xyz/",
-    req
+      req,
+      {
+        cancelToken: cancelSource.token,
+      }
     )
     return data
+  } catch (e) {
+    // Check if the throw is due to a cancellation
+    if (axios.isCancel(e)) {
+      throw "cancellation"
+    } else {
+      throw e
+    }
+  }
 }
 
 const axiosWithoutProxy = async (req, _store) => {
+  try {
     const res = await axios({
       ...req,
+      cancelToken: cancelSource.token,
       transformResponse: [
         (data, headers) => {
           // If the response has a JSON content type, try parsing it
@@ -34,6 +57,13 @@ const axiosWithoutProxy = async (req, _store) => {
       ],
     })
     return res
+  } catch (e) {
+    if (axios.isCancel(e)) {
+      throw "cancellation"
+    } else {
+      throw e
+    }
+  }
 }
 
 const axiosStrategy = (req, store) => {