From dcbb694a4f64cc99bfc376d82e5c2bc182125121 Mon Sep 17 00:00:00 2001
From: Jaifroid <egk10@cam.ac.uk>
Date: Sun, 10 Jan 2021 13:55:22 +0000
Subject: [PATCH] Add version control

Former-commit-id: 52c81eda62352d2011c5070e74166fd4f46e5c4d [formerly 81465b6e11d06b016de9cc8592e16d450af79b4f] [formerly 50d9a37b713073ce278d268765ef404547741997] [formerly 9e5278b3f895074f1cd4ca15a4f5776dc4923a16 [formerly a46a21957a3d70ee13561574f1a889eaf5e64f6b [formerly c90d29659e8ecd284aedcfd32f09d13337513076]]]
Former-commit-id: 7fa95c977c9ed0c9bca0919ca851271dabef047f [formerly 90ad67002100e44494d86370fcef11147f09b659 [formerly 033b07f4d5dfa365f446ea1d160ab9b962307afd]]
Former-commit-id: 79705a0f938775406f1564c24ffdba6dec794f44 [formerly 8ce730c38a9c3de059625364b01a19e3b081434f]
Former-commit-id: 0473cced3af55866d975fb2370f340116acede44
---
 pwabuilder-sw.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/pwabuilder-sw.js b/pwabuilder-sw.js
index 1f920641..3f36529b 100644
--- a/pwabuilder-sw.js
+++ b/pwabuilder-sw.js
@@ -102,7 +102,7 @@ self.addEventListener("install", function (event) {
   console.log("[SW] Install Event processing");
   self.skipWaiting();
   var requests = precacheFiles.map(function(url) {
-    return new Request(url, { cache: 'no-cache' });
+    return new Request(url + '?v' + appVersion, { cache: 'no-cache' });
   });
   if (!excludedURLSchema.test(requests[0].url)) event.waitUntil(
     // caches.open(CACHE).then(function (cache) {
@@ -264,9 +264,12 @@ function intercept(event) {
             }, [messageChannel.port2]);
           });
         } else {
+          // It's not a ZIM URL
           return fetch(event.request).then(function (response) {
             // If request was success, add or update it in the cache
-            if (!excludedURLSchema.test(event.request.url)) event.waitUntil(updateCache(event.request, response.clone()));
+            if (!excludedURLSchema.test(event.request.url) && !/\.zim\w{0,2}$/i.test(event.request.url)) {
+              event.waitUntil(updateCache(event.request, response.clone()));
+            }
             return response;
           }).catch(function (error) {
             console.log("[SW] Network request failed and no cache.", error);