fix: disable service workers in cypress (#830)

Co-authored-by: Dominik Pschenitschni <mail@celement.de>
Reviewed-on: https://kolaente.dev/vikunja/frontend/pulls/830
Reviewed-by: konrad <k@knt.li>
Co-authored-by: dpschen <dpschen@noreply.kolaente.de>
Co-committed-by: dpschen <dpschen@noreply.kolaente.de>

.drone.yml

@@ -79,25 +79,13 @@ steps:
     depends_on:
       - dependencies
 
-  # Building in dev mode to avoid the service worker for testing
-  - name: build-dev
-    image: node:16
-    pull: true
-    environment:
-      YARN_CACHE_FOLDER: .cache/yarn/
-      CYPRESS_CACHE_FOLDER: .cache/cypress/
-    commands:
-      - yarn build:dev
-    depends_on:
-      - dependencies
-
   - name: build-prod
     image: node:16
     pull: true
     environment:
       YARN_CACHE_FOLDER: .cache/yarn/
     commands:
-      - yarn build --dest dist-prod
+      - yarn build
     depends_on:
       - dependencies
 
@@ -119,12 +107,12 @@ steps:
       CYPRESS_CACHE_FOLDER: .cache/cypress/
       CYPRESS_DEFAULT_COMMAND_TIMEOUT: 60000
     commands:
-      - sed -i 's/localhost/api/g' dist-dev/index.html
-      - yarn serve:dist-dev & npx wait-on http://localhost:5000
+      - sed -i 's/localhost/api/g' dist/index.html
+      - yarn serve:dist & npx wait-on http://localhost:5000
       - yarn test:frontend --browser chrome
     depends_on:
       - dependencies
-      - build-dev
+      - build-prod
 
   - name: upload-test-results
     image: plugins/s3

cypress/support/index.js

@@ -2,3 +2,10 @@
 import './commands'
 import 'cypress-file-upload'
 import '@4tw/cypress-drag-drop'
+
+// see https://github.com/cypress-io/cypress/issues/702#issuecomment-587127275
+Cypress.on('window:before:load', (win) => {
+	// disable service workers
+	// @ts-ignore
+	delete win.navigator.__proto__.ServiceWorker
+})