docs(frontend initiatives): add meeting minutes for 2021-06-08

minutes/2021/06/08-frontend-initiatives.md

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+# Frontend Initiatives Meeting
+
+**When**: June 08, 2021 15:00 CET **Who**: Austin, Birk, Bjørn, Debora,
+Edoardo, Hendrik, Ismay, Jan-Gerke, Jennifer, Kai, Martin, Médi, Simona, Viktor
+
+## Agenda
+
+- General updates
+  - Proposal for how [application
+    versions](https://github.com/dhis2/notes/discussions/293) will be handled
+    in the CI/CD world in progress
+  - DataTable has been released in UI along with new features:
+    https://github.com/dhis2/ui/blob/master/CHANGELOG.md
+- Lighthouse testing on CI (see
+  [slack](https://dhis2.slack.com/archives/C0BP0RABF/p1623050297078300)).
+  - If everyone likes this we could add it to Jira.
+- SameSite cookie changes in Chrome
+- Work groups updates
+  - Cypress
+  - PWA
+  - Developer Advocacy
+  - Client-side caching
+    - Outcome of the proposals:
+      https://github.com/dhis2/notes/blob/master/minutes/2021/06/03-client-side-caching.md
+  - PR Previews
+    - New workflows available, can be [installed with
+      `d2-style`](https://dhis2.slack.com/archives/C0BP0RABF/p1622810229070700) 
+    - To do: updating the default CORS whitelist in databases and environments.
+      - Done for debug.dhis2.org/dev
+    - Example workflow:
+      https://github.com/dhis2/workflows/blob/master/ci/dhis2-preview-pr.yml
+  - Visual regression testing
+  - i18n
+  - Browserlist
+- Misc?
+- Lighthouse testing on CI (see slack). If everyone likes this we could add it
+  to Jira.
+
+## Notes
+
+* General updates
+  * Proposal for how application versions will be handled in the CI/CD world in
+    progress
+    * Related notes discussion: https://github.com/dhis2/notes/discussions/293
+      * Upcoming changes: Read through them to be aware of upcoming changes and
+      find potential issues so we can catch those early
+    * Currently we don't care about app versions in the package.json, but we
+      will in the future
+    * PR contains details
+    * Libraries won't get bumped, only applications
+      * possible exceptions: d2 (& d2-ui)
+  * DataTable has been released in UI along with new features:
+    https://github.com/dhis2/ui/blob/master/CHANGELOG.md
+    * Other features: Modal can be hidden now with stateful contents
+    * Max-width prop for tag component
+    * AlertBar has a hide prop as well
+* Lighthouse testing on CI (see
+  [slack](https://dhis2.slack.com/archives/C0BP0RABF/p1623050297078300)).
+  * If everyone likes this we could add it to Jira.
+  * Run tests automatically
+  * Has to be run on every commit on master to be able to rely on it
+    * Could be combined with the PR preview label or with static files
+  * [Jira issue](https://jira.dhis2.org/browse/DEVOPS-61)
+* SameSite cookie changes in Chrome
+  * Temporary solution exists using chrome flags until version 94
+  * Chrome Version 94 will remove that feature and replace it with token based
+    auth
+  * Jira issue: https://jira.dhis2.org/browse/DHIS2-11311 
+  * Alternative:
+    * Use a local instance (running it on the localhost or have them on the
+      same machine)
+    * Maybe a local proxy, would have to be built into the dhis2 dev
+      environment
+      * Potential issues with absolute urls that are followed
+  * Long term solution: OAuth server
+- Work groups updates
+  * Cypress
+    * Network shim
+      * implemented in scheduler app and works on CI
+      * currently on alpha, will go into master soon
+    * Upcoming breaking change
+      * drops the `run` & `open` commands
+      * to make it work the same way on CI and other environments
+      * eliminates the need for npx
+      * is being aligned with the shared helpers inside the cli helpers engine
+    * Workflows from workflows repo can be used soon, docs are still missing
+      before it can be released
+      * Will be released either by the end of this or the start of next week,
+        probably!
+  * PWA
+    * New self-destruct mode that will clean up rogue service workers to
+      replace older service workers
+      * Details will be covered during the meeting on the 9th June '21
+        (PWA/caching API meet)
+      * Rogue service workers will cause users to see old version of app even
+        when it's been rebuilt recently.
+      * When updating a CRA app to a platform app, the service worker doesn't
+        get updated, which caused the service worker to be rogue (prior to the
+        self-destruct change)
+    * Prototype code is being put into the app-runtime right now and will be
+      merged into the alpha version soon
+    * registration process needs to be made rock solid & performance
+      improvements needs to be implemented to complete the current iteration
+  * Developer Advocacy
+    * Upcoming friday next meetup
+    * Jan-Gerke will demo how to use cypress
+    * Last time Birk gave a demo of the app hub
+      * Some external devs were really engaged (:thumbsup:)
+    * Developer portal: Would be nice to add google analytics
+      * Could use an alternative solution, e. g. the one the Android team uses
+        * matomo.org
+    * Some guides in the repo have been added
+    * There are some volunteers on github that will help with the documentation
+  * Client-side caching meeting
+    * Outcome of the proposals:
+      https://github.com/dhis2/notes/blob/master/minutes/2021/06/03-client-side-caching.md
+    * Using react-query inside app-runtime
+    * Next step: Expand on proof of concept
+      * starting next week
+    * Nice to have: Figure out possible interations between pwa caching and
+      app-runtime caching
+    * Ideally no breaking changes, will be released on alpha to be able to play
+      around with it
+  * PR Previews
+    * New workflows available, can be [installed with
+      `d2-style`](https://dhis2.slack.com/archives/C0BP0RABF/p1622810229070700) 
+    * To do: updating the default CORS whitelist in databases and environments.
+    * Example workflow:
+      https://github.com/dhis2/workflows/blob/master/ci/dhis2-preview-pr.yml
+    * One caveat: Only a labeled event will trigger the deploy. And that means
+      that if you pushed new changes after you have deployed a preview you need
+      to remove the label and then add the label back to trigger the event
+      again.
+  * Visual regression
+    * Debora, Ismay & Medi are working on solutions
+  * CI/CD
+    * Updates regarding app versions, see above
+    * Workflow updates improve performance on CI
+  * i18n
+    * Working grouped should at how transifex works
+      * Talk to Phil to get connected with the translators and get an
+        introduction how they work with transifex
+  * Browserlist
+    * Nothing happened there