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This commit introduces the scaffolding for us to easily switch between Ember 3.28 and Ember 5 on the `main` branch of Discourse. Unfortunately, there is no built-in system to apply this kind of flagging within yarn / ember-cli. There are projects like `ember-try` which are designed for running against multiple version of a dependency, but they do not allow us to 'lock' dependency/sub-dependency versions, and are therefore unsuitable for our use in production.
Instead, we will be maintaining two root `package.json` files, and two `yarn.lock` files. For ember-3, they remain as-is. For ember5, we use a yarn 'resolution' to override the version for ember-source across the entire yarn workspace.
To allow for easy switching with minimal diff against the repository, `package.json` and `yarn.lock` are symlinks which point to `package-ember3.json` and `yarn-ember3.lock` by default. To switch to Ember 5, we can run `script/switch ember version 5` to update the symlinks to point to `package-ember5.json` and `package-ember3.json` respectively. In production, and when using `bin/ember-cli` for development, the ember version can also be upgraded using the `EMBER_VERSION=5` environment variable.
When making changes to dependencies, these should be made against the default `ember3` versions, and then `script/regen_ember_5_lockfile` should be used to regenerate `yarn-ember5.lock` accordingly. A new 'Ember Version Lockfiles' GitHub workflow will automate this process on Dependabot PRs.
When running a local environment against Ember 5, the two symlink changes will show up as git diffs. To avoid us accidentally committing/pushing that change, another GitHub workflow is introduced which checks the default Ember version and raises an error if it is greater than v3.
Supporting two ember versions simultaneously obviously carries significant overhead, so our aim will be to get themes/plugins updated as quickly as possible, and then drop this flag.
- Update optional-features to tie the `jquery-integration` flag to the current ember version
- Wrap ember-4-specific logic in ember-cli-build with a version check
- Update global-compat.js to add the jquery global if it doesn't exist (i.e. if we're on a modern ember version)
Extracted from https://github.com/discourse/discourse/pull/21720. This is a no-op under our current Ember 3.28 version.
- Skip rendering DModalLegacy when running Ember 5
- Move named outlet inside the DModalLegacy component file
- Exclude that DModalLegacy template from the build when running Ember 5
- Skip LegacySupport version of modal service when running Ember 5
- Add error popup for legacy modals when running Ember 5
Extracted from https://github.com/discourse/discourse/pull/21720. This is a no-op under our current Ember 3.28 version.
In modern versions of Ember, `this.parentView` is called internally during component init. We don't want our deprecation message to be triggered by that internal call, so we need an additional check.
Extracted from https://github.com/discourse/discourse/pull/21720
This hook is `cancel()`'d in a willTransition hook, but that isn't always enough. It might still be scheduled if there is a scroll event between `willTransition`, and the transition actually completing. Following c2d94be06e, this kind of scroll event happens when the loading indicator is set to 'spinner'. This would put the router in a weird state and cause navigation issues.
Also takes the opportunity to remove JQuery from this code path
https://meta.discourse.org/t/286463/15
If a group is < 5 members, the mention warning doesn't need to
be so harsh. This commit changes the copy for the existing warning
and adds a new one for groups that are >= 5 members.
When going 'back', default browser behavior is to restore the scroll position. Unfortunately sites are given no control over the timing of this restoration, which means it can happen halfway through an Ember transition. Therefore we disable it, and re-implement the functionality in our scroll-manager service.
We inadvertently dropped this configuration in 7c9cf666da, which led to issues like https://meta.discourse.org/t/286463
Making the icons available generally in tests is tricky because they're generated dynamically by the rails server. However, if we restrict it to dev-mode (`/tests` in a browser) then it's possible to load them from the running rails server. This is purely a visual thing to make debugging easier - it should not affect test behavior.
Reverts
- DEV: maxmind license checking failing tests #24534
- UX: Show if MaxMind key is missing on IP lookup #18993
These changes are leading to surprising results, our logs are now filling up with warnings on dev environments
We need the change to be redone
+ native classes
+ tracked properties
- Ember.Object
- Ember.Evented
- observers
- mixins
- computed/discourseComputed
Also removes unused wizard infrastructure for warnings. It appears
that once upon on time, either the server can generate warnings,
or some client code can generate them, which requires an extra
confirmation from the user before they can continue to the next step.
This code is not tested and appears unused and defunct. Nothing
generates such warning and the server does not serialize them.
Extracted from https://github.com/discourse/discourse/pull/23678
