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Mithril 2 update (#2255)

* Update frontend to Mithril 2

- Update Mithril version to v2.0.4
- Add Typescript typings for Mithril
- Rename "props" to "attrs"; "initProps" to "initAttrs"; "m.prop" to "m.stream"; "m.withAttr" to "utils/withAttr".
- Use Mithril 2's new lifecycle hooks
- SubtreeRetainer has been rewritten to be more useful for the new system
- Utils for forcing page re-initializations have been added (force attr in links, setRouteWithForcedRefresh util)
- Other mechanical changes, following the upgrade guide
- Remove some of the custom stuff in our Component base class
- Introduce "fragments" for non-components that control their own DOM
- Remove Mithril patches, introduce a few new ones (route attrs in <a>; 
- Redesign AlertManagerState `show` with 3 overloads: `show(children)`, `show(attrs, children)`, `show(componentClass, attrs, children)`
- The `affixedSidebar` util has been replaced with an `AffixedSidebar` component

Challenges:
- `children` and `tag` are now reserved, and can not be used as attr names
- Behavior of links to current page changed in Mithril. If moving to a page that is handled by the same component, the page component WILL NOT be re-initialized by default. Additional code to keep track of the current url is needed (See IndexPage, DiscussionPage, and UserPage for examples)
- Native Promise rejections are shown on console when not handled
- Instances of components can no longer be stored. The state pattern should be used instead.

Refs #1821.

Co-authored-by: Alexander Skvortsov <sasha.skvortsov109@gmail.com>
Co-authored-by: Matthew Kilgore <tankerkiller125@gmail.com>
Co-authored-by: Franz Liedke <franz@develophp.org>
This commit is contained in:
David Sevilla Martín
2020-09-23 22:40:37 -04:00
committed by GitHub
parent 1321b8cc28
commit 71f3379fcc
127 changed files with 2411 additions and 2074 deletions

View File

@@ -12,18 +12,17 @@ import NotificationsPage from './components/NotificationsPage';
*/
export default function (app) {
app.routes = {
index: { path: '/all', component: IndexPage.component() },
'index.filter': { path: '/:filter', component: IndexPage.component() },
index: { path: '/all', component: IndexPage },
discussion: { path: '/d/:id', component: DiscussionPage.component() },
'discussion.near': { path: '/d/:id/:near', component: DiscussionPage.component() },
discussion: { path: '/d/:id', component: DiscussionPage },
'discussion.near': { path: '/d/:id/:near', component: DiscussionPage },
user: { path: '/u/:username', component: PostsUserPage.component() },
'user.posts': { path: '/u/:username', component: PostsUserPage.component() },
'user.discussions': { path: '/u/:username/discussions', component: DiscussionsUserPage.component() },
user: { path: '/u/:username', component: PostsUserPage },
'user.posts': { path: '/u/:username', component: PostsUserPage },
'user.discussions': { path: '/u/:username/discussions', component: DiscussionsUserPage },
settings: { path: '/settings', component: SettingsPage.component() },
notifications: { path: '/notifications', component: NotificationsPage.component() },
settings: { path: '/settings', component: SettingsPage },
notifications: { path: '/notifications', component: NotificationsPage },
};
/**