1 files changed, 79 insertions, 0 deletions
diff --git a/frontend/ts/src/main.ts b/frontend/ts/src/main.ts
new file mode 100644
index 0000000..e94043b
--- /dev/null
+++ b/frontend/ts/src/main.ts
@@ -0,0 +1,79 @@
+import { h, Html } from 'lib/rx'
+import * as rx from 'lib/rx'
+import * as layout from 'ui/layout'
+import * as request from 'request'
+import * as login from 'pages/login'
+import * as maps from 'pages/maps'
+import * as notFound from 'pages/notFound'
+import * as route from 'route'
+import * as pagesLayout from 'pages/layout'
+import * as map from 'pages/map'
+import * as L from 'lib/loadable'
+import { User } from 'models/user'
+
+// Push internal route when clicking on link
+document.addEventListener('click', (event: Event) => {
+    if (event.target !== null) {
+        const element = event.target as HTMLElement
+        const href = element.getAttribute('href')
+        if (href !== null) {
+            const r = route.get(href)
+            if (r !== undefined) {
+                event.preventDefault()
+                route.push(r)
+            }
+        }
+    }
+})
+
+rx.mount(
+    document.body,
+    rx.withState<route.Route | undefined>(route.get(window.location.pathname), routeVar =>
+        rx.withState<L.Loadable<User>>(L.init, userLoadableVar => {
+            window.onpopstate = (event: Event) => {
+                routeVar.update(_ => route.get(window.location.pathname))
+            }
+
+            return rx.map2([routeVar, userLoadableVar], (route, userLoadable) =>
+                view({
+                    route,
+                    userLoadable,
+                    updateUser: userLoadable => userLoadableVar.update(_ => userLoadable)
+                })
+            )
+        })
+    )
+)
+
+interface ViewParams {
+    route: route.Route | undefined
+    userLoadable: L.Loadable<User>
+    updateUser: (userLoadable: L.Loadable<User>) => void
+}
+
+function view({ route, userLoadable, updateUser }: ViewParams): Html {
+    if (route?.state == 'login') {
+        return login.view({ updateUser: (user: User) => updateUser(L.loaded(user)) })
+    } else {
+        if (userLoadable == L.init) {
+            request
+                .get<User>('/api/user')
+                .then(user => updateUser(L.loaded(user)))
+                .catch(({ message }) => updateUser(L.failure(message)))
+        }
+
+        return layout.loadable(userLoadable, user =>
+            pagesLayout.view(user, viewLoggedIn(route))
+        )
+    }
+}
+
+function viewLoggedIn(route?: route.Route): Html {
+    if (route?.state == 'maps') {
+        return maps.view()
+    } else if (route?.state == 'map') {
+        return map.view(route.id)
+    } else {
+        return notFound.view()
+    }
+}