1 files changed, 59 insertions, 0 deletions
diff --git a/frontend/ts/src/route.ts b/frontend/ts/src/route.ts
new file mode 100644
index 0000000..eb5b57f
--- /dev/null
+++ b/frontend/ts/src/route.ts
@@ -0,0 +1,59 @@
+import * as router from 'lib/router'
+
+// Model
+
+export type Route =
+  | Login
+  | Maps
+  | Map;
+
+type Login = {
+    state: 'login'
+}
+export const login: Login = { state: 'login' }
+
+type Maps = {
+    state: 'maps'
+}
+export const maps: Maps = { state: 'maps' }
+
+type Map = {
+    state: 'map',
+    id: string
+}
+export function map({ id }: { id: string }): Map {
+    return { state: 'map', id }
+}
+
+// Serialization
+
+export function get(url: string): Route | undefined {
+    let res;
+
+    if (url == '/login') {
+        return { state: 'login' }
+    } else if (url == '/') {
+        return { state: 'maps' }
+    } else if (res = router.matches(url, '/:id')) {
+        return {
+            state: 'map',
+            id: res.data['id']
+        }
+    }
+}
+
+export function toString(route: Route): string {
+    if (route.state == 'login') return '/login'
+    else if (route.state == 'map') return `/${route.id}`
+    else return '/'
+}
+
+// History
+
+export function push(route: Route): void {
+    history.pushState({}, '', toString(route))
+
+    // Trigger pop state
+    const popStateEvent = new PopStateEvent('popstate', {})
+    dispatchEvent(popStateEvent)
+}