ui: Cleanup routing

ui/src/Main.elm

@@ -127,7 +127,7 @@ update msg model =
 
             SetRoute route ->
                 -- Updates broser URL to requested route.
-                ( model, Route.newUrl model.session.key route, Session.none )
+                ( model, Route.pushUrl model.session.key route, Session.none )
 
             UpdateSession (Ok persistent) ->
                 let
@@ -150,7 +150,7 @@ update msg model =
 
             ViewMailbox name ->
                 ( { model | mailboxName = "" }
-                , Route.newUrl model.session.key (Route.Mailbox name)
+                , Route.pushUrl model.session.key (Route.Mailbox name)
                 , Session.none
                 )
 

ui/src/Page/Mailbox.elm

@@ -146,7 +146,7 @@ update session msg model =
             ( updateSelected model id
             , Cmd.batch
                 [ -- Update browser location.
-                  Route.newUrl session.key (Route.Message model.mailboxName id)
+                  Route.replaceUrl session.key (Route.Message model.mailboxName id)
                 , getMessage model.mailboxName id
                 ]
             , Session.DisableRouting

ui/src/Page/Monitor.elm

@@ -73,7 +73,7 @@ update session msg model =
 
         OpenMessage header ->
             ( model
-            , Route.newUrl session.key (Route.Message header.mailbox header.id)
+            , Route.pushUrl session.key (Route.Message header.mailbox header.id)
             , Session.none
             )
 

ui/src/Route.elm

@@ -1,9 +1,10 @@
-module Route exposing (Route(..), fromUrl, href, modifyUrl, newUrl)
+module Route exposing (Route(..), fromUrl, href, pushUrl, replaceUrl)
 
 import Browser.Navigation as Navigation exposing (Key)
 import Html exposing (Attribute)
 import Html.Attributes as Attr
 import Url exposing (Url)
+import Url.Builder as Builder
 import Url.Parser as Parser exposing ((</>), Parser, map, oneOf, s, string, top)
 
 
@@ -30,8 +31,8 @@ routes =
 
 {-| Convert route to a URI.
 -}
-routeToString : Route -> String
-routeToString page =
+routeToPath : Route -> String
+routeToPath page =
     let
         pieces =
             case page of
@@ -53,26 +54,26 @@ routeToString page =
                 Status ->
                     [ "status" ]
     in
-    "/" ++ String.join "/" pieces
+    Builder.absolute pieces []
 
 
 
 -- PUBLIC HELPERS
 
 
-href : Key -> Route -> Attribute msg
-href key route =
-    Attr.href (routeToString route)
+href : Route -> Attribute msg
+href route =
+    Attr.href (routeToPath route)
 
 
-modifyUrl : Key -> Route -> Cmd msg
-modifyUrl key =
-    routeToString >> Navigation.replaceUrl key
+replaceUrl : Key -> Route -> Cmd msg
+replaceUrl key =
+    routeToPath >> Navigation.replaceUrl key
 
 
-newUrl : Key -> Route -> Cmd msg
-newUrl key =
-    routeToString >> Navigation.pushUrl key
+pushUrl : Key -> Route -> Cmd msg
+pushUrl key =
+    routeToPath >> Navigation.pushUrl key
 
 
 {-| Returns the Route for a given URL.

ui/src/Views/Page.elm

@@ -42,10 +42,10 @@ frame controls session page content =
         [ header []
             [ ul [ class "navbar", attribute "role" "navigation" ]
                 [ li [ id "navbar-brand" ]
-                    [ a [ Route.href session.key Route.Home ] [ text "@ inbucket" ] ]
-                , navbarLink session page Route.Monitor [ text "Monitor" ]
-                , navbarLink session page Route.Status [ text "Status" ]
-                , navbarRecent session page controls
+                    [ a [ Route.href Route.Home ] [ text "@ inbucket" ] ]
+                , navbarLink page Route.Monitor [ text "Monitor" ]
+                , navbarLink page Route.Status [ text "Status" ]
+                , navbarRecent page controls
                 , li [ id "navbar-mailbox" ]
                     [ form [ Events.onSubmit (controls.viewMailbox controls.mailboxValue) ]
                         [ input
@@ -78,16 +78,16 @@ externalLink url title =
     a [ href url, target "_blank", rel "noopener" ] [ text title ]
 
 
-navbarLink : Session -> ActivePage -> Route -> List (Html a) -> Html a
-navbarLink session page route linkContent =
+navbarLink : ActivePage -> Route -> List (Html a) -> Html a
+navbarLink page route linkContent =
     li [ classList [ ( "navbar-active", isActive page route ) ] ]
-        [ a [ Route.href session.key route ] linkContent ]
+        [ a [ Route.href route ] linkContent ]
 
 
 {-| Renders list of recent mailboxes, selecting the currently active mailbox.
 -}
-navbarRecent : Session -> ActivePage -> FrameControls msg -> Html msg
-navbarRecent session page controls =
+navbarRecent : ActivePage -> FrameControls msg -> Html msg
+navbarRecent page controls =
     let
         active =
             page == Mailbox
@@ -109,7 +109,7 @@ navbarRecent session page controls =
                 controls.recentOptions
 
         recentLink mailbox =
-            a [ Route.href session.key (Route.Mailbox mailbox) ] [ text mailbox ]
+            a [ Route.href (Route.Mailbox mailbox) ] [ text mailbox ]
     in
     li
         [ id "navbar-recent"