Cleanup unused frontend code (#653)

* frontend: remove unnecessary imports & js files

* frontend: cleanup code with elm-review - remove unused code

* frontend: remove duplicate viewport

frontend/src/Main.elm

@@ -28,15 +28,13 @@ import Html.Attributes
         )
 import Json.Decode
 import Page.Flakes exposing (Model(..))
-import Page.Home
 import Page.Options
 import Page.Packages
 import RemoteData exposing (RemoteData(..))
 import Route exposing (SearchType(..))
 import Search
     exposing
-        ( Msg(..)
-        , NixOSChannel
+        ( NixOSChannel
         , decodeNixOSChannels
         , defaultFlakeId
         )
@@ -68,7 +66,6 @@ type alias Model =
 
 type Page
     = NotFound
-    | Home Page.Home.Model
     | Packages Page.Packages.Model
     | Options Page.Options.Model
     | Flakes Page.Flakes.Model
@@ -113,7 +110,6 @@ init flags url navKey =
 type Msg
     = ChangedUrl Url.Url
     | ClickedLink Browser.UrlRequest
-    | HomeMsg Page.Home.Msg
     | PackagesMsg Page.Packages.Msg
     | OptionsMsg Page.Options.Msg
     | FlakesMsg Page.Flakes.Msg
@@ -199,9 +195,6 @@ pageMatch m1 m2 =
         ( NotFound, NotFound ) ->
             True
 
-        ( Home _, Home _ ) ->
-            True
-
         ( Packages model_a, Packages model_b ) ->
             { model_a | show = Nothing, showInstallDetails = Search.Unset, result = NotAsked }
                 == { model_b | show = Nothing, showInstallDetails = Search.Unset, result = NotAsked }
@@ -321,10 +314,6 @@ update msg model =
         ( ChangedUrl url, _ ) ->
             changeRouteTo model url
 
-        ( HomeMsg subMsg, Home subModel ) ->
-            Page.Home.update subMsg subModel model.nixosChannels
-                |> updateWith Home HomeMsg model
-
         ( PackagesMsg subMsg, Packages subModel ) ->
             Page.Packages.update model.navKey subMsg subModel model.nixosChannels
                 |> updateWith Packages PackagesMsg model
@@ -337,7 +326,7 @@ update msg model =
             Page.Flakes.update model.navKey subMsg subModel model.nixosChannels
                 |> updateWith Flakes FlakesMsg model
 
-        ( _, _ ) ->
+        _ ->
             -- Disregard messages that arrived for the wrong page.
             ( model, Cmd.none )
 
@@ -455,9 +444,6 @@ viewPage model =
         NotFound ->
             div [] [ text "Not Found" ]
 
-        Home _ ->
-            div [] [ text "Welcome" ]
-
         Packages packagesModel ->
             Html.map (\m -> PackagesMsg m) <| Page.Packages.view model.nixosChannels packagesModel
 

frontend/src/Page/Flakes.elm

@@ -26,11 +26,10 @@ import Html.Events exposing (onClick)
 import Http exposing (Body)
 import Page.Options exposing (Msg(..))
 import Page.Packages exposing (Msg(..))
-import RemoteData exposing (RemoteData(..))
+import RemoteData
 import Route
     exposing
-        ( Route(..)
-        , SearchType(..)
+        ( SearchType(..)
         )
 import Search
     exposing

frontend/src/Page/Home.elm

@@ -1,45 +0,0 @@
-module Page.Home exposing (Model, Msg, init, update, view)
-
-import Html exposing (Html, div, text)
-import Search exposing (NixOSChannel)
-
-
-
--- MODEL
-
-
-type alias Model =
-    ()
-
-
-init : ( Model, Cmd Msg )
-init =
-    ( (), Cmd.none )
-
-
-
--- UPDATE
-
-
-type Msg
-    = NoOp
-
-
-update :
-    Msg
-    -> Model
-    -> List NixOSChannel
-    -> ( Model, Cmd Msg )
-update msg model _ =
-    case msg of
-        NoOp ->
-            ( model, Cmd.none )
-
-
-
--- VIEW
-
-
-view : Model -> Html Msg
-view _ =
-    div [] [ text "Home" ]

frontend/src/Page/Packages.elm

@@ -3,9 +3,7 @@ module Page.Packages exposing
     , Msg(..)
     , decodeResultAggregations
     , decodeResultItemSource
-    , encodeBuckets
     , init
-    , initBuckets
     , makeRequest
     , makeRequestBody
     , update
@@ -14,7 +12,6 @@ module Page.Packages exposing
     , viewSuccess
     )
 
-import Browser.Events exposing (Visibility(..))
 import Browser.Navigation
 import Html
     exposing
@@ -47,12 +44,11 @@ import Json.Decode.Pipeline
 import Json.Encode
 import Maybe
 import Regex
-import Route exposing (Route(..), SearchType)
+import Route exposing (SearchType)
 import Search
     exposing
-        ( Details(..)
+        ( Details
         , NixOSChannel
-        , decodeResolvedFlake
         , viewBucket
         )
 import Utils

frontend/src/Route.elm

@@ -6,13 +6,10 @@ module Route exposing
     , allTypes
     , fromUrl
     , href
-    , replaceUrl
     , routeToString
-    , searchTypeToString
     , searchTypeToTitle
     )
 
-import Browser.Navigation
 import Html
 import Html.Attributes
 import Route.SearchQuery exposing (SearchQuery)
@@ -164,11 +161,6 @@ href targetRoute =
     Html.Attributes.href (routeToString targetRoute)
 
 
-replaceUrl : Browser.Navigation.Key -> Route -> Cmd msg
-replaceUrl navKey route =
-    Browser.Navigation.replaceUrl navKey (routeToString route)
-
-
 fromUrl : Url.Url -> Maybe Route
 fromUrl url =
     -- The RealWorld spec treats the fragment like a path.

frontend/src/Search.elm

@@ -11,14 +11,11 @@ module Search exposing
     , ResultItem
     , SearchResult
     , Sort(..)
-    , closeButton
     , decodeAggregation
     , decodeNixOSChannels
     , decodeResolvedFlake
-    , decodeResult
     , defaultFlakeId
     , elementId
-    , fromSortId
     , init
     , makeRequest
     , makeRequestBody
@@ -36,7 +33,6 @@ module Search exposing
 
 import Base64
 import Browser.Dom
-import Browser.Events exposing (Visibility(..))
 import Browser.Navigation
 import Html
     exposing
@@ -379,7 +375,6 @@ type Msg a b
     | ToggleSort
     | BucketsChange String
     | ChannelChange String
-    | FlakeChange String
     | SubjectChange SearchType
     | QueryInput String
     | QueryInputSubmit
@@ -464,16 +459,6 @@ update toRoute navKey msg model nixosChannels =
                 |> ensureLoading nixosChannels
                 |> pushUrl toRoute navKey
 
-        FlakeChange flake ->
-            { model
-                | channel = flake
-                , show = Nothing
-                , buckets = Nothing
-                , from = 0
-            }
-                |> ensureLoading nixosChannels
-                |> pushUrl toRoute navKey
-
         SubjectChange subject ->
             { model
                 | searchType = subject

frontend/src/index.html

@@ -3,14 +3,9 @@
 
 <head>
     <meta charset="utf-8"/>
-  <meta name="viewport" content="width=device-width, initial-scale=1">
+    <meta name="viewport" content="width=device-width, initial-scale=1"/>
     <title>NixOS Search</title>
 
-  <script type="text/javascript" src="https://nixos.org/js/jquery.min.js"></script>
-
-  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-
-  <script type="text/javascript" src="https://nixos.org/bootstrap/js/bootstrap.min.js"></script>
     <link rel="stylesheet" href="https://nixos.org/bootstrap/css/bootstrap.min.css"/>
 
     <link rel="stylesheet" href="https://nixos.org/bootstrap/css/bootstrap-responsive.min.css"/>
@@ -19,12 +14,10 @@
 
     <link rel="search" type="application/opensearchdescription+xml" title="NixOS packages"
           href="/desc-search-packages.xml">
-  <link rel="search" type="application/opensearchdescription+xml" title="NixOS options" href="/desc-search-options.xml">
+    <link rel="search" type="application/opensearchdescription+xml" title="NixOS options"
+          href="/desc-search-options.xml">
 </head>
 
-<body>
-  <script src="https://nixos.org/js/jquery.min.js"></script>
-  <script src="https://nixos.org/bootstrap/js/bootstrap.min.js"></script>
-</body>
+<body></body>
 
 </html>

frontend/tests/Example.elm

@@ -1,8 +1,7 @@
 module Example exposing (fuzzTest, unitTest, viewTest)
 
-import Expect exposing (Expectation)
-import Fuzz exposing (Fuzzer, int, list, string)
-import Main exposing (..)
+import Expect
+import Fuzz exposing (int)
 import Test exposing (..)
 import Test.Html.Query as Query
 import Test.Html.Selector exposing (tag, text)