Support boilerplate for Elm clients
Lately I was toiling while writing a ClojureScript client. This made me crave Elm. I'm going to rewrite the ClojureScript client using Elm, but along the way, I'm stopping off here and recording my starter boilerplate.
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William Carroll
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3
boilerplate/elm/.gitignore
vendored
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boilerplate/elm/.gitignore
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/elm-stuff
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/Main.min.js
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/output.css
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boilerplate/elm/README.md
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boilerplate/elm/README.md
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# Elm
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Elm has one of the best developer experiences that I'm aware of. The error
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messages are helpful and the entire experience is optimized to improve the ease
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of writing web applications.
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## Developing
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If you're interested in contributing, the following will create an environment
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in which you can develop:
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```shell
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$ nix-shell
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$ elm-live -- src/Main.elm --output=Main.min.js
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```
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You can now view your web client at `http://localhost:8000`!
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boilerplate/elm/dir-locals.nix
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boilerplate/elm/dir-locals.nix
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let
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briefcase = import <briefcase> {};
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in briefcase.utils.nixBufferFromShell ./shell.nix
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30
boilerplate/elm/elm.json
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boilerplate/elm/elm.json
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{
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"type": "application",
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"source-directories": [
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"src"
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],
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"elm-version": "0.19.1",
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"dependencies": {
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"direct": {
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"elm/browser": "1.0.2",
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"elm/core": "1.0.5",
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"elm/html": "1.0.0",
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"elm/random": "1.0.0",
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"elm/svg": "1.0.1",
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"elm/time": "1.0.0",
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"elm-community/list-extra": "8.2.3",
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"elm-community/maybe-extra": "5.2.0",
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"elm-community/random-extra": "3.1.0"
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},
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"indirect": {
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"elm/json": "1.1.3",
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"elm/url": "1.0.0",
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"elm/virtual-dom": "1.0.2",
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"owanturist/elm-union-find": "1.0.0"
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}
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},
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"test-dependencies": {
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"direct": {},
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"indirect": {}
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}
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}
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3
boilerplate/elm/index.css
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boilerplate/elm/index.css
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@tailwind base;
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@tailwind components;
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@tailwind utilities;
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15
boilerplate/elm/index.html
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boilerplate/elm/index.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<title>Elm SPA</title>
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<link rel="stylesheet" href="./output.css" />
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<script src="./Main.min.js"></script>
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</head>
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<body class="font-serif">
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<div id="mount"></div>
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<script>
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Elm.Main.init({node: document.getElementById("mount")});
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</script>
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</body>
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</html>
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9
boilerplate/elm/shell.nix
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boilerplate/elm/shell.nix
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let
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pkgs = import <nixpkgs> {};
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in pkgs.mkShell {
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buildInputs = with pkgs; [
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elmPackages.elm
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elmPackages.elm-format
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elmPackages.elm-live
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];
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}
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boilerplate/elm/src/Landing.elm
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boilerplate/elm/src/Landing.elm
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module Landing exposing (render)
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import Html exposing (..)
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import Html.Attributes exposing (..)
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import Html.Events exposing (..)
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import State
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render : State.Model -> Html State.Msg
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render model =
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div [ class "pt-10 pb-20 px-10" ]
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[ p [] [ text "Welcome to the landing page!" ]
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]
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boilerplate/elm/src/Login.elm
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boilerplate/elm/src/Login.elm
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module Login exposing (render)
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import Html exposing (..)
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import Html.Attributes exposing (..)
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import Html.Events exposing (..)
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import State
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render : State.Model -> Html State.Msg
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render model =
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div [ class "pt-10 pb-20 px-10" ]
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[ p [] [ text "Please authenticate" ]
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]
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boilerplate/elm/src/Main.elm
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boilerplate/elm/src/Main.elm
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module Main exposing (main)
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import Browser
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import Html exposing (..)
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import Landing
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import Login
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import State
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subscriptions : State.Model -> Sub State.Msg
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subscriptions model =
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Sub.none
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view : State.Model -> Html State.Msg
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view model =
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case model.view of
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State.Landing ->
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Landing.render model
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State.Login ->
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Login.render model
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main =
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Browser.element
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{ init = \() -> ( State.init, Cmd.none )
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, subscriptions = subscriptions
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, update = State.update
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, view = view
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}
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43
boilerplate/elm/src/State.elm
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boilerplate/elm/src/State.elm
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module State exposing (..)
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type Msg
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= DoNothing
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| SetView View
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type View
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= Landing
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| Login
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type alias Model =
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{ isLoading : Bool
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, view : View
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}
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{-| The initial state for the application.
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-}
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init : Model
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init =
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{ isLoading = False
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, view = Landing
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}
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{-| Now that we have state, we need a function to change the state.
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-}
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update : Msg -> Model -> ( Model, Cmd Msg )
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update msg model =
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case msg of
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DoNothing ->
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( model, Cmd.none )
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SetView x ->
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( { model
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| view = x
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, isLoading = True
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}
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, Cmd.none
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)
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