Add JS template

NodeTemplate.elm

@@ -0,0 +1,81 @@
+port module Year201X.DayXX exposing (..)
+
+import Json.Decode
+
+
+port elmAsks : String -> Cmd msg
+
+
+port jsAnswers : (String -> msg) -> Sub msg
+
+
+main : Program Never Model Msg
+main =
+    Platform.program
+        { init = init1
+        , update = update1
+
+        -- { init = init2
+        -- , update = update2
+        , subscriptions = subscriptions
+        }
+
+
+type alias Model =
+    Int
+
+
+type Msg
+    = JsAnswers String
+
+
+init1 : ( Model, Cmd Msg )
+init1 =
+    ( initModel1, elmAsks (makeString initModel.id initModel.counter) )
+
+
+initModel1 : Model
+initModel1 =
+    0
+
+
+init2 : ( Model, Cmd Msg )
+init2 =
+    ( initModel2, elmAsks (makeString initModel.id initModel.counter) )
+
+
+initModel2 : Model
+initModel2 =
+    0
+
+
+update1 : Msg -> Model -> ( Model, Cmd Msg )
+update1 msg model =
+    case msg of
+        JsAnswers hash ->
+            ( model, Cmd.none )
+
+
+toInt : String -> Int
+toInt string =
+    string
+        |> String.toInt
+        |> Result.mapError (\_ -> Debug.crash "Wrong input!")
+        |> Result.withDefault 0
+
+
+update2 : Msg -> Model -> ( Model, Cmd Msg )
+update2 msg model =
+    case msg of
+        JsAnswers hash ->
+            ( model, Cmd.none )
+
+
+subscriptions : Model -> Sub Msg
+subscriptions model =
+    jsAnswers JsAnswers
+
+
+prepareForPort : String -> String
+prepareForPort string =
+    string

NodeTemplate.js

@@ -0,0 +1,4 @@
+const someDependency = require('some-dependency');
+const Elm = require('../js/201X-XX.js');
+const app = Elm.Year201X.DayXX.worker();
+app.ports.elmAsks.subscribe(data => app.ports.jsAnswers.send(someDependency(data)));

README.md

@@ -1,3 +1,7 @@
 Dependencies: `elm-make`, `node`, [`entr`](http://entrproject.org/)
 
 `./watch 2016 01` for autorun when developing ... or just once: `./run 2016 01`
+
+For puzzles that need Node interop:
+
+`./node_run 2016 01`