Created
March 22, 2016 01:47
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| import Effects exposing (Effects(..), Never) | |
| import Html exposing (Html, div, button, text) | |
| import Html.Events exposing (onClick) | |
| import Signal exposing (Mailbox) | |
| import StartApp as SA | |
| import Task exposing (Task(..)) | |
| type Request = DummyRequest | Request String | |
| type Response = Response String | |
| type Action = NoOp | Click | Incoming Response | Success String | |
| requestBox : Mailbox Request | |
| requestBox = Signal.mailbox DummyRequest | |
| request : Request -> Effects Action | |
| request r = Effects.task (Signal.send requestBox.address r) |> Effects.map (\_ -> NoOp) | |
| update : Action -> String -> (String, Effects Action) | |
| update action model = | |
| case action of | |
| Click -> (model, request (Request model)) | |
| Incoming (Response s) -> (model, Effects.task (Task.succeed (Success s))) | |
| Success s -> (s, Effects.none) | |
| _ -> (model, Effects.none) | |
| view : Signal.Address Action -> String -> Html | |
| view address model = | |
| div [] [ | |
| text ("last response " ++ model) | |
| , button [onClick address Click] [text "Send Request"] | |
| ] | |
| app : SA.App String | |
| app = SA.start { | |
| init = ("", Effects.none) | |
| , update = update | |
| , view = view | |
| , inputs = [Signal.map (\y -> Incoming (Response y)) responsePort] | |
| } | |
| port tasks : Signal (Task Never ()) | |
| port tasks = app.tasks | |
| main = app.html | |
| port responsePort : Signal String | |
| port requestPort : Signal (List String) | |
| port requestPort = Signal.map (\r -> | |
| case r of | |
| Request s -> [s] | |
| DummyRequest -> []) requestBox.signal |
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| <html> | |
| <body> | |
| <script src='testelmd.js'></script> | |
| <script> | |
| var testelmd = Elm.fullscreen(Elm.Main, { responsePort: "" }); | |
| function doSendReply(s) { | |
| setTimeout(function() { | |
| console.log('request ' + s); | |
| testelmd.ports.responsePort.send("hi " + s); | |
| }, 100); | |
| } | |
| testelmd.ports.requestPort.subscribe(function (x) { | |
| for (var i = 0; i < x.length; i++) { | |
| var s = x[i]; | |
| doSendReply(s); | |
| } | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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