dillonkearns/elm-pages-v3-beta
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Add serverless request Page builder.

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This commit is contained in:
Dillon Kearns 2021-04-24 16:01:31 -07:00
parent 2b78dd89bc
commit 38d6b65477
5 changed files with 69 additions and 20 deletions
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9
examples/docs/functions/render/index.js
View File

@ -7,11 +7,17 @@ exports.handler =
*/
async function (event, context) {
console.log(JSON.stringify(event));
global.staticHttpCache = {};
const compiledElmPath = path.join(__dirname, "elm-pages-cli.js");
const renderer = require("../../../../generator/src/render");
try {
const renderResult = await renderer(compiledElmPath, event.path, event);
const renderResult = await renderer(
compiledElmPath,
event.path,
event,
function () {}
);
if (renderResult.kind === "json") {
return {
@ -33,6 +39,7 @@ exports.handler =
};
}
} catch (error) {
console.error(error);
return {
body: `<body><h1>Error</h1><pre>${error}</pre></body>`,
statusCode: 500,

11
examples/docs/src/Page/Time.elm
View File

@ -1,12 +1,15 @@
module Page.Time exposing (Data, Model, Msg, page)
import DataSource
import DataSource.Http
import Document exposing (Document)
import Element exposing (Element)
import Head
import Head.Seo as Seo
import OptimizedDecoder
import Page exposing (Page, PageWithState, StaticPayload)
import Pages.ImagePath as ImagePath
import Secrets
import Shared
@ -28,16 +31,18 @@ type alias RouteParams =
page : Page RouteParams Data
page =
Page.singleRoute
Page.serverlessRoute
{ head = head
, data = data
, data = \_ _ -> data
, routeFound = \_ -> DataSource.succeed True
}
|> Page.buildNoState { view = view }
data : DataSource.DataSource String
data =
DataSource.succeed "TIME RESPONSE"
DataSource.Http.get (Secrets.succeed "http://localhost:8080/")
OptimizedDecoder.string

5
examples/docs/src/ServerRequest.elm
View File

@ -1,6 +1,7 @@
module ServerRequest exposing (ServerRequest, expectHeader, init, optionalHeader, staticData, toStaticHttp)
import DataSource
import DataSource.Http
import Internal.OptimizedDecoder exposing (OptimizedDecoder)
import OptimizedDecoder
import Secrets
@ -17,7 +18,7 @@ init constructor =
staticData : DataSource.DataSource String
staticData =
DataSource.get (Secrets.succeed "$$elm-pages$$headers")
DataSource.Http.get (Secrets.succeed "$$elm-pages$$headers")
(OptimizedDecoder.field "headers"
(OptimizedDecoder.field "accept-language" OptimizedDecoder.string)
)
@ -25,7 +26,7 @@ staticData =
toStaticHttp : ServerRequest decodesTo -> DataSource.DataSource decodesTo
toStaticHttp (ServerRequest decoder) =
DataSource.get (Secrets.succeed "$$elm-pages$$headers") decoder
DataSource.Http.get (Secrets.succeed "$$elm-pages$$headers") decoder
expectHeader : String -> ServerRequest (String -> value) -> ServerRequest value

43
generator/src/Page.elm
View File

@ -2,10 +2,11 @@ module Page exposing
( Builder(..)
, StaticPayload
, withData, noData
, prerenderedRoute, singleRoute
, Page, buildNoState
, PageWithState, buildWithLocalState, buildWithSharedState
, DynamicContext
, prerenderedRoute, singleRoute)
, serverlessRoute)
{-|
@ -32,7 +33,7 @@ But before the user even requests the page, we have the following data:
- `static` - this is the static data for this specific page. If you use `noData`, then this will be `()`, meaning there is no page-specific static data.
@docs withData, noData
@docs prerenderedRoute, singleRoute
@docs prerenderedRoute, singleRoute, serverlessRoute
## Stateless Page Modules
@ -51,6 +52,7 @@ import DataSource exposing (DataSource)
import Document exposing (Document)
import Head
import Pages.PagePath exposing (PagePath)
import ServerRequest exposing (ServerRequest)
import Shared
@ -69,6 +71,7 @@ type alias PageWithState routeParams templateData templateModel templateMsg =
, init : StaticPayload templateData routeParams -> ( templateModel, Cmd templateMsg )
, update : StaticPayload templateData routeParams -> Maybe Browser.Navigation.Key -> templateMsg -> templateModel -> Shared.Model -> ( templateModel, Cmd templateMsg, Maybe Shared.SharedMsg )
, subscriptions : routeParams -> PagePath -> templateModel -> Shared.Model -> Sub templateMsg
, handleRoute : Maybe (routeParams -> DataSource Bool)
}
@ -94,6 +97,8 @@ type Builder routeParams templateData
, head :
StaticPayload templateData routeParams
-> List Head.Tag
, serverless : Bool
, handleRoute : Maybe (routeParams -> DataSource Bool)
}
@ -115,6 +120,7 @@ buildNoState { view } builderState =
, init = \_ -> ( (), Cmd.none )
, update = \_ _ _ _ _ -> ( (), Cmd.none, Nothing )
, subscriptions = \_ _ _ _ -> Sub.none
, handleRoute = record.handleRoute
}
@ -157,6 +163,7 @@ buildWithLocalState config builderState =
, subscriptions =
\routeParams path templateModel sharedModel ->
config.subscriptions routeParams path templateModel
, handleRoute = record.handleRoute
}
@ -198,6 +205,7 @@ buildWithSharedState config builderState =
msg
templateModel
, subscriptions = config.subscriptions
, handleRoute = record.handleRoute
}
@ -213,6 +221,8 @@ withData { data, head, staticRoutes } =
{ data = data
, staticRoutes = staticRoutes
, head = head
, serverless = False
, handleRoute = Nothing
}
@ -227,6 +237,8 @@ noData { head, staticRoutes } =
{ data = \_ -> DataSource.succeed ()
, staticRoutes = staticRoutes
, head = head
, serverless = False
, handleRoute = Nothing
}
@ -240,6 +252,8 @@ singleRoute { data, head } =
{ data = \_ -> data
, staticRoutes = DataSource.succeed [ {} ]
, head = head
, serverless = False
, handleRoute = Nothing
}
@ -254,4 +268,29 @@ prerenderedRoute { data, head, routes } =
{ data = data
, staticRoutes = routes
, head = head
, serverless = False
, handleRoute = Nothing
}
{-| -}
serverlessRoute :
{ data : (ServerRequest decodedRequest -> DataSource decodedRequest) -> routeParams -> DataSource data
, routeFound : routeParams -> DataSource Bool
, head : StaticPayload data routeParams -> List Head.Tag
}
-> Builder routeParams data
serverlessRoute { data, head, routeFound } =
WithData
{ data = data ServerRequest.toStaticHttp
, staticRoutes = DataSource.succeed []
, head = head
, serverless = True
, handleRoute = Just routeFound
}
type RouteFound
= Found
-- TODO other status codes, like 403?
| NotFound404

11
generator/src/generate-template-module-connector.js
View File

@ -451,17 +451,11 @@ getStaticRoutes =
DataSource.combine
[ ${templates
.map((name) => {
if (isParameterizedRoute(name)) {
return `Page.${moduleName(
name
)}.page.staticRoutes |> DataSource.map (List.map Route.${pathNormalizedName(
name
)})`;
} else {
return `DataSource.succeed [ Route.${routeHelpers.routeVariant(
name
)} {} ]`;
}
})
.join("\n , ")}
]
@ -634,7 +628,10 @@ function handleRoute(name) {
"."
)}.page.staticRoutes |> DataSource.map (List.member routeParams)`;
} else {
return `DataSource.succeed True`;
return `Page.${name.join(".")}.page.handleRoute
|> Maybe.map (\\handler -> handler routeParams)
|> Maybe.withDefault (DataSource.succeed True)
`;
}
}