Giraffe.Razor
Razor view engine support for the Giraffe web framework.
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The Giraffe.Razor NuGet package adds additional HttpHandler functions to render Razor views in Giraffe.
In order to use the Razor functionality in an (ASP.NET Core) Giraffe application you'll need to register additional dependencies through the AddRazorEngine extension method during application start-up:
open Giraffe
open Giraffe.Razor
type Startup() =
member __.ConfigureServices (svc : IServiceCollection,
env : IHostingEnvironment) =
let viewsFolderPath =
Path.Combine(env.ContentRootPath, "Views")
svc.AddRazorEngine viewsFolderPath |> ignoreIf your all of your Razor views are kept in a Razor class library, then you do not need to specify a views folder path when registering the Razor dependencies. In this case there is an overload of AddRazorEngine which takes no arguments:
open Giraffe
open Giraffe.Razor
type Startup() =
member __.ConfigureServices (svc : IServiceCollection,
env : IHostingEnvironment) =
svc.AddRazorEngine() |> ignorerazorView
The razorView http handler utilises the official ASP.NET Core MVC Razor view engine to compile a view into a HTML page and sets the body of the HttpResponse object. It requires the content type, the view name, an optional view model, an optional view data dictionary, and an optional model state dictionary as input parameters.
Example:
Use the razorView function:
open Giraffe
open Giraffe.Razor
[<CLIMutable>]
type TestModel =
{
WelcomeText : string
}
let model = { WelcomeText = "Hello, World" }
let app =
choose [
// Assuming there is a view called "Index.cshtml"
route "/" >=> razorView "text/html" "Index" (Some model) None None
]razorHtmlView
The razorHtmlView http handler is the same as the razorView handler except that it automatically sets the response's content type to text/html; charset=utf-8.
Example:
Use the razorView function:
open Giraffe
open Giraffe.Razor
open Microsoft.AspNetCore.Mvc.ModelBinding
[<CLIMutable>]
type TestModel =
{
WelcomeText : string
}
let model = { WelcomeText = "Hello, World" }
let viewData =
dict [
"Title", "Hello World" :> obj
"Foo", 89 :> obj
"Bar", true :> obj
]
let modelState = ModelStateDictionary()
let app =
choose [
// Assuming there is a view called "Index.cshtml"
route "/" >=> razorHtmlView "Index" (Some model) (Some viewData) (Some modelState)
]validateAntiforgeryToken
The validateAntiforgeryToken http handler allows one to validate an anti forgery token created by the Microsoft.AspNetCore.Antiforgery API.
Example:
Inside a razor view add an anti forgery token:
<form action="/submit-sth">
@Html.AntiforgeryToken
<input type="submit">
</form>Use the validateAntiforgeryToken function to validate the form request:
open Giraffe
open Giraffe.Razor
let invalidCSRFTokenHandler = RequestErrors.badRequest "The CSRF token was invalid"
let app =
POST
>=> route "/submit-sth"
>=> validateAntiforgeryToken invalidCSRFTokenHandler
>=> Successful.OK "All good"Samples
Please find a fully functioning sample application under ./samples/GiraffeRazorSample/.
Nightly builds and NuGet feed
All official release packages are published to the official and public NuGet feed.
Nightly builds (builds from the develop branch) produce unofficial pre-release packages which can be pulled from the project's NuGet feed on GitHub.
These packages are being tagged with the Workflow's run number as the package version.
All other builds, such as builds triggered by pull requests produce a NuGet package which can be downloaded as an artifact from the individual GitHub action.
More information
For more information about Giraffe, how to set up a development environment, contribution guidelines and more please visit the main documentation page.