A fresh retake of the React API in Fable, optimized for happiness.

Here is how it looks like:

module App

open Feliz

[<ReactComponent>]
let Counter() =
    let (count, setCount) = React.useState(0)
    Html.div [
        Html.button [
            prop.style [ style.marginRight 5 ]
            prop.onClick (fun _ -> setCount(count + 1))
            prop.text "Increment"
        ]

        Html.button [
            prop.style [ style.marginLeft 5 ]
            prop.onClick (fun _ -> setCount(count - 1))
            prop.text "Decrement"
        ]

        Html.h1 count
    ]

open Browser.Dom

let root = ReactDOM.createRoot (document.getElementById "root")
root.render (Counter())

• Flexible API design: Combine the reliability of F# type safety with the flexibility to interop easily with native JavaScript.
• Discoverable attributes with no more functions, Html attributes or CSS properties globally available so they are easy to find.
• Proper documentation: each attribute and CSS property
• Full React API support: Feliz aims to support the React API for building components using hooks, context and more.
• Fully Type-safe: no more Margin of obj but instead utilizing a plethora of overloaded functions to account for the overloaded nature of CSS attributes, covering 90%+ of the CSS styles, values and properties.
• Compatible with Femto.
• Approximately Zero bundle size increase where everything function body is erased from the generated JavaScript unless you actually use said function.

# install the template (if you haven't already)
dotnet new -i Feliz.Template
# create a new Feliz project from the installed template
dotnet new feliz -n MyProject
# navigate to the created project folder
cd MyProject
# install the npm dependencies
npm install
# install .NET tools
dotnet tool restore
# start the development server
npm start

Feliz has extensive documentation at https://fable-hub.github.io/Feliz/ with live examples alongside code samples, check them out and if you have any question, let us know!

Each project in Feliz has its own changelog file in the src folder. Check them out for the latest changes!

Here is a direct link to the Feliz changelog.