Sunday, October 10, 2021

F# => JavaScript, React


F# and JavaScript with Zaid Ajaj @ .NET Rocks! vNext



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

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

ReactDOM.render(Counter(), document.getElementById "root")