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Helix

ClojureScript optimized for modern React development.

(ns my-app.core
  (:require [helix.core :refer [defnc $]]
            [helix.hooks :as hooks]
            [helix.dom :as d]
            ["react-dom/client" :as rdom]))

;; define components using the `defnc` macro
(defnc greeting
  "A component which greets a user."
  [{:keys [name]}]
  ;; use helix.dom to create DOM elements
  (d/div "Hello, " (d/strong name) "!"))

(defnc app []
  (let [[state set-state] (hooks/use-state {:name "Helix User"})]
    (d/div
     (d/h1 "Welcome!")
      ;; create elements out of components
      ($ greeting {:name (:name state)})
      (d/input {:value (:name state)
                :on-change #(set-state assoc :name (.. % -target -value))}))))

;; start your app with your favorite React renderer
(defonce root (rdom/createRoot (js/document.getElementById "app")))
(.render root ($ app))

Installation

Clojars Project

Install the latest version from clojars in your project.

Install JS dependencies:

npm init # initiliaze NPM project if necessary
npm i react react-refresh # install react, and react-refresh for hot reloading support (see docs)
npm i react-dom # install renderer. alternatives could be react-native, react-three-fiber, etc.

shadow-cljs and react-native

See React Native.

lein-cljsbuild / figwheel-main / raw CLJS

Use CLJSJS or package react yourself using webpack, ensuring it is provided as the name "react".

Documentation

View formatted docs at cljdoc badge

Other resources:

License

Copyright © 2020 Will Acton

Distributed under the EPL 2.0

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Will Acton, Will, rome-user, Zachary & Aaron Iba
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