This package implements an opinionated set of bindings to the React library, optimizing for the most basic use cases.
- All React DOM elements and attributes are supported (soon, events are a work in progress).
- An intuitive API for specifying props - no arrays of key value pairs, just records.
- Attributes are optional, but type-checked. It is a type error to specify
hrefas an integer, for example.
You can install this package using Bower:
bower install [email protected]:lumihq/purescript-react-basic.gitHere is an example component which renders a label read from props along with a counter:
module React.Basic.Example where
import Prelude
import Control.Monad.Eff.Uncurried (mkEffFn1)
import React.Basic (ReactComponent, react)
import React.Basic.DOM as R
-- The props for the component
type ExampleProps =
{ label :: String
}
-- Create a component by passing a record to the `react` function.
-- The `render` function takes the props and current state, as well as a
-- state update callback, and produces a document.
example :: ReactComponent ExampleProps
example = react
{ initialState: { counter: 0 }
, receiveProps: \_ _ _ -> pure unit
, render: \{ label } { counter } setState ->
R.button { onClick: mkEffFn1 \_ -> do
setState \s -> { counter: s.counter + 1 }
, children: [ R.text (label <> ": " <> show counter) ]
}
}This component can be used directly from JavaScript. For example, if you are using purs-loader:
import {example as Example} from 'React.Basic.Example.purs';
const myComponent = () => (
<Example label='Increment' />
);
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