Created
May 31, 2018 18:33
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react-basic Ref component
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"use strict"; | |
var React = require("react"); | |
var ReactDOM = require("react-dom"); | |
exports.makeRef = function(toMaybe) { | |
var Ref = function(props) { | |
this.DOMNode = null; | |
return this; | |
}; | |
Ref.prototype = Object.create(React.Component.prototype); | |
Ref.displayName = "Ref"; | |
Ref.prototype.updateDOMNode = function() { | |
var newDOMNode = ReactDOM.findDOMNode(this); | |
if (this.DOMNode !== newDOMNode) { | |
this.DOMNode = newDOMNode; | |
this.forceUpdate(); | |
} | |
}; | |
Ref.prototype.componentDidMount = function() { | |
this.updateDOMNode(); | |
}; | |
Ref.prototype.componentDidUpdate = function() { | |
this.updateDOMNode(); | |
}; | |
Ref.prototype.render = function() { | |
return this.props.render(toMaybe(this.DOMNode)); | |
}; | |
return Ref; | |
}; |
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module Lumi.Components.Molecules.Ref where | |
import Prelude | |
import Data.Maybe (Maybe) | |
import Data.Nullable (Nullable, toMaybe) | |
import React.Basic (JSX, ReactComponent) | |
import React.Basic.DOM.Events (DOMNode) | |
type RefProps = | |
{ render :: Maybe DOMNode -> JSX | |
} | |
foreign import makeRef :: (Nullable ~> Maybe) -> ReactComponent RefProps | |
ref :: ReactComponent RefProps | |
ref = makeRef toMaybe |
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