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Improving Modal `visible` prop check to handle undefined and null (#2…

…2072)

Summary:
Changing the the this.props.visible if to be ` if (!!this.props.visible === false)` . So passing undefined, or other values wont set the modal to be visible. Granting that anything that is not true, will set the modal to null on the render.

I make this this PR, because on the company that im working, we used a lot of RN. At the moment, we arent using anything like flow or TS. But to grant that the modals will only show if they are set visible to true i have changed the if made.

_Pull requests that expand test coverage are more likely to get reviewed. Add a test case whenever possible!_
Pull Request resolved: #22072

Differential Revision: D12918086

Pulled By: TheSavior

fbshipit-source-id: 8f9c63ac6fd56d83949bb8428ad7c5b7bf805c49
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MateusAndrade authored and facebook-github-bot committed Nov 4, 2018
1 parent b03b9d5 commit cc13a7367b08bd766749ddbfaacc25ade1f33a8f
Showing with 1 addition and 1 deletion.
  1. +1 −1 Libraries/Modal/Modal.js
@@ -217,7 +217,7 @@ class Modal extends React.Component<Props> {
}

render(): React.Node {
if (this.props.visible === false) {
if (this.props.visible !== true) {
return null;
}

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