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return null if it is passed (#3021)

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This commit is contained in:
Vojtech Novak
2017-11-21 15:54:46 +01:00
committed by Spencer Carli
parent 04c075c1bb
commit cc355dcee9
1 changed files with 4 additions and 1 deletions
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5
src/views/Header/Header.js
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@@ -142,7 +142,10 @@ class Header extends React.PureComponent<Props, State> {
_renderLeftComponent = (props: SceneProps): ?React.Node => {
// $FlowFixMe
const { options } = this.props.getScreenDetails(props.scene);
if (React.isValidElement(options.headerLeft)) {
if (
React.isValidElement(options.headerLeft) ||
options.headerLeft === null
) {
return options.headerLeft;
}
if (props.scene.index === 0) {