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Fix crash with empty section headers 

Summary: It's ok for them to be empty, so we should check!

Reviewed By: yungsters

Differential Revision: D4664411

fbshipit-source-id: c66e98458708eee59757fa665b3a05972f1c1b70
This commit is contained in:
Spencer Ahrens 2017-03-06 21:16:55 -08:00 committed by Facebook Github Bot
parent 7005f54ab5
commit 28b43aa05c
1 changed files with 10 additions and 9 deletions
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13
Libraries/CustomComponents/ListView/ListView.js
View File

@ -430,15 +430,16 @@ var ListView = React.createClass({
}
if (renderSectionHeader) {
bodyComponents.push(React.cloneElement(
renderSectionHeader(
const element = renderSectionHeader(
dataSource.getSectionHeaderData(sectionIdx),
sectionID
),
{key: 's_' + sectionID},
));
);
if (element) {
bodyComponents.push(React.cloneElement(element, {key: 's_' + sectionID}));
if (this.props.stickySectionHeadersEnabled) {
stickySectionHeaderIndices.push(totalIndex++);
stickySectionHeaderIndices.push(totalIndex);
}
totalIndex++;
}
}