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Make sure that select has multiple attribute set to appropriate state before appending options #13270

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merged 7 commits into from Aug 3, 2018
Merged

Make sure that select has multiple attribute set to appropriate state before appending options #13270

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2abb232
Make sure that `select` has `multiple` attribute set to appropriate s…
segoddnja Jul 25, 2018
d7c57e5
Add dom test fixture to test long multiple select scrolling to the fi…
segoddnja Jul 27, 2018
5d8d46a
typo fix
segoddnja Aug 1, 2018
b17ed8c
update comment
segoddnja Aug 2, 2018
b58cc88
Merge remote-tracking branch 'upstream/master'
segoddnja Aug 2, 2018
561efab
change a way of assigning property to domElement
segoddnja Aug 3, 2018
afedb68
Remove unused ref on select fixture form
nhunzaker Aug 3, 2018
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19 changes: 19 additions & 0 deletions fixtures/dom/src/components/fixtures/selects/index.js
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Expand Up @@ -159,6 +159,25 @@ class SelectFixture extends React.Component {
</div>
</TestCase>

<TestCase title="A multiple select being scrolled to first selected option">
<TestCase.ExpectedResult>
First selected option should be visible
</TestCase.ExpectedResult>

<div className="test-fixture">
<form>
<select multiple defaultValue={['tiger']}>
<option value="gorilla">gorilla</option>
<option value="giraffe">giraffe</option>
<option value="monkey">monkey</option>
<option value="lion">lion</option>
<option value="mongoose">mongoose</option>
<option value="tiger">tiget</option>
</select>
</form>
</div>
</TestCase>

<TestCase
title="An option which contains conditional render fails"
relatedIssues="11911">
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9 changes: 9 additions & 0 deletions packages/react-dom/src/client/ReactDOMFiberComponent.js
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Expand Up @@ -384,6 +384,15 @@ export function createElement(
// See discussion in https://github.com/facebook/react/pull/6896
// and discussion in https://bugzilla.mozilla.org/show_bug.cgi?id=1276240
domElement = ownerDocument.createElement(type);
// Normally attributes are assigned in `setInitialDOMProperties`, however the `multiple`
// attribute on `select`s needs to be added before `option`s are inserted. This prevents
// a bug where the `select` does not scroll to the correct option because singular
// `select` elements automatically pick the first item.
// See https://github.com/facebook/react/issues/13222
if (type === 'select' && props.multiple) {
const node = ((domElement: any): HTMLSelectElement);
node.multiple = true;
}
}
} else {
domElement = ownerDocument.createElementNS(namespaceURI, type);
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