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Better guarantee that a popover position can be found #2948

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Feb 28, 2020
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Better guarantee that a popover position can be found #2948

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Better guarantee that a popover position can be found
chandlerprall Feb 28, 2020
f8e3aaa
changelog
chandlerprall Feb 28, 2020
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@

- Fixed `EuiTitle` not rendering child classes ([#2925](https://github.com/elastic/eui/pull/2925))
- Extended `div` element in `EuiFlyout` type ([#2914](https://github.com/elastic/eui/pull/2914))
- Fixed popover positioning service to be more lenient when positioning 0-width or 0-height content ([#2948](https://github.com/elastic/eui/pull/2948))

**Theme: Amsterdam**

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43 changes: 43 additions & 0 deletions src/components/flyout/__snapshots__/flyout.test.tsx.snap
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Expand Up @@ -172,6 +172,49 @@ exports[`EuiFlyout max width can be set to a default 1`] = `
</div>
`;

exports[`EuiFlyout props accepts div props 1`] = `
<div>
<div
data-focus-guard="true"
style="width:1px;height:0px;padding:0;overflow:hidden;position:fixed;top:1px;left:1px"
tabindex="0"
/>
<div
data-focus-guard="true"
style="width:1px;height:0px;padding:0;overflow:hidden;position:fixed;top:1px;left:1px"
tabindex="1"
/>
<div
data-focus-lock-disabled="false"
>
<div
class="euiFlyout euiFlyout--medium"
id="imaflyout"
role="dialog"
tabindex="0"
>
<button
aria-label="Closes this dialog"
class="euiButtonIcon euiButtonIcon--text euiFlyout__closeButton"
data-test-subj="euiFlyoutCloseButton"
type="button"
>
<div
aria-hidden="true"
class="euiButtonIcon__icon"
data-euiicon-type="cross"
/>
</button>
</div>
</div>
<div
data-focus-guard="true"
style="width:1px;height:0px;padding:0;overflow:hidden;position:fixed;top:1px;left:1px"
tabindex="0"
/>
</div>
`;

exports[`EuiFlyout props close button is not rendered 1`] = `
<div>
<div
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4 changes: 2 additions & 2 deletions src/services/popover/popover_positioning.ts
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Expand Up @@ -182,7 +182,7 @@ export function findPopoverPosition({
}
}

let bestFit = -Infinity;
let bestFit: number | undefined = undefined;
let bestPosition: FindPopoverPositionResult | null = null;

for (let idx = 0; idx < iterationPositions.length; idx++) {
Expand All @@ -201,7 +201,7 @@ export function findPopoverPosition({
arrowConfig,
});

if (screenCoordinates.fit > bestFit) {
if (bestFit === undefined || screenCoordinates.fit > bestFit) {
bestFit = screenCoordinates.fit;
bestPosition = {
fit: screenCoordinates.fit,
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