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[Emotion] Memoize EuiSkeleton components #7562

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merged 2 commits into from
Mar 11, 2024
Merged

[Emotion] Memoize EuiSkeleton components #7562

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67adfe0
Memoize basic skeleton component styles
cee-chen Mar 6, 2024
9d405fe
Memoize skeleton text styles + line generation
cee-chen Mar 6, 2024
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5 changes: 2 additions & 3 deletions src/components/skeleton/skeleton_circle.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -9,8 +9,8 @@
import React, { FunctionComponent, HTMLAttributes } from 'react';
import classNames from 'classnames';

import { useEuiMemoizedStyles } from '../../services';
import { CommonProps } from '../common';
import { useEuiTheme } from '../../services';

import { EuiSkeletonLoading, _EuiSkeletonAriaProps } from './skeleton_loading';
import { euiSkeletonCircleStyles } from './skeleton_circle.styles';
Expand All @@ -36,8 +36,7 @@ export const EuiSkeletonCircle: FunctionComponent<EuiSkeletonCircleProps> = ({
children,
...rest
}) => {
const euiTheme = useEuiTheme();
const styles = euiSkeletonCircleStyles(euiTheme);
const styles = useEuiMemoizedStyles(euiSkeletonCircleStyles);
const cssStyles = [styles.euiSkeletonCircle, styles[size]];

return (
Expand Down
5 changes: 2 additions & 3 deletions src/components/skeleton/skeleton_rectangle.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -9,8 +9,8 @@
import React, { FunctionComponent, HTMLAttributes } from 'react';
import classNames from 'classnames';

import { useEuiMemoizedStyles } from '../../services';
import { CommonProps } from '../common';
import { useEuiTheme } from '../../services';
import { logicalStyles } from '../../global_styling';

import { EuiSkeletonLoading, _EuiSkeletonAriaProps } from './skeleton_loading';
Expand Down Expand Up @@ -44,8 +44,7 @@ export const EuiSkeletonRectangle: FunctionComponent<
children,
...rest
}) => {
const euiTheme = useEuiTheme();
const styles = euiSkeletonRectangleStyles(euiTheme);
const styles = useEuiMemoizedStyles(euiSkeletonRectangleStyles);
const cssStyles = [styles.euiSkeletonRectangle, styles[borderRadius]];

return (
Expand Down
23 changes: 14 additions & 9 deletions src/components/skeleton/skeleton_text.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -6,11 +6,11 @@
* Side Public License, v 1.
*/

import React, { FunctionComponent, HTMLAttributes } from 'react';
import React, { FunctionComponent, HTMLAttributes, useMemo } from 'react';
import classNames from 'classnames';

import { useEuiMemoizedStyles } from '../../services';
import { CommonProps } from '../common';
import { useEuiTheme } from '../../services';
import { TextSize } from '../text/text';

import { EuiSkeletonLoading, _EuiSkeletonAriaProps } from './skeleton_loading';
Expand Down Expand Up @@ -45,14 +45,19 @@ export const EuiSkeletonText: FunctionComponent<EuiSkeletonTextProps> = ({
children,
...rest
}) => {
const euiTheme = useEuiTheme();
const styles = euiSkeletonTextStyles(euiTheme);
const lineCssStyles = [styles.euiSkeletonText, styles[size]];
const styles = useEuiMemoizedStyles(euiSkeletonTextStyles);
const cssStyles = useMemo(
() => [styles.euiSkeletonText, styles[size]],
[styles, size]
);

const lineElements = [];
for (let i = 0; i < lines; i++) {
lineElements.push(<span key={i} css={lineCssStyles} />);
}
const lineElements = useMemo(() => {
const lineElements = [];
for (let i = 0; i < lines; i++) {
lineElements.push(<span key={i} css={cssStyles} />);
}
return lineElements;
}, [lines, cssStyles]);

return (
<EuiSkeletonLoading
Expand Down
5 changes: 2 additions & 3 deletions src/components/skeleton/skeleton_title.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -9,8 +9,8 @@
import React, { FunctionComponent, HTMLAttributes } from 'react';
import classNames from 'classnames';

import { useEuiMemoizedStyles } from '../../services';
import { CommonProps } from '../common';
import { useEuiTheme } from '../../services';
import { EuiTitleSize } from '../title';

import { EuiSkeletonLoading, _EuiSkeletonAriaProps } from './skeleton_loading';
Expand All @@ -37,8 +37,7 @@ export const EuiSkeletonTitle: FunctionComponent<EuiSkeletonTitleProps> = ({
children,
...rest
}) => {
const euiTheme = useEuiTheme();
const styles = euiSkeletonTitleStyles(euiTheme);
const styles = useEuiMemoizedStyles(euiSkeletonTitleStyles);
const cssStyles = [styles.euiSkeletonTitle, styles[size]];

return (
Expand Down
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