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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 | 187x 187x 10x 10x 3x 7x 2x 5x 5x 5x 91x 3223x 5x 5x | import React, { FunctionComponent } from 'react';
import ReactPlaceholder from 'react-placeholder';
import CSS from 'csstype';
import _ from 'lodash';
import { StandardProps } from '../../util/component-types';
import { lucidClassNames } from '../../util/style-helpers';
import LoadingIndicator from '../LoadingIndicator/LoadingIndicator';
import Panel from '../Panel/Panel';
export interface IStandardSkeleton extends StandardProps {
className?: string;
/** LoadingSkeleton height. */
height?: number | string;
/** LoadingSkeleton width. */
width?: number | string;
}
export interface ILoadingSkeletonProps extends IStandardSkeleton {
/** Allows custom skeleton to be injected. */
Skeleton?: FunctionComponent<IStandardSkeleton>;
/** Controls the visibility of the `LoadingSkeleton`. */
isLoading: boolean;
/** Children controls wrapped by skeleton. */
children?: React.ReactNode;
/** Displays LoadingSkeleton custom header. */
header?: React.ReactNode;
style?: CSS.Properties;
/** Controls if LoadingSkeleton is wrapped in Panel. */
isPanel?: boolean;
/** Controls if built-in LoadingIndicator has overlay. Does not apply to other skeletons */
hasOverlay?: boolean;
/** Style variations for the overlay behind the loading indicator for built-in LoadingIndicator. Does not apply to other skeletons */
overlayKind?: 'light' | 'dark';
/** Controls if LoadingSkeleton replicated in number of rows. Default = 1. */
numRows?: number;
/** Controls if LoadingSkeleton replicated in number of columns. Default = 1. */
numColumns?: number;
marginBottom?: string | number | undefined;
marginTop?: string | number | undefined;
marginLeft?: string | number | undefined;
marginRight?: string | number | undefined;
}
const animationStyle = lucidClassNames.bind(
'&-LoadingSkeleton-animatedSkeleton'
);
export const LoadingSkeleton: FunctionComponent<ILoadingSkeletonProps> = (
props
) => {
const {
Skeleton,
isLoading,
children,
className,
header,
style,
width = undefined,
height = undefined,
isPanel = false,
hasOverlay = false,
overlayKind = 'light',
numRows = 1,
numColumns = 1,
marginTop = 2,
marginBottom = 2,
marginRight = 2,
marginLeft = 2,
} = { ...props };
if (!isLoading) {
return (
<div className={className} data-test-id='loadingSkeleton-Children'>
{children}
</div>
);
}
if (!Skeleton) {
return (
<LoadingIndicator
data-test-id='loadingSkeleton-LoadingIndicator'
isLoading
isVisible
hasOverlay={hasOverlay}
overlayKind={overlayKind}
/>
);
}
const skeletonProps = { ...style, width, height, display: 'flex' };
const skeletonPlaceholder = (
<Skeleton data-test-id='loadingSkeleton_Skeleton' {...skeletonProps} />
);
const matrix = _.times(numColumns, (column) => (
<div
key={`column${column}`}
style={{
display: 'inline-block',
marginRight: marginRight,
marginLeft: marginLeft,
}}
data-test-id='loadingSkeleton-SkeletonColumn'
>
<div
style={{
display: 'inline-block',
}}
>
{_.times(numRows, (row) => (
<div
className={animationStyle('&', className)}
data-test-id='loadingSkeleton-ReactPlaceholder'
key={`row${row}`}
style={{
marginTop: marginTop,
marginBottom: marginBottom,
}}
>
<div>
{header ? (
<div
data-test-id='loadingSkeleton-SkeletonHeader'
style={{
marginBottom: 2,
}}
>
{header}
</div>
) : null}
<ReactPlaceholder
showLoadingAnimation={true}
ready={!isLoading}
customPlaceholder={skeletonPlaceholder}
>
{}
</ReactPlaceholder>
</div>
</div>
))}
</div>
</div>
));
const skeletonMatrix = <div>{matrix}</div>;
return isPanel ? (
<Panel data-test-id='loadingSkeleton-Panel'>{skeletonMatrix}</Panel>
) : (
skeletonMatrix
);
};
export default LoadingSkeleton;
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