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82 lines
2.2 KiB
TypeScript
82 lines
2.2 KiB
TypeScript
import LoadingOutlined from '@ant-design/icons/LoadingOutlined';
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import classNames from 'classnames';
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import CSSMotion from 'rc-motion';
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import React, { forwardRef } from 'react';
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import IconWrapper from './IconWrapper';
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type InnerLoadingIconProps = {
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prefixCls: string;
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className?: string;
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style?: React.CSSProperties;
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iconClassName?: string;
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};
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const InnerLoadingIcon = forwardRef<HTMLSpanElement, InnerLoadingIconProps>(
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({ prefixCls, className, style, iconClassName }, ref) => {
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const mergedIconCls = classNames(`${prefixCls}-loading-icon`, className);
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return (
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<IconWrapper prefixCls={prefixCls} className={mergedIconCls} style={style} ref={ref}>
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<LoadingOutlined className={iconClassName} />
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</IconWrapper>
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);
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},
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);
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export interface LoadingIconProps {
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prefixCls: string;
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existIcon: boolean;
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loading?: boolean | object;
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className?: string;
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style?: React.CSSProperties;
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}
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const getCollapsedWidth = (): React.CSSProperties => ({
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width: 0,
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opacity: 0,
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transform: 'scale(0)',
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});
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const getRealWidth = (node: HTMLElement): React.CSSProperties => ({
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width: node.scrollWidth,
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opacity: 1,
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transform: 'scale(1)',
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});
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const LoadingIcon: React.FC<LoadingIconProps> = (props) => {
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const { prefixCls, loading, existIcon, className, style } = props;
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const visible = !!loading;
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if (existIcon) {
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return <InnerLoadingIcon prefixCls={prefixCls} className={className} style={style} />;
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}
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return (
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<CSSMotion
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visible={visible}
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// We do not really use this motionName
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motionName={`${prefixCls}-loading-icon-motion`}
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motionLeave={visible}
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removeOnLeave
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onAppearStart={getCollapsedWidth}
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onAppearActive={getRealWidth}
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onEnterStart={getCollapsedWidth}
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onEnterActive={getRealWidth}
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onLeaveStart={getRealWidth}
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onLeaveActive={getCollapsedWidth}
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>
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{({ className: motionCls, style: motionStyle }, ref: React.Ref<HTMLSpanElement>) => (
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<InnerLoadingIcon
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prefixCls={prefixCls}
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className={className}
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style={{ ...style, ...motionStyle }}
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ref={ref}
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iconClassName={motionCls}
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/>
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)}
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</CSSMotion>
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);
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};
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export default LoadingIcon;
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