chowa
Version:
UI component library based on React
39 lines (38 loc) • 1.14 kB
TypeScript
/**
* @license chowa v1.1.3
*
* Copyright (c) Chowa Techonlogies Co.,Ltd.(http://www.chowa.cn).
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import * as React from 'react';
import * as PropTypes from 'prop-types';
export interface BackTopProps {
className?: string;
style?: React.CSSProperties;
target?: () => HTMLElement | Window;
}
export interface BackTopState {
visible: boolean;
rolling: boolean;
}
declare class BackTop extends React.PureComponent<BackTopProps, BackTopState> {
static propTypes: {
className: PropTypes.Requireable<string>;
style: PropTypes.Requireable<object>;
target: PropTypes.Requireable<(...args: any[]) => any>;
};
static defaultProps: {
target: () => Window & typeof globalThis;
};
constructor(props: BackTopProps);
private getScrollTop;
private setScrollTop;
private onScrollHandler;
componentDidMount(): void;
componentWillUnmount(): void;
private onClickHandler;
render(): JSX.Element;
}
export default BackTop;