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import * as _ from 'lodash';
import * as React from 'react';
import { Link as ReactRounterLink } from 'react-router-dom';
import { Link as ScrollLink } from 'react-scroll';
import { LinkType } from '../types';
import { constants } from '../utils/constants';
export interface LinkProps {
to: string;
type?: LinkType;
shouldOpenInNewTab?: boolean;
style?: React.CSSProperties;
className?: string;
onMouseOver?: (event: React.MouseEvent<HTMLElement>) => void;
onMouseLeave?: (event: React.MouseEvent<HTMLElement>) => void;
onMouseEnter?: (event: React.MouseEvent<HTMLElement>) => void;
containerId?: string;
}
/**
* A generic link component which let's the developer render internal & external links, and their associated
* behaviors with a single link component. Many times we want a menu including both internal & external links
* and this abstracts away the differences of rendering both types of links.
*/
export const Link: React.StatelessComponent<LinkProps> = ({
style,
className,
type,
to,
shouldOpenInNewTab,
children,
onMouseOver,
onMouseLeave,
onMouseEnter,
containerId,
}) => {
const styleWithDefault = {
textDecoration: 'none',
...style,
};
switch (type) {
case LinkType.External:
return (
<a
target={shouldOpenInNewTab ? '_blank' : ''}
className={className}
style={styleWithDefault}
href={to}
onMouseOver={onMouseOver}
onMouseEnter={onMouseEnter}
onMouseLeave={onMouseLeave}
>
{children}
</a>
);
case LinkType.ReactRoute:
return (
<ReactRounterLink
to={to}
className={className}
style={styleWithDefault}
target={shouldOpenInNewTab ? '_blank' : ''}
onMouseOver={onMouseOver}
onMouseEnter={onMouseEnter}
onMouseLeave={onMouseLeave}
>
{children}
</ReactRounterLink>
);
case LinkType.ReactScroll:
return (
<ScrollLink
to={to}
offset={0}
hashSpy={true}
duration={constants.DOCS_SCROLL_DURATION_MS}
containerId={containerId}
>
{children}
</ScrollLink>
);
default:
throw new Error(`Unrecognized LinkType: ${type}`);
}
};
Link.defaultProps = {
type: LinkType.ReactRoute,
shouldOpenInNewTab: false,
style: {},
className: '',
onMouseOver: _.noop.bind(_),
onMouseLeave: _.noop.bind(_),
onMouseEnter: _.noop.bind(_),
containerId: constants.DOCS_CONTAINER_ID,
};
Link.displayName = 'Link';
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