All files anchor.tsx

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
19x
 
19x
19x
19x
 
19x
9x
2x
 
 
7x
3x
 
 
4x
 
 
 
 
 
 
19x
3x
 
3x
 
3x
 
 
 
 
 
 
import * as React from 'react';
 
const MATCHES_AMPERSAND = /&/gi;
const MATCHES_NON_WORD_CHARACTERS = /[\W_]+/gi;
const MATCHES_LEADING_AND_TRAILING_HYPHENS = /(^-+|-+$)/gi;
 
export const getHref = (children?: React.ReactNode, href?: string): string | undefined => {
  if (href) {
    return href;
  }
 
  if (typeof children !== 'string') {
    return undefined;
  }
 
  return children
    .replace(MATCHES_AMPERSAND, '-and-')
    .replace(MATCHES_NON_WORD_CHARACTERS, '-')
    .replace(MATCHES_LEADING_AND_TRAILING_HYPHENS, '')
    .toLowerCase();
}
 
export const Anchor: React.SFC<React.HTMLProps<HTMLAnchorElement>> = (props) => {
  const { children, href, ...remainingProps } = props;
 
  const automaticHref = getHref(children, href);
 
  return (
    <a {...remainingProps} id={automaticHref} href={automaticHref ? '#' + automaticHref : undefined}>
      {children}
    </a>
  );
};