1
/*
2
 *  This file is part of CoCalc: Copyright © 2021 Sagemath, Inc.
3
 *  License: MS-RSL – see LICENSE.md for details
4
 */
5

6
import Link from "next/link";
7
import { join } from "path";
8

9
import basePath from "lib/base-path";
10

11
export default function A(props: any) {
12
  const { href } = props;
13
  if (href == null) {
14
    return <a {...copyWithout(props, new Set(["external"]))} />;
15
  }
16
  if (href.includes("://") || href.startsWith("mailto:")) {
17
    return (
18
      <a
19
        {...copyWithout(props, new Set(["external"]))}
20
        target={"_blank"}
21
        rel={"noopener"}
22
      />
23
    );
24
  }
25
  if (
26
    props.external ||
27
    href.startsWith("/projects") ||
28
    href.startsWith("/settings")
29
  ) {
30
    const props2 = copyWithout(props, new Set(["external"]));
31
    if (!href.startsWith(basePath)) {
32
      // @ts-ignore
33
      props2.href = join(basePath, href);
34
    }
35
    return <a {...props2} target={"_blank"} rel={"noopener"} />;
36
  }
37
  return (
38
    <Link href={href} {...copyWithout(props, new Set(["external", "href"]))} />
39
  );
40
}
41

42
function copyWithout(props, without: Set<string>) {
43
  const props2 = {};
44
  for (const key in props) {
45
    if (!without.has(key)) {
46
      props2[key] = props[key];
47
    }
48
  }
49
  return props2;
50
}
51

52