src/components/Link.js


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/** @jsx jsx */
import { Link as GatsbyLink } from "gatsby";
import isAbsoluteURL from "is-absolute-url";
import { jsx } from "theme-ui";

const linkStyles = { variant: "styles.a" };

function Link({ to = "", href = to, children, ...props }) {
  const isAbsoluteLink = isAbsoluteURL(href);

  return isAbsoluteLink ||
    href.startsWith("http://") ||
    href.startsWith("https://") ? (
    <a {...props} href={href} sx={linkStyles}>
      {children}
    </a>
  ) : (
    <GatsbyLink {...props} to={href} activeClassName="active" sx={linkStyles}>
      {children}
    </GatsbyLink>
  );
}

export default Link;