Meta: Use named capture groups in PR regex (#34)

Co-authored-by: Federico Brigante <[email protected]>

index.js

@@ -4,7 +4,7 @@ const patchDiffRegex = /[.](patch|diff)$/;
 const releaseRegex = /^releases[/]tag[/]([^/]+)/;
 const labelRegex = /^labels[/]([^/]+)/;
 const compareRegex = /^compare[/]([^/]+)/;
-const pullRegex = /^pull[/](\d+)(?:[/]([^/]+))?(?:[/]([\da-f]{40})[.][.]([\da-f]{40}))?$/;
+const pullRegex = /^pull[/](?<pull>\d+)(?:[/](?<pullPage>[^/]+))?(?:[/](?<pullPartialStart>[\da-f]{40})[.][.](?<pullPartialEnd>[\da-f]{40}))?$/;
 const issueRegex = /^issues[/](\d+)$/;
 const commitRegex = /^commit[/]([\da-f]{40})$/;
 const releaseArchiveRegex = /^archive[/](.+)([.]zip|[.]tar[.]gz)/;
@@ -110,7 +110,7 @@ function shortenURL(href, currentUrl = 'https://github.com') {
  const [, downloadTag, downloadFilename] = repoPath.match(releaseDownloadRegex) || [];
  const [, label] = repoPath.match(labelRegex) || [];
  const [, compare] = repoPath.match(compareRegex) || [];
- const [, pull, pullPage, pullPartialStart, pullPartialEnd] = repoPath.match(pullRegex) || [];
+ const {pull, pullPage, pullPartialStart, pullPartialEnd} = repoPath.match(pullRegex)?.groups ?? {};
  const [, issue] = isRedirection ? repoPath.match(issueRegex) || [] : [];
  const [, commit] = isRedirection ? repoPath.match(commitRegex) || [] : [];
  const [, wiki] = repoPath.match(wikiRegex) || [];