1 files changed, 34 insertions, 0 deletions
diff --git a/app/assets/javascripts/vue_shared/components/source_viewer/plugins/utils/go_sum_linker.js b/app/assets/javascripts/vue_shared/components/source_viewer/plugins/utils/go_sum_linker.js
new file mode 100644
index 00000000000..b290dfa78b9
--- /dev/null
+++ b/app/assets/javascripts/vue_shared/components/source_viewer/plugins/utils/go_sum_linker.js
@@ -0,0 +1,34 @@
+import { createLink } from './dependency_linker_util';
+
+const openTag = '<span class="">';
+const closeTag = '</span>';
+const TAG_URL = 'https://sum.golang.org/lookup/';
+const GO_PACKAGE_URL = 'https://pkg.go.dev/';
+
+const DEPENDENCY_REGEX = new RegExp(
+  /*
+   * Detects dependencies inside of content that is highlighted by Highlight.js
+   * Example: '<span class="">cloud.google.com/Go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=</span>'
+   * Group 1 (packagePath):  'cloud.google.com/Go/bigquery'
+   * Group 2 (version): 'v1.0.1/go.mod'
+   * Group 3 (base64url): 'i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o='
+   */
+  `${openTag}(.*) (v.*) h1:(.*)${closeTag}`,
+  'gm',
+);
+
+const handleReplace = (packagePath, version, tag) => {
+  const lowercasePath = packagePath.toLowerCase();
+  const packageHref = `${GO_PACKAGE_URL}${lowercasePath}`;
+  const packageLink = createLink(packageHref, packagePath);
+  const tagHref = `${TAG_URL}${lowercasePath}@${version.split('/go.mod')[0]}`;
+  const tagLink = createLink(tagHref, tag);
+
+  return `${openTag}${packageLink} ${version} h1:${tagLink}${closeTag}`;
+};
+
+export default (result) => {
+  return result.value.replace(DEPENDENCY_REGEX, (_, packagePath, version, tag) =>
+    handleReplace(packagePath, version, tag),
+  );
+};