1 files changed, 21 insertions, 0 deletions
diff --git a/app/assets/javascripts/helpers/help_page_helper.js b/app/assets/javascripts/helpers/help_page_helper.js
new file mode 100644
index 00000000000..0e824548646
--- /dev/null
+++ b/app/assets/javascripts/helpers/help_page_helper.js
@@ -0,0 +1,21 @@
+import { joinPaths, setUrlFragment } from '~/lib/utils/url_utility';
+
+const HELP_PAGE_URL_ROOT = '/help/';
+
+/**
+ * Generate link to a GitLab documentation page.
+ *
+ * This is designed to mirror the Ruby `help_page_path` helper function, so that
+ * the two can be used interchangeably.
+ * @param {String} path           - Path to doc file relative to the doc/ directory in the GitLab repository.
+ *                                  Optionally, including `.md` or `.html` prefix
+ * @param {String} options.anchor - Name of the anchor to scroll to on the documentation page.
+ */
+export const helpPagePath = (path, { anchor = '' } = {}) => {
+  let helpPath = joinPaths(gon.relative_url_root || '/', HELP_PAGE_URL_ROOT, path);
+  if (anchor) {
+    helpPath = setUrlFragment(helpPath, anchor);
+  }
+
+  return helpPath;
+};