pkg.go.dev: Move source repo link code to a function

Now that we're doing two things on pkg.go.dev, put each one in a
function for better organisation.

1 files changed, 11 insertions, 7 deletions

diff --git a/godoc-links.user.js b/godoc-links.user.js
index ab5ac3d..6f56fe9 100644
--- a/godoc-links.user.js
+++ b/godoc-links.user.js
@@ -41,19 +41,23 @@ function godoc () {
 }
 
 
-// Link the package name in the header to the source repo.
 function pkg_go_dev () {
 	var import_path_el = document.querySelector('.DetailsHeader-breadcrumbCurrent');
+	var parent_el = import_path_el.parentNode;
+
+	pkg_go_dev_add_repo_link(parent_el, import_path_el);
+	pkg_go_dev_add_godoc_link(parent_el, import_path_el.textContent);
+}
+
 
+// Link the package name in the header to the source repo.
+function pkg_go_dev_add_repo_link (container_el, import_path_el) {
 	var link_el = document.createElement('a');
-	link_el.textContent = import_path_el.textContent;
 	link_el.href = 'https://' + import_path_el.textContent;
+	link_el.textContent = import_path_el.textContent;
 
-	var parent_el = import_path_el.parentNode;
-	parent_el.removeChild(import_path_el);
-	parent_el.prepend(link_el);
-
-	pkg_go_dev_add_godoc_link(parent_el, import_path_el.textContent);
+	container_el.removeChild(import_path_el);
+	container_el.prepend(link_el);
 }