From 691d7bc7cd28eba3edb6352b68fdea8eb62bdc9f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B8rn=20Erik=20Pedersen?=
 <bjorn.erik.pedersen@gmail.com>
Date: Wed, 17 Jan 2024 09:53:10 +0100
Subject: [PATCH] Fix panic with empty taxonomy param

---
 hugolib/content_map_page.go     |  3 +++
 hugolib/pagecollections_test.go | 24 ++++++++++++++++++++++++
 hugolib/taxonomy_test.go        | 19 +++++++++++++++++++
 3 files changed, 46 insertions(+)

diff --git a/hugolib/content_map_page.go b/hugolib/content_map_page.go
index 4f98589519c..d0caf95a496 100644
--- a/hugolib/content_map_page.go
+++ b/hugolib/content_map_page.go
@@ -1315,6 +1315,9 @@ func (sa *sitePagesAssembler) assembleTermsAndTranslations() error {
 				}
 
 				for i, v := range vals {
+					if v == "" {
+						continue
+					}
 					viewTermKey := "/" + viewName.plural + "/" + v
 					pi := sa.Site.Conf.PathParser().Parse(files.ComponentFolderContent, viewTermKey+"/_index.md")
 					term := pages.Get(pi.Base())
diff --git a/hugolib/pagecollections_test.go b/hugolib/pagecollections_test.go
index 314eb48c8fc..6dff75cea36 100644
--- a/hugolib/pagecollections_test.go
+++ b/hugolib/pagecollections_test.go
@@ -410,6 +410,30 @@ title: p2
 	b.AssertFileContent("public/s1/p2/index.html", "OK: p2")
 }
 
+func TestGetPageBundleToRegular2(t *testing.T) {
+	files := `
+-- hugo.toml --
+-- content/s1/p1/index.md --
+---
+title: p1
+---
+-- content/s1/p2.md --
+---
+title: p2
+---
+-- content/p2.md --
+---
+title: p2_root
+---
+-- layouts/_default/single.html --
+../p2: {{ with .GetPage "../p2" }}{{ .Title }}{{ end }}|
+`
+
+	b := Test(t, files)
+	b.AssertFileContent("public/s1/p1/index.html", "../p2: p2_root|")
+	b.AssertFileContent("public/s1/p1/index.html", "../p2: p2_root|")
+}
+
 // https://github.com/gohugoio/hugo/issues/7016
 func TestGetPageMultilingual(t *testing.T) {
 	b := newTestSitesBuilder(t)
diff --git a/hugolib/taxonomy_test.go b/hugolib/taxonomy_test.go
index 61ab5b8d972..3132cc48520 100644
--- a/hugolib/taxonomy_test.go
+++ b/hugolib/taxonomy_test.go
@@ -739,3 +739,22 @@ tags_weight: 40
 
 	b.AssertFileContent("public/index.html", `:/p1/|/p3/|/p2/|:`)
 }
+
+func TestTaxonomiesEmptyTagsString(t *testing.T) {
+	t.Parallel()
+
+	files := `
+-- hugo.toml --
+[taxonomies]
+tag = 'tags'
+-- content/p1.md --
++++
+title = "P1"
+tags = ''
++++
+-- layouts/_default/single.html --
+Single.
+
+`
+	Test(t, files)
+}