Fix panic with markdownify/RenderString with shortcode on Page with no content file

Fixes #9959

hugolib/content_map_page.go

@@ -163,8 +163,6 @@ func (m *pageMap) newPageFromContentNode(n *contentNode, parentBucket *pagesMapB
 		},
 	}
 
-	ps.shortcodeState = newShortcodeHandler(ps, ps.s)
-
 	if err := ps.mapContent(parentBucket, metaProvider); err != nil {
 		return nil, ps.wrapError(err)
 	}

hugolib/page__common.go

@@ -102,6 +102,9 @@ type pageCommon struct {
 	// The parsed page content.
 	pageContent
 
+	// Keeps track of the shortcodes on a page.
+	shortcodeState *shortcodeHandler
+
 	// Set if feature enabled and this is in a Git repo.
 	gitInfo    *gitmap.GitInfo
 	codeowners []string

hugolib/page__content.go

@@ -33,8 +33,6 @@ type pageContent struct {
 
 	cmap *pageContentMap
 
-	shortcodeState *shortcodeHandler
-
 	source rawPageContent
 }
 

hugolib/page__new.go

@@ -66,6 +66,8 @@ func newPageBase(metaProvider *pageMeta) (*pageState, error) {
 		},
 	}
 
+	ps.shortcodeState = newShortcodeHandler(ps, ps.s)
+
 	siteAdapter := pageSiteAdapter{s: s, p: ps}
 
 	ps.pageMenus = &pageMenus{p: ps}

hugolib/page__per_output.go

@@ -25,7 +25,6 @@ import (
 
 	"errors"
 
-	"github.com/gohugoio/hugo/common/herrors"
 	"github.com/gohugoio/hugo/common/text"
 	"github.com/gohugoio/hugo/common/types/hstring"
 	"github.com/gohugoio/hugo/identity"
@@ -334,7 +333,6 @@ func (p *pageContentOutput) WordCount() int {
 }
 
 func (p *pageContentOutput) RenderString(args ...any) (template.HTML, error) {
-	defer herrors.Recover()
 	if len(args) < 1 || len(args) > 2 {
 		return "", errors.New("want 1 or 2 arguments")
 	}

hugolib/renderstring_test.go

@@ -158,5 +158,35 @@ Page Type: *hugolib.pageForShortcode`,
 		)
 
 	})
+}
+
+// Issue 9959
+func TestRenderStringWithShortcodeInPageWithNoContentFile(t *testing.T) {
+	t.Parallel()
+
+	files := `
+-- config.toml --
+-- layouts/shortcodes/myshort.html --
+Page Kind: {{ .Page.Kind }}
+-- layouts/index.html --
+Short: {{ .RenderString "{{< myshort >}}" }}
+Has myshort: {{ .HasShortcode "myshort" }}
+Has other: {{ .HasShortcode "other" }}
+
+	`
+
+	b := NewIntegrationTestBuilder(
+		IntegrationTestConfig{
+			T:           t,
+			TxtarString: files,
+		},
+	).Build()
+
+	b.AssertFileContent("public/index.html",
+		`
+Page Kind: home
+Has myshort: true
+Has other: false
+`)
 
 }