Add config options page.nextPrevSortOrder/nextPrevInSectionSortOrder

See #12776

config/allconfig/allconfig.go

@@ -182,6 +182,9 @@ type Config struct {
 	// Pagination configuration.
 	Pagination config.Pagination `mapstructure:"-"`
 
+	// Page configuration.
+	Page config.PageConfig `mapstructure:"-"`
+
 	// Privacy configuration.
 	Privacy privacy.Config `mapstructure:"-"`
 

config/allconfig/alldecoders.go

@@ -327,6 +327,25 @@ var allDecoderSetups = map[string]decodeWeight{
 			return err
 		},
 	},
+	"page": {
+		key: "page",
+		decode: func(d decodeWeight, p decodeConfig) error {
+			p.c.Page = config.PageConfig{
+				NextPrevSortOrder:          "desc",
+				NextPrevInSectionSortOrder: "desc",
+			}
+			if p.p.IsSet(d.key) {
+				if err := mapstructure.WeakDecode(p.p.Get(d.key), &p.c.Page); err != nil {
+					return err
+				}
+			}
+
+			return nil
+		},
+		getCompiler: func(c *Config) configCompiler {
+			return &c.Page
+		},
+	},
 	"pagination": {
 		key: "pagination",
 		decode: func(d decodeWeight, p decodeConfig) error {

config/commonConfig.go

@@ -422,3 +422,18 @@ type Pagination struct {
 	// Whether to disable generation of alias for the first pagination page.
 	DisableAliases bool
 }
+
+// PageConfig configures the behavior of pages.
+type PageConfig struct {
+	// Sort order for Page.Next and Page.Prev. Default "desc" (the default page sort order in Hugo).
+	NextPrevSortOrder string
+
+	// Sort order for Page.NextInSection and Page.PrevInSection. Default "desc".
+	NextPrevInSectionSortOrder string
+}
+
+func (c *PageConfig) CompileConfig(loggers.Logger) error {
+	c.NextPrevInSectionSortOrder = strings.ToLower(c.NextPrevInSectionSortOrder)
+	c.NextPrevSortOrder = strings.ToLower(c.NextPrevSortOrder)
+	return nil
+}