Add all config to docshelper.json

Also consolidate so the mediaTypes and outputFormats are listed once only.

Fixes #11328

2 files changed, 58 insertions, 4 deletions

diff --git a/config/allconfig/alldecoders.go b/config/allconfig/alldecoders.go
index 6b8a4568c..24f9b9677 100644
--- a/config/allconfig/alldecoders.go
+++ b/config/allconfig/alldecoders.go
@@ -49,10 +49,11 @@ type decodeConfig struct {
 }
 
 type decodeWeight struct {
-	key         string
-	decode      func(decodeWeight, decodeConfig) error
-	getCompiler func(c *Config) configCompiler
-	weight      int
+	key                  string
+	decode               func(decodeWeight, decodeConfig) error
+	getCompiler          func(c *Config) configCompiler
+	weight               int
+	internalOrDeprecated bool // Hide it from the docs.
 }
 
 var allDecoderSetups = map[string]decodeWeight{
@@ -340,6 +341,7 @@ var allDecoderSetups = map[string]decodeWeight{
 			p.c.Author = maps.CleanConfigStringMap(p.p.GetStringMap(d.key))
 			return nil
 		},
+		internalOrDeprecated: true,
 	},
 	"social": {
 		key: "social",
@@ -347,6 +349,7 @@ var allDecoderSetups = map[string]decodeWeight{
 			p.c.Social = maps.CleanConfigStringMapString(p.p.GetStringMapString(d.key))
 			return nil
 		},
+		internalOrDeprecated: true,
 	},
 	"uglyurls": {
 		key: "uglyurls",
@@ -362,12 +365,14 @@ var allDecoderSetups = map[string]decodeWeight{
 			}
 			return nil
 		},
+		internalOrDeprecated: true,
 	},
 	"internal": {
 		key: "internal",
 		decode: func(d decodeWeight, p decodeConfig) error {
 			return mapstructure.WeakDecode(p.p.GetStringMap(d.key), &p.c.Internal)
 		},
+		internalOrDeprecated: true,
 	},
 }
 
diff --git a/config/allconfig/docshelper.go b/config/allconfig/docshelper.go
new file mode 100644
index 000000000..48a09de51
--- /dev/null
+++ b/config/allconfig/docshelper.go
@@ -0,0 +1,49 @@
+// Copyright 2023 The Hugo Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package allconfig
+
+import (
+	"github.com/gohugoio/hugo/common/maps"
+	"github.com/gohugoio/hugo/config"
+	"github.com/gohugoio/hugo/docshelper"
+)
+
+// This is is just some helpers used to create some JSON used in the Hugo docs.
+func init() {
+	docsProvider := func() docshelper.DocProvider {
+
+		cfg := config.New()
+		for configRoot, v := range allDecoderSetups {
+			if v.internalOrDeprecated {
+				continue
+			}
+			cfg.Set(configRoot, make(maps.Params))
+		}
+		lang := maps.Params{
+			"en": maps.Params{
+				"menus":  maps.Params{},
+				"params": maps.Params{},
+			},
+		}
+		cfg.Set("languages", lang)
+		cfg.SetDefaultMergeStrategy()
+
+		configHelpers := map[string]any{
+			"mergeStrategy": cfg.Get(""),
+		}
+		return docshelper.DocProvider{"config_helpers": configHelpers}
+	}
+
+	docshelper.AddDocProviderFunc(docsProvider)
+}