mvrilo · youenchene · Jan 24, 2025 · Feb 10, 2025
diff --git a/README.md b/README.md
@@ -84,3 +84,36 @@ r.Use(fiberredoc.New(doc))
 ```
 
 See [examples](/_examples)
+
+
+## Configuration Options
+
+
+```go
+r := redoc.Redoc{
+    SpecFile: "testdata/spec.json", 
+	SpecFS:   &spec, 
+	SpecPath: "/openapi.json", // "/openapi.yaml" Title:    "Test API",
+	Description: "Meta Description"
+	Options: map[string]any{
+		"disableSearch": true, 
+		"theme": map[string]any{
+			"colors":     map[string]any{"primary": map[string]any{"main": "#297b21"}}, 
+			"typography": map[string]any{"headings": map[string]any{"fontWeight": "600"}}
+			"sidebar":    map[string]any{"backgroundColor": "#cae6c6"},
+		},
+	},
+}
+```
+
+`Title` : The head title of your html page - Shown on search engine.
+
+`Description` : The head meta description of your html page - Shown on search engine.
+
+`Options`: redoc option see [Redoc Configuration Documentation](https://github.com/Redocly/redoc/blob/main/docs/config.md)
+
+`SpecFile`: file path to your openapi/swagger file from your project.
+
+`SpecPath`: url path to call your openapi/swagger file from redoc documentation. Must be aligned with your web server configuration.
+
+`DocsPath` : url path to call your generated API documentation. Must be aligned with your web server configuration.
diff --git a/assets/index.html b/assets/index.html
@@ -15,6 +15,6 @@
 <body>
   <div id="main"></div>
   <script>{{ .body }}</script>
-  <script>Redoc.init("{{ .url }}", {}, document.getElementById("main"))</script>
+  <script>Redoc.init("{{ .url }}", {{ .options }}, document.getElementById("main"))</script>
 </body>
 </html>
diff --git a/go.mod b/go.mod
@@ -1,6 +1,6 @@
 module github.com/mvrilo/go-redoc
 
-go 1.17
+go 1.18
 
 require github.com/stretchr/testify v1.8.4
 

diff --git a/redoc.go b/redoc.go
@@ -3,7 +3,9 @@
 import (
 	"bytes"
 	"embed"
+	"encoding/json"
 	"errors"
+	"log"
 	"net/http"
 	"os"
 	"strings"
@@ -21,6 +23,7 @@
 	SpecFS      *embed.FS
 	Title       string
 	Description string
+	Options     map[string]any
 }
 
 // HTML represents the redoc index.html page
@@ -41,11 +44,21 @@
 		return nil, err
 	}
 
+	var optionsString = "{}"
+
+	var optionsByte, errM = json.Marshal(r.Options)
+	if errM == nil {
+		optionsString = string(optionsByte)
+	} else {
+		log.Printf("Invalid json options provided, using default options instead.")
+	}
+
 	if err = tpl.Execute(buf, map[string]string{
 		"body":        JavaScript,
 		"title":       r.Title,
 		"url":         r.SpecPath,
 		"description": r.Description,
+		"options":     optionsString,
 	}); err != nil {
 		return nil, err
 	}

diff --git a/redoc_test.go b/redoc_test.go
@@ -1,4 +1,4 @@
 package redoc_test

 import (
 	"embed"
@@ -60,3 +60,59 @@
 		})
 	})
 }
+
+func TestRedocWithOptions(t *testing.T) {
+	r := redoc.Redoc{
+		SpecFile: "testdata/spec.json",
+		SpecFS:   &spec,
+		SpecPath: "/openapi.json", // "/openapi.yaml"
+		Title:    "Test API",
+		Options: map[string]any{
+			"disableSearch": true,
+			"theme": map[string]any{
+				"colors":     map[string]any{"primary": map[string]any{"main": "#297b21"}},
+				"typography": map[string]any{"headings": map[string]any{"fontWeight": "600"}},
+				"sidebar":    map[string]any{"backgroundColor": "#cae6c6"},
+			},
+		},
+	}
+
+	t.Run("Body", func(t *testing.T) {
+		body, err := r.Body()
+		assert.NoError(t, err)
+		assert.Contains(t, string(body), r.Title)
+	})
+
+	t.Run("Handler", func(t *testing.T) {
+		handler := r.Handler()
+
+		t.Run("Spec", func(t *testing.T) {
+			req := httptest.NewRequest(http.MethodGet, "/openapi.json", nil)
+			w := httptest.NewRecorder()
+			handler(w, req)
+
+			resp := w.Result()
+			assert.Equal(t, http.StatusOK, resp.StatusCode)
+			assert.Equal(t, "application/json", resp.Header.Get("Content-Type"))
+
+			body, err := ioutil.ReadAll(resp.Body)
+			assert.NoError(t, err)
+			assert.Contains(t, string(body), `"swagger":"2.0"`)
+		})
+
+		t.Run("Docs", func(t *testing.T) {
+			req := httptest.NewRequest(http.MethodGet, "/", nil)
+			w := httptest.NewRecorder()
+			handler(w, req)
+
+			resp := w.Result()
+			assert.Equal(t, http.StatusOK, resp.StatusCode)
+			assert.Equal(t, "text/html", resp.Header.Get("Content-Type"))
+
+			body, err := ioutil.ReadAll(resp.Body)
+			assert.NoError(t, err)
+			assert.Contains(t, string(body), r.Title)
+			assert.Contains(t, string(body), `{"disableSearch`)
+		})
+	})
+}