diff --git a/docs/.vuepress/config.js b/docs/.vuepress/config.js
index 827c797..6d40c30 100644
--- a/docs/.vuepress/config.js
+++ b/docs/.vuepress/config.js
@@ -16,106 +16,8 @@ module.exports = {
     ga: "UA-100728112-1",
     themeConfig: {
 
-        nav: [
-            {
-                text: "Try Online",
-                link: "/online",
-            },
-            {
-                text: "Documentation",
-                items: [
-                    {
-                        text: "Guides",
-                        link: "/guides/getting-started",
-                    },
-                    {
-                        text: "Grammar",
-                        link: "/grammar/",
-                    },
-                    {
-                        text: "API",
-                        link: "/guides/javascript-api",
-                    },
-                    {
-                        text: "Compatibility",
-                        link: "/guides/compatibility",
-                    },
-                ],
-            },
-            {
-                text: "Development",
-                items: [
-                    {
-                        text: "Contribute",
-                        link: "/development",
-                    },
-                    {
-                        text: "Changelogs",
-                        link: "/changelogs/",
-                    },
-                    {
-                        text: "Source code",
-                        link: "https://github.com/pegjs/pegjs",
-                    },
-                    {
-                        text: "Issue tracker",
-                        link: "https://github.com/pegjs/pegjs/issues",
-                    },
-                ],
-            },
-            {
-                text: "Community",
-                items: [
-                    {
-                        text: "Forums",
-                        link: "https://gitq.com/pegjs/pegjs",
-                    },
-                    {
-                        text: "Wiki",
-                        link: "https://github.com/pegjs/pegjs/wiki",
-                    },
-                    {
-                        text: "Stack Overflow",
-                        link: "https://stackoverflow.com/questions/tagged/pegjs",
-                    },
-                    {
-                        text: "Twitter",
-                        link: "https://twitter.com/pegjs",
-                    },
-                    {
-                        text: "Plugins",
-                        link: "https://www.npmjs.com/search?q=pegjs%20plugin",
-                    }
-                ],
-            },
-        ],
-        sidebar: {
-
-            "/grammar/": [
-                "",
-                "parsing-expression-types",
-                "balanced-braces",
-                "action-execution-environment",
-                "backtracking",
-                "case-insensitivity",
-                "error-messages",
-                [ "tracer", "Tracer" ],
-            ],
-
-            "/guides/": [
-                "getting-started",
-                "installation",
-                "command-line",
-                "generating-a-parser",
-                "javascript-api",
-                "plugins",
-                "using-the-parser",
-                "compatibility",
-            ],
-
-            "/": false,
-
-        },
+        nav: require( "./config/nav.js" ),
+        sidebar: require( "./config/sidebar.js" ),
         sidebarDepth: 0,
         displayAllHeaders: false,
         activeHeaderLinks: true,
@@ -135,4 +37,9 @@ module.exports = {
 
     },
 
+    extraWatchFiles: [
+        require.resolve( "./config/nav.js" ),
+        require.resolve( "./config/sidebar.js" ),
+    ]
+
 };
diff --git a/docs/.vuepress/config/nav.js b/docs/.vuepress/config/nav.js
new file mode 100644
index 0000000..d466aec
--- /dev/null
+++ b/docs/.vuepress/config/nav.js
@@ -0,0 +1,80 @@
+"use strict";
+
+module.exports = [
+
+    {
+        text: "Try Online",
+        link: "/online",
+    },
+
+    {
+        text: "Documentation",
+        items: [
+            {
+                text: "Guides",
+                link: "/guides/getting-started",
+            },
+            {
+                text: "Grammar",
+                link: "/grammar/",
+            },
+            {
+                text: "API",
+                link: "/guides/javascript-api",
+            },
+            {
+                text: "Compatibility",
+                link: "/guides/compatibility",
+            },
+        ],
+    },
+
+    {
+        text: "Development",
+        items: [
+            {
+                text: "Contribute",
+                link: "/development",
+            },
+            {
+                text: "Changelogs",
+                link: "/changelogs/",
+            },
+            {
+                text: "Source code",
+                link: "https://github.com/pegjs/pegjs",
+            },
+            {
+                text: "Issue tracker",
+                link: "https://github.com/pegjs/pegjs/issues",
+            },
+        ],
+    },
+
+    {
+        text: "Community",
+        items: [
+            {
+                text: "Forums",
+                link: "https://gitq.com/pegjs/pegjs",
+            },
+            {
+                text: "Wiki",
+                link: "https://github.com/pegjs/pegjs/wiki",
+            },
+            {
+                text: "Stack Overflow",
+                link: "https://stackoverflow.com/questions/tagged/pegjs",
+            },
+            {
+                text: "Twitter",
+                link: "https://twitter.com/pegjs",
+            },
+            {
+                text: "Plugins",
+                link: "https://www.npmjs.com/search?q=pegjs%20plugin",
+            }
+        ],
+    },
+
+];
diff --git a/docs/.vuepress/config/sidebar.js b/docs/.vuepress/config/sidebar.js
new file mode 100644
index 0000000..84edc1a
--- /dev/null
+++ b/docs/.vuepress/config/sidebar.js
@@ -0,0 +1,29 @@
+"use strict";
+
+module.exports = {
+
+    "/grammar/": [
+        "",
+        "parsing-expression-types",
+        "balanced-braces",
+        "action-execution-environment",
+        "backtracking",
+        "case-insensitivity",
+        "error-messages",
+        [ "tracer", "Tracer" ],
+    ],
+
+    "/guides/": [
+        "getting-started",
+        "installation",
+        "command-line",
+        "generating-a-parser",
+        "javascript-api",
+        "plugins",
+        "using-the-parser",
+        "compatibility",
+    ],
+
+    "/": false,
+
+};