diff --git a/goodrouter-ts/.vscode/launch.json b/goodrouter-ts/.vscode/launch.json
index c9e3949..05f589e 100644
--- a/goodrouter-ts/.vscode/launch.json
+++ b/goodrouter-ts/.vscode/launch.json
@@ -7,10 +7,11 @@
       "name": "run file",
       "program": "${file}",
       "args": [],
-      "cwd": "${workspaceRoot}",
+      "cwd": "${workspaceFolder}",
       "sourceMaps": true,
-      "outFiles": ["${workspaceRoot}/out/**/*.js"],
-      "preLaunchTask": "watch"
+      "outFiles": ["${workspaceFolder}/out/**/*.js"],
+      "preLaunchTask": "watch",
+      "outputCapture": "std"
     }
   ]
 }
diff --git a/goodrouter-ts/.vscode/tasks.json b/goodrouter-ts/.vscode/tasks.json
index e6d46d1..b5c70c4 100644
--- a/goodrouter-ts/.vscode/tasks.json
+++ b/goodrouter-ts/.vscode/tasks.json
@@ -2,10 +2,10 @@
   "version": "2.0.0",
   "tasks": [
     {
-      "type": "typescript",
+      "type": "npm",
       "label": "watch",
-      "tsconfig": "tsconfig.json",
-      "option": "watch",
+      "script": "watch",
+      "isBackground": true,
       "problemMatcher": ["$tsc-watch"],
       "group": {
         "kind": "build",
diff --git a/goodrouter-ts/package.json b/goodrouter-ts/package.json
index d67931d..9d3c4f7 100644
--- a/goodrouter-ts/package.json
+++ b/goodrouter-ts/package.json
@@ -11,6 +11,7 @@
   ],
   "scripts": {
     "build": "tsc",
+    "watch": "tsc --watch",
     "clean": "rm -rf out",
     "test": "npm run spec-all",
     "lint": "prettier --check *",
diff --git a/goodrouter-ts/src/main.ts b/goodrouter-ts/src/main.ts
index d4ccb1f..9a268b3 100644
--- a/goodrouter-ts/src/main.ts
+++ b/goodrouter-ts/src/main.ts
@@ -1,2 +1,3 @@
+export * from "./route-node-json.js";
 export * from "./router-options.js";
 export * from "./router.js";
diff --git a/goodrouter-ts/src/route-node-json.ts b/goodrouter-ts/src/route-node-json.ts
new file mode 100644
index 0000000..86da3cc
--- /dev/null
+++ b/goodrouter-ts/src/route-node-json.ts
@@ -0,0 +1,6 @@
+export interface RouteNodeJson<K extends string | number> {
+    anchor: string;
+    hasParameter: boolean;
+    routeKey: K | null;
+    children: RouteNodeJson<K>[];
+}
diff --git a/goodrouter-ts/src/route-node.spec.ts b/goodrouter-ts/src/route-node.spec.ts
index 7117d12..9189dee 100644
--- a/goodrouter-ts/src/route-node.spec.ts
+++ b/goodrouter-ts/src/route-node.spec.ts
@@ -1,6 +1,7 @@
 import { permutations } from "itertools";
 import assert from "node:assert/strict";
 import test from "node:test";
+import { RouteNodeJson } from "./route-node-json.js";
 import { RouteNode } from "./route-node.js";
 import { defaultRouterOptions } from "./router-options.js";
 import { parseTemplatePairs } from "./template.js";
@@ -60,3 +61,47 @@ test("route-node-sort", () => {
 
     assert.deepEqual(nodesActual, nodesExpected);
 });
+
+test("route-node-json", () => {
+    const node = new RouteNode();
+    node.insert(1, [
+        ...parseTemplatePairs(
+            "x/y",
+            defaultRouterOptions.parameterPlaceholderRE,
+        ),
+    ]);
+    node.insert(2, [
+        ...parseTemplatePairs(
+            "x/z",
+            defaultRouterOptions.parameterPlaceholderRE,
+        ),
+    ]);
+    const actual = node.toJSON();
+    const expected: RouteNodeJson<number> = {
+        anchor: "",
+        hasParameter: false,
+        routeKey: null,
+        children: [
+            {
+                anchor: "x/",
+                hasParameter: false,
+                routeKey: null,
+                children: [
+                    {
+                        anchor: "y",
+                        hasParameter: false,
+                        routeKey: 1,
+                        children: [],
+                    },
+                    {
+                        anchor: "z",
+                        hasParameter: false,
+                        routeKey: 2,
+                        children: [],
+                    },
+                ],
+            },
+        ],
+    };
+    assert.deepEqual(actual, expected);
+});
diff --git a/goodrouter-ts/src/route-node.ts b/goodrouter-ts/src/route-node.ts
index eba75dc..86a5ffd 100644
--- a/goodrouter-ts/src/route-node.ts
+++ b/goodrouter-ts/src/route-node.ts
@@ -1,3 +1,4 @@
+import { RouteNodeJson } from "./route-node-json.js";
 import { findCommonPrefixLength } from "./utils/string.js";
 
 /**
@@ -22,14 +23,13 @@ export class RouteNode<K extends string | number> {
          * key that identifies the route, if this is a leaf node for the route
          */
         public routeKey: K | null = null,
+        /**
+         * @description
+         * children that represent the rest of the path that needs to be matched
+         */
+        private readonly children = new Array<RouteNode<K>>(),
     ) {}
 
-    /**
-     * @description
-     * children that represent the rest of the path that needs to be matched
-     */
-    private readonly children = new Array<RouteNode<K>>();
-
     private addChild(childNode: RouteNode<K>) {
         this.children.push(childNode);
     }
@@ -323,4 +323,26 @@ export class RouteNode<K extends string | number> {
 
         return 0;
     }
+
+    public toJSON(): RouteNodeJson<K> {
+        const json = {
+            anchor: this.anchor,
+            hasParameter: this.hasParameter,
+            routeKey: this.routeKey,
+            children: this.children.map((child) => child.toJSON()),
+        };
+        return json;
+    }
+
+    public static fromJSON<K extends string | number>(
+        json: RouteNodeJson<K>,
+    ): RouteNode<K> {
+        const node = new RouteNode(
+            json.anchor,
+            json.hasParameter,
+            json.routeKey,
+            json.children.map((child) => RouteNode.fromJSON(child)),
+        );
+        return node;
+    }
 }
diff --git a/goodrouter-ts/src/router.ts b/goodrouter-ts/src/router.ts
index f4484ba..b881836 100644
--- a/goodrouter-ts/src/router.ts
+++ b/goodrouter-ts/src/router.ts
@@ -1,3 +1,4 @@
+import { RouteNodeJson } from "./route-node-json.js";
 import { RouteNode } from "./route-node.js";
 import { defaultRouterOptions, RouterOptions } from "./router-options.js";
 import { parseTemplatePairs } from "./template.js";
@@ -154,4 +155,15 @@ export class Router<K extends string | number> {
         }
         return result;
     }
+
+    public saveToJSON(): RouteNodeJson<K> {
+        const json = this.rootNode.toJSON();
+        return json;
+    }
+
+    public loadFromJSON(json: RouteNodeJson<K>) {
+        const node = RouteNode.fromJSON(json);
+        this.rootNode = node;
+        return this;
+    }
 }
diff --git a/goodrouter-ts/tsconfig.json b/goodrouter-ts/tsconfig.json
index 91fc8b4..afbfd87 100644
--- a/goodrouter-ts/tsconfig.json
+++ b/goodrouter-ts/tsconfig.json
@@ -2,7 +2,9 @@
   "extends": "@tsconfig/node20",
   "compilerOptions": {
     "outDir": "./out",
-    "rootDir": "./src"
+    "rootDir": "./src",
+    "sourceMap": true,
+    "declaration": true
   },
   "include": ["src/**/*"]
 }