chore: change bundler to tsdown (#7)

.changeset/soft-ads-leave.md

@@ -0,0 +1,5 @@
+---
+"graplix": patch
+---
+
+Change bundler to tsdown

package.json

@@ -9,20 +9,20 @@
   "exports": {
     ".": {
       "types": "./dist/index.d.ts",
-      "require": "./dist/index.js",
-      "import": "./dist/index.mjs"
+      "require": "./dist/index.cjs",
+      "import": "./dist/index.js",
+      "default": "./dist/index.js"
     }
   },
-  "main": "./dist/index.mjs",
-  "types": "./dist/index.d.ts",
+  "main": "./dist/index.js",
+  "types": "./dist/index.d.mts",
   "files": [
     "dist",
     "src",
     "README.md"
   ],
   "scripts": {
-    "build": "nanobundle build",
-    "clean": "nanobundle clean",
+    "build": "tsdown",
     "format": "biome check --fix",
     "release": "changeset publish",
     "test": "vitest run ./src",
@@ -41,7 +41,7 @@
     "dataloader": "^2.2.2",
     "graphology": "^0.25.4",
     "graphology-types": "^0.24.7",
-    "nanobundle": "^2.1.0",
+    "tsdown": "^0.4.1",
     "typescript": "^5.5.4",
     "vitest": "^2.0.4"
   },

src/utils/assignGraph.ts

@@ -14,7 +14,7 @@ export function assignGraph<
 >(
   a: DirectedGraph<NodeAttributes, EdgeAttributes>,
   b: DirectedGraph<NodeAttributes, EdgeAttributes>,
-) {
+): void {
   b.forEachNode((node, attrs) => {
     try {
       a.addNode(node, attrs);

src/utils/isEqual.ts

@@ -1,4 +1,4 @@
-export function isEqual<T>(identify: (t: T) => string, a: T, b: T) {
+export function isEqual<T>(identify: (t: T) => string, a: T, b: T): boolean {
   const aid = identify(a);
   const bid = identify(b);
 

tsdown.config.ts

@@ -0,0 +1,12 @@
+import { defineConfig } from "tsdown";
+
+export default defineConfig({
+  entry: "./src/index.ts",
+  outDir: "./dist",
+  dts: {
+    transformer: "typescript",
+    autoAddExts: true,
+  },
+  format: ["esm", "cjs"],
+  clean: true,
+});