chore: migrate to tsdown

.gitignore

@@ -29,11 +29,10 @@ node_modules/
 .eslintcache
 .parcel-cache
 .tmp
-tsup.config.bundled_*.mjs
 build.utils.d.ts
 worker-configuration.d.ts
 /.env
 /NOTES.md
 
 # v7 reference docs
-/public
+/public

contributors.yml

@@ -376,6 +376,7 @@
 - stmtk1
 - sukvvon
 - swalker326
+- sxzz
 - szhsin
 - tanayv
 - thecode00

packages/create-react-router/package.json

@@ -24,9 +24,10 @@
   },
   "wireit": {
     "build": {
-      "command": "tsup",
+      "command": "tsdown",
       "files": [
         "*.ts",
+        "*.mts",
         "tsconfig.json",
         "package.json"
       ],
@@ -58,7 +59,7 @@
     "esbuild-register": "^3.6.0",
     "msw": "^2.7.5",
     "tiny-invariant": "^1.2.0",
-    "tsup": "^8.3.0",
+    "tsdown": "^0.15.6",
     "typescript": "^5.1.6",
     "wireit": "0.14.9"
   },

packages/create-react-router/tsup.config.ts → packages/create-react-router/tsdown.config.mts

@@ -1,9 +1,6 @@
-import { defineConfig } from "tsup";
-
-// @ts-ignore - out of scope
-import { createBanner } from "../../build.utils.js";
-
-import pkg from "./package.json";
+import { defineConfig } from "tsdown";
+import { createBanner } from "../../build.utils.mts";
+import pkg from "./package.json" with { type: "json" };
 
 const entry = ["cli.ts"];
 

packages/react-router-architect/package.json

@@ -37,10 +37,11 @@
   },
   "wireit": {
     "build": {
-      "command": "tsup",
+      "command": "tsdown",
       "files": [
         "sessions/**",
         "*.ts",
+        "*.mts",
         "tsconfig.json",
         "package.json"
       ],
@@ -61,7 +62,7 @@
     "react": "^19.1.0",
     "react-dom": "^19.1.0",
     "react-router": "workspace:*",
-    "tsup": "^8.3.0",
+    "tsdown": "^0.15.6",
     "typescript": "^5.1.6",
     "wireit": "0.14.9"
   },

packages/react-router-architect/tsdown.config.mts

@@ -0,0 +1,15 @@
+import { defineConfig } from "tsdown";
+import { createBanner } from "../../build.utils.mts";
+import pkg from "./package.json" with { type: "json" };
+
+const entry = ["index.ts"];
+
+export default defineConfig([
+  {
+    entry,
+    format: ["cjs", "esm"],
+    banner: {
+      js: createBanner(pkg.name, pkg.version),
+    },
+  },
+]);

packages/react-router-cloudflare/package.json

@@ -32,10 +32,11 @@
   },
   "wireit": {
     "build": {
-      "command": "tsup",
+      "command": "tsdown",
       "files": [
         "sessions/**",
         "*.ts",
+        "*.mts",
         "tsconfig.json",
         "package.json"
       ],
@@ -47,7 +48,7 @@
   "devDependencies": {
     "@cloudflare/workers-types": "^4.20250803.0",
     "react-router": "workspace:*",
-    "tsup": "^8.3.0",
+    "tsdown": "^0.15.6",
     "typescript": "^5.1.6",
     "wireit": "0.14.9"
   },

packages/react-router-cloudflare/tsdown.config.mts

@@ -0,0 +1,15 @@
+import { defineConfig } from "tsdown";
+import { createBanner } from "../../build.utils.mts";
+import pkg from "./package.json" with { type: "json" };
+
+const entry = ["index.ts"];
+
+export default defineConfig([
+  {
+    entry,
+    format: ["cjs", "esm"],
+    banner: {
+      js: createBanner(pkg.name, pkg.version),
+    },
+  },
+]);

packages/react-router-dev/package.json

@@ -46,14 +46,15 @@
   },
   "wireit": {
     "build": {
-      "command": "tsup",
+      "command": "tsdown",
       "files": [
         "cli/**",
         "config/**",
         "module-sync-enabled/**",
         "typegen/**",
         "vite/**",
         "*.ts",
+        "*.mts",
         "bin.js",
         "tsconfig.json",
         "package.json"
@@ -110,7 +111,7 @@
     "express": "^4.19.2",
     "fast-glob": "3.2.11",
     "react-router": "workspace:^",
-    "tsup": "^8.3.0",
+    "tsdown": "^0.15.6",
     "typescript": "^5.1.6",
     "vite": "^6.1.0",
     "wireit": "0.14.9",

packages/react-router-dev/tsup.config.ts → packages/react-router-dev/tsdown.config.mts

@@ -1,11 +1,8 @@
 import * as fsp from "fs/promises";
 
-import { defineConfig } from "tsup";
-
-// @ts-ignore - out of scope
-import { createBanner } from "../../build.utils.js";
-
-import pkg from "./package.json";
+import { defineConfig } from "tsdown";
+import { createBanner } from "../../build.utils.mts";
+import pkg from "./package.json" with { type: "json" };
 
 const entry = [
   "cli/index.ts",
@@ -24,25 +21,17 @@ const external = [
 
 export default defineConfig([
   {
-    clean: true,
     entry,
     format: ["cjs"],
-    outDir: "dist",
-    dts: true,
     external,
     banner: {
       js: createBanner(pkg.name, pkg.version),
     },
+    dts: true,
     plugins: [
       {
         name: "copy",
         async buildEnd() {
-          await fsp.mkdir("dist/static", { recursive: true });
-          await fsp.copyFile(
-            "vite/static/refresh-utils.mjs",
-            "dist/static/refresh-utils.mjs",
-          );
-
           await fsp.mkdir("dist/static", { recursive: true });
           await fsp.copyFile(
             "vite/static/refresh-utils.mjs",

packages/react-router-dom/package.json

@@ -46,9 +46,10 @@
   },
   "wireit": {
     "build": {
-      "command": "tsup",
+      "command": "tsdown",
       "files": [
         "*.ts",
+        "*.mts",
         "tsconfig.json",
         "package.json"
       ],
@@ -63,7 +64,7 @@
   "devDependencies": {
     "react": "^19.1.0",
     "react-dom": "^19.1.0",
-    "tsup": "^8.3.0",
+    "tsdown": "^0.15.6",
     "typescript": "^5.1.6",
     "wireit": "0.14.9"
   },

packages/react-router-dom/tsdown.config.mts

@@ -0,0 +1,15 @@
+import { defineConfig } from "tsdown";
+import { createBanner } from "../../build.utils.mts";
+import pkg from "./package.json" with { type: "json" };
+
+const entry = ["index.ts"];
+
+export default defineConfig([
+  {
+    entry,
+    format: ["cjs", "esm"],
+    banner: {
+      js: createBanner(pkg.name, pkg.version),
+    },
+  },
+]);

packages/react-router-express/package.json

@@ -37,9 +37,10 @@
   },
   "wireit": {
     "build": {
-      "command": "tsup",
+      "command": "tsdown",
       "files": [
         "*.ts",
+        "*.mts",
         "tsconfig.json",
         "package.json"
       ],
@@ -58,7 +59,7 @@
     "express": "^4.19.2",
     "node-mocks-http": "^1.10.1",
     "supertest": "^6.3.3",
-    "tsup": "^8.3.0",
+    "tsdown": "^0.15.6",
     "typescript": "^5.1.6",
     "wireit": "0.14.9"
   },

packages/react-router-express/tsdown.config.mts

@@ -0,0 +1,15 @@
+import { defineConfig } from "tsdown";
+import { createBanner } from "../../build.utils.mts";
+import pkg from "./package.json" with { type: "json" };
+
+const entry = ["index.ts"];
+
+export default defineConfig([
+  {
+    entry,
+    format: ["cjs", "esm"],
+    banner: {
+      js: createBanner(pkg.name, pkg.version),
+    },
+  },
+]);

packages/react-router-fs-routes/package.json

@@ -26,9 +26,10 @@
   },
   "wireit": {
     "build": {
-      "command": "tsup",
+      "command": "tsdown",
       "files": [
         "*.ts",
+        "*.mts",
         "tsconfig.json",
         "package.json"
       ],
@@ -42,7 +43,7 @@
   },
   "devDependencies": {
     "@react-router/dev": "workspace:*",
-    "tsup": "^8.3.0",
+    "tsdown": "^0.15.6",
     "typescript": "^5.1.6",
     "wireit": "0.14.9"
   },

packages/react-router-fs-routes/tsdown.config.mts

@@ -0,0 +1,15 @@
+import { defineConfig } from "tsdown";
+import { createBanner } from "../../build.utils.mts";
+import pkg from "./package.json" with { type: "json" };
+
+const entry = ["index.ts"];
+
+export default defineConfig([
+  {
+    entry,
+    format: ["cjs"],
+    banner: {
+      js: createBanner(pkg.name, pkg.version),
+    },
+  },
+]);