feat(y-partyserver): add CJS build output

Closes #346

Author: threepointone

.changeset/y-partyserver-cjs-build.md

@@ -0,0 +1,5 @@
+---
+"y-partyserver": patch
+---
+
+Add CJS build output alongside ESM. The package now ships both `.js` (ESM) and `.cjs` (CJS) files with corresponding `.d.ts` and `.d.cts` type declarations.

packages/y-partyserver/package.json

@@ -21,19 +21,31 @@
   "type": "module",
   "exports": {
     ".": {
-      "types": "./dist/server/index.d.ts",
-      "require": "./dist/server/index.js",
-      "import": "./dist/server/index.js"
+      "types": {
+        "import": "./dist/server/index.d.ts",
+        "require": "./dist/server/index.d.cts",
+        "default": "./dist/server/index.d.ts"
+      },
+      "import": "./dist/server/index.js",
+      "require": "./dist/server/index.cjs"
     },
     "./provider": {
-      "types": "./dist/provider/index.d.ts",
-      "require": "./dist/provider/index.js",
-      "import": "./dist/provider/index.js"
+      "types": {
+        "import": "./dist/provider/index.d.ts",
+        "require": "./dist/provider/index.d.cts",
+        "default": "./dist/provider/index.d.ts"
+      },
+      "import": "./dist/provider/index.js",
+      "require": "./dist/provider/index.cjs"
     },
     "./react": {
-      "types": "./dist/provider/react.d.ts",
-      "require": "./dist/provider/react.js",
-      "import": "./dist/provider/react.js"
+      "types": {
+        "import": "./dist/provider/react.d.ts",
+        "require": "./dist/provider/react.d.cts",
+        "default": "./dist/provider/react.d.ts"
+      },
+      "import": "./dist/provider/react.js",
+      "require": "./dist/provider/react.cjs"
     }
   },
   "scripts": {

packages/y-partyserver/scripts/build.ts

@@ -10,13 +10,16 @@ await build({
   external: ["cloudflare:workers"],
   sourcemap: true,
   clean: true,
-  format: "esm",
+  format: ["esm", "cjs"],
   dts: true,
   skipNodeModulesBundle: true,
   fixedExtension: false
 });
 
-// then run oxfmt on the generated .d.ts files
+// then run oxfmt on the generated files
+execSync("oxfmt ./dist/**/*.d.cts");
 execSync("oxfmt ./dist/**/*.d.ts");
+execSync("oxfmt ./dist/**/*.cjs");
+execSync("oxfmt ./dist/**/*.js");
 
 process.exit(0);