From d24bf4ab60abe052e64150259f5147b377c0ab37 Mon Sep 17 00:00:00 2001
From: Harold Martin <harold.martin@gmail.com>
Date: Fri, 15 May 2026 11:30:17 -0700
Subject: [PATCH] fix: publish dual esm cjs package

---
 .attw.json       |  3 +--
 README.md        |  2 +-
 package.json     | 13 ++++++++-----
 tsdown.config.ts |  7 +++++++
 4 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/.attw.json b/.attw.json
index 719eef8..25cd95e 100644
--- a/.attw.json
+++ b/.attw.json
@@ -1,4 +1,3 @@
 {
-  "profile": "node16",
-  "ignoreRules": ["cjs-resolves-to-esm"]
+  "profile": "node16"
 }
diff --git a/README.md b/README.md
index 567763f..94ed1e0 100644
--- a/README.md
+++ b/README.md
@@ -1074,7 +1074,7 @@ const { data: webhooks } = await getV2Webhooks({ client });
 - **[Hey API](https://heyapi.dev/)**: OpenAPI client and Zod schema generation
 - **Biome**: lint and format with a single tool
 - **Vitest**: fast tests with coverage and thresholds
-- **tsdown**: ESM builds for Node
+- **tsdown**: dual ESM/CJS builds for Node
 - **CI**: lint, typecheck, test, coverage, and size comments/badges
 - **Deno-friendly**: `.ts` source imports for direct consumption
 - **OIDC + Provenance**: publish to npm and JSR via manual CI release
diff --git a/package.json b/package.json
index c8d451c..20c7ae3 100644
--- a/package.json
+++ b/package.json
@@ -35,11 +35,12 @@
   "type": "module",
   "exports": {
     ".": {
-      "types": "./dist/index.d.mts",
-      "import": "./dist/index.mjs"
-    }
+      "import": "./dist/index.mjs",
+      "require": "./dist/index.cjs"
+    },
+    "./package.json": "./package.json"
   },
-  "types": "./dist/index.d.mts",
+  "types": "./dist/index.d.cts",
   "sideEffects": false,
   "files": [
     "dist"
@@ -113,5 +114,7 @@
       "**/*.yml"
     ],
     "absolute": false
-  }
+  },
+  "main": "./dist/index.cjs",
+  "module": "./dist/index.mjs"
 }
diff --git a/tsdown.config.ts b/tsdown.config.ts
index 8f3c60a..8d04168 100644
--- a/tsdown.config.ts
+++ b/tsdown.config.ts
@@ -2,7 +2,14 @@ import { defineConfig } from "tsdown";
 
 export default defineConfig({
   entry: { index: "./src/index.ts" },
+  format: ["esm", "cjs"],
   platform: "node",
   dts: true,
   sourcemap: true,
+  exports: true,
+  publint: true,
+  attw: {
+    profile: "node16",
+    level: "error",
+  },
 });