feat(lakebase): support CJS consumers and validate exports via attw

packages/appkit-ui/tsdown.config.ts

@@ -3,6 +3,11 @@ import { defineConfig } from "tsdown";
 export default defineConfig([
   {
     publint: true,
+    attw: {
+      profile: "esm-only",
+      level: "error",
+      excludeEntrypoints: ["./styles.css"],
+    },
     name: "@databricks/appkit-ui",
     entry: [
       "src/js/index.ts",

packages/appkit/tsdown.config.ts

@@ -3,6 +3,11 @@ import { defineConfig } from "tsdown";
 export default defineConfig([
   {
     publint: true,
+    attw: {
+      profile: "esm-only",
+      level: "error",
+      excludeEntrypoints: ["./type-generator"],
+    },
     name: "@databricks/appkit",
     entry: ["src/index.ts", "src/beta.ts"],
     outDir: "dist",

packages/lakebase/package.json

@@ -3,7 +3,8 @@
   "type": "module",
   "version": "0.3.0",
   "description": "PostgreSQL driver for Databricks Lakebase Autoscaling with automatic OAuth token refresh",
-  "main": "./dist/index.js",
+  "main": "./dist/index.cjs",
+  "module": "./dist/index.js",
   "types": "./dist/index.d.ts",
   "packageManager": "pnpm@10.21.0",
   "repository": {
@@ -30,9 +31,15 @@
   ],
   "exports": {
     ".": {
-      "types": "./dist/index.d.ts",
       "development": "./src/index.ts",
-      "default": "./dist/index.js"
+      "import": {
+        "types": "./dist/index.d.ts",
+        "default": "./dist/index.js"
+      },
+      "require": {
+        "types": "./dist/index.d.cts",
+        "default": "./dist/index.cjs"
+      }
     },
     "./package.json": "./package.json"
   },
@@ -56,10 +63,18 @@
   "devDependencies": {
     "@types/pg": "8.16.0"
   },
-  "module": "./dist/index.js",
   "publishConfig": {
     "exports": {
-      ".": "./dist/index.js",
+      ".": {
+        "import": {
+          "types": "./dist/index.d.ts",
+          "default": "./dist/index.js"
+        },
+        "require": {
+          "types": "./dist/index.d.cts",
+          "default": "./dist/index.cjs"
+        }
+      },
       "./package.json": "./package.json"
     }
   }

packages/lakebase/tsdown.config.ts

@@ -3,11 +3,15 @@ import { defineConfig } from "tsdown";
 export default defineConfig([
   {
     publint: true,
+    attw: {
+      profile: "strict",
+      level: "error",
+    },
     name: "@databricks/lakebase",
     entry: "src/index.ts",
     outDir: "dist",
     hash: false,
-    format: "esm",
+    format: ["esm", "cjs"],
     platform: "node",
     minify: false,
     dts: {
@@ -17,8 +21,8 @@ export default defineConfig([
     clean: false,
     unbundle: true,
     noExternal: [],
-    outExtensions: () => ({
-      js: ".js",
+    outExtensions: ({ format }) => ({
+      js: format === "cjs" ? ".cjs" : ".js",
     }),
     external: (id) => {
       // Bundle all internal modules

patches/@arethetypeswrong__core.patch

@@ -0,0 +1,40 @@
+diff --git a/dist/createPackage.js b/dist/createPackage.js
+index 1b8fb1c65a9ccd0fa6448af0781297beeeae9772..872ef981bfc6d4db5245fe63cde9b116f515883f 100644
+--- a/dist/createPackage.js
++++ b/dist/createPackage.js
+@@ -11,7 +11,7 @@ var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (
+ };
+ var _Package_files;
+ import { untar } from "@andrewbranch/untar.js";
+-import { Gunzip } from "fflate";
++import { Gunzip, FlateErrorCode } from "fflate";
+ import { major, maxSatisfying, minor, valid, validRange } from "semver";
+ import ts from "typescript";
+ import { parsePackageSpec } from "./utils.js";
+@@ -224,9 +224,23 @@ export function createPackageFromTarballData(tarball) {
+ function extractTarball(tarball) {
+     var _a;
+     // Use streaming API to work around https://github.com/101arrowz/fflate/issues/207
+-    let unzipped;
+-    new Gunzip((chunk) => (unzipped = chunk)).push(tarball, /*final*/ true);
+-    const data = untar(unzipped);
++    const chunks = [];
++    try {
++        new Gunzip((chunk) => chunks.push(chunk)).push(tarball, /*final*/ true);
++    }
++    catch (err) {
++        // this happens for zero-padded tarballs; can safely ignore
++        if (err.code !== FlateErrorCode.InvalidHeader) {
++            throw err;
++        }
++    }
++    const unzipped = new Uint8Array(chunks.reduce((a, b) => a + b.length, 0));
++    let offset = 0;
++    for (const chunk of chunks) {
++        unzipped.set(chunk, offset);
++        offset += chunk.length;
++    }
++    const data = untar(unzipped.buffer);
+     const prefix = data[0].filename.substring(0, data[0].filename.indexOf("/") + 1);
+     const packageJsonText = (_a = data.find((f) => f.filename === `${prefix}package.json`)) === null || _a === void 0 ? void 0 : _a.fileData;
+     const packageJson = JSON.parse(new TextDecoder().decode(packageJsonText));

pnpm-workspace.yaml

@@ -2,3 +2,6 @@ packages:
   - "packages/*"
   - "apps/*"
   - "docs"
+
+patchedDependencies:
+  "@arethetypeswrong/core": "patches/@arethetypeswrong__core.patch"