playing with cjs exports

packages/abi-ts/package.json

@@ -10,7 +10,10 @@
   "license": "MIT",
   "type": "module",
   "exports": {
-    "./internal": "./dist/exports/internal.js"
+    "./internal": {
+      "import": "./dist/exports/internal.js",
+      "default": "./dist/exports/internal.cjs"
+    }
   },
   "typesVersions": {
     "*": {
@@ -20,7 +23,7 @@
     }
   },
   "bin": {
-    "abi-ts": "./bin/abi-ts.js"
+    "abi-ts": "./bin/abi-ts.cjs"
   },
   "files": [
     "bin",

packages/abi-ts/tsup.config.ts

@@ -1,16 +1,7 @@
 import { defineConfig } from "tsup";
+import { baseConfig } from "../../tsup.config.base";
 
 export default defineConfig((opts) => ({
+  ...baseConfig(opts),
   entry: ["src/exports/internal.ts", "src/bin/abi-ts.ts"],
-  target: "esnext",
-  format: ["esm"],
-  sourcemap: true,
-  minify: true,
-  // don't generate DTS during watch mode because it's slow
-  // we're likely using TS source in this mode anyway
-  dts: !opts.watch,
-  // don't clean during watch mode to avoid removing
-  // previously-built DTS files, which other build tasks
-  // depend on
-  clean: !opts.watch,
 }));

tsup.config.base.ts

@@ -0,0 +1,17 @@
+import { Options } from "tsup";
+
+export function baseConfig(opts: Options): Options {
+  return {
+    target: "esnext",
+    format: ["esm", "cjs"],
+    minify: true,
+    sourcemap: true,
+    // don't generate DTS during watch mode because it's slow
+    // we're likely using TS source in this mode anyway
+    dts: !opts.watch,
+    // don't clean during watch mode to avoid removing
+    // previously-built DTS files, which other build tasks
+    // depend on
+    clean: !opts.watch,
+  };
+}