fix action package exports and build ESM library entrypoints.

emit real ESM runtime + declaration outputs for programmatic imports, align package exports/types with built files, and add a no-cjs policy note.

Made-with: Cursor

esbuild.config.js

@@ -1,10 +1,13 @@
 // @ts-check
 
 import { build } from "esbuild";
-import { readFileSync, writeFileSync } from "fs";
+import { mkdirSync, readFileSync, rmSync, writeFileSync } from "fs";
 
 const pkg = JSON.parse(readFileSync("package.json", "utf-8"));
 
+rmSync("./dist", { recursive: true, force: true });
+mkdirSync("./dist", { recursive: true });
+
 // Plugin to strip shebangs from output files
 /**
  * @type {import("esbuild").Plugin}
@@ -73,6 +76,21 @@ await build({
   },
 });
 
+// Build ESM library entrypoints for programmatic imports
+await build({
+  ...sharedConfig,
+  entryPoints: ["./index.ts"],
+  outfile: "./dist/index.js",
+  target: "node20",
+});
+
+await build({
+  ...sharedConfig,
+  entryPoints: ["./internal/index.ts"],
+  outfile: "./dist/internal.js",
+  target: "node20",
+});
+
 // prepend shebang after strip (esbuild banner can't guarantee line 1 placement)
 const cliPath = "./dist/cli.mjs";
 const cliContent = readFileSync(cliPath, "utf8");