import { build } from "esbuild";
import fs from "node:fs/promises";
import path from "node:path";

const root = process.cwd();
const outputDirectory = path.join(root, "dist", "harness");
await fs.mkdir(outputDirectory, { recursive: true });

await build({
  entryPoints: [path.join(root, "src", "agents", "harness", "pi-coding-worker.ts")],
  outfile: path.join(outputDirectory, "pi-coding-worker.mjs"),
  bundle: true,
  platform: "node",
  format: "esm",
  target: "node22",
  sourcemap: false,
  legalComments: "none",
  treeShaking: true,
  banner: {
    js: [
      "// thought stream Pi coding harness worker. Generated by pnpm build:harness.",
      "import { createRequire as __createRequire } from 'node:module';",
      "const require = __createRequire(import.meta.url);",
    ].join("\n"),
  },
});