build.mjs

#!/usr/bin/env node
// Build script: bundles the CLI and the self-contained viewer HTML into dist/.
import * as esbuild from "esbuild";
import { copyFileSync, readFileSync, writeFileSync, mkdirSync } from "node:fs";
import { dirname, join } from "node:path";
import { fileURLToPath } from "node:url";

const root = dirname(fileURLToPath(import.meta.url));
const watch = process.argv.includes("--watch");

/** @type {import('esbuild').BuildOptions} */
const shared = {
  bundle: true,
  minify: true,
  logLevel: "info",
};

async function build() {
  const pkg = JSON.parse(readFileSync(join(root, "package.json"), "utf8"));

  // 1. CLI
  await esbuild.build({
    ...shared,
    entryPoints: [join(root, "src/cli.ts")],
    outfile: join(root, "dist/cli.js"),
    platform: "node",
    format: "esm",
    target: "node18",
    banner: { js: "#!/usr/bin/env node" },
    define: { __AGENTOSCOPE_VERSION__: JSON.stringify(pkg.version) },
  });

  // 2. Viewer JS (browser app, marked bundled in)
  const viewer = await esbuild.build({
    ...shared,
    entryPoints: [join(root, "src/viewer/app.ts")],
    platform: "browser",
    format: "iife",
    target: "es2020",
    write: false,
  });
  const viewerJs = viewer.outputFiles[0].text;
  const css = readFileSync(join(root, "src/viewer/styles.css"), "utf8");
  const shell = readFileSync(join(root, "src/viewer/shell.html"), "utf8");

  const html = shell
    .replace("/*__AGENTOSCOPE_CSS__*/", () => css)
    .replace("//__AGENTOSCOPE_JS__", () => viewerJs);

  mkdirSync(join(root, "dist"), { recursive: true });
  writeFileSync(join(root, "dist/viewer.html"), html);
  console.log("dist/viewer.html written");

  // 3. Hosted worker (agentoscope.rafael.ltd/r/:owner/:repo) + viewer template asset
  await esbuild.build({
    ...shared,
    entryPoints: [join(root, "src/worker.ts")],
    outfile: join(root, "site/_worker.js"),
    platform: "neutral",
    format: "esm",
    target: "es2022",
  });
  copyFileSync(join(root, "dist/viewer.html"), join(root, "site/_viewer.html"));
  console.log("site/_worker.js + site/_viewer.html written");
}

build().catch((err) => {
  console.error(err);
  process.exit(1);
});