Function buildTarget

packages/computerd/scripts/build-bin.mjs:79–135

(target)

}

async function buildTarget(target) {
  const bundlePath = resolve(seaWorkDir, `${target.name}.bundle.mjs`);
  const blobPath = resolve(seaWorkDir, `${target.name}.blob`);
  const configPath = resolve(seaWorkDir, `${target.name}.sea-config.json`);
  const outBin = resolve(outputDir, target.outputName);

  await bundleComputerd({ outfile: bundlePath, target });

  await writeFile(
    configPath,
    JSON.stringify(
      {
        main: resolve(here, "sea/bootstrap.cjs"),
        output: blobPath,
        disableExperimentalSEAWarning: true,
        useSnapshot: false,
        useCodeCache: false,
        assets: {
          "bundle.mjs": bundlePath,
          "fuse-native.node": resolve(repoRoot, target.addon),
          [target.libfuseName]: resolve(repoRoot, target.libfuse),
        },
      },
      null,
      2,
    ),
  );

  await execFileP(process.execPath, ["--experimental-sea-config", configPath]);

  const nodeBinary = await ensureTargetNodeBinary(target);
  await copyFile(nodeBinary, outBin);
  await chmod(outBin, 0o755);

  if (target.isMac) {
    // `codesign --remove-signature` only exists on macOS hosts. Skip with a
    // warning on linux build hosts — the binary will still load on macOS
    // after the user (or a downstream signer) re-signs it.
    await maybe(execFileP("codesign", ["--remove-signature", outBin]));
  }

  const postjectArgs = [
    resolve(repoRoot, "node_modules/postject/dist/cli.js"),
    outBin,
    "NODE_SEA_BLOB",
    blobPath,
    "--sentinel-fuse",
    "NODE_SEA_FUSE_fce680ab2cc467b6e072b8b5df1996b2",
    "--overwrite",
  ];
  if (target.isMac) postjectArgs.push("--macho-segment-name", "NODE_SEA");
  await execFileP(process.execPath, postjectArgs);

  if (target.isMac) {
    await maybe(execFileP("codesign", ["--sign", "-", outBin]));
  }
}