Function generateSEA

test/common/sea.js:136–203

(fixtureDir, options = {})

}

function generateSEA(fixtureDir, options = {}) {
  const {
    workingDir = tmpdir.path,
    configPath = 'sea-config.json',
    verifyWorkflow = false,
  } = options;
  // Copy fixture files to working directory if they are different.
  if (fixtureDir !== workingDir) {
    fs.cpSync(fixtureDir, workingDir, { recursive: true });
  }

  // Determine the output executable path.
  const outputFile = path.resolve(workingDir, process.platform === 'win32' ? 'sea.exe' : 'sea');

  try {
    // Copy the executable.
    copyFileSync(process.execPath, outputFile);
    console.log(`Copied ${process.execPath} to ${outputFile}`);
  } catch (e) {
    const message = `Cannot copy ${process.execPath} to ${outputFile}: ${inspect(e)}`;
    if (verifyWorkflow) {
      throw new Error(message, { cause: e });
    }
    common.skip(message);
  }

  // Generate the blob using --experimental-sea-config.
  spawnSyncAndExitWithoutError(
    process.execPath,
    ['--experimental-sea-config', configPath],
    {
      cwd: workingDir,
      env: {
        NODE_DEBUG_NATIVE: 'SEA',
        ...process.env,
      },
    },
  );

  // Parse the config to get the output file path.
  const config = JSON.parse(fs.readFileSync(path.resolve(workingDir, configPath)));
  assert.strictEqual(typeof config.output, 'string');
  const seaPrepBlob = path.resolve(workingDir, config.output);
  assert(fs.existsSync(seaPrepBlob), `Expected SEA blob ${seaPrepBlob} to exist`);

  // Use postject to inject the blob.
  const postjectFile = fixtures.path('postject-copy', 'node_modules', 'postject', 'dist', 'cli.js');
  try {
    spawnSyncAndExitWithoutError(process.execPath, [
      postjectFile,
      outputFile,
      'NODE_SEA_BLOB',
      seaPrepBlob,
      '--sentinel-fuse', 'NODE_SEA_FUSE_fce680ab2cc467b6e072b8b5df1996b2',
      ...process.platform === 'darwin' ? [ '--macho-segment-name', 'NODE_SEA' ] : [],
    ]);
  } catch (e) {
    const message = `Cannot inject ${seaPrepBlob} into ${outputFile}: ${inspect(e)}`;