Function maybeDoBuildCommand

packages/backends/src/build.ts:27–73

(
  args: BuildOptions,
  downloadResult: Awaited<ReturnType<typeof downloadInstallAndBundle>>
)

}

export const maybeDoBuildCommand = async (
  args: BuildOptions,
  downloadResult: Awaited<ReturnType<typeof downloadInstallAndBundle>>
) => {
  const buildCommandResult = await maybeExecBuildCommand(args, downloadResult);
  const outputSetting = args.config.outputDirectory;

  let outputDir: string | undefined;
  let entrypoint: string | undefined;
  if (buildCommandResult && outputSetting) {
    if (outputSetting) {
      const _outputDir = join(args.workPath, outputSetting);
      // Skip when `outputDirectory` is the project root itself (e.g. `.`):
      // globbing it would sweep in `node_modules` and break tracing. Fall back
      // to the rolldown bundle instead.
      if (resolve(_outputDir) !== resolve(args.workPath)) {
        const _entrypoint = await findEntrypointInOutputDir(_outputDir);
        if (_entrypoint) {
          outputDir = _outputDir;
          entrypoint = _entrypoint;
        }
      }
    } else {
      const commonOutputDirectories = ['dist', 'build', 'output'];
      for (const outputDirectory of commonOutputDirectories) {
        const _outputDir = join(args.workPath, outputDirectory);
        if (existsSync(_outputDir)) {
          const _entrypoint = await findEntrypointInOutputDir(_outputDir);
          if (_entrypoint) {
            outputDir = _outputDir;
            entrypoint = _entrypoint;
            break;
          }
        }
      }
    }
  }
  const localBuildFiles = new Set<string>();
  let files: Files | undefined;
  if (outputDir && entrypoint) {
    files = await glob('**', outputDir);
    for (const file of Object.keys(files)) {
      localBuildFiles.add(join(outputDir, file));
    }
  }
  return { localBuildFiles, files, handler: entrypoint, outputDir };
};