create-solana-program/template/base/scripts/program/build.mjs

#!/usr/bin/env zx
import 'zx/globals';
import { workingDirectory, getProgramFolders } from '../utils.mjs';

// Save external programs binaries to the output directory.
import './dump.mjs';

// Build the programs.
await Promise.all(
  getProgramFolders().map(async (folder) => {
    await $`cd ${path.join(workingDirectory, folder)}`.quiet();
    await $`cargo build-sbf ${argv._}`;
  })
);