message: Save exact version to `package.json`
diff: @@ -337,7 +337,7 @@ def config_inited(app, config):
  check=True,
  )
  subprocess.run(
  - ["npm", "install", "colors@1.4.0"],
  + ["npm", "install", "--save-exact", "colors@1.4.0"],
  cwd=js_pkg_dir,
  check=True,
  )
  