module.findSourceMap(path)

• path <string>

• 返回：<module.SourceMap> | <undefined> 如果找到源映射，则返回 module.SourceMap，否则返回 undefined。

  ¥Returns: <module.SourceMap> | <undefined> Returns module.SourceMap if a source map is found, undefined otherwise.

path 是文件的解析路径，应为其获取相应的源映射。

¥path is the resolved path for the file for which a corresponding source map should be fetched.