IgnorePlugin

• resourceRegExp：匹配(test)资源请求路径的正则表达式。

• checkContext(context) A Filter function that receives context as the argument, must return boolean.
• A Filter function that receives resource as the argument, must return boolean.

moment 2.18 会将所有本地化内容和核心功能一起打包（见）。

Rather, because moment imports with this code:

…which means “any require statement matching './locale' from any directories ending with will be ignored.