配置项不能指定root目录吗？

我的静态文件分了好几个目录，想请求url为`http://127.0.0.1/static/??js/a.js,js1/b.js,js2/c.js`
然后配置location拦截/static/，但是我的目录js，js1，js2并不在static目录下面，所以想在location下面配置个root指定根目录，发现没有效果，请问现在是不允许或还不支持这么配置吗？

Reproduce the reported configuration using the /static/ location and the separate js, js1, and js2 directories. Start by tracing how the module resolves requested file paths relative to an Nginx location and root setting; done means confirming whether this configuration is supported and documenting or implementing the expected path resolution.

Written by the indexing model from the issue text.