warn "export 'ComputeType' was not found in './components/compute/ComputeComponent'
warn "export 'Entity' was not found in './Entity'
warn "export 'IBoxGeometryParams' was not found in './components/geometry/System'
warn "export 'IMaterialParams' was not found in './components/material/System'
warn "export 'IMeshParams' was not found in './components/mesh/System'
warn "export 'IUniform' was not found in './components/material/MaterialComponent'
构建时会报 warning,在 CRA 中使用时会导致构建失败
https://github.com/angular/angular-cli/issues/2034#issuecomment-302666897