When parameters define file name and extension delimited by ., can not generate expectedly.

[phigasui]

Example

routes.rb

    get    '/test/:filename.:extension'                               => 'test#show', as: :test

rails-routes.ts

export function testPath(params: Params<'filename.:extension' | 'extension + ''>) { return process('/test/' + params.filename.' + params.extension + ' + '', params, ['filename.:extension','extension + '']); }