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Custom Middleware
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You want a lightweight middleware with no dependencies to inject. Which form is most appropriate?
AA plain function (req, res, next) => { ... } passed to consumer.apply()
BAn interceptor returned from @Module()
CA guard implementing canActivate
DA class implementing NestMiddleware registered in providers
What does consumer.apply(MiddlewareA, MiddlewareB).forRoutes('cats') do?
AOnly MiddlewareA runs; MiddlewareB is ignored
BBoth run on cats routes in the order they are listed: A then B
CThey run in reverse order: B then A
DThey run in parallel with no ordering guarantee
How do you apply a middleware to all controller routes except cats/health?
Aconsumer.apply(M).forRoutes('cats').not('cats/health')
Bconsumer.apply(M).forRoutes('cats/*').skip('cats/health')
CExclusion is impossible; you must list every included route
Dconsumer.apply(M).exclude('cats/health').forRoutes(CatsController)
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