Function applyMiddleware

packages/platform/src/HttpApiBuilder.ts:708–729

(
  middleware: MiddlewareMap,
  handler: A
)

}

const applyMiddleware = <A extends Effect.Effect<any, any, any>>(
  middleware: MiddlewareMap,
  handler: A
) => {
  for (const entry of middleware.values()) {
    const effect = HttpApiMiddleware.SecurityTypeId in entry.tag ? makeSecurityMiddleware(entry as any) : entry.effect
    if (entry.tag.optional) {
      const previous = handler
      handler = Effect.matchEffect(effect, {
        onFailure: () => previous,
        onSuccess: entry.tag.provides !== undefined
          ? (value) => Effect.provideService(previous, entry.tag.provides as any, value)
          : (_) => previous
      }) as any
    } else {
      handler = entry.tag.provides !== undefined
        ? Effect.provideServiceEffect(handler, entry.tag.provides as any, effect) as any
        : Effect.zipRight(effect, handler) as any
    }
  }
  return handler
}

const securityMiddlewareCache = globalValue<WeakMap<any, Effect.Effect<any, any, any>>>(
  "securityMiddlewareCache",