Connectum API Reference / @connectum/interceptors / method-filter / createMethodFilterInterceptor

Function: createMethodFilterInterceptor()

createMethodFilterInterceptor(methods): Interceptor

Defined in: method-filter.ts:130

Create a method filter interceptor that routes to per-method interceptors based on wildcard pattern matching.

Resolution order (all matching patterns execute):

1. Global wildcard "*" (executed first)
2. Service wildcard "Service/*" (executed second)
3. Exact match "Service/Method" (executed last)

Within each pattern, interceptors execute in array order.

Parameters

methods

MethodFilterMap

Method pattern to interceptors mapping

Returns

Interceptor

ConnectRPC interceptor

Examples

Auth per service

import { createMethodFilterInterceptor } from '@connectum/interceptors';

const perMethodInterceptor = createMethodFilterInterceptor({
  "*": [logRequest],
  "admin.v1.AdminService/*": [requireAdmin],
  "user.v1.UserService/DeleteUser": [requireAdmin, auditLog],
});

const server = createServer({
  services: [routes],
  interceptors: [perMethodInterceptor],
});

Resilience per method

createMethodFilterInterceptor({
  "catalog.v1.CatalogService/GetProduct": [
    createTimeoutInterceptor({ duration: 5_000 }),
  ],
  "report.v1.ReportService/*": [
    createTimeoutInterceptor({ duration: 30_000 }),
    createCircuitBreakerInterceptor({ threshold: 3 }),
  ],
});