interface Middleware

A general function that can be used to surround any other function or value.

Examples

Example 1

import type { Operation } from "effection";

function* DbMiddleware(args, next): <[string], Operation<{ id: number; title: string }[]>> {
  let [sql] = args;
  let start = Date.now();
  try {
    return yield* next(...args);
  } finally {
    console.log("query ms", Date.now() - start, sql);
  }
};

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Type Parameters

TArgs extends unknown[]

TReturn