app.ts

import { createRouter, Response } from 'fets';
import { MeshFetch } from '@graphql-mesh/types';
import { fetch as defaultFetch } from '@whatwg-node/fetch';

export function createApi(fetch: MeshFetch = defaultFetch) {
  let todos = [];

  const app = createRouter()
    .route({
      path: '/todos',
      method: 'GET',
      handler: () => Response.json(todos),
    })
    .route({
      path: '/todo',
      method: 'POST',
      async handler(request) {
        const reqBody = await request.json();
        const todo = {
          id: todos.length,
          ...reqBody,
        };
        todos.push(todo);
        try {
          const res = await fetch('http://127.0.0.1:4000/webhooks/todo_added', {
            method: 'POST',
            headers: {
              'Content-Type': 'application/json',
            },
            body: JSON.stringify(todo),
          });
          console.log('Webhook response', await res.text());
        } catch (e) {
          console.error('Failed to send webhook', e);
        }
        return Response.json(todo);
      },
    });

  return {
    app,
    resetTodos() {
      todos = [];
    },
  };
}