webhooks.ts

import { createProbot } from "probot";
import { Handler } from "@netlify/functions";
import { EmitterWebhookEventName } from "@octokit/webhooks";

import app from "../../../src";

const probot = createProbot();
const loadingApp = probot.load(app);

export const handler: Handler = async (event, context) => {
  try {
    await loadingApp;
    await probot.webhooks.verifyAndReceive({
      id: event.headers["X-GitHub-Delivery"] || event.headers["x-github-delivery"] || "",
      name: (event.headers["X-GitHub-Event"] || event.headers["x-github-event"]) as EmitterWebhookEventName,
      signature: event.headers["X-Hub-Signature-256"] || event.headers["x-hub-signature-256"] || "",
      payload: JSON.parse(event.body!),
    });

    return {
      statusCode: 200,
      body: '{"ok":true}',
    };
  } catch (error) {
    console.error(error);

    return {
      statusCode: error.status || 500,
      error: "ooops",
    };
  }
};