@astrojs/vercel/dist/serverless/entrypoint.js

Deploy your site to Vercel

import { setGetEnv } from "astro/env/setup";
import {
  ASTRO_LOCALS_HEADER,
  ASTRO_MIDDLEWARE_SECRET_HEADER,
  ASTRO_PATH_HEADER,
  ASTRO_PATH_PARAM
} from "../index.js";
import { middlewareSecret, skewProtection } from "virtual:astro-vercel:config";
import { createApp } from "astro/app/entrypoint";
import { getClientIpAddress } from "@astrojs/internal-helpers/request";
setGetEnv((key) => process.env[key]);
const app = createApp();
var entrypoint_default = {
  async fetch(request) {
    const url = new URL(request.url);
    const middlewareSecretHeader = request.headers.get(ASTRO_MIDDLEWARE_SECRET_HEADER);
    const hasValidMiddlewareSecret = middlewareSecretHeader === middlewareSecret;
    let realPath = void 0;
    if (hasValidMiddlewareSecret) {
      realPath = request.headers.get(ASTRO_PATH_HEADER);
    } else if (request.headers.get("x-vercel-isr") === "1") {
      realPath = url.searchParams.get(ASTRO_PATH_PARAM);
    }
    if (typeof realPath === "string") {
      url.pathname = realPath;
      request = new Request(url.toString(), {
        method: request.method,
        headers: request.headers,
        ...request.body ? { body: request.body, duplex: "half" } : {}
      });
    }
    const routeData = app.match(request);
    let locals = {};
    const astroLocalsHeader = request.headers.get(ASTRO_LOCALS_HEADER);
    if (astroLocalsHeader) {
      if (!hasValidMiddlewareSecret) {
        return new Response("Forbidden", { status: 403 });
      }
      locals = JSON.parse(astroLocalsHeader);
    }
    if (hasValidMiddlewareSecret) {
      request.headers.delete(ASTRO_MIDDLEWARE_SECRET_HEADER);
    }
    if (skewProtection && process.env.VERCEL_SKEW_PROTECTION_ENABLED === "1") {
      request.headers.set("x-deployment-id", process.env.VERCEL_DEPLOYMENT_ID);
    }
    const response = await app.render(request, {
      routeData,
      clientAddress: getClientIpAddress(request),
      locals
    });
    if (app.setCookieHeaders) {
      for (const setCookieHeader of app.setCookieHeaders(response)) {
        response.headers.append("Set-Cookie", setCookieHeader);
      }
    }
    return response;
  }
};
export {
  entrypoint_default as default
};