doesitarm/netlify/functions/eleventy-builder/eleventy-builder.js

const { EleventyServerless } = require("@11ty/eleventy");

// Explicit dependencies for the bundler from config file and global data.
// The file is generated by the Eleventy Serverless Bundler Plugin.
require("./eleventy-bundler-modules.js");

async function handler(event) {

    console.log('event.path', event.path)

    let elev = new EleventyServerless("eleventy-builder", {
        path: event.path,
        query: event.queryStringParameters,
        inputDir: ".",
        functionsDir: "./netlify/functions/",
    });

    try {
        return {
            statusCode: 200,
            headers: {
                "Content-Type": "text/html; charset=UTF-8",
            },
            body: await elev.render(),
        };
    } catch (error) {
        // Only console log for matching serverless paths
        // (otherwise you’ll see a bunch of BrowserSync 404s for non-dynamic URLs during --serve)
        if (elev.isServerlessUrl(event.path)) {
            console.log("Serverless Error:", error);
        }

        return {
            statusCode: error.httpStatusCode || 500,
            body: JSON.stringify(
                {
                    error: error.message,
                },
                null,
                2
            ),
        };
    }
}

// Choose one:
// * Runs on each request: AWS Lambda (or Netlify Function)
// * Runs on first request only: Netlify On-demand Builder
//   (don’t forget to `npm install @netlify/functions`)

// exports.handler = handler;

const { builder } = require("@netlify/functions");
exports.handler = builder(handler);