Cloudflare puppeteer response.text()

index.ts

import puppeteer from "@cloudflare/puppeteer";

// deploy with $ npx wrangler deploy

export default {

    async fetch(request, env, ctx)  {
        const url = new URL(request.url);
        const path = url.pathname
        let reqUrl = url.searchParams.get("url") || 'https://example.com';
        reqUrl = new URL(reqUrl).toString(); // normalize
        console.log(`path:${path} - reqUrl:${reqUrl}`) 

        let  browser = await puppeteer.launch(env.MYBROWSER);
        const sessionId = browser.sessionId()
        const page = await browser.newPage();
        const response = await page.goto(reqUrl);
        const dom = await response!.text()

        await browser.close()

        const html = `${sessionId}
        --------------------------
        ${dom}`
        return new Response(html, {
            headers: {
                "content-type": "text/plain",
            },
        });
    },

};

package.json

{
  "dependencies": {
    "wrangler": "^3.24.0",
    "@cloudflare/puppeteer": "^0.0.7"
  },
  "devDependencies": {
    "@cloudflare/workers-types": "^4.20230221.0",
    "@types/node": "^18.11.18",
    "@types/service-worker-mock": "^2.0.1",
    "ts-node": "^10.9.1",
    "typescript": "^4.9.5",
    "wrangler": "^3.6.0"
  }
}

wrangler.toml

name = "response-text"
main = "index.ts"
compatibility_date = "2023-03-14"

node_compat = true

browser = { binding = "MYBROWSER"}