web-stream-demo.ts

export default {
  async fetch(req: Request): Promise<Response> {
    const stream = new ReadableStream({
      async start(controller) {
        const encoder = new TextEncoder();
        for (const token of getTokens()) {
          controller.enqueue(encoder.encode(token + " "));
          await new Promise((resolve) => setTimeout(resolve, 25));
        }
        controller.close();
      },
    });
    return new Response(stream, {
      headers: {
        "Content-Type": "text/html; charset=utf-8",
        "Transfer-Encoding": "chunked",
        "Cache-Control": "no-cache",
      },
    });
  },
};

function getTokens() {
  return `
Lorem ipsum dolor sit amet, web standards are the rules that keep the web working. They make sure pages load the same way for everyone. Without them, sites would break on different devices. Developers follow them to reduce guesswork. Good standards mean fewer bugs and better access.

Consectetur adipiscing elit, HTML defines structure. It tells the browser what is a heading, paragraph, or image. CSS handles style, like colors and layout. JavaScript adds interactivity. Together they form the core stack, and standards keep their roles clear.

Sed do eiusmod tempor, accessibility is part of the standard. It ensures users with disabilities can use the web. Semantic markup, proper labels, and keyboard support all help. Standards guide these choices so content is usable by all. Inclusive design starts with following well-defined rules.

Ut labore et dolore magna aliqua, performance matters too. Standards encourage efficient code and resource loading. Features like lazy loading, responsive images, and caching are shaped by best practices. Fast sites keep users and reduce waste. A shared baseline lets tools and browsers optimize better.

Ut enim ad minim veniam, the web evolves but standards adapt. New APIs, security updates, and privacy measures go through specification. Communities discuss and refine them openly. Staying current means reading the docs, testing across browsers, and using progressive enhancement. Solid standards make the web stable and future-ready.
  `
    .split("/n")
    .flatMap((line) => [...line.trim().split(" "), "<br>"])
    .filter(Boolean);
}