lbry-desktop/web/src/routes.js

const { getHtml } = require('./html');
const { generateStreamUrl } = require('../../ui/util/web');
const fetch = require('node-fetch');
const Router = require('@koa/router');

// So any code from 'lbry-redux'/'lbryinc' that uses `fetch` can be run on the server
global.fetch = fetch;

const router = new Router();

function getStreamUrl(ctx) {
  const { claimName, claimId } = ctx.params;

  const streamUrl = generateStreamUrl(claimName, claimId);
  return streamUrl;
}

router.get(`/$/download/:claimName/:claimId`, async ctx => {
  const streamUrl = getStreamUrl(ctx);
  const downloadUrl = `${streamUrl}?download=1`;
  ctx.redirect(downloadUrl);
});

router.get(`/$/stream/:claimName/:claimId`, async ctx => {
  const streamUrl = getStreamUrl(ctx);
  ctx.redirect(streamUrl);
});

router.get('*', async ctx => {
  const html = await getHtml(ctx);
  ctx.body = html;
});

module.exports = router;