Function fetchText

Support/SingleFileLibs/javascript/app.js:160–164

(url, opts = {})

  }

  async function fetchText(url, opts = {}) {
    const res = await fetch(url, opts);
    if (!res.ok) throw new Error(`HTTP ${res.status} for ${url}`);
    return res.text();
  }

  function rawUrl(ref, path) {
    // ref can be branch, tag or SHA