stremio/apps/tizen-tv/www/js/polyfill.js

/* Oudere Tizen-browsers: fetch + pad helpers */
(function (global) {
  if (typeof global.fetch !== "function") {
    global.fetch = function (url, opts) {
      opts = opts || {};
      return new Promise(function (resolve, reject) {
        var xhr = new XMLHttpRequest();
        xhr.open(opts.method || "GET", url, true);
        var headers = opts.headers || {};
        for (var k in headers) {
          if (headers.hasOwnProperty(k)) xhr.setRequestHeader(k, headers[k]);
        }
        xhr.onload = function () {
          var body = xhr.responseText;
          resolve({
            ok: xhr.status >= 200 && xhr.status < 300,
            status: xhr.status,
            text: function () {
              return Promise.resolve(body);
            },
            json: function () {
              return Promise.resolve(JSON.parse(body || "null"));
            },
          });
        };
        xhr.onerror = function () {
          reject(new Error("Netwerkfout"));
        };
        xhr.send(opts.body || null);
      });
    };
  }

  if (!Element.prototype.closest) {
    Element.prototype.closest = function (sel) {
      var el = this;
      while (el && el.nodeType === 1) {
        if (el.matches ? el.matches(sel) : el.msMatchesSelector(sel)) return el;
        el = el.parentElement;
      }
      return null;
    };
  }

  if (!Element.prototype.matches) {
    Element.prototype.matches =
      Element.prototype.msMatchesSelector ||
      Element.prototype.webkitMatchesSelector;
  }

  if (typeof Promise === "undefined") {
    var fatal = document.getElementById("fatal");
    if (fatal) {
      fatal.classList.remove("hidden");
      fatal.textContent =
        "Deze TV ondersteunt geen moderne JavaScript (Promise ontbreekt).";
    }
  }
})(window);