Roo Checkout Fix

Makes Deliveroo think you're on the app

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

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// ==UserScript==
// @name         Roo Checkout Fix
// @description  Makes Deliveroo think you're on the app
// @match        https://deliveroo.co.uk/*
// @match        https://www.deliveroo.co.uk/*
// @run-at       document-start
// @version 0.0.1.20260609222641
// @namespace https://greasyfork.org/users/1611219
// ==/UserScript==

(() => {
  "use strict";

  const HEADER_NAME = "x-roo-client";
  const HEADER_VALUE = "consumer-app";

  const TARGET_METHODS = ["*"];

  const TARGET_URL_PATTERN = /deliveroo\.co\.uk/;

  function normaliseUrl(url) {
    try {
      return new URL(String(url), location.href).href;
    } catch {
      return String(url);
    }
  }

  function shouldModify(url, method) {
    const fullUrl = normaliseUrl(url);
    const upperMethod = String(method || "GET").toUpperCase();

    const methodMatches =
      TARGET_METHODS.includes("*") ||
      TARGET_METHODS.map(m => m.toUpperCase()).includes(upperMethod);

    return methodMatches && TARGET_URL_PATTERN.test(fullUrl);
  }

  function editHeaders(headersLike) {
    const headers = new Headers(headersLike || {});
    headers.set(HEADER_NAME, HEADER_VALUE);
    headers.set("x-roo-device", "ios");
    headers.set("x-roo-app-version", "3.0.0");
    return headers;
  }

  const originalFetch = window.fetch;

  window.fetch = function patchedFetch(input, init = {}) {
    let url;
    let method;
    let originalHeaders;

    if (input instanceof Request) {
      url = input.url;
      method = init.method || input.method || "GET";
      originalHeaders = init.headers || input.headers;
    } else {
      url = input;
      method = init.method || "GET";
      originalHeaders = init.headers;
    }

    if (!shouldModify(url, method)) {
      return originalFetch.call(this, input, init);
    }

    const newInit = {
      ...init,
      method,
      headers: editHeaders(originalHeaders)
    };

    if (input instanceof Request) {
      return originalFetch.call(this, new Request(input, newInit));
    }

    return originalFetch.call(this, input, newInit);
  };

  const originalOpen = XMLHttpRequest.prototype.open;
  const originalSend = XMLHttpRequest.prototype.send;
  const originalSetRequestHeader = XMLHttpRequest.prototype.setRequestHeader;

  XMLHttpRequest.prototype.open = function patchedOpen(method, url, ...rest) {
    this.__headerEditorUrl = url;
    this.__headerEditorMethod = method;
    this.__headerEditorShouldModify = shouldModify(url, method);
    return originalOpen.call(this, method, url, ...rest);
  };

  XMLHttpRequest.prototype.setRequestHeader = function patchedSetRequestHeader(name, value) {
    if (
      this.__headerEditorShouldModify &&
      String(name).toLowerCase() === HEADER_NAME.toLowerCase()
    ) {
      return;
    }
    return originalSetRequestHeader.call(this, name, value);
  };

  XMLHttpRequest.prototype.send = function patchedSend(body) {
    if (this.__headerEditorShouldModify) {
      originalSetRequestHeader.call(this, HEADER_NAME, HEADER_VALUE);
      originalSetRequestHeader.call(this, "x-roo-device", "ios");
      originalSetRequestHeader.call(this, "x-roo-app-version", "3.0.0");
    }
    return originalSend.call(this, body);
  };
})();