tinder-request-interception.js

/**
 * Save everything that Tinder used to make a request to your data in the window.
 */
function hackRequest(request) {
  window.tinderCoreRequestRequeriments = {
    headers: response.headers,
    url: response.url,
    referrer: "https://tinder.com/",
    referrerPolicy: "origin",
    body: null,
    method: "GET",
    mode: "cors",
    credentials: "omit"
  }
}
/**
 * executed callback on request interception.
 *
 * @param {*} request
 */
function interceptFetchApi(request) {
  hackRequest(request)
}

function handleTinderCoreResponse(response) {
  console.log(response);
}

/**
 * Override the Fetch API to intercept the response.
 * 
 * @see {@link https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API}
 * @param {String} urlPatternToIntercept
 */
const rewriteFetchApiToInterceptUrlPattern = (urlPatternToIntercept) => {
  const originalFetch = window.fetch
  window.fetch = (url, options) => {
    const isToIntercept = urlPatternToIntercept.test(url)
    if (isToIntercept) {
      interceptFetchApi({ ...options, url })
      return originalFetch(url, options)
        .then(resp => resp.json())
        .then(resp => handleTinderCoreResponse(resp))
    } else {
      return originalFetch(url, options)
    }
  }
}
rewriteFetchApiToInterceptUrlPattern(/v2\/recs\/core/)