sbool loadMediumJSON_verbose;
static int loadMediumJSON_timeout = 60*1000;

// accepts raw username and "@username"
static Map<S, O> loadMediumJSON(S username) {
  S html = loadPageWithUserAgentAndTimeout("https://medium.com/" + addPrefix("@", username), "Mac Safari", loadMediumJSON_timeout);
  if (loadMediumJSON_verbose) print(html);
  
  S prefix = [[window["obvInit"](]];
  int i = indexOf(html, prefix);
  if (i < 0) null;
  int j = indexOf(html, "\n", i);
  if (j < 0) null;
  S json = dropSuffix(")", trim(substring(html, i+l(prefix), j)));
  ret jsonDecodeMap(json);
}