modules/avatars/server/extract-gravatar-version.js

   1 'use strict';
   2
   3 var url = require('url');
   4
   5 var GITHUB_AVATARS_HOST_RE = /^avatars\d*\.githubusercontent\.com$/;
   6
   7 /* Given a avatar url, get the cache buster */
   8 module.exports = function extractGravatarVersion(avatarUrl) {
   9   try {
  10     var parsed = url.parse(avatarUrl, true, true);
  11
  12     if (GITHUB_AVATARS_HOST_RE.test(parsed.hostname)) {
  13       return parseInt(parsed.query.v, 10) || undefined;
  14     }
  15   } catch (e) {
  16     /* */
  17   }
  18 };