oembed-auto/lib/oembed.js

make an oEmbed request with a content url

// Generated by CoffeeScript 1.6.3
(function() {
  var oembedList, request;

  oembedList = require("./oembedList");

  request = require("request");

  module.exports = function(str, callback) {
    var oembedUrl, pattern, patternMatch, re, url, urlRegEx, urls, _i, _j, _len, _len1, _ref;
    urlRegEx = /((([A-Za-z]{3,9}:(?:\/\/)?)(?:[-;:&=\+\$,\w]+@)?[A-Za-z0-9.-]+|(?:www.|[-;:&=\+\$,\w]+@)[A-Za-z0-9.-]+)((?:\/[\+~%\/.\w-_]*)?\??(?:[-\+=&;%@.\w_]*)#?(?:[\w]*))?)/;
    if ((str != null) && typeof str === "string" && urlRegEx.test(str)) {
      urls = Object.keys(oembedList);
      for (_i = 0, _len = urls.length; _i < _len; _i++) {
        url = urls[_i];
        patternMatch = false;
        _ref = oembedList[url];
        for (_j = 0, _len1 = _ref.length; _j < _len1; _j++) {
          pattern = _ref[_j];
          re = new RegExp(pattern);
          if (re.test(str)) {
            patternMatch = true;
            break;
          }
        }
        if (patternMatch) {
          oembedUrl = "" + url + "?url=" + (escape(str)) + "&format=json";
          break;
        }
      }
      if (oembedUrl != null) {
        return request(oembedUrl, function(err, res, body) {
          if (err) {
            return typeof callback === "function" ? callback(err) : void 0;
          } else {
            if (res.statusCode === 200) {
              body = JSON.parse(unescape(body));
              return typeof callback === "function" ? callback(err, body) : void 0;
            } else {
              return typeof callback === "function" ? callback(new Error("request could not be made. ERROR: " + res.statusCode)) : void 0;
            }
          }
        });
      } else {
        return typeof callback === "function" ? callback(new Error("given url is not supported by oembed-auto")) : void 0;
      }
    } else {
      return typeof callback === "function" ? callback(new Error("given url is not a valid url")) : void 0;
    }
  };

}).call(this);