Extract Social Media Profiles and Emails from Web Page

extract.js

(function () {
  const links = Array.prototype.slice.call(document.getElementsByTagName("a")).filter(item => 
  ["twitter.com/", "facebook.com/", "youtube.com/", "pinterest.com/", "linkedin.com/in", ]
  ).map(item => item.href).filter(Boolean)
  const emails = extractEmails(document.getElementsByTagName('html')[0].innerHTML)

  const everything = [...links, ...emails]

  const save = function (data, filename) {
    if (!data) {
      console.error("Console.save: No data");
      return;
    }
    if (!filename) filename = "console.json";
    if (typeof data === "object") {
      data = JSON.stringify(data, undefined, 4);
    }
    var blob = new Blob([data], { type: "text/json" }),
      a = document.createElement("a");
    var e = new MouseEvent("click", {
      view: window,
      bubbles: true,
      cancelable: false,
    });
    a.download = filename;
    a.href = window.URL.createObjectURL(blob);
    a.dataset.downloadurl = ["text/json", a.download, a.href].join(":");
    a.dispatchEvent(e);
  };

  save(everything, document.title);
})();