select links on dropbox.com

dropbox-selectlink.js

// @name        dropbox selectlink
// @description select links on dropbox.com
// @version     2016.10.30.0
// @homepage    https://gist.github.com/noromanba/d007fd37daa55a12681db7c7cd800b8e
// @license     MIT License https://nrm.mit-license.org/2016
// @author      noromanba   http://noromanba.flavors.me

(() => {
  'use strict';
  //*/
  // if `Array.from` is *NOT* native, in some cases ignoring 2nd map-func e.g.
  //  https://www.dropbox.com/sh/[<DIR_HASH>]/<HASH>/<FILE_NAME>
  //      Prototype.Version
  //      "1.7"
  //
  //      Array.from
  //      function $A(e){if(!e)return[];if("toArray"in Object(e))return e.toArray();for(var t=e.length||0,n=new Array(t);t--;)n[t]=e[t];return n}
  // so always return raw array c.f.
  //  http://api.prototypejs.org/language/Array/from/
  //      Array.from(iterable) → Array
  //  https://github.com/sstephenson/prototype/blob/5fddd3e/src/prototype/lang/array.js#L104
  //      Array.from = $A;
  // WTF, Global Object Pollution must die
  //
  // recovering native methods c.f.
  // https://stackoverflow.com/questions/8580431/recovering-built-in-methods-that-have-been-overwritten#8580576
  if (!Array.from.toString().includes('[native code]')) {
    const sandbox = document.head.appendChild(document.createElement('iframe'));
    Array.from = sandbox.contentWindow.Array.from;
  }

  const urls = Array.from(document.body.querySelectorAll([
    `a[href^="${location.origin + location.pathname.split('/').slice(0, 3).join('/')}"]`
  ]), link => {
    const url = new URL(link.href);
    url.search = '';

    return url.href;
  });
  /*/
  // Global Object Pollution safe; not use 2nd args
  const urls = Array.from(document.body.querySelectorAll([
    `a[href^="${location.origin + location.pathname.split('/').slice(0, 3).join('/')}"]`
  ])).map(link => {
    const url = new URL(link.href);
    url.search = '';

    return url.href;
  });
  //*/

  console && console.dir && console.dir(urls.join(' '));
  return urls.join(' ');
})();