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reddit context menu options

Adds links for reddit-stream, snoopsnoo, and "copy link with context" to reddit

  1. // ==UserScript==
  2. // @name        reddit context menu options
  3. // @description Adds links for reddit-stream, snoopsnoo, and "copy link with context" to reddit
  4. // @namespace   org.stevenhoward
  5. // @include     https://www.reddit.com/*
  6. // @version     1
  7. // @grant       GM_setClipboard
  8. // ==/UserScript==
  9. // jshint esversion: 6
  10.  
  11. function createMenu (parent, actions) {
  12.     function randomId() {
  13.         return Math.random().toString(36).replace(/[^a-z]+/g, '');
  14.     }
  15.  
  16.     let id = randomId();
  17.  
  18.     let menu = document.createElement('menu');
  19.     menu.id = id;
  20.     menu.type = 'context';
  21.     
  22.     for (let action in actions) {
  23.         let item = document.createElement('menuItem');
  24.         item.label = action;
  25.         item.onclick = actions[action];
  26.  
  27.         menu.appendChild(item);
  28.     }
  29.  
  30.     parent.parentNode.appendChild(menu);
  31.     parent.setAttribute('contextMenu', id);
  32. }
  33.  
  34. function attachRedditStreamCommand(thing) {
  35.     let streamLink = thing.href.replace(/reddit/, 'reddit-stream');
  36.     createMenu(thing, {
  37.         'open in reddit-stream': () => window.location = streamLink,
  38.         'open in reddit-stream (new tab)': () => window.open(streamLink)
  39.     });
  40. }
  41.  
  42. function attachCopyContextCommand(thing) {
  43.     let contextLink = thing.href + '?context=3';
  44.     createMenu(thing, { 'Copy link with context': () => GM_setClipboard(contextLink) });
  45. }
  46.  
  47. function attachSnoopSnooCommand(thing) {
  48.     let user = thing.href.match('[^/]+$');
  49.     if (user) {
  50.         user = user[0];
  51.         let snoopUrl = `http://snoopsnoo.com/u/${user}`;
  52.         createMenu(thing, { 'SnoopSnoo': () => window.open(snoopUrl) });
  53.     }
  54. }
  55.  
  56. function findAndAttach(attachFn, selector, childSelector) {
  57.     for (let node of document.querySelectorAll(selector)) {
  58.         attachFn(node);
  59.     }
  60. }
  61.  
  62. findAndAttach(attachRedditStreamCommand, '.link a.title');
  63. findAndAttach(attachCopyContextCommand, '.comment .bylink');
  64. findAndAttach(attachSnoopSnooCommand, 'a.author, a[href^="/u/"]');