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Show Amazon Questions button + context menu

Creates a "Show questions" button next to the "answered questions" text, if any. Once pressed it opens a new tab of the questions.

当前为 2023-12-13 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name     Show Amazon Questions button + context menu
  3. // @author   u/iNeedAProperAccount
  4. // @description Creates a "Show questions" button next to the "answered questions" text, if any. Once pressed it opens a new tab of the questions.
  5. //              It also creates a "Open questions tab" context menu entry.
  6. //              Thanks to u/CaptSkinny, u/lilgeeky, u/Sanpete_in_Utah and u/TTum.
  7. //              How it looks like:
  8. //              https://i.imgur.com/9vGioai.png
  9. //              https://i.imgur.com/GHmUuEM.png
  10. //              Original thread at: https://old.reddit.com/r/AmazonVine/comments/14aynxt/are_product_question_and_answer_sections_gone/
  11. // @version  0.3
  12. // @license  MIT
  13. // @match    *://*.amazon.com/*
  14. // @match    *://*.amazon.ca/*
  15. // @match    *://*.amazon.com.mx/*
  16. // @match    *://*.amazon.co.uk/*
  17. // @match    *://*.amazon.fr/*
  18. // @match    *://*.amazon.de/*
  19. // @match    *://*.amazon.es/*
  20. // @match    *://*.amazon.it/*
  21. // @match    *://*.amazon.nl/*
  22. // @match    *://*.amazon.be/*
  23. // @match    *://*.amazon.se/*
  24. // @match    *://*.amazon.pl/*
  25. // @match    *://*.amazon.com.tr/*
  26. // @match    *://*.amazon.ae/*
  27. // @match    *://*.amazon.sa/*
  28. // @match    *://*.amazon.co.jp/*
  29. // @match    *://*.amazon.in/*
  30. // @match    *://*.amazon.sg/*
  31. // @match    *://*.amazon.com.au/*
  32. // @match    *://*.amazon.com.br/*
  33. // @icon     https://www.google.com/s2/favicons?sz=64&domain=amazon.ca
  34. // @grant    GM_registerMenuCommand
  35. // @namespace https://gf.qytechs.cn/users/877912
  36. // ==/UserScript==
  37.  
  38. const REVIEW_DIV_SELECTOR = "div#averageCustomerReviews_feature_div.celwidget > div#averageCustomerReviews";
  39. const REGEX_PATTERN = "^(http[s]?://[^/]+)/(?:.+?/)?(?:dp|gp/product|asin)/(?:.+?/)?([a-zA-Z0-9]{10})(?:[/?]|$)";
  40.  
  41. function getQuestionsUrl() {
  42.     try {
  43.         const url = document.URL;
  44.         const regex = new RegExp(REGEX_PATTERN, "i");
  45.         const matches = url.match(regex);
  46.  
  47.         if (matches) {
  48.             const scheme_and_host = matches[1];
  49.             const asin = matches[2];
  50.             if (scheme_and_host && asin) {
  51.                 return `${scheme_and_host}/ask/questions/asin/${asin}`;
  52.             }
  53.         }
  54.     } catch (error) {
  55.         console.error("Error in getQuestionsUrl:", error);
  56.     }
  57. }
  58.  
  59. function contextOpenQuestionsTab() {
  60.     try {
  61.         const questions_url = getQuestionsUrl();
  62.         if (questions_url) {
  63.             window.open(questions_url, '_blank');
  64.         }
  65.     } catch (error) {
  66.         console.error("Error in contextOpenQuestionsTab:", error);
  67.     }
  68. }
  69.  
  70. function openQuestionsTab() {
  71.     try {
  72.         const questions_url = getQuestionsUrl();
  73.  
  74.         if (questions_url) {
  75.             const reviewDiv = document.querySelector(REVIEW_DIV_SELECTOR);
  76.  
  77.             if (reviewDiv) {
  78.                 const button = document.createElement("button");
  79.                 button.innerHTML = "Show Questions";
  80.                 button.style.margin = '0.2rem';
  81.                 button.addEventListener("click", function () {
  82.                     window.open(questions_url, '_blank');
  83.                 });
  84.  
  85.                 reviewDiv.parentNode.insertBefore(button, reviewDiv.nextSibling);
  86.  
  87.                 GM_registerMenuCommand("Open Questions tab", contextOpenQuestionsTab, "a");
  88.             }
  89.         }
  90.     } catch (error) {
  91.         console.error("Error in openQuestionsTab:", error);
  92.     }
  93. }
  94.  
  95. const observer = new MutationObserver(function (mutations) {
  96.     try {
  97.         mutations.forEach(function (mutation) {
  98.             if (mutation.type === 'childList' && mutation.addedNodes.length > 0) {
  99.                 for (let i = 0; i < mutation.addedNodes.length; i++) {
  100.                     const addedNode = mutation.addedNodes[i];
  101.                     if (addedNode.nodeType === 1 && addedNode.matches && addedNode.matches(REVIEW_DIV_SELECTOR)) {
  102.                         openQuestionsTab();
  103.                         break;
  104.                     }
  105.                 }
  106.             }
  107.         });
  108.     } catch (error) {
  109.         console.error("Error in MutationObserver:", error);
  110.     }
  111. });
  112.  
  113. const observerConfig = {
  114.     childList: true,
  115.     subtree: true
  116. };
  117.  
  118. try {
  119.     observer.observe(document.body, observerConfig);
  120.     openQuestionsTab();
  121. } catch (error) {
  122.     console.error("Error in script initialization:", error);
  123. }

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