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[BROKEN] Show Amazon Questions button + context menu

Creates a "Show questions" button for Amazon. Once clicked it opens a new tab of the questions.

Встановити цей скрипт?
Скрипт запропонований Автором

Вам також може сподобатись Keyboard shortcut for switching between Chat GPT 4o mini and Chat GPT 4o.

Встановити цей скрипт 
// ==UserScript==
// @name     [BROKEN] Show Amazon Questions button + context menu
// @author   u/iNeedAProperAccount
// @description Creates a "Show questions" button for Amazon. Once clicked it opens a new tab of the questions.
//              It also creates an "Open Questions tab" context menu entry, which also when clicked opens a new tab of the questions.
//              Thanks to u/CaptSkinny, u/lilgeeky, u/Sanpete_in_Utah and u/TTum.
//              How it looks like:
//              https://i.imgur.com/mZSLDun.png
//              https://i.imgur.com/GHmUuEM.png
//              Original thread at: https://old.reddit.com/r/AmazonVine/comments/14aynxt/are_product_question_and_answer_sections_gone/
// @version  0.6
// @license  MIT
// @match    *://*.amazon.com/*
// @match    *://*.amazon.ca/*
// @match    *://*.amazon.com.mx/*
// @match    *://*.amazon.co.uk/*
// @match    *://*.amazon.fr/*
// @match    *://*.amazon.de/*
// @match    *://*.amazon.es/*
// @match    *://*.amazon.it/*
// @match    *://*.amazon.nl/*
// @match    *://*.amazon.se/*
// @match    *://*.amazon.pl/*
// @match    *://*.amazon.com.tr/*
// @match    *://*.amazon.ae/*
// @match    *://*.amazon.sa/*
// @match    *://*.amazon.co.jp/*
// @match    *://*.amazon.in/*
// @match    *://*.amazon.sg/*
// @match    *://*.amazon.com.au/*
// @match    *://*.amazon.com.br/*
// @icon     https://www.google.com/s2/favicons?sz=64&domain=amazon.ca
// @grant    GM_registerMenuCommand
// @namespace https://greasyfork.org/users/877912
// ==/UserScript==

const PRODUCT_TITLE_SELECTOR = "span#productTitle";
const REGEX_PATTERN = "^(http[s]?://[^/]+)/(?:.+?/)?(?:dp|gp/product|asin)/(?:.+?/)?([a-zA-Z0-9]{10})(?:[/?]|$)";

function getQuestionsUrl() {
    try {
        const url = document.URL;
        const regex = new RegExp(REGEX_PATTERN, "i");
        const matches = url.match(regex);

        if (matches) {
            const scheme_and_host = matches[1];
            const asin = matches[2];
            if (scheme_and_host && asin) {
                return `${scheme_and_host}/ask/questions/asin/${asin}`;
            }
        }
    } catch (error) {
        console.error("Error in getQuestionsUrl:", error);
    }
}

function contextOpenQuestionsTab() {
    try {
        const questions_url = getQuestionsUrl();
        if (questions_url) {
            window.open(questions_url, '_blank');
        }
    } catch (error) {
        console.error("Error in contextOpenQuestionsTab:", error);
    }
}

function openQuestionsTab() {
    try {
        const questions_url = getQuestionsUrl();

        if (questions_url) {
            const productTitle = document.querySelector(PRODUCT_TITLE_SELECTOR);

            if (productTitle) {
                const button = document.createElement("button");
                button.innerHTML = "Show Questions";
                button.style.margin = '0.2rem 0.2rem 0.2rem 0rem';
                button.style.fontSize = '0.9rem';
                button.addEventListener("click", function () {
                    window.open(questions_url, '_blank');
                });

                const brElement = document.createElement("br");
                productTitle.parentNode.insertBefore(brElement, productTitle.nextSibling);

                productTitle.parentNode.insertBefore(button, brElement.nextSibling);

                const brAfter = document.createElement("br");
                productTitle.parentNode.insertBefore(brAfter, button.nextSibling);

                GM_registerMenuCommand("Open Questions tab", contextOpenQuestionsTab, "a");
            }
        }
    } catch (error) {
        console.error("Error in openQuestionsTab:", error);
    }
}

const observer = new MutationObserver(function (mutations) {
    try {
        mutations.forEach(function (mutation) {
            if (mutation.type === 'childList' && mutation.addedNodes.length > 0) {
                for (let i = 0; i < mutation.addedNodes.length; i++) {
                    const addedNode = mutation.addedNodes[i];
                    if (addedNode.nodeType === 1 && addedNode.matches && addedNode.matches(PRODUCT_TITLE_SELECTOR)) {
                        openQuestionsTab();
                        break;
                    }
                }
            }
        });
    } catch (error) {
        console.error("Error in MutationObserver:", error);
    }
});

const observerConfig = {
    childList: true,
    subtree: true
};

try {
    observer.observe(document.body, observerConfig);
    openQuestionsTab();
} catch (error) {
    console.error("Error in script initialization:", error);
}