BlueSky Dynamic Translation Display

Insert the translation result into the previous sibling element of the parent element when the translate button is clicked.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         BlueSky Dynamic Translation Display
// @namespace    http://tampermonkey.net/
// @version      3.0
// @description  Insert the translation result into the previous sibling element of the parent element when the translate button is clicked.
// @author       littelsix
// @match        https://bsky.app/*
// @grant        none
// ==/UserScript==

(function () {
    'use strict';

    console.log('Script loaded successfully!');

    const supportedLanguages = {
        'zh-CN': '中文',
        'en': 'English',
        'es': 'Español',
        'fr': 'Français',
        'de': 'Deutsch',
        'ja': '日本語'
    };

    function detectDefaultLanguage() {
        const browserLanguage = navigator.language || navigator.languages[0];
        console.log(`Detected browser language:${browserLanguage}`);
        return supportedLanguages[browserLanguage] ? browserLanguage : 'zh-CN';
    }

    let userLanguage = localStorage.getItem('bsky-translate-language') || detectDefaultLanguage();

    async function translateText(text, targetLang = 'zh-CN') {
        const apiUrl = `https://translate.googleapis.com/translate_a/single?client=gtx&sl=auto&tl=${targetLang}&dt=t&q=${encodeURIComponent(text)}`;
        try {
            const response = await fetch(apiUrl);
            if (!response.ok) {
                throw new Error(`HTTP error:${response.status}`);
            }
            const result = await response.json();
            return result[0].map(segment => segment[0]).join('');
        } catch (error) {
            console.error(`Translation failed:${error.message || 'Unable to connect to the translation service. Please try again later'}`);
            throw error;
        }
    }

    function ensureTranslationContainer(referenceElement) {
        let translationDiv = referenceElement.querySelector('.translated-text');
        if (!translationDiv) {
            translationDiv = document.createElement('div');
            translationDiv.className = 'css-146c3p1 translated-text';
            translationDiv.style.color = 'rgb(16, 131, 254)';
            translationDiv.style.marginTop = '10px';
            translationDiv.textContent = 'Translation results will appear here';
            referenceElement.appendChild(translationDiv);
        }
        return translationDiv;
    }

    function createLanguageSelector(button) {
        let languageSelector = button.parentElement.querySelector('.language-selector');
        if (!languageSelector) {
            languageSelector = document.createElement('select');
            languageSelector.className = 'language-selector';
            languageSelector.style.marginLeft = '10px';
            languageSelector.style.border = '1px solid #ccc';
            languageSelector.style.borderRadius = '4px';
            languageSelector.style.padding = '2px';

            for (const [code, name] of Object.entries(supportedLanguages)) {
                const option = document.createElement('option');
                option.value = code;
                option.textContent = name;
                if (code === userLanguage) {
                    option.selected = true;
                }
                languageSelector.appendChild(option);
            }

            languageSelector.addEventListener('change', (event) => {
                userLanguage = event.target.value;
                localStorage.setItem('bsky-translate-language', userLanguage);
                console.log(`Language switched to:${supportedLanguages[userLanguage]}`);
            });

            button.parentElement.appendChild(languageSelector);
        }
    }

    function bindTranslateButtons() {
        const translateButtons = document.querySelectorAll('a[href*="https://translate.google.com"]');
        console.log(`Found ${translateButtons.length} translate buttons.`);

        translateButtons.forEach(button => {
            if (!button.dataset.bound) {
                button.dataset.bound = true;

                createLanguageSelector(button);

                button.addEventListener('click', async (event) => {
                    event.preventDefault();
                    event.stopPropagation();
                    console.log('Translate button clicked!');

                    const parentElement = button.parentElement.parentElement;
                    if (!parentElement) {
                        console.error('Parent element not found。');
                        return;
                    }

                    const postTextDiv = parentElement.previousElementSibling;
                    if (!postTextDiv) {
                        console.error('Previous sibling element not found, unable to translate.');
                        return;
                    }

                    const textToTranslate = postTextDiv.textContent.trim();
                    if (!textToTranslate) {
                        console.error('Text is empty, unable to translate.');
                        return;
                    }

                    const translationDiv = ensureTranslationContainer(postTextDiv);

                    translationDiv.textContent = 'Translating...';
                    try {
                        const translatedText = await translateText(textToTranslate, userLanguage);
                        console.log(`Original text:${textToTranslate}`);
                        console.log(`Translation result:${translatedText}`);
                        translationDiv.textContent = translatedText;
                        translationDiv.dataset.translated = 'true';
                    } catch (error) {
                        translationDiv.textContent = 'Translation failed, please try again later.。';
                        console.error('Translation failed. Check console logs for details.');
                    }
                });
            }
        });
    }

    bindTranslateButtons();

    const observer = new MutationObserver(() => {
        bindTranslateButtons();
    });

    const targetNode = document.body;
    const config = { childList: true, subtree: true };
    observer.observe(targetNode, config);
})();