Greasy Fork is available in English.
Auto-translate Bluesky timeline, post detail and replies – emoji-safe, viewport-aware, re-translate on “Show more”, with a floating language panel.
// ==UserScript==
// @name TransPostBSKY
// @namespace http://tampermonkey.net/
// @version 1.2
// @description Auto-translate Bluesky timeline, post detail and replies – emoji-safe, viewport-aware, re-translate on “Show more”, with a floating language panel.
// @author Ian
// @license MIT
// @match https://bsky.app/*
// @grant GM_xmlhttpRequest
// @connect translate.googleapis.com
// @require https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/js/all.min.js
// ==/UserScript==
(function () {
'use strict';
/*───────────────────────────
* CONFIG
*──────────────────────────*/
const config = {
/** 节点选择器：覆盖首页流、详情页、回帖正文 */
postSelectors: [
'main [data-testid*="postText"]', // 早期/后备 DOM
'main div[dir="auto"][data-word-wrap]' // 现行 DOM
],
targetLang: 'zh-CN',
skipLanguages: new Set(['zh-CN', 'zh-TW']),
languages: {
'zh-CN': '简体中文',
'zh-TW': '繁體中文',
en: 'English',
ja: '日本語',
ru: 'Русский',
fr: 'Français',
de: 'Deutsch'
},
concurrentRequests: 3,
translationStyle: {
color: 'inherit',
fontSize: '0.9em',
borderLeft: '2px solid #4c9aff',
padding: '0 10px',
margin: '4px 0',
whiteSpace: 'pre-wrap',
opacity: '0.8',
display: 'block',
width: '100%',
flex: '0 0 auto',
alignSelf: 'flex-start'
},
viewportPriority: { centerRadius: 200, updateInterval: 500 }
};
/*───────────────────────────
* STATE
*──────────────────────────*/
const processing = new Set();
let queue = [];
let busy = false;
const visible = new Map();
/*───────────────────────────
* HELPERS
*──────────────────────────*/
const selectorAll = config.postSelectors.join(',');
function collectNodes(root = document) {
const out = new Set();
if (root.matches?.(selectorAll)) out.add(root);
root.querySelectorAll?.(selectorAll).forEach(n => out.add(n));
return [...out].filter(n => !n.classList.contains('translation-container'));
}
async function gTranslate(text) {
return new Promise(res => {
GM_xmlhttpRequest({
method: 'GET',
url:
`https://translate.googleapis.com/translate_a/single?client=gtx&sl=auto&tl=${config.targetLang}` +
`&dt=t&q=${encodeURIComponent(text)}`,
onload: r => {
try {
const j = JSON.parse(r.responseText);
res({ tr: j[0].map(i => i[0]).join('').trim(), src: (j[2] || '').toLowerCase() });
} catch {
res({ tr: text, src: '' });
}
},
onerror: () => res({ tr: text, src: '' })
});
});
}
function extractText(node) {
const clone = node.cloneNode(true);
clone.querySelectorAll('a, button').forEach(el => {
if (!/[\p{Extended_Pictographic}\p{Emoji_Component}]/u.test(el.innerHTML)) el.remove();
});
clone.innerHTML = clone.innerHTML.replace(/<br\s*\/?>/gi, '\n');
return clone.textContent.replace(/[\u00A0\u200B]+/g, ' ').trim();
}
function makeBox() {
const div = document.createElement('div');
div.className = 'translation-container';
Object.assign(div.style, config.translationStyle);
div.innerHTML = '<div class="loading-spinner"></div>';
return div;
}
/*───────────────────────────
* CORE PIPELINE
*──────────────────────────*/
function handle(node) {
if (processing.has(node) || node.dataset.trDone) return;
processing.add(node);
node.dataset.trDone = 1;
const raw = extractText(node);
if (!raw) return processing.delete(node);
node.dataset.raw = raw;
node.after(makeBox());
const req = { node, text: raw };
(distance(node) < config.viewportPriority.centerRadius ? queue.unshift(req) : queue.push(req));
watchNode(node);
runQueue();
}
function watchNode(node) {
if (node.dataset.trObs) return;
node.dataset.trObs = 1;
new MutationObserver(() => {
const cur = extractText(node);
if (!cur || cur === node.dataset.raw) return;
node.dataset.raw = cur;
node.nextElementSibling.innerHTML = '<div class="loading-spinner"></div>';
queue.unshift({ node, text: cur });
runQueue();
}).observe(node, { childList: true, characterData: true, subtree: true });
}
async function runQueue() {
if (busy || !queue.length) return;
busy = true;
queue.sort((a, b) => distance(a.node) - distance(b.node));
const batch = queue.splice(0, config.concurrentRequests);
await Promise.all(
batch.map(async ({ node, text }) => {
try {
const { tr, src } = await gTranslate(text);
node.nextElementSibling.innerHTML =
src === config.targetLang.toLowerCase() || config.skipLanguages.has(src)
? ''
: tr.replace(/\n/g, '<br>');
} catch {
node.nextElementSibling.innerHTML = '<span style="color:red">翻译失败</span>';
} finally {
processing.delete(node);
}
})
);
busy = false;
queue.length && runQueue();
}
/*───────────────────────────
* VIEWPORT LOGIC
*──────────────────────────*/
function center(el) {
const r = el.getBoundingClientRect();
return { x: r.left + r.width / 2, y: r.top + r.height / 2 };
}
function distance(el) {
const c = visible.get(el) || center(el);
return Math.hypot(innerWidth / 2 - c.x, innerHeight / 2 - c.y);
}
function trackViewport() {
const update = () =>
collectNodes().forEach(n => {
const r = n.getBoundingClientRect();
r.top < innerHeight && r.bottom > 0 ? visible.set(n, center(n)) : visible.delete(n);
});
addEventListener('scroll', () => requestAnimationFrame(update), { passive: true });
setInterval(update, config.viewportPriority.updateInterval);
}
/*───────────────────────────
* DOM OBSERVERS & SCANS
*──────────────────────────*/
function scan(root = document) {
collectNodes(root).forEach(handle);
}
function observeDOM() {
new MutationObserver(ms => ms.forEach(m => m.addedNodes.forEach(n => scan(n))))
.observe(document, { childList: true, subtree: true });
}
/*───────────────────────────
* CONTROL PANEL
*──────────────────────────*/
function initPanel() {
const panelHTML = `
<div id="trans-panel">
<div id="trans-icon"><i class="fa-solid fa-language"></i></div>
<div id="trans-menu">
<div class="menu-title">Target language</div>
${Object.entries(config.languages)
.map(
([code, name]) =>
`<div class="lang-item target" data-lang="${code}">${name}</div>`
)
.join('')}
<hr>
<div class="menu-title">Do not translate</div>
${Object.entries(config.languages)
.map(
([code, name]) =>
`<div class="lang-item skip ${
config.skipLanguages.has(code) ? 'active' : ''
}" data-skip="${code}">${name}</div>`
)
.join('')}
</div>
</div>
`;
const style = document.createElement('style');
style.textContent = `
#trans-panel{position:fixed;bottom:20px;right:20px;z-index:9999;font-family:sans-serif}
#trans-icon{width:40px;height:40px;border-radius:50%;background:rgba(76,154,255,.9);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.3s;box-shadow:0 4px 6px rgba(0,0,0,.1)}
#trans-icon:hover{transform:scale(1.1)}
#trans-icon i{color:#fff;font-size:20px}
#trans-menu{width:200px;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-radius:12px;padding:8px 0;margin-top:10px;opacity:0;visibility:hidden;transform:translateY(10px);transition:.3s;box-shadow:0 8px 24px rgba(0,0,0,.15)}
#trans-menu.show{opacity:1;visibility:visible;transform:translateY(0)}
.menu-title{padding:6px 12px;font-weight:bold;font-size:13px}
.lang-item{padding:10px 16px;font-size:14px;cursor:pointer;transition:background .2s}
.lang-item:hover{background:rgba(76,154,255,.1)}
.lang-item.target[data-lang="${config.targetLang}"]{color:#4c9aff;font-weight:bold}
.lang-item.skip.active{background:rgba(76,154,255,.1)}
.loading-spinner{width:16px;height:16px;border:2px solid #ddd;border-top-color:#4c9aff;border-radius:50%;animation:spin 1s linear infinite;margin:5px}
@keyframes spin{to{transform:rotate(360deg)}}
.translation-container{display:block;width:100%;flex:0 0 100%}
hr{margin:8px 0;border:none;border-top:1px solid #ccc}
`;
document.head.appendChild(style);
document.body.insertAdjacentHTML('beforeend', panelHTML);
const icon = document.getElementById('trans-icon');
const menu = document.getElementById('trans-menu');
icon.addEventListener('click', e => {
e.stopPropagation();
menu.classList.toggle('show');
});
document.addEventListener('click', e => {
if (!e.target.closest('#trans-panel')) menu.classList.remove('show');
});
/** 切换目标语言 **/
document.querySelectorAll('.lang-item.target').forEach(item =>
item.addEventListener('click', function () {
config.targetLang = this.dataset.lang;
document.querySelectorAll('.lang-item.target').forEach(li => (li.style.color = ''));
this.style.color = '#4c9aff';
refreshAll();
menu.classList.remove('show');
})
);
/** 切换跳过语言 **/
document.querySelectorAll('.lang-item.skip').forEach(item =>
item.addEventListener('click', function () {
const lang = this.dataset.skip;
config.skipLanguages.has(lang)
? config.skipLanguages.delete(lang)
: config.skipLanguages.add(lang);
this.classList.toggle('active');
})
);
}
function refreshAll() {
document.querySelectorAll('.translation-container').forEach(el => el.remove());
processing.clear();
queue = [];
scan();
}
/*───────────────────────────
* INIT
*──────────────────────────*/
function init() {
initPanel();
trackViewport();
observeDOM();
scan();
setInterval(scan, 1000); // 再保险补漏
}
addEventListener('load', init);
if (document.readyState === 'complete') init();
})();