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// ==UserScript==

// @name GitHub Internationalization

// @name:zh-CN GitHub汉化插件

// @name:ja GitHub日本語

// @namespace https://github.com/k1995/github-i18n-plugin/

// @version 0.32

// @description Translate GitHub.com

// @description:zh GitHub汉化插件，包含人机翻译

// @description:zh-CN GitHub汉化插件，包含人机翻译

// @description:ja GitHub日本語プラグイン

// @author k1995

// @match https://github.com/*

// @match https://gist.github.com/*

// @grant GM_xmlhttpRequest

// @grant GM_getResourceText

// @resource zh-CN https://cdn.jsdelivr.net/gh/k1995/github-i18n-plugin@refs/heads/master/locales/zh-CN.json

// @resource ja https://cdn.jsdelivr.net/gh/k1995/github-i18n-plugin@refs/heads/master/locales/ja.json

// @require https://cdnjs.cloudflare.com/ajax/libs/timeago.js/4.0.2/timeago.min.js

// @require https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js

// @license MIT

// ==/UserScript==

(function() {

'use strict';

const SUPPORT_LANG = ["zh-CN", "ja"];

const lang = (navigator.language || navigator.userLanguage);

const locales = getLocales(lang)

translateByCssSelector();

translateTime();

traverseElement(document.body);

watchUpdate();

// 翻译描述

if(window.location.pathname.split('/').length == 3) {

translateDesc(".repository-content .f4"); //仓库简介翻译

// translateDesc(".gist-content [itemprop='about']"); // Gist 简介翻译

}

function getLocales(lang) {

if(lang.startsWith("zh")) { // zh zh-TW --> zh-CN

lang = "zh-CN";

}

if(SUPPORT_LANG.includes(lang)) {

return JSON.parse(GM_getResourceText(lang));

}

return {

css: [],

dict: {}

};

}

function translateRelativeTimeEl(el) {

const datetime = $(el).attr('datetime');

let humanTime = timeago.format(datetime, lang.replace('-', '_'));

if(el.shadowRoot) {

el.shadowRoot.textContent = humanTime;

} else {

el.textContent = humanTime;

}

}

function translateElement(el) {

// Get the text field name

let k;

if(el.tagName === "INPUT") {

if (el.type === 'button' || el.type === 'submit') {

k = 'value';

} else {

k = 'placeholder';

}

} else {

k = 'data';

}

if (isNaN(el[k])){

const txtSrc = el[k].trim();

const key = txtSrc.toLowerCase()

.replace(/\xa0/g, ' ') // replace ' '

.replace(/\s{2,}/g, ' ');

if (locales.dict[key]) {

el[k] = el[k].replace(txtSrc, locales.dict[key])

}

}

translateElementAriaLabel(el)

}

function translateElementAriaLabel(el) {

if (el.ariaLabel) {

const k = 'ariaLabel'

const txtSrc = el[k].trim();

const key = txtSrc.toLowerCase()

.replace(/\xa0/g, ' ') // replace ' '

.replace(/\s{2,}/g, ' ');

if (locales.dict[key]) {

el[k] = el[k].replace(txtSrc, locales.dict[key])

}

}

}

function shouldTranslateEl(el) {

const blockIds = [

"readme",

"file-name-editor-breadcrumb", "StickyHeader", "sticky-file-name-id", "sticky-breadcrumb" // fix repo详情页文件路径breadcrumb

];

const blockClass = [

"CodeMirror",

"js-navigation-container", // 过滤文件目录

"blob-code",

"topic-tag", // 过滤标签,

// "text-normal", // 过滤repo name, 复现：https://github.com/search?q=explore

"repo-list",//过滤搜索结果项目,解决"text-normal"导致的有些文字不翻译的问题,搜索结果以后可以考虑单独翻译

"js-path-segment","final-path", "react-tree-show-tree-items", //过滤目录,文件位置栏

"markdown-body", // 过滤wiki页面,

"search-input-container", //搜索框

"search-match", //fix搜索结果页,repo name被翻译

"cm-editor", "react-code-lines", //代码编辑框

"PRIVATE_TreeView-item", // 文件树

"repo", // 项目名称

"GlobalNav"

];

const blockTags = ["CODE", "SCRIPT", "LINK", "IMG", "svg", "TABLE", "PRE"];

const blockItemprops = ["name"];

if (blockTags.includes(el.tagName)) {

return false;

}

if (el.id && blockIds.includes(el.id)) {

return false;

}

if (el.classList) {

for (let clazz of blockClass) {

if (el.classList.contains(clazz)) {

return false;

}

}

}

if (el.getAttribute) {

let itemprops = el.getAttribute("itemprop");

if (itemprops) {

itemprops = itemprops.split(" ");

for (let itemprop of itemprops) {

if (blockItemprops.includes(itemprop)) {

return false;

}

}

}

}

return true;

}

function traverseElement(el) {

translateElementAriaLabel(el)

if (!shouldTranslateEl(el)) {

return

}

if (el.childNodes.length === 0) {

if (el.nodeType === Node.TEXT_NODE) {

translateElement(el);

return;

}

else if(el.nodeType === Node.ELEMENT_NODE) {

if (el.tagName === "INPUT") {

translateElement(el);

return;

}

}

}

for (const child of el.childNodes) {

if (child.nodeType === Node.TEXT_NODE) {

translateElement(child);

}

else if(child.nodeType === Node.ELEMENT_NODE) {

if (child.tagName === "INPUT") {

translateElement(child);

} else {

traverseElement(child);

}

} else {

// pass

}

}

}

function watchUpdate() {

const m = window.MutationObserver || window.WebKitMutationObserver;

const observer = new m(function (mutations, observer) {

var reTrans = false;

for(let mutationRecord of mutations) {

if (mutationRecord.addedNodes || mutationRecord.type === 'attributes') {

reTrans = true;

// traverseElement(mutationRecord.target);

}

}

if(reTrans) {

traverseElement(document.body);

translateTime();

}

});

observer.observe(document.body, {

subtree: true,

characterData: true,

childList: true,

attributeFilter: ['value', 'placeholder', 'aria-label', 'data', 'data-confirm'], // 仅观察特定属性变化(试验测试阶段，有问题再恢复)

});

}

// translate "about"

function translateDesc(el) {

$(el).append("<br/>");

$(el).append("<a id='translate-me' href='#' style='color:rgb(27, 149, 224);font-size: small'>翻译</a>");

$("#translate-me").click(function() {

// get description text

const desc = $(el)

.clone()

.children()

.remove()

.end()

.text()

.trim();

if(!desc) {

return;

}

let lang = (navigator.userLanguage || navigator.language).toLowerCase();

let data_json = {

header: {

fn: "auto_translation"

},

type: "plain",

source: {

text_list: [

desc

]

},

target: {

lang: lang == "zh-cn" ? "zh" : lang

}

}

const repoId = $("meta[name=octolytics-dimension-repository_id]").attr('content');

GM_xmlhttpRequest({

method: "GET",

url: `https://gitcn.org/translate?i=${repoId}&q=` + encodeURIComponent(desc),

onload: function(rsp) {

if (rsp.status === 200) {

$("#translate-me").hide();

// render result

const text = rsp.responseText;

$(".repository-content .f4").append("<span style='font-size: small'>由 <a target='_blank' style='color:rgb(27, 149, 224);' href='https://gitcn.org'>GitHub中文社区</a> 翻译👇</span>");

$(".repository-content .f4").append("<br/>");

$(".repository-content .f4").append(text);

} else {

console.error("仓库描述翻译失败:", rsp)

alert("翻译失败");

}

}

});

});

}

function translateByCssSelector() {

if(locales.css) {

for(var css of locales.css) {

if($(css.selector).length > 0) {

if(css.key === '!html') {

$(css.selector).html(css.replacement);

} else {

$(css.selector).attr(css.key, css.replacement);

}

}

}

}

}

function translateTime() {

$("relative-time").each(function() {

translateRelativeTimeEl(this);

})

}

})();