refactor: 删除原有latex渲染相关的js

assets/custom.js

@@ -17,13 +17,11 @@ var chatbotWrap = null;
 var apSwitch = null;
 var empty_botton = null;
 var messageBotDivs = null;
-// var renderLatex = null;
 var loginUserForm = null;
 var logginUser = null;
 
 var userLogged = false;
 var usernameGotten = false;
-var shouldRenderLatex = false;
 var historyLoaded = false;
 
 var ga = document.getElementsByTagName("gradio-app");
@@ -51,7 +49,6 @@ function gradioLoaded(mutations) {
             chatbot = document.querySelector('#chuanhu_chatbot');
             chatbotWrap = document.querySelector('#chuanhu_chatbot > .wrap');
             apSwitch = document.querySelector('.apSwitch input[type="checkbox"]');
-            // renderLatex = document.querySelector("#render_latex_checkbox > label > input");
             empty_botton = document.getElementById("empty_btn")
 
             if (loginUserForm) {
@@ -80,10 +77,6 @@ function gradioLoaded(mutations) {
                 }
                 setChatbotScroll();
             }
-            // if (renderLatex) {  // renderLatex 加载出来了没?
-            //     shouldRenderLatex = renderLatex.checked;
-            //     updateMathJax();
-            // }
             if (empty_botton) {
                 emptyHistory();
             }
@@ -390,70 +383,15 @@ function removeMarkdownText(message) {
     if (mdDiv) mdDiv.classList.add('hideM');
 }
 
-var rendertime = 0; // for debugging
-var mathjaxUpdated = false;
-
-function renderMathJax() {
-    messageBotDivs = document.querySelectorAll('.message.bot .md-message');
-    for (var i = 0; i < messageBotDivs.length; i++) {
-        var mathJaxSpan = messageBotDivs[i].querySelector('.MathJax_Preview');
-        if (!mathJaxSpan && shouldRenderLatex && !mathjaxUpdated) {
-            MathJax.Hub.Queue(["Typeset", MathJax.Hub, messageBotDivs[i]]);
-            rendertime +=1; // for debugging
-            // console.log("renderingMathJax", i)
-        }
-    }
-    mathjaxUpdated = true;
-    // console.log("MathJax Rendered")
-}
-
-function removeMathjax() {
-    // var jax = MathJax.Hub.getAllJax();
-    // for (var i = 0; i < jax.length; i++) {
-    //     // MathJax.typesetClear(jax[i]);
-    //     jax[i].Text(newmath)
-    //     jax[i].Reprocess()
-    // }
-    // 我真的不会了啊啊啊，mathjax并没有提供转换为原先文本的办法。
-    mathjaxUpdated = true;
-    // console.log("MathJax removed!");
-}
-
-function updateMathJax() {
-    // renderLatex.addEventListener("change", function() {
-    //     shouldRenderLatex = renderLatex.checked;
-    //     if (!mathjaxUpdated) {
-    //         if (shouldRenderLatex) {
-    //             renderMathJax();
-    //         } else {
-    //             console.log("MathJax Disabled")
-    //             removeMathjax();
-    //         }
-    //     } else {
-    //         if (!shouldRenderLatex) {
-    //             mathjaxUpdated = false; // reset
-    //         }
-    //     }
-    // });
-    if (shouldRenderLatex && !mathjaxUpdated) {
-        renderMathJax();
-    }
-    mathjaxUpdated = false;
-}
-
 let timeoutId;
 let isThrottled = false;
 var mmutation
-// 监听所有元素中 bot message 的变化，用来查找需要渲染的mathjax, 并为 bot 消息添加复制按钮。
+// 监听所有元素中 bot message 的变化，为 bot 消息添加复制按钮。
 var mObserver = new MutationObserver(function (mutationsList) {
     for (mmutation of mutationsList) {
         if (mmutation.type === 'childList') {
             for (var node of mmutation.addedNodes) {
                 if (node.nodeType === 1 && node.classList.contains('message') && node.getAttribute('data-testid') === 'bot') {
-                    if (shouldRenderLatex) {
-                        renderMathJax();
-                        mathjaxUpdated = false;
-                    }
                     saveHistoryHtml();
                     document.querySelectorAll('#chuanhu_chatbot>.wrap>.message-wrap .message.bot').forEach(addChuanhuButton);
                 }
@@ -463,10 +401,6 @@ var mObserver = new MutationObserver(function (mutationsList) {
             }
             for (var node of mmutation.removedNodes) {
                 if (node.nodeType === 1 && node.classList.contains('message') && node.getAttribute('data-testid') === 'bot') {
-                    if (shouldRenderLatex) {
-                        renderMathJax();
-                        mathjaxUpdated = false;
-                    }
                     saveHistoryHtml();
                     document.querySelectorAll('#chuanhu_chatbot>.wrap>.message-wrap .message.bot').forEach(addChuanhuButton);
                 }
@@ -478,10 +412,6 @@ var mObserver = new MutationObserver(function (mutationsList) {
                 clearTimeout(timeoutId);
                 timeoutId = setTimeout(() => {
                     isThrottled = false;
-                    if (shouldRenderLatex) {
-                        renderMathJax();
-                        mathjaxUpdated = false;
-                    }
                     document.querySelectorAll('#chuanhu_chatbot>.wrap>.message-wrap .message.bot').forEach(addChuanhuButton);
                     saveHistoryHtml();
                 }, 500);
@@ -556,7 +486,6 @@ observer.observe(targetNode, { childList: true, subtree: true });
 window.addEventListener("DOMContentLoaded", function () {
     isInIframe = (window.self !== window.top);
     historyLoaded = false;
-    shouldRenderLatex = !!document.querySelector('script[src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js?config=TeX-MML-AM_CHTML"]');
 });
 window.addEventListener('resize', setChatbotHeight);
 window.addEventListener('scroll', setChatbotHeight);