File size: 25,147 Bytes
8ba98ee
fa4087a
8ba98ee
fa4087a
 
 
 
 
 
8ba98ee
 
 
 
 
 
5cb0bc3
8ba98ee
5cb0bc3
 
 
 
 
 
 
 
 
 
8ba98ee
fa4087a
 
8ba98ee
5cb0bc3
 
 
 
 
 
 
 
 
8ba98ee
 
 
fa4087a
5cb0bc3
 
8ba98ee
 
 
 
 
5cb0bc3
8ba98ee
5cb0bc3
 
 
 
 
 
 
8ba98ee
 
 
 
 
 
 
 
5cb0bc3
 
 
8ba98ee
 
 
5cb0bc3
 
 
 
 
 
 
 
 
 
 
 
 
 
8ba98ee
 
 
 
 
5cb0bc3
 
 
 
 
 
 
 
 
 
 
8ba98ee
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
fa4087a
 
8ba98ee
fa4087a
8ba98ee
 
 
 
5cb0bc3
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
8ba98ee
 
 
 
 
 
fa4087a
8ba98ee
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
5cb0bc3
8ba98ee
 
 
 
5cb0bc3
8ba98ee
 
 
 
 
 
 
 
 
 
 
 
fa4087a
8ba98ee
 
 
 
 
 
 
 
 
 
 
fa4087a
8ba98ee
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
5cb0bc3
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
8ba98ee
 
 
 
 
 
 
 
 
 
5cb0bc3
 
8ba98ee
 
 
5cb0bc3
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608

// custom javascript here

const MAX_HISTORY_LENGTH = 32;

var key_down_history = [];
var currentIndex = -1;
var user_input_ta;

var gradioContainer = null;
var user_input_ta = null;
var user_input_tb = null;
var userInfoDiv = null;
var appTitleDiv = null;
var chatbot = null;
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");
var targetNode = ga[0];
var isInIframe = (window.self !== window.top);
var language = navigator.language.slice(0,2);

var forView_i18n = {
    'zh': "仅供查看",
    'en': "For viewing only",
    'ja': "閲覧専用",
    'fr': "Pour consultation seulement",
    'es': "Solo para visualización",
};

// gradio 页面加载好了么??? 我能动你的元素了么??
function gradioLoaded(mutations) {
    for (var i = 0; i < mutations.length; i++) {
        if (mutations[i].addedNodes.length) {
            loginUserForm = document.querySelector(".gradio-container > .main > .wrap > .panel > .form")
            gradioContainer = document.querySelector(".gradio-container");
            user_input_tb = document.getElementById('user_input_tb');
            userInfoDiv = document.getElementById("user_info");
            appTitleDiv = document.getElementById("app_title");
            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) {
                localStorage.setItem("userLogged", true);
                userLogged = true;
            }

            if (gradioContainer && apSwitch) {  // gradioCainter 加载出来了没?
                adjustDarkMode();
            }
            if (user_input_tb) {  // user_input_tb 加载出来了没?
                selectHistory();
            }
            if (userInfoDiv && appTitleDiv) {  // userInfoDiv 和 appTitleDiv 加载出来了没?
                if (!usernameGotten) {
                    getUserInfo();
                }
                setTimeout(showOrHideUserInfo(), 2000);
            }
            if (chatbot) {  // chatbot 加载出来了没?
                setChatbotHeight();
            }
            if (chatbotWrap) {
                if (!historyLoaded) {
                    loadHistoryHtml();
                }
                setChatbotScroll();
            }
            // if (renderLatex) {  // renderLatex 加载出来了没?
            //     shouldRenderLatex = renderLatex.checked;
            //     updateMathJax();
            // }
            if (empty_botton) {
                emptyHistory();
            }
        }
    }
}

function webLocale() {
    console.log("webLocale", language);
    if (forView_i18n.hasOwnProperty(language)) {
        var forView = forView_i18n[language];
        var forViewStyle = document.createElement('style');
        forViewStyle.innerHTML = '.wrap>.history-message>:last-child::after { content: "' + forView + '"!important; }';
        document.head.appendChild(forViewStyle);
        // console.log("added forViewStyle", forView);
    }
}

function selectHistory() {
    user_input_ta = user_input_tb.querySelector("textarea");
    if (user_input_ta) {
        observer.disconnect(); // 停止监听
        // 在 textarea 上监听 keydown 事件
        user_input_ta.addEventListener("keydown", function (event) {
            var value = user_input_ta.value.trim();
            // 判断按下的是否为方向键
            if (event.code === 'ArrowUp' || event.code === 'ArrowDown') {
                // 如果按下的是方向键,且输入框中有内容,且历史记录中没有该内容,则不执行操作
                if (value && key_down_history.indexOf(value) === -1)
                    return;
                // 对于需要响应的动作,阻止默认行为。
                event.preventDefault();
                var length = key_down_history.length;
                if (length === 0) {
                    currentIndex = -1; // 如果历史记录为空,直接将当前选中的记录重置
                    return;
                }
                if (currentIndex === -1) {
                    currentIndex = length;
                }
                if (event.code === 'ArrowUp' && currentIndex > 0) {
                    currentIndex--;
                    user_input_ta.value = key_down_history[currentIndex];
                } else if (event.code === 'ArrowDown' && currentIndex < length - 1) {
                    currentIndex++;
                    user_input_ta.value = key_down_history[currentIndex];
                }
                user_input_ta.selectionStart = user_input_ta.value.length;
                user_input_ta.selectionEnd = user_input_ta.value.length;
                const input_event = new InputEvent("input", { bubbles: true, cancelable: true });
                user_input_ta.dispatchEvent(input_event);
            } else if (event.code === "Enter") {
                if (value) {
                    currentIndex = -1;
                    if (key_down_history.indexOf(value) === -1) {
                        key_down_history.push(value);
                        if (key_down_history.length > MAX_HISTORY_LENGTH) {
                            key_down_history.shift();
                        }
                    }
                }
            }
        });
    }
}

var username = null;
function getUserInfo() {
    if (usernameGotten) {
        return;
    }
    userLogged = localStorage.getItem('userLogged');
    if (userLogged) {
        username = userInfoDiv.innerText;
        if (username) {
            if (username.includes("getting user info…")) {
                setTimeout(getUserInfo, 500);
                return;
            } else if (username === " ") {
                localStorage.removeItem("username");
                localStorage.removeItem("userLogged")
                userLogged = false;
                usernameGotten = true;
                return;
            } else {
                username = username.match(/User:\s*(.*)/)[1] || username;
                localStorage.setItem("username", username);
                usernameGotten = true;
                clearHistoryHtml();
            }
        }
    }
}

function toggleUserInfoVisibility(shouldHide) {
    if (userInfoDiv) {
        if (shouldHide) {
            userInfoDiv.classList.add("hideK");
        } else {
            userInfoDiv.classList.remove("hideK");
        }
    }
}
function showOrHideUserInfo() {
    var sendBtn = document.getElementById("submit_btn");

    // Bind mouse/touch events to show/hide user info
    appTitleDiv.addEventListener("mouseenter", function () {
        toggleUserInfoVisibility(false);
    });
    userInfoDiv.addEventListener("mouseenter", function () {
        toggleUserInfoVisibility(false);
    });
    sendBtn.addEventListener("mouseenter", function () {
        toggleUserInfoVisibility(false);
    });

    appTitleDiv.addEventListener("mouseleave", function () {
        toggleUserInfoVisibility(true);
    });
    userInfoDiv.addEventListener("mouseleave", function () {
        toggleUserInfoVisibility(true);
    });
    sendBtn.addEventListener("mouseleave", function () {
        toggleUserInfoVisibility(true);
    });

    appTitleDiv.ontouchstart = function () {
        toggleUserInfoVisibility(false);
    };
    userInfoDiv.ontouchstart = function () {
        toggleUserInfoVisibility(false);
    };
    sendBtn.ontouchstart = function () {
        toggleUserInfoVisibility(false);
    };

    appTitleDiv.ontouchend = function () {
        setTimeout(function () {
            toggleUserInfoVisibility(true);
        }, 3000);
    };
    userInfoDiv.ontouchend = function () {
        setTimeout(function () {
            toggleUserInfoVisibility(true);
        }, 3000);
    };
    sendBtn.ontouchend = function () {
        setTimeout(function () {
            toggleUserInfoVisibility(true);
        }, 3000); // Delay 1 second to hide user info
    };

    // Hide user info after 2 second
    setTimeout(function () {
        toggleUserInfoVisibility(true);
    }, 2000);
}

function toggleDarkMode(isEnabled) {
    if (isEnabled) {
        gradioContainer.classList.add("dark");
        document.body.style.setProperty("background-color", "var(--neutral-950)", "important");
    } else {
        gradioContainer.classList.remove("dark");
        document.body.style.backgroundColor = "";
    }
}
function adjustDarkMode() {
    const darkModeQuery = window.matchMedia("(prefers-color-scheme: dark)");

    // 根据当前颜色模式设置初始状态
    apSwitch.checked = darkModeQuery.matches;
    toggleDarkMode(darkModeQuery.matches);
    // 监听颜色模式变化
    darkModeQuery.addEventListener("change", (e) => {
        apSwitch.checked = e.matches;
        toggleDarkMode(e.matches);
    });
    // apSwitch = document.querySelector('.apSwitch input[type="checkbox"]');
    apSwitch.addEventListener("change", (e) => {
        toggleDarkMode(e.target.checked);
    });
}

function setChatbotHeight() {
    const screenWidth = window.innerWidth;
    const statusDisplay = document.querySelector('#status_display');
    const statusDisplayHeight = statusDisplay ? statusDisplay.offsetHeight : 0;
    const wrap = chatbot.querySelector('.wrap');
    const vh = window.innerHeight * 0.01;
    document.documentElement.style.setProperty('--vh', `${vh}px`);
    if (isInIframe) {
        chatbot.style.height = `700px`;
        wrap.style.maxHeight = `calc(700px - var(--line-sm) * 1rem - 2 * var(--block-label-margin))`
    } else {
        if (screenWidth <= 320) {
            chatbot.style.height = `calc(var(--vh, 1vh) * 100 - ${statusDisplayHeight + 150}px)`;
            wrap.style.maxHeight = `calc(var(--vh, 1vh) * 100 - ${statusDisplayHeight + 150}px - var(--line-sm) * 1rem - 2 * var(--block-label-margin))`;
        } else if (screenWidth <= 499) {
            chatbot.style.height = `calc(var(--vh, 1vh) * 100 - ${statusDisplayHeight + 100}px)`;
            wrap.style.maxHeight = `calc(var(--vh, 1vh) * 100 - ${statusDisplayHeight + 100}px - var(--line-sm) * 1rem - 2 * var(--block-label-margin))`;
        } else {
            chatbot.style.height = `calc(var(--vh, 1vh) * 100 - ${statusDisplayHeight + 160}px)`;
            wrap.style.maxHeight = `calc(var(--vh, 1vh) * 100 - ${statusDisplayHeight + 160}px - var(--line-sm) * 1rem - 2 * var(--block-label-margin))`;
        }
    }
}
function setChatbotScroll() {
    var scrollHeight = chatbotWrap.scrollHeight;
    chatbotWrap.scrollTo(0,scrollHeight)
}
var rangeInputs = null;
var numberInputs = null;
function setSlider() {
    rangeInputs = document.querySelectorAll('input[type="range"]');
    numberInputs = document.querySelectorAll('input[type="number"]')
    setSliderRange();
    rangeInputs.forEach(rangeInput => {
        rangeInput.addEventListener('input', setSliderRange);
    });
    numberInputs.forEach(numberInput => {
        numberInput.addEventListener('input', setSliderRange);
    })
}
function setSliderRange() {
    var range = document.querySelectorAll('input[type="range"]');
    range.forEach(range => {
        range.style.backgroundSize = (range.value - range.min) / (range.max - range.min) * 100 + '% 100%';
    });
}

function addChuanhuButton(botElement) {
    var rawMessage = null;
    var mdMessage = null;
    rawMessage = botElement.querySelector('.raw-message');
    mdMessage = botElement.querySelector('.md-message');
    if (!rawMessage) {
        var buttons = botElement.querySelectorAll('button.chuanhu-btn');
        for (var i = 0; i < buttons.length; i++) {
            buttons[i].parentNode.removeChild(buttons[i]);
        }
        return;
    }
    var copyButton = null;
    var toggleButton = null;
    copyButton = botElement.querySelector('button.copy-bot-btn');
    toggleButton = botElement.querySelector('button.toggle-md-btn');
    if (copyButton) copyButton.remove();
    if (toggleButton) toggleButton.remove();

    // Copy bot button
    var copyButton = document.createElement('button');
    copyButton.classList.add('chuanhu-btn');
    copyButton.classList.add('copy-bot-btn');
    copyButton.setAttribute('aria-label', 'Copy');
    copyButton.innerHTML = copyIcon;
    copyButton.addEventListener('click', () => {
        const textToCopy = rawMessage.innerText;
        navigator.clipboard
            .writeText(textToCopy)
            .then(() => {
                copyButton.innerHTML = copiedIcon;
                setTimeout(() => {
                    copyButton.innerHTML = copyIcon;
                }, 1500);
            })
            .catch(() => {
                console.error("copy failed");
            });
    });
    botElement.appendChild(copyButton);

    // Toggle button
    var toggleButton = document.createElement('button');
    toggleButton.classList.add('chuanhu-btn');
    toggleButton.classList.add('toggle-md-btn');
    toggleButton.setAttribute('aria-label', 'Toggle');
    var renderMarkdown = mdMessage.classList.contains('hideM');
    toggleButton.innerHTML = renderMarkdown ? mdIcon : rawIcon;
    toggleButton.addEventListener('click', () => {
        renderMarkdown = mdMessage.classList.contains('hideM');
        if (renderMarkdown){
            renderMarkdownText(botElement);
            toggleButton.innerHTML=rawIcon;
        } else {
            removeMarkdownText(botElement);
            toggleButton.innerHTML=mdIcon;
        }
    });
    botElement.insertBefore(toggleButton, copyButton);
}

function addCopyCodeButton(pre) {
    var code = null;
    var firstChild = null;
    code = pre.querySelector('code');
    if (!code) return;
    firstChild = code.querySelector('div');
    if (!firstChild) return;
    var oldCopyButton = null;
    oldCopyButton = code.querySelector('button.copy-code-btn');
    // if (oldCopyButton) oldCopyButton.remove();
    if (oldCopyButton) return; // 没太有用,新生成的对话中始终会被pre覆盖,导致按钮消失,这段代码不启用……
    var codeButton = document.createElement('button');
    codeButton.classList.add('copy-code-btn');
    codeButton.textContent = '\uD83D\uDCCE';

    code.insertBefore(codeButton, firstChild);
    codeButton.addEventListener('click', function () {
        var range = document.createRange();
        range.selectNodeContents(code);
        range.setStartBefore(firstChild);
        navigator.clipboard
            .writeText(range.toString())
            .then(() => {
                codeButton.textContent = '\u2714';
                setTimeout(function () {
                    codeButton.textContent = '\uD83D\uDCCE';
                }, 2000);
            })
            .catch(e => {
                console.error(e);
                codeButton.textContent = '\u2716';
            });
    });
}

function renderMarkdownText(message) {
    var mdDiv = message.querySelector('.md-message');
    if (mdDiv) mdDiv.classList.remove('hideM');
    var rawDiv = message.querySelector('.raw-message');
    if (rawDiv) rawDiv.classList.add('hideM');
}
function removeMarkdownText(message) {
    var rawDiv = message.querySelector('.raw-message');
    if (rawDiv) rawDiv.classList.remove('hideM');
    var mdDiv = message.querySelector('.md-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。
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);
                    document.querySelectorAll('#chuanhu_chatbot>.wrap>.message-wrap .message.bot pre').forEach(addCopyCodeButton);
                }
                if (node.tagName === 'INPUT' && node.getAttribute('type') === 'range') {
                    setSlider();
                }
            }
            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);
                    document.querySelectorAll('#chuanhu_chatbot>.wrap>.message-wrap .message.bot pre').forEach(addCopyCodeButton);
                }
            }
        } else if (mmutation.type === 'attributes') {
            if (mmutation.target.nodeType === 1 && mmutation.target.classList.contains('message') && mmutation.target.getAttribute('data-testid') === 'bot') {
                document.querySelectorAll('#chuanhu_chatbot>.wrap>.message-wrap .message.bot pre').forEach(addCopyCodeButton); // 目前写的是有点问题的,会导致加button次数过多,但是bot对话内容生成时又是不断覆盖pre的……
                if (isThrottled) break; // 为了防止重复不断疯狂渲染,加上等待_(:з」∠)_
                isThrottled = true;
                clearTimeout(timeoutId);
                timeoutId = setTimeout(() => {
                    isThrottled = false;
                    if (shouldRenderLatex) {
                        renderMathJax();
                        mathjaxUpdated = false;
                    }
                    document.querySelectorAll('#chuanhu_chatbot>.wrap>.message-wrap .message.bot').forEach(addChuanhuButton);
                    saveHistoryHtml();
                }, 500);
            }
        }
    }
});
mObserver.observe(document.documentElement, { attributes: true, childList: true, subtree: true });

var loadhistorytime = 0; // for debugging
function saveHistoryHtml() {
    var historyHtml = document.querySelector('#chuanhu_chatbot > .wrap');
    localStorage.setItem('chatHistory', historyHtml.innerHTML);
    // console.log("History Saved")
    historyLoaded = false;
}
function loadHistoryHtml() {
    var historyHtml = localStorage.getItem('chatHistory');
    if (!historyHtml) {
        historyLoaded = true;
        return; // no history, do nothing
    }
    userLogged = localStorage.getItem('userLogged');
    if (userLogged){
        historyLoaded = true;
        return; // logged in, do nothing
    }
    if (!historyLoaded) {
        var tempDiv = document.createElement('div');
        tempDiv.innerHTML = historyHtml;
        var buttons = tempDiv.querySelectorAll('button.chuanhu-btn');
        for (var i = 0; i < buttons.length; i++) {
            buttons[i].parentNode.removeChild(buttons[i]);
        }
        var fakeHistory = document.createElement('div');
        fakeHistory.classList.add('history-message');
        fakeHistory.innerHTML = tempDiv.innerHTML;
        webLocale();
        chatbotWrap.insertBefore(fakeHistory, chatbotWrap.firstChild);
        // var fakeHistory = document.createElement('div');
        // fakeHistory.classList.add('history-message');
        // fakeHistory.innerHTML = historyHtml;
        // chatbotWrap.insertBefore(fakeHistory, chatbotWrap.firstChild);
        historyLoaded = true;
        console.log("History Loaded");
        loadhistorytime += 1; // for debugging
    } else {
        historyLoaded = false;
    }
}
function clearHistoryHtml() {
    localStorage.removeItem("chatHistory");
    historyMessages = chatbotWrap.querySelector('.history-message');
    if (historyMessages) {
        chatbotWrap.removeChild(historyMessages);
        console.log("History Cleared");
    }
}
function emptyHistory() {
    empty_botton.addEventListener("click", function () {
        clearHistoryHtml();
    });
}

// 监视页面内部 DOM 变动
var observer = new MutationObserver(function (mutations) {
    gradioLoaded(mutations);
});
observer.observe(targetNode, { childList: true, subtree: true });

// 监视页面变化
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);
window.matchMedia("(prefers-color-scheme: dark)").addEventListener("change", adjustDarkMode);

// button svg code
const copyIcon   = '<span><svg stroke="currentColor" fill="none" stroke-width="2" viewBox="0 0 24 24" stroke-linecap="round" stroke-linejoin="round" height=".8em" width=".8em" xmlns="http://www.w3.org/2000/svg"><rect x="9" y="9" width="13" height="13" rx="2" ry="2"></rect><path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"></path></svg></span>';
const copiedIcon = '<span><svg stroke="currentColor" fill="none" stroke-width="2" viewBox="0 0 24 24" stroke-linecap="round" stroke-linejoin="round" height=".8em" width=".8em" xmlns="http://www.w3.org/2000/svg"><polyline points="20 6 9 17 4 12"></polyline></svg></span>';
const mdIcon     = '<span><svg stroke="currentColor" fill="none" stroke-width="1" viewBox="0 0 14 18" stroke-linecap="round" stroke-linejoin="round" height=".8em" width=".8em" xmlns="http://www.w3.org/2000/svg"><g transform-origin="center" transform="scale(0.85)"><path d="M1.5,0 L12.5,0 C13.3284271,-1.52179594e-16 14,0.671572875 14,1.5 L14,16.5 C14,17.3284271 13.3284271,18 12.5,18 L1.5,18 C0.671572875,18 1.01453063e-16,17.3284271 0,16.5 L0,1.5 C-1.01453063e-16,0.671572875 0.671572875,1.52179594e-16 1.5,0 Z" stroke-width="1.8"></path><line x1="3.5" y1="3.5" x2="10.5" y2="3.5"></line><line x1="3.5" y1="6.5" x2="8" y2="6.5"></line></g><path d="M4,9 L10,9 C10.5522847,9 11,9.44771525 11,10 L11,13.5 C11,14.0522847 10.5522847,14.5 10,14.5 L4,14.5 C3.44771525,14.5 3,14.0522847 3,13.5 L3,10 C3,9.44771525 3.44771525,9 4,9 Z" stroke="none" fill="currentColor"></path></svg></span>';
const rawIcon    = '<span><svg stroke="currentColor" fill="none" stroke-width="1.8" viewBox="0 0 18 14" stroke-linecap="round" stroke-linejoin="round" height=".8em" width=".8em" xmlns="http://www.w3.org/2000/svg"><g transform-origin="center" transform="scale(0.85)"><polyline points="4 3 0 7 4 11"></polyline><polyline points="14 3 18 7 14 11"></polyline><line x1="12" y1="0" x2="6" y2="14"></line></g></svg></span>';