lollms-webui/static/js/main.js

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JavaScript
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function update_main(){
const chatWindow = document.getElementById('chat-window');
const chatForm = document.getElementById('chat-form');
const userInput = document.getElementById('user-input');
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chatForm.addEventListener('submit', event => {
event.preventDefault();
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console.log("Submitting")
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// get user input and clear input field
message = userInput.value;
userInput.value = '';
// add user message to chat window
const sendbtn = document.querySelector("#submit-input")
const waitAnimation = document.querySelector("#wait-animation")
sendbtn.style.display="none";
waitAnimation.style.display="block";
console.log("Sending message to bot")
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let hiddenElement = undefined
let messageTextElement = undefined
user_msg = addMessage('',message, 0, 0, can_edit=true);
bot_msg = addMessage('', '', 0, 0, can_edit=true);
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fetch('/bot', {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify({ message })
}).then(function(response) {
const stream = new ReadableStream({
start(controller) {
const reader = response.body.getReader();
function push() {
reader.read().then(function(result) {
if (result.done) {
sendbtn.style.display="block";
waitAnimation.style.display="none";
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console.log(result)
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controller.close();
return;
}
controller.enqueue(result.value);
push();
})
}
push();
}
});
const textDecoder = new TextDecoder();
const readableStreamDefaultReader = stream.getReader();
let entry_counter = 0
function readStream() {
readableStreamDefaultReader.read().then(function(result) {
if (result.done) {
return;
}
text = textDecoder.decode(result.value);
// The server will first send a json containing information about the message just sent
if(entry_counter==0)
{
// We parse it and
infos = JSON.parse(text)
user_msg.setSender(infos.user)
user_msg.setID(infos.id)
bot_msg.setSender(infos.bot)
bot_msg.setID(infos.response_id)
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messageTextElement=elements;
hiddenElement=elements.hiddenElement;
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entry_counter ++;
}
else{
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entry_counter ++;
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prefix = "FINAL:";
if(text.startsWith(prefix)){
text = text.substring(prefix.length);
hiddenElement.innerHTML = text
messageTextElement.innerHTML = text
}
else{
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// For the other enrtries, these are just the text of the chatbot
for (const char of text) {
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txt = hiddenElement.innerHTML;
if (char != '\f') {
txt += char
hiddenElement.innerHTML = txt
messageTextElement.innerHTML = txt
}
// scroll to bottom of chat window
chatWindow.scrollTop = chatWindow.scrollHeight;
}
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}
}
readStream();
});
}
readStream();
});
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});
}