text-generation-webui/js/main.js

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JavaScript
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let main_parent = document.getElementById("chat-tab").parentNode;
let extensions = document.getElementById("extensions");
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main_parent.childNodes[0].classList.add("header_bar");
main_parent.style = "padding: 0; margin: 0";
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main_parent.parentNode.style = "gap: 0";
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main_parent.parentNode.parentNode.style = "padding: 0";
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document.querySelector(".header_bar").addEventListener("click", function(event) {
if (event.target.tagName === "BUTTON") {
const buttonText = event.target.textContent.trim();
let chat_visible = (buttonText == "Chat");
let default_visible = (buttonText == "Default");
let notebook_visible = (buttonText == "Notebook");
// Check if one of the generation tabs is visible
if (chat_visible || notebook_visible || default_visible) {
extensions && (extensions.style.display = "flex");
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if (chat_visible) {
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this.style.marginBottom = "0px";
extensions && (extensions.style.maxWidth = "880px");
extensions && (extensions.style.padding = "0px");
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} else {
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this.style.marginBottom = "19px";
extensions && (extensions.style.maxWidth = "none");
extensions && (extensions.style.padding = "15px");
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}
} else {
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this.style.marginBottom = "19px";
extensions && (extensions.style.display = "none");
}
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}
});
//------------------------------------------------
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// Keyboard shortcuts
//------------------------------------------------
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let previousTabId = "chat-tab-button";
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document.addEventListener("keydown", function(event) {
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// Stop generation on Esc pressed
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if (event.key === "Escape") {
// Find the element with id 'stop' and click it
var stopButton = document.getElementById("stop");
if (stopButton) {
stopButton.click();
}
}
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// Show chat controls on Ctrl + S
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else if (event.ctrlKey && event.key == "s") {
event.preventDefault();
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var showControlsElement = document.getElementById("show-controls");
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if (showControlsElement && showControlsElement.childNodes.length >= 4) {
showControlsElement.childNodes[3].click();
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var arr = document.getElementById("chat-input").childNodes[2].childNodes;
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arr[arr.length - 1].focus();
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}
}
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// Regenerate on Ctrl + Enter
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else if (event.ctrlKey && event.key === "Enter") {
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event.preventDefault();
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document.getElementById("Regenerate").click();
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}
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// Continue on Alt + Enter
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else if (event.altKey && event.key === "Enter") {
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event.preventDefault();
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document.getElementById("Continue").click();
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}
// Remove last on Ctrl + Shift + Backspace
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else if (event.ctrlKey && event.shiftKey && event.key === "Backspace") {
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event.preventDefault();
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document.getElementById("Remove-last").click();
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}
// Copy last on Ctrl + Shift + K
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else if (event.ctrlKey && event.shiftKey && event.key === "K") {
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event.preventDefault();
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document.getElementById("Copy-last").click();
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}
// Replace last on Ctrl + Shift + L
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else if (event.ctrlKey && event.shiftKey && event.key === "L") {
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event.preventDefault();
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document.getElementById("Replace-last").click();
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}
// Impersonate on Ctrl + Shift + M
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else if (event.ctrlKey && event.shiftKey && event.key === "M") {
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event.preventDefault();
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document.getElementById("Impersonate").click();
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}
// Switch between tabs on Tab
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else if (!event.ctrlKey && !event.shiftKey && !event.altKey && !event.metaKey && event.key === "Tab") {
event.preventDefault();
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var parametersButton = document.getElementById("parameters-button");
var parentContainer = parametersButton.parentNode;
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var selectedChild = parentContainer.querySelector(".selected");
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if (selectedChild.id == "parameters-button") {
document.getElementById(previousTabId).click();
} else {
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previousTabId = selectedChild.id;
parametersButton.click();
}
}
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});
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//------------------------------------------------
// Position the chat typing dots
//------------------------------------------------
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typing = document.getElementById("typing-container");
typingParent = typing.parentNode;
typingSibling = typing.previousElementSibling;
typingSibling.insertBefore(typing, typingSibling.childNodes[2]);
//------------------------------------------------
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// Chat scrolling
//------------------------------------------------
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const targetElement = document.getElementById("chat").parentNode.parentNode.parentNode;
targetElement.classList.add("pretty_scrollbar");
targetElement.classList.add("chat-parent");
let isScrolled = false;
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targetElement.addEventListener("scroll", function() {
let diff = targetElement.scrollHeight - targetElement.clientHeight;
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if(Math.abs(targetElement.scrollTop - diff) <= 10 || diff == 0) {
isScrolled = false;
} else {
isScrolled = true;
}
doSyntaxHighlighting();
});
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// Create a MutationObserver instance
const observer = new MutationObserver(function(mutations) {
updateCssProperties();
const firstChild = targetElement.children[0];
if (firstChild.classList.contains("generating")) {
typing.parentNode.classList.add("visible-dots");
document.getElementById("stop").style.display = "flex";
document.getElementById("Generate").style.display = "none";
} else {
typing.parentNode.classList.remove("visible-dots");
document.getElementById("stop").style.display = "none";
document.getElementById("Generate").style.display = "flex";
}
doSyntaxHighlighting();
if(!isScrolled) {
targetElement.scrollTop = targetElement.scrollHeight;
}
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});
// Configure the observer to watch for changes in the subtree and attributes
const config = {
childList: true,
subtree: true,
characterData: true,
attributeOldValue: true,
characterDataOldValue: true
};
// Start observing the target element
observer.observe(targetElement, config);
//------------------------------------------------
// Handle syntax highlighting / LaTeX
//------------------------------------------------
function isElementVisibleOnScreen(element) {
const rect = element.getBoundingClientRect();
return (
rect.left < window.innerWidth &&
rect.right > 0 &&
rect.top < window.innerHeight &&
rect.bottom > 0
);
}
function getVisibleMessagesIndexes() {
const elements = document.querySelectorAll(".message-body");
const visibleIndexes = [];
elements.forEach((element, index) => {
if (isElementVisibleOnScreen(element) && !element.hasAttribute("data-highlighted")) {
visibleIndexes.push(index);
}
});
return visibleIndexes;
}
function doSyntaxHighlighting() {
const indexes = getVisibleMessagesIndexes();
const elements = document.querySelectorAll(".message-body");
if (indexes.length > 0) {
observer.disconnect();
indexes.forEach((index) => {
const element = elements[index];
// Tag this element to prevent it from being highlighted twice
element.setAttribute("data-highlighted", "true");
// Perform syntax highlighting
const codeBlocks = element.querySelectorAll("pre code");
codeBlocks.forEach((codeBlock) => {
hljs.highlightElement(codeBlock);
});
renderMathInElement(element, {
delimiters: [
{ left: "$$", right: "$$", display: true },
{ left: "$", right: "$", display: false },
{ left: "\\(", right: "\\)", display: false },
{ left: "\\[", right: "\\]", display: true },
],
});
});
observer.observe(targetElement, config);
}
}
//------------------------------------------------
// Add some scrollbars
//------------------------------------------------
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const textareaElements = document.querySelectorAll(".add_scrollbar textarea");
for(i = 0; i < textareaElements.length; i++) {
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textareaElements[i].classList.remove("scroll-hide");
textareaElements[i].classList.add("pretty_scrollbar");
textareaElements[i].style.resize = "none";
}
//------------------------------------------------
// Remove some backgrounds
//------------------------------------------------
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const noBackgroundelements = document.querySelectorAll(".no-background");
for(i = 0; i < noBackgroundelements.length; i++) {
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noBackgroundelements[i].parentNode.style.border = "none";
noBackgroundelements[i].parentNode.parentNode.parentNode.style.alignItems = "center";
}
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const slimDropdownElements = document.querySelectorAll(".slim-dropdown");
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for (i = 0; i < slimDropdownElements.length; i++) {
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const parentNode = slimDropdownElements[i].parentNode;
parentNode.style.background = "transparent";
parentNode.style.border = "0";
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}
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//------------------------------------------------
// Create the hover menu in the chat tab
// The show/hide events were adapted from:
// https://github.com/SillyTavern/SillyTavern/blob/6c8bd06308c69d51e2eb174541792a870a83d2d6/public/script.js
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//------------------------------------------------
var buttonsInChat = document.querySelectorAll("#chat-tab:not(.old-ui) #chat-buttons button");
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var button = document.getElementById("hover-element-button");
var menu = document.getElementById("hover-menu");
var istouchscreen = (navigator.maxTouchPoints > 0) || "ontouchstart" in document.documentElement;
function showMenu() {
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menu.style.display = "flex"; // Show the menu
}
function hideMenu() {
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menu.style.display = "none"; // Hide the menu
if (!istouchscreen) {
document.querySelector("#chat-input textarea").focus(); // Focus on the chat input
}
}
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if (buttonsInChat.length > 0) {
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for (let i = buttonsInChat.length - 1; i >= 0; i--) {
const thisButton = buttonsInChat[i];
menu.appendChild(thisButton);
thisButton.addEventListener("click", () => {
hideMenu();
});
const buttonText = thisButton.textContent;
const matches = buttonText.match(/(\(.*?\))/);
if (matches && matches.length > 1) {
// Apply the transparent-substring class to the matched substring
const substring = matches[1];
const newText = buttonText.replace(substring, `&nbsp;<span class="transparent-substring">${substring.slice(1, -1)}</span>`);
thisButton.innerHTML = newText;
}
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}
} else {
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buttonsInChat = document.querySelectorAll("#chat-tab.old-ui #chat-buttons button");
for (let i = 0; i < buttonsInChat.length; i++) {
buttonsInChat[i].textContent = buttonsInChat[i].textContent.replace(/ \(.*?\)/, "");
}
document.getElementById("gr-hover-container").style.display = "none";
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}
function isMouseOverButtonOrMenu() {
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return menu.matches(":hover") || button.matches(":hover");
}
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button.addEventListener("mouseenter", function () {
if (!istouchscreen) {
showMenu();
}
});
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button.addEventListener("click", function () {
if (menu.style.display === "flex") {
hideMenu();
}
else {
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showMenu();
}
});
// Add event listener for mouseleave on the button
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button.addEventListener("mouseleave", function () {
// Delay to prevent menu hiding when the mouse leaves the button into the menu
setTimeout(function () {
if (!isMouseOverButtonOrMenu()) {
hideMenu();
}
}, 100);
});
// Add event listener for mouseleave on the menu
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menu.addEventListener("mouseleave", function () {
// Delay to prevent menu hide when the mouse leaves the menu into the button
setTimeout(function () {
if (!isMouseOverButtonOrMenu()) {
hideMenu();
}
}, 100);
});
// Add event listener for click anywhere in the document
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document.addEventListener("click", function (event) {
// Check if the click is outside the button/menu and the menu is visible
if (!isMouseOverButtonOrMenu() && menu.style.display === "flex") {
hideMenu();
}
if (event.target.classList.contains("pfp_character")) {
toggleBigPicture();
}
});
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//------------------------------------------------
// Relocate the "Show controls" checkbox
//------------------------------------------------
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var elementToMove = document.getElementById("show-controls");
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var parent = elementToMove.parentNode;
for (var i = 0; i < 2; i++) {
parent = parent.parentNode;
}
parent.insertBefore(elementToMove, parent.firstChild);
//------------------------------------------------
// Make the chat input grow upwards instead of downwards
//------------------------------------------------
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document.getElementById("show-controls").parentNode.style.position = "absolute";
document.getElementById("show-controls").parentNode.style.bottom = "0px";
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//------------------------------------------------
// Focus on the chat input
//------------------------------------------------
const chatTextArea = document.getElementById("chat-input").querySelector("textarea");
function respondToChatInputVisibility(element, callback) {
var options = {
root: document.documentElement,
};
var observer = new IntersectionObserver((entries, observer) => {
entries.forEach(entry => {
callback(entry.intersectionRatio > 0);
});
}, options);
observer.observe(element);
}
function handleChatInputVisibilityChange(isVisible) {
if (isVisible) {
chatTextArea.focus();
}
}
respondToChatInputVisibility(chatTextArea, handleChatInputVisibilityChange);
//------------------------------------------------
// Show enlarged character picture when the profile
// picture is clicked on
//------------------------------------------------
let bigPictureVisible = false;
function addBigPicture() {
var imgElement = document.createElement("img");
var timestamp = new Date().getTime();
imgElement.src = "/file/cache/pfp_character.png?time=" + timestamp;
imgElement.classList.add("bigProfilePicture");
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imgElement.addEventListener("load", function () {
this.style.visibility = "visible";
});
imgElement.addEventListener("error", function () {
this.style.visibility = "hidden";
});
var imgElementParent = document.getElementById("chat").parentNode.parentNode.parentNode.parentNode.parentNode.parentNode.parentNode;
imgElementParent.appendChild(imgElement);
}
function deleteBigPicture() {
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var bigProfilePictures = document.querySelectorAll(".bigProfilePicture");
bigProfilePictures.forEach(function (element) {
element.parentNode.removeChild(element);
});
}
function toggleBigPicture() {
if(bigPictureVisible) {
deleteBigPicture();
bigPictureVisible = false;
} else {
addBigPicture();
bigPictureVisible = true;
}
}
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//------------------------------------------------
// Handle the chat input box growth
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//------------------------------------------------
let currentChatInputHeight = 0;
// Update chat layout based on chat and input dimensions
function updateCssProperties() {
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const chatContainer = document.getElementById("chat").parentNode.parentNode.parentNode;
const chatInputHeight = document.querySelector("#chat-input textarea").clientHeight;
// Check if the chat container is visible
if (chatContainer.clientHeight > 0) {
// Calculate new chat height and adjust CSS properties
var numericHeight = chatContainer.parentNode.clientHeight - chatInputHeight + 40 - 100;
if (document.getElementById("chat-tab").style.paddingBottom != "") {
numericHeight += 20;
}
const newChatHeight = `${numericHeight}px`;
document.documentElement.style.setProperty("--chat-height", newChatHeight);
document.documentElement.style.setProperty("--input-delta", `${chatInputHeight - 40}px`);
// Get and set header height
const header = document.querySelector(".header_bar");
const headerHeight = `${header.clientHeight}px`;
document.documentElement.style.setProperty("--header-height", headerHeight);
// Adjust scrollTop based on input height change
if (chatInputHeight !== currentChatInputHeight) {
chatContainer.scrollTop += chatInputHeight > currentChatInputHeight ? chatInputHeight : -chatInputHeight + 40;
currentChatInputHeight = chatInputHeight;
}
}
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}
// Observe textarea size changes and call update function
new ResizeObserver(updateCssProperties)
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.observe(document.querySelector("#chat-input textarea"));
// Handle changes in window size
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window.addEventListener("resize", updateCssProperties);
//------------------------------------------------
// Keep track of the display width to position the past
// chats dropdown on desktop
//------------------------------------------------
function updateDocumentWidth() {
var updatedWidth = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth;
document.documentElement.style.setProperty("--document-width", updatedWidth + "px");
}
updateDocumentWidth();
window.addEventListener("resize", updateDocumentWidth);
//------------------------------------------------
// Focus on the rename text area when it becomes visible
//------------------------------------------------
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const renameTextArea = document.getElementById("rename-row").querySelector("textarea");
function respondToRenameVisibility(element, callback) {
var options = {
root: document.documentElement,
};
var observer = new IntersectionObserver((entries, observer) => {
entries.forEach(entry => {
callback(entry.intersectionRatio > 0);
});
}, options);
observer.observe(element);
}
function handleVisibilityChange(isVisible) {
if (isVisible) {
renameTextArea.focus();
}
}
respondToRenameVisibility(renameTextArea, handleVisibilityChange);
//------------------------------------------------
// Adjust the chat tab margin if no extension UI
// is present at the bottom
//------------------------------------------------
if (document.getElementById("extensions") === null) {
document.getElementById("chat-tab").style.marginBottom = "-29px";
}
//------------------------------------------------
// Focus on the chat input after starting a new chat
//------------------------------------------------
document.querySelectorAll(".focus-on-chat-input").forEach(element => {
element.addEventListener("click", function() {
document.querySelector("#chat-input textarea").focus();
});
});