mirror of
https://github.com/SillyTavern/SillyTavern.git
synced 2024-12-12 17:36:22 +01:00
701 lines
21 KiB
JavaScript
701 lines
21 KiB
JavaScript
import { getContext } from "./extensions.js";
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export function onlyUnique(value, index, array) {
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return array.indexOf(value) === index;
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}
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export function shuffle(array) {
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let currentIndex = array.length,
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randomIndex;
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while (currentIndex != 0) {
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randomIndex = Math.floor(Math.random() * currentIndex);
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currentIndex--;
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[array[currentIndex], array[randomIndex]] = [
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array[randomIndex],
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array[currentIndex],
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];
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}
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return array;
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}
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export function download(content, fileName, contentType) {
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const a = document.createElement("a");
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const file = new Blob([content], { type: contentType });
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a.href = URL.createObjectURL(file);
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a.download = fileName;
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a.click();
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}
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export async function urlContentToDataUri(url, params) {
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const response = await fetch(url, params);
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const blob = await response.blob();
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return await new Promise(callback => {
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let reader = new FileReader();
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reader.onload = function () { callback(this.result); };
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reader.readAsDataURL(blob);
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});
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}
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export function getFileText(file) {
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return new Promise((resolve, reject) => {
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const reader = new FileReader();
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reader.readAsText(file);
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reader.onload = function () {
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resolve(reader.result);
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};
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reader.onerror = function (error) {
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reject(error);
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};
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});
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}
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export function getFileBuffer(file) {
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return new Promise((resolve, reject) => {
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const reader = new FileReader();
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reader.readAsArrayBuffer(file);
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reader.onload = function () {
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resolve(reader.result);
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};
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reader.onerror = function (error) {
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reject(error);
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};
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});
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}
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export function getBase64Async(file) {
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return new Promise((resolve, reject) => {
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const reader = new FileReader();
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reader.readAsDataURL(file);
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reader.onload = function () {
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resolve(reader.result);
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};
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reader.onerror = function (error) {
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reject(error);
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};
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});
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}
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export async function parseJsonFile(file) {
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return new Promise((resolve, reject) => {
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const fileReader = new FileReader();
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fileReader.onload = event => resolve(JSON.parse(event.target.result));
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fileReader.onerror = error => reject(error);
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fileReader.readAsText(file);
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});
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}
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export function getStringHash(str, seed = 0) {
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if (typeof str !== 'string') {
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return 0;
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}
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let h1 = 0xdeadbeef ^ seed,
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h2 = 0x41c6ce57 ^ seed;
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for (let i = 0, ch; i < str.length; i++) {
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ch = str.charCodeAt(i);
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h1 = Math.imul(h1 ^ ch, 2654435761);
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h2 = Math.imul(h2 ^ ch, 1597334677);
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}
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h1 = Math.imul(h1 ^ (h1 >>> 16), 2246822507) ^ Math.imul(h2 ^ (h2 >>> 13), 3266489909);
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h2 = Math.imul(h2 ^ (h2 >>> 16), 2246822507) ^ Math.imul(h1 ^ (h1 >>> 13), 3266489909);
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return 4294967296 * (2097151 & h2) + (h1 >>> 0);
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};
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export function debounce(func, timeout = 300) {
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let timer;
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return (...args) => {
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clearTimeout(timer);
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timer = setTimeout(() => { func.apply(this, args); }, timeout);
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};
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}
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export function throttle(func, limit = 300) {
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let lastCall;
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return (...args) => {
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const now = Date.now();
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if (!lastCall || (now - lastCall) >= limit) {
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lastCall = now;
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func.apply(this, args);
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}
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};
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}
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export function isElementInViewport(el) {
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if (typeof jQuery === "function" && el instanceof jQuery) {
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el = el[0];
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}
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var rect = el.getBoundingClientRect();
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return (
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rect.top >= 0 &&
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rect.left >= 0 &&
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rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) && /* or $(window).height() */
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rect.right <= (window.innerWidth || document.documentElement.clientWidth) /* or $(window).width() */
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);
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}
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export function getUniqueName(name, exists) {
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let i = 1;
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let baseName = name;
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while (exists(name)) {
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name = `${baseName} (${i})`;
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i++;
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}
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return name;
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}
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export const delay = (ms) => new Promise((res) => setTimeout(res, ms));
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export const isSubsetOf = (a, b) => (Array.isArray(a) && Array.isArray(b)) ? b.every(val => a.includes(val)) : false;
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export function incrementString(str) {
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// Find the trailing number or it will match the empty string
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const count = str.match(/\d*$/);
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// Take the substring up until where the integer was matched
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// Concatenate it to the matched count incremented by 1
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return str.substr(0, count.index) + (++count[0]);
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};
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export function stringFormat(format) {
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const args = Array.prototype.slice.call(arguments, 1);
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return format.replace(/{(\d+)}/g, function (match, number) {
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return typeof args[number] != 'undefined'
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? args[number]
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: match
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;
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});
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};
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// Save the caret position in a contenteditable element
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export function saveCaretPosition(element) {
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// Get the current selection
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const selection = window.getSelection();
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// If the selection is empty, return null
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if (selection.rangeCount === 0) {
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return null;
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}
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// Get the range of the current selection
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const range = selection.getRangeAt(0);
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// If the range is not within the specified element, return null
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if (!element.contains(range.commonAncestorContainer)) {
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return null;
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}
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// Return an object with the start and end offsets of the range
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const position = {
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start: range.startOffset,
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end: range.endOffset
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};
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console.debug('Caret saved', position);
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return position;
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}
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// Restore the caret position in a contenteditable element
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export function restoreCaretPosition(element, position) {
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// If the position is null, do nothing
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if (!position) {
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return;
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}
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console.debug('Caret restored', position);
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// Create a new range object
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const range = new Range();
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// Set the start and end positions of the range within the element
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range.setStart(element.childNodes[0], position.start);
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range.setEnd(element.childNodes[0], position.end);
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// Create a new selection object and set the range
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const selection = window.getSelection();
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selection.removeAllRanges();
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selection.addRange(range);
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}
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export async function resetScrollHeight(element) {
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$(element).css('height', '0px');
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$(element).css('height', $(element).prop('scrollHeight') + 3 + 'px');
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}
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export async function initScrollHeight(element) {
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await delay(1);
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const curHeight = Number($(element).css("height").replace('px', ''));
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const curScrollHeight = Number($(element).prop("scrollHeight"));
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const diff = curScrollHeight - curHeight;
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if (diff < 3) { return } //happens when the div isn't loaded yet
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const newHeight = curHeight + diff + 3; //the +3 here is to account for padding/line-height on text inputs
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//console.log(`init height to ${newHeight}`);
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$(element).css("height", "");
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$(element).css("height", `${newHeight}px`);
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//resetScrollHeight(element);
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}
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export function sortByCssOrder(a, b) {
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const _a = Number($(a).css('order'));
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const _b = Number($(b).css('order'));
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return _a - _b;
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}
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export function end_trim_to_sentence(input, include_newline = false) {
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// inspired from https://github.com/kaihordewebui/kaihordewebui.github.io/blob/06b95e6b7720eb85177fbaf1a7f52955d7cdbc02/index.html#L4853-L4867
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const punctuation = new Set(['.', '!', '?', '*', '"', ')', '}', '`', ']', '$', '。', '！', '？', '”', '）', '】', '】', '’', '」', '】']); // extend this as you see fit
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let last = -1;
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for (let i = input.length - 1; i >= 0; i--) {
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const char = input[i];
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if (punctuation.has(char)) {
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last = i;
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break;
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}
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if (include_newline && char === '\n') {
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last = i;
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break;
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}
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}
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if (last === -1) {
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return input.trimEnd();
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}
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return input.substring(0, last + 1).trimEnd();
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}
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export function countOccurrences(string, character) {
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let count = 0;
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for (let i = 0; i < string.length; i++) {
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if (string[i] === character) {
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count++;
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}
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}
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return count;
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}
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export function isOdd(number) {
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return number % 2 !== 0;
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}
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export function timestampToMoment(timestamp) {
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if (!timestamp) {
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return moment.invalid();
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}
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// Unix time (legacy TAI)
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if (typeof timestamp === 'number') {
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return moment(timestamp);
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}
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// ST "humanized" format pattern
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const pattern1 = /(\d{4})-(\d{1,2})-(\d{1,2}) @(\d{1,2})h (\d{1,2})m (\d{1,2})s (\d{1,3})ms/;
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const replacement1 = (match, year, month, day, hour, minute, second, millisecond) => {
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return `${year.padStart(4, "0")}-${month.padStart(2, "0")}-${day.padStart(2, "0")}T${hour.padStart(2, "0")}:${minute.padStart(2, "0")}:${second.padStart(2, "0")}.${millisecond.padStart(3, "0")}Z`;
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};
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const isoTimestamp1 = timestamp.replace(pattern1, replacement1);
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if (moment(isoTimestamp1).isValid()) {
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return moment(isoTimestamp1);
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}
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// New format pattern: "June 19, 2023 4:13pm"
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const pattern2 = /(\w+)\s(\d{1,2}),\s(\d{4})\s(\d{1,2}):(\d{1,2})(am|pm)/i;
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const replacement2 = (match, month, day, year, hour, minute, meridiem) => {
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const monthNum = moment().month(month).format("MM");
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const hour24 = meridiem.toLowerCase() === 'pm' ? (parseInt(hour, 10) % 12) + 12 : parseInt(hour, 10) % 12;
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return `${year}-${monthNum}-${day.padStart(2, "0")}T${hour24.toString().padStart(2, "0")}:${minute.padStart(2, "0")}:00`;
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};
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const isoTimestamp2 = timestamp.replace(pattern2, replacement2);
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if (moment(isoTimestamp2).isValid()) {
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return moment(isoTimestamp2);
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}
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// If none of the patterns match, return an invalid moment object
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return moment.invalid();
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}
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export function sortMoments(a, b) {
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if (a.isBefore(b)) {
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return 1;
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} else if (a.isAfter(b)) {
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return -1;
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} else {
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return 0;
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}
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}
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/** Split string to parts no more than length in size */
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export function splitRecursive(input, length, delimitiers = ['\n\n', '\n', ' ', '']) {
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const delim = delimitiers[0] ?? '';
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const parts = input.split(delim);
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const flatParts = parts.flatMap(p => {
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if (p.length < length) return p;
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return splitRecursive(input, length, delimitiers.slice(1));
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});
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// Merge short chunks
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const result = [];
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let currentChunk = '';
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for (let i = 0; i < flatParts.length;) {
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currentChunk = flatParts[i];
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let j = i + 1;
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while (j < flatParts.length) {
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const nextChunk = flatParts[j];
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if (currentChunk.length + nextChunk.length + delim.length <= length) {
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currentChunk += delim + nextChunk;
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} else {
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break;
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}
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j++;
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}
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i = j;
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result.push(currentChunk);
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}
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return result;
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}
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export class IndexedDBStore {
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constructor(dbName, storeName) {
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this.dbName = dbName;
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this.storeName = storeName;
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this.db = null;
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}
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async open() {
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return new Promise((resolve, reject) => {
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const request = indexedDB.open(this.dbName);
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request.onupgradeneeded = (event) => {
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const db = event.target.result;
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db.createObjectStore(this.storeName, { keyPath: null, autoIncrement: false });
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};
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request.onsuccess = (event) => {
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console.debug(`IndexedDBStore.open(${this.dbName})`);
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this.db = event.target.result;
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resolve(this.db);
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};
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request.onerror = (event) => {
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console.error(`IndexedDBStore.open(${this.dbName})`);
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reject(event.target.error);
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};
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});
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}
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async get(key) {
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if (!this.db) await this.open();
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return new Promise((resolve, reject) => {
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const transaction = this.db.transaction(this.storeName, "readonly");
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const objectStore = transaction.objectStore(this.storeName);
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const request = objectStore.get(key);
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request.onsuccess = (event) => {
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console.debug(`IndexedDBStore.get(${key})`);
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resolve(event.target.result);
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};
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request.onerror = (event) => {
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console.error(`IndexedDBStore.get(${key})`);
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reject(event.target.error);
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};
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});
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}
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async put(key, object) {
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if (!this.db) await this.open();
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return new Promise((resolve, reject) => {
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const transaction = this.db.transaction(this.storeName, "readwrite");
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const objectStore = transaction.objectStore(this.storeName);
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const request = objectStore.put(object, key);
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request.onsuccess = (event) => {
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console.debug(`IndexedDBStore.put(${key})`);
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resolve(event.target.result);
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};
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request.onerror = (event) => {
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console.error(`IndexedDBStore.put(${key})`);
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reject(event.target.error);
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};
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});
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}
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async delete(key) {
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if (!this.db) await this.open();
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return new Promise((resolve, reject) => {
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const transaction = this.db.transaction(this.storeName, "readwrite");
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const objectStore = transaction.objectStore(this.storeName);
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const request = objectStore.delete(key);
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request.onsuccess = (event) => {
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console.debug(`IndexedDBStore.delete(${key})`);
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resolve(event.target.result);
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};
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request.onerror = (event) => {
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console.error(`IndexedDBStore.delete(${key})`);
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reject(event.target.error);
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};
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});
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}
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}
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export function isDataURL(str) {
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const regex = /^data:([a-z]+\/[a-z0-9-+.]+(;[a-z-]+=[a-z0-9-]+)*;?)?(base64)?,([a-z0-9!$&',()*+;=\-_%.~:@\/?#]+)?$/i;
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return regex.test(str);
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}
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export function getCharaFilename(chid) {
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const context = getContext();
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const fileName = context.characters[chid ?? context.characterId].avatar;
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if (fileName) {
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return fileName.replace(/\.[^/.]+$/, "")
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}
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}
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export function extractAllWords(value) {
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const words = [];
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if (!value) {
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return words;
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}
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const matches = value.matchAll(/\b\w+\b/gim);
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for (let match of matches) {
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words.push(match[0].toLowerCase());
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}
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return words;
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}
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export function escapeRegex(string) {
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return string.replace(/[/\-\\^$*+?.()|[\]{}]/g, '\\$&');
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}
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export class RateLimiter {
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constructor(intervalMillis) {
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this._intervalMillis = intervalMillis;
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this._lastResolveTime = 0;
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this._pendingResolve = Promise.resolve();
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}
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_waitRemainingTime(abortSignal) {
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const currentTime = Date.now();
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const elapsedTime = currentTime - this._lastResolveTime;
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const remainingTime = Math.max(0, this._intervalMillis - elapsedTime);
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return new Promise((resolve, reject) => {
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const timeoutId = setTimeout(() => {
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resolve();
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}, remainingTime);
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if (abortSignal) {
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abortSignal.addEventListener('abort', () => {
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clearTimeout(timeoutId);
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reject(new Error('Aborted'));
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});
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}
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});
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}
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async waitForResolve(abortSignal) {
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await this._pendingResolve;
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this._pendingResolve = this._waitRemainingTime(abortSignal);
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// Update the last resolve time
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this._lastResolveTime = Date.now() + this._intervalMillis;
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console.debug(`RateLimiter.waitForResolve() ${this._lastResolveTime}`);
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}
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}
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// Taken from https://github.com/LostRuins/lite.koboldai.net/blob/main/index.html
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//import tavern png data. adapted from png-chunks-extract under MIT license
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//accepts png input data, and returns the extracted JSON
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export function extractDataFromPng(data, identifier = 'chara') {
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console.log("Attempting PNG import...");
|
||
let uint8 = new Uint8Array(4);
|
||
let uint32 = new Uint32Array(uint8.buffer);
|
||
|
||
//check if png header is valid
|
||
if (!data || data[0] !== 0x89 || data[1] !== 0x50 || data[2] !== 0x4E || data[3] !== 0x47 || data[4] !== 0x0D || data[5] !== 0x0A || data[6] !== 0x1A || data[7] !== 0x0A) {
|
||
console.log("PNG header invalid")
|
||
return null;
|
||
}
|
||
|
||
let ended = false;
|
||
let chunks = [];
|
||
let idx = 8;
|
||
|
||
while (idx < data.length) {
|
||
// Read the length of the current chunk,
|
||
// which is stored as a Uint32.
|
||
uint8[3] = data[idx++];
|
||
uint8[2] = data[idx++];
|
||
uint8[1] = data[idx++];
|
||
uint8[0] = data[idx++];
|
||
|
||
// Chunk includes name/type for CRC check (see below).
|
||
let length = uint32[0] + 4;
|
||
let chunk = new Uint8Array(length);
|
||
chunk[0] = data[idx++];
|
||
chunk[1] = data[idx++];
|
||
chunk[2] = data[idx++];
|
||
chunk[3] = data[idx++];
|
||
|
||
// Get the name in ASCII for identification.
|
||
let name = (
|
||
String.fromCharCode(chunk[0]) +
|
||
String.fromCharCode(chunk[1]) +
|
||
String.fromCharCode(chunk[2]) +
|
||
String.fromCharCode(chunk[3])
|
||
);
|
||
|
||
// The IHDR header MUST come first.
|
||
if (!chunks.length && name !== 'IHDR') {
|
||
console.log('Warning: IHDR header missing');
|
||
}
|
||
|
||
// The IEND header marks the end of the file,
|
||
// so on discovering it break out of the loop.
|
||
if (name === 'IEND') {
|
||
ended = true;
|
||
chunks.push({
|
||
name: name,
|
||
data: new Uint8Array(0)
|
||
});
|
||
break;
|
||
}
|
||
|
||
// Read the contents of the chunk out of the main buffer.
|
||
for (let i = 4; i < length; i++) {
|
||
chunk[i] = data[idx++];
|
||
}
|
||
|
||
// Read out the CRC value for comparison.
|
||
// It's stored as an Int32.
|
||
uint8[3] = data[idx++];
|
||
uint8[2] = data[idx++];
|
||
uint8[1] = data[idx++];
|
||
uint8[0] = data[idx++];
|
||
|
||
|
||
// The chunk data is now copied to remove the 4 preceding
|
||
// bytes used for the chunk name/type.
|
||
let chunkData = new Uint8Array(chunk.buffer.slice(4));
|
||
|
||
chunks.push({
|
||
name: name,
|
||
data: chunkData
|
||
});
|
||
}
|
||
|
||
if (!ended) {
|
||
console.log('.png file ended prematurely: no IEND header was found');
|
||
}
|
||
|
||
//find the chunk with the chara name, just check first and last letter
|
||
let found = chunks.filter(x => (
|
||
x.name == "tEXt"
|
||
&& x.data.length > identifier.length
|
||
&& x.data.slice(0, identifier.length).every((v, i) => String.fromCharCode(v) == identifier[i])));
|
||
|
||
if (found.length == 0) {
|
||
console.log('PNG Image contains no data');
|
||
return null;
|
||
} else {
|
||
try {
|
||
let b64buf = "";
|
||
let bytes = found[0].data; //skip the chara
|
||
for (let i = identifier.length + 1; i < bytes.length; i++) {
|
||
b64buf += String.fromCharCode(bytes[i]);
|
||
}
|
||
let decoded = JSON.parse(atob(b64buf));
|
||
console.log(decoded);
|
||
return decoded;
|
||
} catch (e) {
|
||
console.log("Error decoding b64 in image: " + e);
|
||
return null;
|
||
}
|
||
}
|
||
}
|
||
|
||
export function createThumbnail(dataUrl, maxWidth, maxHeight) {
|
||
return new Promise((resolve, reject) => {
|
||
const img = new Image();
|
||
img.src = dataUrl;
|
||
img.onload = () => {
|
||
const canvas = document.createElement('canvas');
|
||
const ctx = canvas.getContext('2d');
|
||
|
||
// Calculate the thumbnail dimensions while maintaining the aspect ratio
|
||
const aspectRatio = img.width / img.height;
|
||
let thumbnailWidth = maxWidth;
|
||
let thumbnailHeight = maxHeight;
|
||
|
||
if (img.width > img.height) {
|
||
thumbnailHeight = maxWidth / aspectRatio;
|
||
} else {
|
||
thumbnailWidth = maxHeight * aspectRatio;
|
||
}
|
||
|
||
// Set the canvas dimensions and draw the resized image
|
||
canvas.width = thumbnailWidth;
|
||
canvas.height = thumbnailHeight;
|
||
ctx.drawImage(img, 0, 0, thumbnailWidth, thumbnailHeight);
|
||
|
||
// Convert the canvas to a data URL and resolve the promise
|
||
const thumbnailDataUrl = canvas.toDataURL('image/jpeg');
|
||
resolve(thumbnailDataUrl);
|
||
};
|
||
|
||
img.onerror = () => {
|
||
reject(new Error('Failed to load the image.'));
|
||
};
|
||
});
|
||
}
|
||
|
||
export async function waitUntilCondition(condition, timeout = 1000, interval = 100) {
|
||
return new Promise((resolve, reject) => {
|
||
const timeoutId = setTimeout(() => {
|
||
clearInterval(intervalId);
|
||
reject(new Error('Timed out waiting for condition to be true'));
|
||
}, timeout);
|
||
|
||
const intervalId = setInterval(() => {
|
||
if (condition()) {
|
||
clearTimeout(timeoutId);
|
||
clearInterval(intervalId);
|
||
resolve();
|
||
}
|
||
}, interval);
|
||
});
|
||
}
|
||
|
||
export function uuidv4() {
|
||
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
|
||
const r = Math.random() * 16 | 0;
|
||
const v = c === 'x' ? r : (r & 0x3 | 0x8);
|
||
return v.toString(16);
|
||
});
|
||
}
|
||
|
||
export function deepClone(obj) {
|
||
return JSON.parse(JSON.stringify(obj));
|
||
}
|