SillyTavern/public/scripts/utils.js
2024-06-11 23:37:00 +03:00

1774 lines
60 KiB
JavaScript
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

import { getContext } from './extensions.js';
import { callPopup, getRequestHeaders } from '../script.js';
import { isMobile } from './RossAscends-mods.js';
import { collapseNewlines } from './power-user.js';
import { debounce_timeout } from './constants.js';
/**
* Pagination status string template.
* @type {string}
*/
export const PAGINATION_TEMPLATE = '<%= rangeStart %>-<%= rangeEnd %> of <%= totalNumber %>';
/**
* Navigation options for pagination.
* @enum {number}
*/
export const navigation_option = {
none: -2000,
previous: -1000,
};
export function escapeHtml(str) {
return String(str).replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;');
}
export function isValidUrl(value) {
try {
new URL(value);
return true;
} catch (_) {
return false;
}
}
/**
* Parses ranges like 10-20 or 10.
* Range is inclusive. Start must be less than end.
* Returns null if invalid.
* @param {string} input The input string.
* @param {number} min The minimum value.
* @param {number} max The maximum value.
* @returns {{ start: number, end: number }} The parsed range.
*/
export function stringToRange(input, min, max) {
let start, end;
if (typeof input !== 'string') {
input = String(input);
}
if (input.includes('-')) {
const parts = input.split('-');
start = parts[0] ? parseInt(parts[0], 10) : NaN;
end = parts[1] ? parseInt(parts[1], 10) : NaN;
} else {
start = end = parseInt(input, 10);
}
if (isNaN(start) || isNaN(end) || start > end || start < min || end > max) {
return null;
}
return { start, end };
}
/**
* Determines if a value is unique in an array.
* @param {any} value Current value.
* @param {number} index Current index.
* @param {any} array The array being processed.
* @returns {boolean} True if the value is unique, false otherwise.
*/
export function onlyUnique(value, index, array) {
return array.indexOf(value) === index;
}
/**
* Checks if a string only contains digits.
* @param {string} str The string to check.
* @returns {boolean} True if the string only contains digits, false otherwise.
* @example
* isDigitsOnly('123'); // true
* isDigitsOnly('abc'); // false
*/
export function isDigitsOnly(str) {
return /^\d+$/.test(str);
}
/**
* Gets a drag delay for sortable elements. This is to prevent accidental drags when scrolling.
* @returns {number} The delay in milliseconds. 50ms for desktop, 750ms for mobile.
*/
export function getSortableDelay() {
return isMobile() ? 750 : 50;
}
export async function bufferToBase64(buffer) {
// use a FileReader to generate a base64 data URI:
const base64url = await new Promise(resolve => {
const reader = new FileReader();
reader.onload = () => resolve(reader.result);
reader.readAsDataURL(new Blob([buffer]));
});
// remove the `data:...;base64,` part from the start
return base64url.slice(base64url.indexOf(',') + 1);
}
/**
* Rearranges an array in a random order.
* @param {any[]} array The array to shuffle.
* @returns {any[]} The shuffled array.
* @example
* shuffle([1, 2, 3]); // [2, 3, 1]
*/
export function shuffle(array) {
let currentIndex = array.length,
randomIndex;
while (currentIndex != 0) {
randomIndex = Math.floor(Math.random() * currentIndex);
currentIndex--;
[array[currentIndex], array[randomIndex]] = [
array[randomIndex],
array[currentIndex],
];
}
return array;
}
/**
* Downloads a file to the user's devices.
* @param {BlobPart} content File content to download.
* @param {string} fileName File name.
* @param {string} contentType File content type.
*/
export function download(content, fileName, contentType) {
const a = document.createElement('a');
const file = new Blob([content], { type: contentType });
a.href = URL.createObjectURL(file);
a.download = fileName;
a.click();
URL.revokeObjectURL(a.href);
}
/**
* Fetches a file by URL and parses its contents as data URI.
* @param {string} url The URL to fetch.
* @param {any} params Fetch parameters.
* @returns {Promise<string>} A promise that resolves to the data URI.
*/
export async function urlContentToDataUri(url, params) {
const response = await fetch(url, params);
const blob = await response.blob();
return await new Promise((resolve, reject) => {
const reader = new FileReader();
reader.onload = function () {
resolve(String(reader.result));
};
reader.onerror = function (error) {
reject(error);
};
reader.readAsDataURL(blob);
});
}
/**
* Returns a promise that resolves to the file's text.
* @param {Blob} file The file to read.
* @returns {Promise<string>} A promise that resolves to the file's text.
*/
export function getFileText(file) {
return new Promise((resolve, reject) => {
const reader = new FileReader();
reader.readAsText(file);
reader.onload = function () {
resolve(String(reader.result));
};
reader.onerror = function (error) {
reject(error);
};
});
}
/**
* Returns a promise that resolves to the file's array buffer.
* @param {Blob} file The file to read.
*/
export function getFileBuffer(file) {
return new Promise((resolve, reject) => {
const reader = new FileReader();
reader.readAsArrayBuffer(file);
reader.onload = function () {
resolve(reader.result);
};
reader.onerror = function (error) {
reject(error);
};
});
}
/**
* Returns a promise that resolves to the base64 encoded string of a file.
* @param {Blob} file The file to read.
* @returns {Promise<string>} A promise that resolves to the base64 encoded string.
*/
export function getBase64Async(file) {
return new Promise((resolve, reject) => {
const reader = new FileReader();
reader.readAsDataURL(file);
reader.onload = function () {
resolve(String(reader.result));
};
reader.onerror = function (error) {
reject(error);
};
});
}
/**
* Parses a file blob as a JSON object.
* @param {Blob} file The file to read.
* @returns {Promise<any>} A promise that resolves to the parsed JSON object.
*/
export async function parseJsonFile(file) {
return new Promise((resolve, reject) => {
const fileReader = new FileReader();
fileReader.readAsText(file);
fileReader.onload = event => resolve(JSON.parse(String(event.target.result)));
fileReader.onerror = error => reject(error);
});
}
/**
* Calculates a hash code for a string.
* @param {string} str The string to hash.
* @param {number} [seed=0] The seed to use for the hash.
* @returns {number} The hash code.
*/
export function getStringHash(str, seed = 0) {
if (typeof str !== 'string') {
return 0;
}
let h1 = 0xdeadbeef ^ seed,
h2 = 0x41c6ce57 ^ seed;
for (let i = 0, ch; i < str.length; i++) {
ch = str.charCodeAt(i);
h1 = Math.imul(h1 ^ ch, 2654435761);
h2 = Math.imul(h2 ^ ch, 1597334677);
}
h1 = Math.imul(h1 ^ (h1 >>> 16), 2246822507) ^ Math.imul(h2 ^ (h2 >>> 13), 3266489909);
h2 = Math.imul(h2 ^ (h2 >>> 16), 2246822507) ^ Math.imul(h1 ^ (h1 >>> 13), 3266489909);
return 4294967296 * (2097151 & h2) + (h1 >>> 0);
}
/**
* Creates a debounced function that delays invoking func until after wait milliseconds have elapsed since the last time the debounced function was invoked.
* @param {function} func The function to debounce.
* @param {debounce_timeout|number} [timeout=debounce_timeout.default] The timeout based on the common enum values, or in milliseconds.
* @returns {function} The debounced function.
*/
export function debounce(func, timeout = debounce_timeout.standard) {
let timer;
return (...args) => {
clearTimeout(timer);
timer = setTimeout(() => { func.apply(this, args); }, timeout);
};
}
/**
* Creates a throttled function that only invokes func at most once per every limit milliseconds.
* @param {function} func The function to throttle.
* @param {number} [limit=300] The limit in milliseconds.
* @returns {function} The throttled function.
*/
export function throttle(func, limit = 300) {
let lastCall;
return (...args) => {
const now = Date.now();
if (!lastCall || (now - lastCall) >= limit) {
lastCall = now;
func.apply(this, args);
}
};
}
/**
* Checks if an element is in the viewport.
* @param {Element} el The element to check.
* @returns {boolean} True if the element is in the viewport, false otherwise.
*/
export function isElementInViewport(el) {
if (typeof jQuery === 'function' && el instanceof jQuery) {
el = el[0];
}
var rect = el.getBoundingClientRect();
return (
rect.top >= 0 &&
rect.left >= 0 &&
rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) && /* or $(window).height() */
rect.right <= (window.innerWidth || document.documentElement.clientWidth) /* or $(window).width() */
);
}
/**
* Returns a name that is unique among the names that exist.
* @param {string} name The name to check.
* @param {{ (y: any): boolean; }} exists Function to check if name exists.
* @returns {string} A unique name.
*/
export function getUniqueName(name, exists) {
let i = 1;
let baseName = name;
while (exists(name)) {
name = `${baseName} (${i})`;
i++;
}
return name;
}
/**
* Returns a promise that resolves after the specified number of milliseconds.
* @param {number} ms The number of milliseconds to wait.
* @returns {Promise<void>} A promise that resolves after the specified number of milliseconds.
*/
export function delay(ms) {
return new Promise((res) => setTimeout(res, ms));
}
/**
* Checks if an array is a subset of another array.
* @param {any[]} a Array A
* @param {any[]} b Array B
* @returns {boolean} True if B is a subset of A, false otherwise.
*/
export function isSubsetOf(a, b) {
return (Array.isArray(a) && Array.isArray(b)) ? b.every(val => a.includes(val)) : false;
}
/**
* Increments the trailing number in a string.
* @param {string} str The string to process.
* @returns {string} The string with the trailing number incremented by 1.
* @example
* incrementString('Hello, world! 1'); // 'Hello, world! 2'
*/
export function incrementString(str) {
// Find the trailing number or it will match the empty string
const count = str.match(/\d*$/);
// Take the substring up until where the integer was matched
// Concatenate it to the matched count incremented by 1
return str.substring(0, count.index) + (Number(count[0]) + 1);
}
/**
* Formats a string using the specified arguments.
* @param {string} format The format string.
* @returns {string} The formatted string.
* @example
* stringFormat('Hello, {0}!', 'world'); // 'Hello, world!'
*/
export function stringFormat(format) {
const args = Array.prototype.slice.call(arguments, 1);
return format.replace(/{(\d+)}/g, function (match, number) {
return typeof args[number] != 'undefined'
? args[number]
: match;
});
}
/**
* Save the caret position in a contenteditable element.
* @param {Element} element The element to save the caret position of.
* @returns {{ start: number, end: number }} An object with the start and end offsets of the caret.
*/
export function saveCaretPosition(element) {
// Get the current selection
const selection = window.getSelection();
// If the selection is empty, return null
if (selection.rangeCount === 0) {
return null;
}
// Get the range of the current selection
const range = selection.getRangeAt(0);
// If the range is not within the specified element, return null
if (!element.contains(range.commonAncestorContainer)) {
return null;
}
// Return an object with the start and end offsets of the range
const position = {
start: range.startOffset,
end: range.endOffset,
};
console.debug('Caret saved', position);
return position;
}
/**
* Restore the caret position in a contenteditable element.
* @param {Element} element The element to restore the caret position of.
* @param {{ start: any; end: any; }} position An object with the start and end offsets of the caret.
*/
export function restoreCaretPosition(element, position) {
// If the position is null, do nothing
if (!position) {
return;
}
console.debug('Caret restored', position);
// Create a new range object
const range = new Range();
// Set the start and end positions of the range within the element
range.setStart(element.childNodes[0], position.start);
range.setEnd(element.childNodes[0], position.end);
// Create a new selection object and set the range
const selection = window.getSelection();
selection.removeAllRanges();
selection.addRange(range);
}
export async function resetScrollHeight(element) {
$(element).css('height', '0px');
$(element).css('height', $(element).prop('scrollHeight') + 3 + 'px');
}
/**
* Sets the height of an element to its scroll height.
* @param {JQuery<HTMLElement>} element The element to initialize the scroll height of.
* @returns {Promise<void>} A promise that resolves when the scroll height has been initialized.
*/
export async function initScrollHeight(element) {
await delay(1);
const curHeight = Number($(element).css('height').replace('px', ''));
const curScrollHeight = Number($(element).prop('scrollHeight'));
const diff = curScrollHeight - curHeight;
if (diff < 3) { return; } //happens when the div isn't loaded yet
const newHeight = curHeight + diff + 3; //the +3 here is to account for padding/line-height on text inputs
//console.log(`init height to ${newHeight}`);
$(element).css('height', '');
$(element).css('height', `${newHeight}px`);
//resetScrollHeight(element);
}
/**
* Compares elements by their CSS order property. Used for sorting.
* @param {any} a The first element.
* @param {any} b The second element.
* @returns {number} A negative number if a is before b, a positive number if a is after b, or 0 if they are equal.
*/
export function sortByCssOrder(a, b) {
const _a = Number($(a).css('order'));
const _b = Number($(b).css('order'));
return _a - _b;
}
/**
* Trims a string to the end of a nearest sentence.
* @param {string} input The string to trim.
* @param {boolean} include_newline Whether to include a newline character in the trimmed string.
* @returns {string} The trimmed string.
* @example
* trimToEndSentence('Hello, world! I am from'); // 'Hello, world!'
*/
export function trimToEndSentence(input, include_newline = false) {
if (!input) {
return '';
}
const isEmoji = x => /(\p{Emoji_Presentation}|\p{Extended_Pictographic})/gu.test(x);
const punctuation = new Set(['.', '!', '?', '*', '"', ')', '}', '`', ']', '$', '。', '', '', '”', '', '】', '', '」', '_']); // extend this as you see fit
let last = -1;
const characters = Array.from(input);
for (let i = characters.length - 1; i >= 0; i--) {
const char = characters[i];
if (punctuation.has(char) || isEmoji(char)) {
if (i > 0 && /[\s\n]/.test(characters[i - 1])) {
last = i - 1;
} else {
last = i;
}
break;
}
if (include_newline && char === '\n') {
last = i;
break;
}
}
if (last === -1) {
return input.trimEnd();
}
return characters.slice(0, last + 1).join('').trimEnd();
}
export function trimToStartSentence(input) {
if (!input) {
return '';
}
let p1 = input.indexOf('.');
let p2 = input.indexOf('!');
let p3 = input.indexOf('?');
let p4 = input.indexOf('\n');
let first = p1;
let skip1 = false;
if (p2 > 0 && p2 < first) { first = p2; }
if (p3 > 0 && p3 < first) { first = p3; }
if (p4 > 0 && p4 < first) { first = p4; skip1 = true; }
if (first > 0) {
if (skip1) {
return input.substring(first + 1);
} else {
return input.substring(first + 2);
}
}
return input;
}
/**
* Format bytes as human-readable text.
*
* @param bytes Number of bytes.
* @param si True to use metric (SI) units, aka powers of 1000. False to use
* binary (IEC), aka powers of 1024.
* @param dp Number of decimal places to display.
*
* @return Formatted string.
*/
export function humanFileSize(bytes, si = false, dp = 1) {
const thresh = si ? 1000 : 1024;
if (Math.abs(bytes) < thresh) {
return bytes + ' B';
}
const units = si
? ['kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB']
: ['KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'];
let u = -1;
const r = 10 ** dp;
do {
bytes /= thresh;
++u;
} while (Math.round(Math.abs(bytes) * r) / r >= thresh && u < units.length - 1);
return bytes.toFixed(dp) + ' ' + units[u];
}
/**
* Counts the number of occurrences of a character in a string.
* @param {string} string The string to count occurrences in.
* @param {string} character The character to count occurrences of.
* @returns {number} The number of occurrences of the character in the string.
* @example
* countOccurrences('Hello, world!', 'l'); // 3
* countOccurrences('Hello, world!', 'x'); // 0
*/
export function countOccurrences(string, character) {
let count = 0;
for (let i = 0; i < string.length; i++) {
if (string.substring(i, i + character.length) === character) {
count++;
}
}
return count;
}
/**
* Checks if a string is "true" value.
* @param {string} arg String to check
* @returns {boolean} True if the string is true, false otherwise.
*/
export function isTrueBoolean(arg) {
return ['on', 'true', '1'].includes(arg?.trim()?.toLowerCase());
}
/**
* Checks if a string is "false" value.
* @param {string} arg String to check
* @returns {boolean} True if the string is false, false otherwise.
*/
export function isFalseBoolean(arg) {
return ['off', 'false', '0'].includes(arg?.trim()?.toLowerCase());
}
/**
* Checks if a number is odd.
* @param {number} number The number to check.
* @returns {boolean} True if the number is odd, false otherwise.
* @example
* isOdd(3); // true
* isOdd(4); // false
*/
export function isOdd(number) {
return number % 2 !== 0;
}
const dateCache = new Map();
/**
* Cached version of moment() to avoid re-parsing the same date strings.
* Important: Moment objects are mutable, so use clone() before modifying them!
* @param {string|number} timestamp String or number representing a date.
* @returns {moment.Moment} Moment object
*/
export function timestampToMoment(timestamp) {
if (dateCache.has(timestamp)) {
return dateCache.get(timestamp);
}
const moment = parseTimestamp(timestamp);
dateCache.set(timestamp, moment);
return moment;
}
function parseTimestamp(timestamp) {
if (!timestamp) {
return moment.invalid();
}
// Unix time (legacy TAI / tags)
if (typeof timestamp === 'number' || /^\d+$/.test(timestamp)) {
if (isNaN(timestamp) || !isFinite(timestamp) || timestamp < 0) {
return moment.invalid();
}
return moment(Number(timestamp));
}
// ST "humanized" format pattern
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/;
const replacement1 = (match, year, month, day, hour, minute, second, millisecond) => {
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')}.${millisecond.padStart(3, '0')}Z`;
};
const isoTimestamp1 = timestamp.replace(pattern1, replacement1);
if (moment(isoTimestamp1).isValid()) {
return moment(isoTimestamp1);
}
// New format pattern: "June 19, 2023 4:13pm"
const pattern2 = /(\w+)\s(\d{1,2}),\s(\d{4})\s(\d{1,2}):(\d{1,2})(am|pm)/i;
const replacement2 = (match, month, day, year, hour, minute, meridiem) => {
const monthNum = moment().month(month).format('MM');
const hour24 = meridiem.toLowerCase() === 'pm' ? (parseInt(hour, 10) % 12) + 12 : parseInt(hour, 10) % 12;
return `${year}-${monthNum}-${day.padStart(2, '0')}T${hour24.toString().padStart(2, '0')}:${minute.padStart(2, '0')}:00`;
};
const isoTimestamp2 = timestamp.replace(pattern2, replacement2);
if (moment(isoTimestamp2).isValid()) {
return moment(isoTimestamp2);
}
// If none of the patterns match, return an invalid moment object
return moment.invalid();
}
/**
* Compare two moment objects for sorting.
* @param {moment.Moment} a The first moment object.
* @param {moment.Moment} b The second moment object.
* @returns {number} A negative number if a is before b, a positive number if a is after b, or 0 if they are equal.
*/
export function sortMoments(a, b) {
if (a.isBefore(b)) {
return 1;
} else if (a.isAfter(b)) {
return -1;
} else {
return 0;
}
}
/** Split string to parts no more than length in size.
* @param {string} input The string to split.
* @param {number} length The maximum length of each part.
* @param {string[]} delimiters The delimiters to use when splitting the string.
* @returns {string[]} The split string.
* @example
* splitRecursive('Hello, world!', 3); // ['Hel', 'lo,', 'wor', 'ld!']
*/
export function splitRecursive(input, length, delimiters = ['\n\n', '\n', ' ', '']) {
// Invalid length
if (length <= 0) {
return [input];
}
const delim = delimiters[0] ?? '';
const parts = input.split(delim);
const flatParts = parts.flatMap(p => {
if (p.length < length) return p;
return splitRecursive(p, length, delimiters.slice(1));
});
// Merge short chunks
const result = [];
let currentChunk = '';
for (let i = 0; i < flatParts.length;) {
currentChunk = flatParts[i];
let j = i + 1;
while (j < flatParts.length) {
const nextChunk = flatParts[j];
if (currentChunk.length + nextChunk.length + delim.length <= length) {
currentChunk += delim + nextChunk;
} else {
break;
}
j++;
}
i = j;
result.push(currentChunk);
}
return result;
}
/**
* Checks if a string is a valid data URL.
* @param {string} str The string to check.
* @returns {boolean} True if the string is a valid data URL, false otherwise.
* @example
* isDataURL('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUA...'); // true
*/
export function isDataURL(str) {
const regex = /^data:([a-z]+\/[a-z0-9-+.]+(;[a-z-]+=[a-z0-9-]+)*;?)?(base64)?,([a-z0-9!$&',()*+;=\-_%.~:@/?#]+)?$/i;
return regex.test(str);
}
/**
* Gets the size of an image from a data URL.
* @param {string} dataUrl Image data URL
* @returns {Promise<{ width: number, height: number }>} Image size
*/
export function getImageSizeFromDataURL(dataUrl) {
const image = new Image();
image.src = dataUrl;
return new Promise((resolve, reject) => {
image.onload = function () {
resolve({ width: image.width, height: image.height });
};
image.onerror = function () {
reject(new Error('Failed to load image'));
};
});
}
export function getCharaFilename(chid) {
const context = getContext();
const fileName = context.characters[chid ?? context.characterId].avatar;
if (fileName) {
return fileName.replace(/\.[^/.]+$/, '');
}
}
/**
* Extracts words from a string.
* @param {string} value The string to extract words from.
* @returns {string[]} The extracted words.
* @example
* extractAllWords('Hello, world!'); // ['hello', 'world']
*/
export function extractAllWords(value) {
const words = [];
if (!value) {
return words;
}
const matches = value.matchAll(/\b\w+\b/gim);
for (let match of matches) {
words.push(match[0].toLowerCase());
}
return words;
}
/**
* Escapes a string for use in a regular expression.
* @param {string} string The string to escape.
* @returns {string} The escaped string.
* @example
* escapeRegex('^Hello$'); // '\\^Hello\\$'
*/
export function escapeRegex(string) {
return string.replace(/[/\-\\^$*+?.()|[\]{}]/g, '\\$&');
}
/**
* Instantiates a regular expression from a string.
* @param {string} input The input string.
* @returns {RegExp} The regular expression instance.
* @copyright Originally from: https://github.com/IonicaBizau/regex-parser.js/blob/master/lib/index.js
*/
export function regexFromString(input) {
try {
// Parse input
var m = input.match(/(\/?)(.+)\1([a-z]*)/i);
// Invalid flags
if (m[3] && !/^(?!.*?(.).*?\1)[gmixXsuUAJ]+$/.test(m[3])) {
return RegExp(input);
}
// Create the regular expression
return new RegExp(m[2], m[3]);
} catch {
return;
}
}
export class Stopwatch {
/**
* Initializes a Stopwatch class.
* @param {number} interval Update interval in milliseconds. Must be a finite number above zero.
*/
constructor(interval) {
if (isNaN(interval) || !isFinite(interval) || interval <= 0) {
console.warn('Invalid interval for Stopwatch, setting to 1');
interval = 1;
}
this.interval = interval;
this.lastAction = Date.now();
}
/**
* Executes a function if the interval passed.
* @param {(arg0: any) => any} action Action function
* @returns Promise<void>
*/
async tick(action) {
const passed = (Date.now() - this.lastAction);
if (passed < this.interval) {
return;
}
await action();
this.lastAction = Date.now();
}
}
/**
* Provides an interface for rate limiting function calls.
*/
export class RateLimiter {
/**
* Creates a new RateLimiter.
* @param {number} interval The interval in milliseconds.
* @example
* const rateLimiter = new RateLimiter(1000);
* rateLimiter.waitForResolve().then(() => {
* console.log('Waited 1000ms');
* });
*/
constructor(interval) {
this.interval = interval;
this.lastResolveTime = 0;
this.pendingResolve = Promise.resolve();
}
/**
* Waits for the remaining time in the interval.
* @param {AbortSignal} abortSignal An optional AbortSignal to abort the wait.
* @returns {Promise<void>} A promise that resolves when the remaining time has elapsed.
*/
_waitRemainingTime(abortSignal) {
const currentTime = Date.now();
const elapsedTime = currentTime - this.lastResolveTime;
const remainingTime = Math.max(0, this.interval - elapsedTime);
return new Promise((resolve, reject) => {
const timeoutId = setTimeout(() => {
resolve();
}, remainingTime);
if (abortSignal) {
abortSignal.addEventListener('abort', () => {
clearTimeout(timeoutId);
reject(new Error('Aborted'));
});
}
});
}
/**
* Waits for the next interval to elapse.
* @param {AbortSignal} abortSignal An optional AbortSignal to abort the wait.
* @returns {Promise<void>} A promise that resolves when the next interval has elapsed.
*/
async waitForResolve(abortSignal) {
await this.pendingResolve;
this.pendingResolve = this._waitRemainingTime(abortSignal);
// Update the last resolve time
this.lastResolveTime = Date.now() + this.interval;
console.debug(`RateLimiter.waitForResolve() ${this.lastResolveTime}`);
}
}
/**
* Extracts a JSON object from a PNG file.
* Taken from https://github.com/LostRuins/lite.koboldai.net/blob/main/index.html
* Adapted from png-chunks-extract under MIT license
* @param {Uint8Array} data The PNG data to extract the JSON from.
* @param {string} identifier The identifier to look for in the PNG tEXT data.
* @returns {object} The extracted JSON object.
*/
export function extractDataFromPng(data, identifier = 'chara') {
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;
}
}
}
/**
* Sends a request to the server to sanitize a given filename
*
* @param {string} fileName - The name of the file to sanitize
* @returns {Promise<string>} A Promise that resolves to the sanitized filename if successful, or rejects with an error message if unsuccessful
*/
export async function getSanitizedFilename(fileName) {
try {
const result = await fetch('/api/files/sanitize-filename', {
method: 'POST',
headers: getRequestHeaders(),
body: JSON.stringify({
fileName: fileName,
}),
});
if (!result.ok) {
const error = await result.text();
throw new Error(error);
}
const responseData = await result.json();
return responseData.fileName;
} catch (error) {
toastr.error(String(error), 'Could not sanitize fileName');
console.error('Could not sanitize fileName', error);
throw error;
}
}
/**
* Sends a base64 encoded image to the backend to be saved as a file.
*
* @param {string} base64Data - The base64 encoded image data.
* @param {string} characterName - The character name to determine the sub-directory for saving.
* @param {string} ext - The file extension for the image (e.g., 'jpg', 'png', 'webp').
*
* @returns {Promise<string>} - Resolves to the saved image's path on the server.
* Rejects with an error if the upload fails.
*/
export async function saveBase64AsFile(base64Data, characterName, filename = '', ext) {
// Construct the full data URL
const format = ext; // Extract the file extension (jpg, png, webp)
const dataURL = `data:image/${format};base64,${base64Data}`;
// Prepare the request body
const requestBody = {
image: dataURL,
ch_name: characterName,
filename: String(filename).replace(/\./g, '_'),
};
// Send the data URL to your backend using fetch
const response = await fetch('/api/images/upload', {
method: 'POST',
body: JSON.stringify(requestBody),
headers: {
...getRequestHeaders(),
'Content-Type': 'application/json',
},
});
// If the response is successful, get the saved image path from the server's response
if (response.ok) {
const responseData = await response.json();
return responseData.path;
} else {
const errorData = await response.json();
throw new Error(errorData.error || 'Failed to upload the image to the server');
}
}
/**
* Loads either a CSS or JS file and appends it to the appropriate document section.
*
* @param {string} url - The URL of the file to be loaded.
* @param {string} type - The type of file to load: "css" or "js".
* @returns {Promise} - Resolves when the file has loaded, rejects if there's an error or invalid type.
*/
export function loadFileToDocument(url, type) {
return new Promise((resolve, reject) => {
let element;
if (type === 'css') {
element = document.createElement('link');
element.rel = 'stylesheet';
element.href = url;
} else if (type === 'js') {
element = document.createElement('script');
element.src = url;
} else {
reject('Invalid type specified');
return;
}
element.onload = resolve;
element.onerror = reject;
type === 'css'
? document.head.appendChild(element)
: document.body.appendChild(element);
});
}
/**
* Ensure that we can import war crime image formats like WEBP and AVIF.
* @param {File} file Input file
* @returns {Promise<File>} A promise that resolves to the supported file.
*/
export async function ensureImageFormatSupported(file) {
const supportedTypes = [
'image/jpeg',
'image/png',
'image/bmp',
'image/tiff',
'image/gif',
'image/apng',
];
if (supportedTypes.includes(file.type) || !file.type.startsWith('image/')) {
return file;
}
return await convertImageFile(file, 'image/png');
}
/**
* Converts an image file to a given format.
* @param {File} inputFile File to convert
* @param {string} type Target file type
* @returns {Promise<File>} A promise that resolves to the converted file.
*/
export async function convertImageFile(inputFile, type = 'image/png') {
const base64 = await getBase64Async(inputFile);
const thumbnail = await createThumbnail(base64, null, null, type);
const blob = await fetch(thumbnail).then(res => res.blob());
const outputFile = new File([blob], inputFile.name, { type });
return outputFile;
}
/**
* Creates a thumbnail from a data URL.
* @param {string} dataUrl The data URL encoded data of the image.
* @param {number|null} maxWidth The maximum width of the thumbnail.
* @param {number|null} maxHeight The maximum height of the thumbnail.
* @param {string} [type='image/jpeg'] The type of the thumbnail.
* @returns {Promise<string>} A promise that resolves to the thumbnail data URL.
*/
export function createThumbnail(dataUrl, maxWidth = null, maxHeight = null, type = 'image/jpeg') {
// Someone might pass in a base64 encoded string without the data URL prefix
if (!dataUrl.includes('data:')) {
dataUrl = `data:image/jpeg;base64,${dataUrl}`;
}
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 (maxWidth === null) {
thumbnailWidth = img.width;
maxWidth = img.width;
}
if (maxHeight === null) {
thumbnailHeight = img.height;
maxHeight = img.height;
}
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(type);
resolve(thumbnailDataUrl);
};
img.onerror = () => {
reject(new Error('Failed to load the image.'));
};
});
}
/**
* Waits for a condition to be true. Throws an error if the condition is not true within the timeout.
* @param {{ (): boolean; }} condition The condition to wait for.
* @param {number} [timeout=1000] The timeout in milliseconds.
* @param {number} [interval=100] The interval in milliseconds.
* @returns {Promise<void>} A promise that resolves when the condition is true.
*/
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);
});
}
/**
* Returns a UUID v4 string.
* @returns {string} A UUID v4 string.
* @example
* uuidv4(); // '3e2fd9e1-0a7a-4f6d-9aaf-8a7a4babe7eb'
*/
export function uuidv4() {
if ('randomUUID' in crypto) {
return crypto.randomUUID();
}
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);
});
}
function postProcessText(text, collapse = true) {
// Remove carriage returns
text = text.replace(/\r/g, '');
// Replace tabs with spaces
text = text.replace(/\t/g, ' ');
// Normalize unicode spaces
text = text.replace(/\u00A0/g, ' ');
// Collapse multiple newlines into one
if (collapse) {
text = collapseNewlines(text);
// Trim leading and trailing whitespace, and remove empty lines
text = text.split('\n').map(l => l.trim()).filter(Boolean).join('\n');
} else {
// Replace more than 4 newlines with 4 newlines
text = text.replace(/\n{4,}/g, '\n\n\n\n');
// Trim lines that contain nothing but whitespace
text = text.split('\n').map(l => /^\s+$/.test(l) ? '' : l).join('\n');
}
// Collapse multiple spaces into one (except for newlines)
text = text.replace(/ {2,}/g, ' ');
// Remove leading and trailing spaces
text = text.trim();
return text;
}
/**
* Uses Readability.js to parse the text from a web page.
* @param {Document} document HTML document
* @param {string} [textSelector='body'] The fallback selector for the text to parse.
* @returns {Promise<string>} A promise that resolves to the parsed text.
*/
export async function getReadableText(document, textSelector = 'body') {
if (isProbablyReaderable(document)) {
const parser = new Readability(document);
const article = parser.parse();
return postProcessText(article.textContent, false);
}
const elements = document.querySelectorAll(textSelector);
const rawText = Array.from(elements).map(e => e.textContent).join('\n');
const text = postProcessText(rawText);
return text;
}
/**
* Use pdf.js to load and parse text from PDF pages
* @param {Blob} blob PDF file blob
* @returns {Promise<string>} A promise that resolves to the parsed text.
*/
export async function extractTextFromPDF(blob) {
async function initPdfJs() {
const promises = [];
const workerPromise = new Promise((resolve, reject) => {
const workerScript = document.createElement('script');
workerScript.type = 'module';
workerScript.async = true;
workerScript.src = 'lib/pdf.worker.mjs';
workerScript.onload = resolve;
workerScript.onerror = reject;
document.head.appendChild(workerScript);
});
promises.push(workerPromise);
const pdfjsPromise = new Promise((resolve, reject) => {
const pdfjsScript = document.createElement('script');
pdfjsScript.type = 'module';
pdfjsScript.async = true;
pdfjsScript.src = 'lib/pdf.mjs';
pdfjsScript.onload = resolve;
pdfjsScript.onerror = reject;
document.head.appendChild(pdfjsScript);
});
promises.push(pdfjsPromise);
return Promise.all(promises);
}
if (!('pdfjsLib' in window)) {
await initPdfJs();
}
const buffer = await getFileBuffer(blob);
const pdf = await pdfjsLib.getDocument(buffer).promise;
const pages = [];
for (let i = 1; i <= pdf.numPages; i++) {
const page = await pdf.getPage(i);
const textContent = await page.getTextContent();
const text = textContent.items.map(item => item.str).join(' ');
pages.push(text);
}
return postProcessText(pages.join('\n'));
}
/**
* Use DOMParser to load and parse text from HTML
* @param {Blob} blob HTML content blob
* @returns {Promise<string>} A promise that resolves to the parsed text.
*/
export async function extractTextFromHTML(blob, textSelector = 'body') {
const html = await blob.text();
const domParser = new DOMParser();
const document = domParser.parseFromString(DOMPurify.sanitize(html), 'text/html');
return await getReadableText(document, textSelector);
}
/**
* Use showdown to load and parse text from Markdown
* @param {Blob} blob Markdown content blob
* @returns {Promise<string>} A promise that resolves to the parsed text.
*/
export async function extractTextFromMarkdown(blob) {
const markdown = await blob.text();
const text = postProcessText(markdown, false);
return text;
}
export async function extractTextFromEpub(blob) {
async function initEpubJs() {
const epubScript = new Promise((resolve, reject) => {
const epubScript = document.createElement('script');
epubScript.async = true;
epubScript.src = 'lib/epub.min.js';
epubScript.onload = resolve;
epubScript.onerror = reject;
document.head.appendChild(epubScript);
});
const jszipScript = new Promise((resolve, reject) => {
const jszipScript = document.createElement('script');
jszipScript.async = true;
jszipScript.src = 'lib/jszip.min.js';
jszipScript.onload = resolve;
jszipScript.onerror = reject;
document.head.appendChild(jszipScript);
});
return Promise.all([epubScript, jszipScript]);
}
if (!('ePub' in window)) {
await initEpubJs();
}
const book = ePub(blob);
await book.ready;
const sectionPromises = [];
book.spine.each((section) => {
const sectionPromise = (async () => {
const chapter = await book.load(section.href);
if (!(chapter instanceof Document) || !chapter.body?.textContent) {
return '';
}
return chapter.body.textContent.trim();
})();
sectionPromises.push(sectionPromise);
});
const content = await Promise.all(sectionPromises);
const text = content.filter(text => text);
return postProcessText(text.join('\n'), false);
}
/**
* Extracts text from an Office document using the server plugin.
* @param {File} blob File to extract text from
* @returns {Promise<string>} A promise that resolves to the extracted text.
*/
export async function extractTextFromOffice(blob) {
async function checkPluginAvailability() {
try {
const result = await fetch('/api/plugins/office/probe', {
method: 'POST',
headers: getRequestHeaders(),
});
return result.ok;
} catch (error) {
return false;
}
}
const isPluginAvailable = await checkPluginAvailability();
if (!isPluginAvailable) {
throw new Error('Importing Office documents requires a server plugin. Please refer to the documentation for more information.');
}
const base64 = await getBase64Async(blob);
const response = await fetch('/api/plugins/office/parse', {
method: 'POST',
headers: getRequestHeaders(),
body: JSON.stringify({ data: base64 }),
});
if (!response.ok) {
throw new Error('Failed to parse the Office document');
}
const data = await response.text();
return postProcessText(data, false);
}
/**
* Sets a value in an object by a path.
* @param {object} obj Object to set value in
* @param {string} path Key path
* @param {any} value Value to set
* @returns {void}
*/
export function setValueByPath(obj, path, value) {
const keyParts = path.split('.');
let currentObject = obj;
for (let i = 0; i < keyParts.length - 1; i++) {
const part = keyParts[i];
if (!Object.hasOwn(currentObject, part)) {
currentObject[part] = {};
}
currentObject = currentObject[part];
}
currentObject[keyParts[keyParts.length - 1]] = value;
}
/**
* Flashes the given HTML element via CSS flash animation for a defined period
* @param {JQuery<HTMLElement>} element - The element to flash
* @param {number} timespan - A numer in milliseconds how the flash should last
*/
export function flashHighlight(element, timespan = 2000) {
element.addClass('flash animated');
setTimeout(() => element.removeClass('flash animated'), timespan);
}
/**
* A common base function for case-insensitive and accent-insensitive string comparisons.
*
* @param {string} a - The first string to compare.
* @param {string} b - The second string to compare.
* @param {(a:string,b:string)=>boolean} comparisonFunction - The function to use for the comparison.
* @returns {*} - The result of the comparison.
*/
export function compareIgnoreCaseAndAccents(a, b, comparisonFunction) {
if (!a || !b) return comparisonFunction(a, b); // Return the comparison result if either string is empty
// Normalize and remove diacritics, then convert to lower case
const normalizedA = a.normalize('NFD').replace(/[\u0300-\u036f]/g, '').toLowerCase();
const normalizedB = b.normalize('NFD').replace(/[\u0300-\u036f]/g, '').toLowerCase();
// Check if the normalized strings are equal
return comparisonFunction(normalizedA, normalizedB);
}
/**
* Performs a case-insensitive and accent-insensitive substring search.
* This function normalizes the strings to remove diacritical marks and converts them to lowercase to ensure the search is insensitive to case and accents.
*
* @param {string} text - The text in which to search for the substring
* @param {string} searchTerm - The substring to search for in the text
* @returns {boolean} true if the searchTerm is found within the text, otherwise returns false
*/
export function includesIgnoreCaseAndAccents(text, searchTerm) {
return compareIgnoreCaseAndAccents(text, searchTerm, (a, b) => a?.includes(b) === true);
}
/**
* Performs a case-insensitive and accent-insensitive equality check.
* This function normalizes the strings to remove diacritical marks and converts them to lowercase to ensure the search is insensitive to case and accents.
*
* @param {string} a - The first string to compare
* @param {string} b - The second string to compare
* @returns {boolean} true if the strings are equal, otherwise returns false
*/
export function equalsIgnoreCaseAndAccents(a, b) {
return compareIgnoreCaseAndAccents(a, b, (a, b) => a === b);
}
/**
* @typedef {object} Select2Option The option object for select2 controls
* @property {string} id - The unique ID inside this select
* @property {string} text - The text for this option
* @property {number?} [count] - Optionally show the count how often that option was chosen already
*/
/**
* Returns a unique hash as ID for a select2 option text
*
* @param {string} option - The option
* @returns {string} A hashed version of that option
*/
export function getSelect2OptionId(option) {
return String(getStringHash(option));
}
/**
* Modifies the select2 options by adding not existing one and optionally selecting them
*
* @param {JQuery<HTMLElement>} element - The "select" element to add the options to
* @param {string[]|Select2Option[]} items - The option items to build, add or select
* @param {object} [options] - Optional arguments
* @param {boolean} [options.select=false] - Whether the options should be selected right away
* @param {object} [options.changeEventArgs=null] - Optional event args being passed into the "change" event when its triggered because a new options is selected
*/
export function select2ModifyOptions(element, items, { select = false, changeEventArgs = null } = {}) {
if (!items.length) return;
/** @type {Select2Option[]} */
const dataItems = items.map(x => typeof x === 'string' ? { id: getSelect2OptionId(x), text: x } : x);
const existingValues = [];
dataItems.forEach(item => {
// Set the value, creating a new option if necessary
if (element.find('option[value=\'' + item.id + '\']').length) {
if (select) existingValues.push(item.id);
} else {
// Create a DOM Option and optionally pre-select by default
var newOption = new Option(item.text, item.id, select, select);
// Append it to the select
element.append(newOption);
if (select) element.trigger('change', changeEventArgs);
}
if (existingValues.length) element.val(existingValues).trigger('change', changeEventArgs);
});
}
/**
* Returns the ajax settings that can be used on the select2 ajax property to dynamically get the data.
* Can be used on a single global array, querying data from the server or anything similar.
*
* @param {function():Select2Option[]} dataProvider - The provider/function to retrieve the data - can be as simple as "() => myData" for arrays
* @return {{transport: (params, success, failure) => any}} The ajax object with the transport function to use on the select2 ajax property
*/
export function dynamicSelect2DataViaAjax(dataProvider) {
function dynamicSelect2DataTransport(params, success, failure) {
var items = dataProvider();
// fitering if params.data.q available
if (params.data && params.data.q) {
items = items.filter(function (item) {
return includesIgnoreCaseAndAccents(item.text, params.data.q);
});
}
var promise = new Promise(function (resolve, reject) {
resolve({ results: items });
});
promise.then(success);
promise.catch(failure);
}
const ajax = {
transport: dynamicSelect2DataTransport,
};
return ajax;
}
/**
* Checks whether a given control is a select2 choice element - meaning one of the results being displayed in the select multi select box
* @param {JQuery<HTMLElement>|HTMLElement} element - The element to check
* @returns {boolean} Whether this is a choice element
*/
export function isSelect2ChoiceElement(element) {
const $element = $(element);
return ($element.hasClass('select2-selection__choice__display') || $element.parents('.select2-selection__choice__display').length > 0);
}
/**
* Subscribes a 'click' event handler to the choice elements of a select2 multi-select control
*
* @param {JQuery<HTMLElement>} control The original control the select2 was applied to
* @param {function(HTMLElement):void} action - The action to execute when a choice element is clicked
* @param {object} options - Optional parameters
* @param {boolean} [options.buttonStyle=false] - Whether the choices should be styles as a clickable button with color and hover transition, instead of just changed cursor
* @param {boolean} [options.closeDrawer=false] - Whether the drawer should be closed and focus removed after the choice item was clicked
* @param {boolean} [options.openDrawer=false] - Whether the drawer should be opened, even if this click would normally close it
*/
export function select2ChoiceClickSubscribe(control, action, { buttonStyle = false, closeDrawer = false, openDrawer = false } = {}) {
// Add class for styling (hover color, changed cursor, etc)
control.addClass('select2_choice_clickable');
if (buttonStyle) control.addClass('select2_choice_clickable_buttonstyle');
// Get the real container below and create a click handler on that one
const select2Container = control.next('span.select2-container');
select2Container.on('click', function (event) {
const isChoice = isSelect2ChoiceElement(event.target);
if (isChoice) {
event.preventDefault();
// select2 still bubbles the event to open the dropdown. So we close it here and remove focus if we want that
if (closeDrawer) {
control.select2('close');
setTimeout(() => select2Container.find('textarea').trigger('blur'), debounce_timeout.quick);
}
if (openDrawer) {
control.select2('open');
}
// Now execute the actual action that was subscribed
action(event.target);
}
});
}
/**
* Applies syntax highlighting to a given regex string by generating HTML with classes
*
* @param {string} regexStr - The javascript compatible regex string
* @returns {string} The html representation of the highlighted regex
*/
export function highlightRegex(regexStr) {
// Function to escape HTML special characters for safety
const escapeHtml = (str) => str.replace(/[&<>"']/g, match => ({
'&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;', '\'': '&#39;',
})[match]);
// Replace special characters with their HTML-escaped forms
regexStr = escapeHtml(regexStr);
// Patterns that we want to highlight only if they are not escaped
function getPatterns() {
try {
return {
brackets: new RegExp('(?<!\\\\)\\[.*?\\]', 'g'), // Non-escaped square brackets
quantifiers: new RegExp('(?<!\\\\)[*+?{}]', 'g'), // Non-escaped quantifiers
operators: new RegExp('(?<!\\\\)[|.^$()]', 'g'), // Non-escaped operators like | and ()
specialChars: new RegExp('\\\\.', 'g'),
flags: new RegExp('(?<=\\/)([gimsuy]*)$', 'g'), // Match trailing flags
delimiters: new RegExp('^\\/|(?<![\\\\<])\\/', 'g'), // Match leading or trailing delimiters
};
} catch (error) {
return {
brackets: new RegExp('(\\\\)?\\[.*?\\]', 'g'), // Non-escaped square brackets
quantifiers: new RegExp('(\\\\)?[*+?{}]', 'g'), // Non-escaped quantifiers
operators: new RegExp('(\\\\)?[|.^$()]', 'g'), // Non-escaped operators like | and ()
specialChars: new RegExp('\\\\.', 'g'),
flags: new RegExp('/([gimsuy]*)$', 'g'), // Match trailing flags
delimiters: new RegExp('^/|[^\\\\](/)', 'g'), // Match leading or trailing delimiters
};
}
}
const patterns = getPatterns();
// Function to replace each pattern with a highlighted HTML span
const wrapPattern = (pattern, className) => {
regexStr = regexStr.replace(pattern, match => `<span class="${className}">${match}</span>`);
};
// Apply highlighting patterns
wrapPattern(patterns.brackets, 'regex-brackets');
wrapPattern(patterns.quantifiers, 'regex-quantifier');
wrapPattern(patterns.operators, 'regex-operator');
wrapPattern(patterns.specialChars, 'regex-special');
wrapPattern(patterns.flags, 'regex-flags');
wrapPattern(patterns.delimiters, 'regex-delimiter');
return `<span class="regex-highlight">${regexStr}</span>`;
}
/**
* Confirms if the user wants to overwrite an existing data object (like character, world info, etc) if one exists.
* If no data with the name exists, this simply returns true.
*
* @param {string} type - The type of the check ("World Info", "Character", etc)
* @param {string[]} existingNames - The list of existing names to check against
* @param {string} name - The new name
* @param {object} options - Optional parameters
* @param {boolean} [options.interactive=false] - Whether to show a confirmation dialog when needing to overwrite an existing data object
* @param {string} [options.actionName='overwrite'] - The action name to display in the confirmation dialog
* @param {(existingName:string)=>void} [options.deleteAction=null] - Optional action to execute wen deleting an existing data object on overwrite
* @returns {Promise<boolean>} True if the user confirmed the overwrite or there is no overwrite needed, false otherwise
*/
export async function checkOverwriteExistingData(type, existingNames, name, { interactive = false, actionName = 'Overwrite', deleteAction = null } = {}) {
const existing = existingNames.find(x => equalsIgnoreCaseAndAccents(x, name));
if (!existing) {
return true;
}
const overwrite = interactive ? await callPopup(`<h3>${type} ${actionName}</h3><p>A ${type.toLowerCase()} with the same name already exists:<br />${existing}</p>Do you want to overwrite it?`, 'confirm') : false;
if (!overwrite) {
toastr.warning(`${type} ${actionName.toLowerCase()} cancelled. A ${type.toLowerCase()} with the same name already exists:<br />${existing}`, `${type} ${actionName}`, { escapeHtml: false });
return false;
}
toastr.info(`Overwriting Existing ${type}:<br />${existing}`, `${type} ${actionName}`, { escapeHtml: false });
// If there is an action to delete the existing data, do it, as the name might be slightly different so file name would not be the same
if (deleteAction) {
deleteAction(existing);
}
return true;
}