Visible for testing\n */\nconst MAX_VALUE_MILLIS = 4 * 60 * 60 * 1000; // Four hours, like iOS and Android.\n/**\n * The percentage of backoff time to randomize by.\n * See\n * http://go/safe-client-behavior#step-1-determine-the-appropriate-retry-interval-to-handle-spike-traffic\n * for context.\n *\n *
Visible for testing\n */\nconst RANDOM_FACTOR = 0.5;\n/**\n * Based on the backoff method from\n * https://github.com/google/closure-library/blob/master/closure/goog/math/exponentialbackoff.js.\n * Extracted here so we don't need to pass metadata and a stateful ExponentialBackoff object around.\n */\nfunction calculateBackoffMillis(backoffCount, intervalMillis = DEFAULT_INTERVAL_MILLIS, backoffFactor = DEFAULT_BACKOFF_FACTOR) {\n // Calculates an exponentially increasing value.\n // Deviation: calculates value from count and a constant interval, so we only need to save value\n // and count to restore state.\n const currBaseValue = intervalMillis * Math.pow(backoffFactor, backoffCount);\n // A random \"fuzz\" to avoid waves of retries.\n // Deviation: randomFactor is required.\n const randomWait = Math.round(\n // A fraction of the backoff value to add/subtract.\n // Deviation: changes multiplication order to improve readability.\n RANDOM_FACTOR *\n currBaseValue *\n // A random float (rounded to int by Math.round above) in the range [-1, 1]. Determines\n // if we add or subtract.\n (Math.random() - 0.5) *\n 2);\n // Limits backoff to max to avoid effectively permanent backoff.\n return Math.min(MAX_VALUE_MILLIS, currBaseValue + randomWait);\n}\n\n/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n/**\n * Provide English ordinal letters after a number\n */\nfunction ordinal(i) {\n if (!Number.isFinite(i)) {\n return `${i}`;\n }\n return i + indicator(i);\n}\nfunction indicator(i) {\n i = Math.abs(i);\n const cent = i % 100;\n if (cent >= 10 && cent <= 20) {\n return 'th';\n }\n const dec = i % 10;\n if (dec === 1) {\n return 'st';\n }\n if (dec === 2) {\n return 'nd';\n }\n if (dec === 3) {\n return 'rd';\n }\n return 'th';\n}\n\n/**\n * @license\n * Copyright 2021 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\nfunction getModularInstance(service) {\n if (service && service._delegate) {\n return service._delegate;\n }\n else {\n return service;\n }\n}\n\nexport { CONSTANTS, DecodeBase64StringError, Deferred, ErrorFactory, FirebaseError, MAX_VALUE_MILLIS, RANDOM_FACTOR, Sha1, areCookiesEnabled, assert, assertionError, async, base64, base64Decode, base64Encode, base64urlEncodeWithoutPadding, calculateBackoffMillis, contains, createMockUserToken, createSubscribe, decode, deepCopy, deepEqual, deepExtend, errorPrefix, extractQuerystring, getDefaultAppConfig, getDefaultEmulatorHost, getDefaultEmulatorHostnameAndPort, getDefaults, getExperimentalSetting, getGlobal, getModularInstance, getUA, isAdmin, isBrowser, isBrowserExtension, isCloudWorkstation, isCloudflareWorker, isElectron, isEmpty, isIE, isIndexedDBAvailable, isMobileCordova, isNode, isNodeSdk, isReactNative, isSafari, isSafariOrWebkit, isUWP, isValidFormat, isValidTimestamp, isWebWorker, issuedAtTime, jsonEval, map, ordinal, pingServer, promiseWithTimeout, querystring, querystringDecode, safeGet, stringLength, stringToByteArray, stringify, updateEmulatorBanner, validateArgCount, validateCallback, validateContextObject, validateIndexedDBOpenable, validateNamespace };\n//# sourceMappingURL=index.esm2017.js.map\n","const getDefaultsFromPostinstall = () => (undefined);\nexport { getDefaultsFromPostinstall };","import { registerVersion } from '@firebase/app';\nexport * from '@firebase/app';\n\nvar name = \"firebase\";\nvar version = \"11.10.0\";\n\n/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\nregisterVersion(name, version, 'app');\n//# sourceMappingURL=index.esm.js.map\n","export * from '@firebase/messaging';\n//# sourceMappingURL=index.esm.js.map\n","import { w as wrap, r as replaceTraps } from './wrap-idb-value.js';\nexport { u as unwrap, w as wrap } from './wrap-idb-value.js';\n\n/**\n * Open a database.\n *\n * @param name Name of the database.\n * @param version Schema version.\n * @param callbacks Additional callbacks.\n */\nfunction openDB(name, version, { blocked, upgrade, blocking, terminated } = {}) {\n const request = indexedDB.open(name, version);\n const openPromise = wrap(request);\n if (upgrade) {\n request.addEventListener('upgradeneeded', (event) => {\n upgrade(wrap(request.result), event.oldVersion, event.newVersion, wrap(request.transaction), event);\n });\n }\n if (blocked) {\n request.addEventListener('blocked', (event) => blocked(\n // Casting due to https://github.com/microsoft/TypeScript-DOM-lib-generator/pull/1405\n event.oldVersion, event.newVersion, event));\n }\n openPromise\n .then((db) => {\n if (terminated)\n db.addEventListener('close', () => terminated());\n if (blocking) {\n db.addEventListener('versionchange', (event) => blocking(event.oldVersion, event.newVersion, event));\n }\n })\n .catch(() => { });\n return openPromise;\n}\n/**\n * Delete a database.\n *\n * @param name Name of the database.\n */\nfunction deleteDB(name, { blocked } = {}) {\n const request = indexedDB.deleteDatabase(name);\n if (blocked) {\n request.addEventListener('blocked', (event) => blocked(\n // Casting due to https://github.com/microsoft/TypeScript-DOM-lib-generator/pull/1405\n event.oldVersion, event));\n }\n return wrap(request).then(() => undefined);\n}\n\nconst readMethods = ['get', 'getKey', 'getAll', 'getAllKeys', 'count'];\nconst writeMethods = ['put', 'add', 'delete', 'clear'];\nconst cachedMethods = new Map();\nfunction getMethod(target, prop) {\n if (!(target instanceof IDBDatabase &&\n !(prop in target) &&\n typeof prop === 'string')) {\n return;\n }\n if (cachedMethods.get(prop))\n return cachedMethods.get(prop);\n const targetFuncName = prop.replace(/FromIndex$/, '');\n const useIndex = prop !== targetFuncName;\n const isWrite = writeMethods.includes(targetFuncName);\n if (\n // Bail if the target doesn't exist on the target. Eg, getAll isn't in Edge.\n !(targetFuncName in (useIndex ? IDBIndex : IDBObjectStore).prototype) ||\n !(isWrite || readMethods.includes(targetFuncName))) {\n return;\n }\n const method = async function (storeName, ...args) {\n // isWrite ? 'readwrite' : undefined gzipps better, but fails in Edge :(\n const tx = this.transaction(storeName, isWrite ? 'readwrite' : 'readonly');\n let target = tx.store;\n if (useIndex)\n target = target.index(args.shift());\n // Must reject if op rejects.\n // If it's a write operation, must reject if tx.done rejects.\n // Must reject with op rejection first.\n // Must resolve with op value.\n // Must handle both promises (no unhandled rejections)\n return (await Promise.all([\n target[targetFuncName](...args),\n isWrite && tx.done,\n ]))[0];\n };\n cachedMethods.set(prop, method);\n return method;\n}\nreplaceTraps((oldTraps) => ({\n ...oldTraps,\n get: (target, prop, receiver) => getMethod(target, prop) || oldTraps.get(target, prop, receiver),\n has: (target, prop) => !!getMethod(target, prop) || oldTraps.has(target, prop),\n}));\n\nexport { deleteDB, openDB };\n","const instanceOfAny = (object, constructors) => constructors.some((c) => object instanceof c);\n\nlet idbProxyableTypes;\nlet cursorAdvanceMethods;\n// This is a function to prevent it throwing up in node environments.\nfunction getIdbProxyableTypes() {\n return (idbProxyableTypes ||\n (idbProxyableTypes = [\n IDBDatabase,\n IDBObjectStore,\n IDBIndex,\n IDBCursor,\n IDBTransaction,\n ]));\n}\n// This is a function to prevent it throwing up in node environments.\nfunction getCursorAdvanceMethods() {\n return (cursorAdvanceMethods ||\n (cursorAdvanceMethods = [\n IDBCursor.prototype.advance,\n IDBCursor.prototype.continue,\n IDBCursor.prototype.continuePrimaryKey,\n ]));\n}\nconst cursorRequestMap = new WeakMap();\nconst transactionDoneMap = new WeakMap();\nconst transactionStoreNamesMap = new WeakMap();\nconst transformCache = new WeakMap();\nconst reverseTransformCache = new WeakMap();\nfunction promisifyRequest(request) {\n const promise = new Promise((resolve, reject) => {\n const unlisten = () => {\n request.removeEventListener('success', success);\n request.removeEventListener('error', error);\n };\n const success = () => {\n resolve(wrap(request.result));\n unlisten();\n };\n const error = () => {\n reject(request.error);\n unlisten();\n };\n request.addEventListener('success', success);\n request.addEventListener('error', error);\n });\n promise\n .then((value) => {\n // Since cursoring reuses the IDBRequest (*sigh*), we cache it for later retrieval\n // (see wrapFunction).\n if (value instanceof IDBCursor) {\n cursorRequestMap.set(value, request);\n }\n // Catching to avoid \"Uncaught Promise exceptions\"\n })\n .catch(() => { });\n // This mapping exists in reverseTransformCache but doesn't doesn't exist in transformCache. This\n // is because we create many promises from a single IDBRequest.\n reverseTransformCache.set(promise, request);\n return promise;\n}\nfunction cacheDonePromiseForTransaction(tx) {\n // Early bail if we've already created a done promise for this transaction.\n if (transactionDoneMap.has(tx))\n return;\n const done = new Promise((resolve, reject) => {\n const unlisten = () => {\n tx.removeEventListener('complete', complete);\n tx.removeEventListener('error', error);\n tx.removeEventListener('abort', error);\n };\n const complete = () => {\n resolve();\n unlisten();\n };\n const error = () => {\n reject(tx.error || new DOMException('AbortError', 'AbortError'));\n unlisten();\n };\n tx.addEventListener('complete', complete);\n tx.addEventListener('error', error);\n tx.addEventListener('abort', error);\n });\n // Cache it for later retrieval.\n transactionDoneMap.set(tx, done);\n}\nlet idbProxyTraps = {\n get(target, prop, receiver) {\n if (target instanceof IDBTransaction) {\n // Special handling for transaction.done.\n if (prop === 'done')\n return transactionDoneMap.get(target);\n // Polyfill for objectStoreNames because of Edge.\n if (prop === 'objectStoreNames') {\n return target.objectStoreNames || transactionStoreNamesMap.get(target);\n }\n // Make tx.store return the only store in the transaction, or undefined if there are many.\n if (prop === 'store') {\n return receiver.objectStoreNames[1]\n ? undefined\n : receiver.objectStore(receiver.objectStoreNames[0]);\n }\n }\n // Else transform whatever we get back.\n return wrap(target[prop]);\n },\n set(target, prop, value) {\n target[prop] = value;\n return true;\n },\n has(target, prop) {\n if (target instanceof IDBTransaction &&\n (prop === 'done' || prop === 'store')) {\n return true;\n }\n return prop in target;\n },\n};\nfunction replaceTraps(callback) {\n idbProxyTraps = callback(idbProxyTraps);\n}\nfunction wrapFunction(func) {\n // Due to expected object equality (which is enforced by the caching in `wrap`), we\n // only create one new func per func.\n // Edge doesn't support objectStoreNames (booo), so we polyfill it here.\n if (func === IDBDatabase.prototype.transaction &&\n !('objectStoreNames' in IDBTransaction.prototype)) {\n return function (storeNames, ...args) {\n const tx = func.call(unwrap(this), storeNames, ...args);\n transactionStoreNamesMap.set(tx, storeNames.sort ? storeNames.sort() : [storeNames]);\n return wrap(tx);\n };\n }\n // Cursor methods are special, as the behaviour is a little more different to standard IDB. In\n // IDB, you advance the cursor and wait for a new 'success' on the IDBRequest that gave you the\n // cursor. It's kinda like a promise that can resolve with many values. That doesn't make sense\n // with real promises, so each advance methods returns a new promise for the cursor object, or\n // undefined if the end of the cursor has been reached.\n if (getCursorAdvanceMethods().includes(func)) {\n return function (...args) {\n // Calling the original function with the proxy as 'this' causes ILLEGAL INVOCATION, so we use\n // the original object.\n func.apply(unwrap(this), args);\n return wrap(cursorRequestMap.get(this));\n };\n }\n return function (...args) {\n // Calling the original function with the proxy as 'this' causes ILLEGAL INVOCATION, so we use\n // the original object.\n return wrap(func.apply(unwrap(this), args));\n };\n}\nfunction transformCachableValue(value) {\n if (typeof value === 'function')\n return wrapFunction(value);\n // This doesn't return, it just creates a 'done' promise for the transaction,\n // which is later returned for transaction.done (see idbObjectHandler).\n if (value instanceof IDBTransaction)\n cacheDonePromiseForTransaction(value);\n if (instanceOfAny(value, getIdbProxyableTypes()))\n return new Proxy(value, idbProxyTraps);\n // Return the same value back if we're not going to transform it.\n return value;\n}\nfunction wrap(value) {\n // We sometimes generate multiple promises from a single IDBRequest (eg when cursoring), because\n // IDB is weird and a single IDBRequest can yield many responses, so these can't be cached.\n if (value instanceof IDBRequest)\n return promisifyRequest(value);\n // If we've already transformed this value before, reuse the transformed value.\n // This is faster, but it also provides object equality.\n if (transformCache.has(value))\n return transformCache.get(value);\n const newValue = transformCachableValue(value);\n // Not all types are transformed.\n // These may be primitive types, so they can't be WeakMap keys.\n if (newValue !== value) {\n transformCache.set(value, newValue);\n reverseTransformCache.set(newValue, value);\n }\n return newValue;\n}\nconst unwrap = (value) => reverseTransformCache.get(value);\n\nexport { reverseTransformCache as a, instanceOfAny as i, replaceTraps as r, unwrap as u, wrap as w };\n","'use strict';\n\nvar m = require('react-dom');\nif (process.env.NODE_ENV === 'production') {\n exports.createRoot = m.createRoot;\n exports.hydrateRoot = m.hydrateRoot;\n} else {\n var i = m.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED;\n exports.createRoot = function(c, o) {\n i.usingClientEntryPoint = true;\n try {\n return m.createRoot(c, o);\n } finally {\n i.usingClientEntryPoint = false;\n }\n };\n exports.hydrateRoot = function(c, h, o) {\n i.usingClientEntryPoint = true;\n try {\n return m.hydrateRoot(c, h, o);\n } finally {\n i.usingClientEntryPoint = false;\n }\n };\n}\n","import { PACKAGE_VERSION } from './version.js';\n\n// Name of this application, used in the User-Agent.\nexport const APP_NAME = 'TinodeWeb/' + (PACKAGE_VERSION || '0.24');\n\n// API key. Use https://github.com/tinode/chat/tree/master/keygen to generate your own\nexport const API_KEY = 'AQEAAAABAAD_rAp4DJh05a1HAwFT3A6K';\n\n// The array of possible hosts to connect to.\nexport const KNOWN_HOSTS = {hosted: 'web.tinode.co', local: 'localhost:6060'};\n\n// Default host name and port to connect to.\nexport const DEFAULT_HOST = KNOWN_HOSTS.hosted;\n\n// Enable console logging.\nexport const LOGGING_ENABLED = true;\n\n// Minimum time between two keypress notifications, milliseconds.\nexport const KEYPRESS_DELAY = 3_000;\n// Delay before sending a read notification, milliseconds.\nexport const READ_DELAY = 1_500;\n\n// The default shortest allowed tag length. Matches the value on the server.\nexport const MIN_TAG_LENGTH = 2;\n// The default greatest allowed tag length. Matches the value on the server.\nexport const MAX_TAG_LENGTH = 96;\n// The default maximum number of tags allowed. Matches the value on the server.\nexport const MAX_TAG_COUNT = 16;\n\n// Access mode for P2P subscriptions initiated by the current user.\nexport const DEFAULT_P2P_ACCESS_MODE = 'JRWPS';\n// Access mode for new group topics created by the current user.\nexport const NEW_GRP_ACCESS_MODE = 'JRWPSAO';\n// Access mode for a channel.\nexport const CHANNEL_ACCESS_MODE = 'JR';\n\n// Access mode for no access.\nexport const NO_ACCESS_MODE = 'N';\n\n// Mediaquery breakpoint between desktop and mobile, in px. Should match the value\n// in @media (max-size: 640px) in base.css\nexport const MEDIA_BREAKPOINT = 640;\n// Size of css 'rem' unit in pixels. Default 1rem = 10pt = 13px.\nexport const REM_SIZE = 13;\n\n// Size of the avatar image: when image dimensions are greater or the image is not square, it's resized to\n// a square of this size or less.\nexport const AVATAR_SIZE = 384;\n\n// Maximum size of an avatar in bytes for sending in-band. Bigger avatars will be sent out of band (as uploads).\nexport const MAX_AVATAR_BYTES = 4096;\n\n// Size of the broken_image shown in MessagesView\nexport const BROKEN_IMAGE_SIZE = 32;\n\n// Size of video preview when dimensions are missing.\nexport const NO_DIMENSIONS_VIDEO = 128;\n\n// Number of chat messages to fetch in one call.\nexport const MESSAGES_PAGE = 24;\n\n// Default maximum in-band (included directly into the message) attachment size which fits into\n// a message of 256K in size. Used when the server-provided value is unavailable. The actual\n// binary size of the attachment should be smaller due to base64 encoding expansion and some overhead,\n// for instance 1024 bytes.\n// Increase this limit to a greater value in production, if desired. Also increase\n// max_message_size in the server config.\nexport const MAX_INBAND_ATTACHMENT_SIZE = 262_144;\n\n// Default absolute maximum attachment size to be used with the server = 8MB.\n// Used when the server-provided value is unavailable. Increase to something like 100MB in production.\nexport const MAX_EXTERN_ATTACHMENT_SIZE = 1 << 23;\n\n// Maximum allowed linear dimension (pixels) of an image sent inline. Larger images will be shrunk\n// to make the larger dimension fit under this size. You may want to adjust it to 1600 or\n// 2400 for production.\nexport const MAX_IMAGE_DIM = 1024;\n\n// Linear dimensions of image preview: shrink image under this size for previews.\nexport const IMAGE_PREVIEW_DIM = 64;\n\n// Linear dimensions of video screencapture: shrink image under this size for previews.\nexport const VIDEO_PREVIEW_DIM = 96;\n\n// Linear dimensions of image thumbnail: shrink image under this size for thumbnails in reply quote previews.\nexport const IMAGE_THUMBNAIL_DIM = 36;\n// Width of video thumbnail: allow it to be wider, but not taller. Use IMAGE_THUMBNAIL_DIM for height.\nexport const VIDEO_THUMBNAIL_WIDTH = 48;\n\n// Maximum number of online users to be shown in a topic title bar. Others will be\n// hidden under \"+X more\"\nexport const MAX_ONLINE_IN_TOPIC = 4;\n\n// Maximum length of user name, topic title, and private comment.\nexport const MAX_TITLE_LENGTH = 60;\n// Maximum length of topic description.\nexport const MAX_TOPIC_DESCRIPTION_LENGTH = 360;\n// Maximum length of user name when displaying a video call.\nexport const MAX_PEER_TITLE_LENGTH = 24;\n\n// Length of message previews in chat list, in characters.\nexport const MESSAGE_PREVIEW_LENGTH = 80;\n\n// Length of a quote in quoted reply (for outgoing messages).\nexport const QUOTED_REPLY_LENGTH = 30;\n// Length of a preview of a forwarded message.\nexport const FORWARDED_PREVIEW_LENGTH = 84;\n// Length of preview for a message being edited.\nexport const EDIT_PREVIEW_LENGTH = 48;\n\n// Minimum duration of an audio recording in milliseconds (2 sec).\nexport const MIN_DURATION = 2_000;\n// Maximum duration of an audio recording in milliseconds (10 min).\nexport const MAX_DURATION = 600_000;\n\n// Link for \"Contact Us\".\nexport const LINK_CONTACT_US = 'mailto:support@tinode.co';\n\n// Link to Privacy Policy.\nexport const LINK_PRIVACY_POLICY = 'https://tinode.co/privacy.html';\n\n// Link to Terms of Service.\nexport const LINK_TERMS_OF_SERVICE = 'https://tinode.co/terms.html';\n\n// When user starts a P2P topic, automatic subscription does not\n// happen until the first message. Setting this option to true enables\n// immediate subscription.\nexport const IMMEDIATE_P2P_SUBSCRIPTION = false;\n\n// URL schemes permitted to appear in links (i.e. no javascript: scheme).\nexport const CLICKABLE_URL_SCHEMES = ['http', 'https', 'ftp', 'ftps'];\n\n// Size of the QR code in the app.\nexport const QRCODE_SIZE = 128;\n\n// How much time has to pass to consider computer awoken from sleep (80 sec).\n// Chrome throttles ticker events in inactive tabs to once per minute. This\n// value ensures that these once-a-minute events do not trigger a reconnect.\nexport const WAKE_UP_TIMEOUT = 80000;\n// Timer interval between checks if computer woke up from sleep (1 sec).\nexport const WAKE_UP_TICK = 1000;\n\n// Swipe distance to register as a gesture, in pixels.\nexport const MIN_SWIPE_DISTANCE = REM_SIZE * 3;\n\n// Self-topic avatar as an SVG icon encoded as data URI\nexport const SELF_AVATAR_URI = 'data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0idXRmLTgiPz48c3ZnIHZpZXdCb3g9IjAgMCAxNyAxNyIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48cGF0aCBkPSJNMy41NjIgMXYxNS40NTlsNC42ODYtMy4yNyA0Ljc1MiAzLjI2di0xNS40NDloLTkuNDM4ek0xMiAxNC41NTFsLTMuNzU2LTIuNTc4LTMuNjgxIDIuNTY4di0xMi41NDFoNy40Mzd2MTIuNTUxeiIgZmlsbD0iIzU1NTU1NSIgLz48L3N2Zz4=' // eslint-disable-line max-len\n\n// Toast display duration, milliseconds.\nexport const TOAST_DURATION = 3_000;\n\n// Initial/default color scheme.\nexport const DEFAULT_COLOR_SCHEME = 'auto';\n\n// Default text size in points.\nexport const DEFAULT_TEXT_SIZE = 10;\n\n// MIME type for the legacy Drafty form-response data.\nexport const DRAFTY_FR_MIME_TYPE_LEGACY = 'application/json'; // Remove in 2026.\n\n// Path to wallpaper images.\nexport const WALLPAPER_DEFAULTS = {type: 'patt', index: 0, path:'img/bkg/'};\n","// Video call states.\nexport const CALL_STATE_NONE = 0;\nexport const CALL_STATE_OUTGOING_INITATED = 1;\nexport const CALL_STATE_INCOMING_RECEIVED = 2;\nexport const CALL_STATE_IN_PROGRESS = 3;\n\n// Video call message headers representing call state.\nexport const CALL_HEAD_STARTED = 'started';\n\n","// File and image helper functions.\n\n// Supported image MIME types and corresponding file extensions.\nexport const SUPPORTED_IMAGE_FORMATS = ['image/jpeg', 'image/gif', 'image/png', 'image/svg', 'image/svg+xml'];\nexport const MIME_EXTENSIONS = ['jpg', 'gif', 'png', 'svg', 'svg'];\n\n// Get an URL from a theCard photo: either create a data: URL or return reference URL.\nexport function makeImageUrl(photo) {\n if (photo && typeof photo == 'object') {\n if (photo.ref) {\n return photo.ref\n }\n if (photo.data && photo.type) {\n const mime = photo.type.startsWith('image/') ? photo.type : ('image/' + photo.type);\n return 'data:' + mime + ';base64,' + photo.data;\n }\n }\n return null;\n}\n\n// Calculate linear dimensions for scaling image down to fit under a certain size.\n// Returns an object which contains destination sizes, source sizes, and offsets\n// into source (when making square images).\nexport function fitImageSize(width, height, maxWidth, maxHeight, forceSquare) {\n // Sanitize input\n width = width | 0;\n height = height | 0;\n maxWidth = maxWidth | 0;\n maxHeight = maxHeight | 0;\n\n if (width <= 0 || height <= 0 || maxWidth <= 0 || maxHeight <= 0) {\n return null;\n }\n\n if (forceSquare) {\n maxWidth = maxHeight = Math.min(maxWidth, maxHeight);\n }\n\n const scale = Math.min(\n Math.min(width, maxWidth) / width,\n Math.min(height, maxHeight) / height\n );\n\n const size = {\n dstWidth: (width * scale) | 0,\n dstHeight: (height * scale) | 0,\n };\n\n if (forceSquare) {\n // Also calculate parameters for making the image square.\n size.dstWidth = size.dstHeight = Math.min(size.dstWidth, size.dstHeight);\n size.srcWidth = size.srcHeight = Math.min(width, height);\n size.xoffset = ((width - size.srcWidth) / 2) | 0;\n size.yoffset = ((height - size.srcWidth) / 2) | 0;\n } else {\n size.xoffset = size.yoffset = 0;\n size.srcWidth = width;\n size.srcHeight = height;\n }\n return size;\n}\n\n// Ensure file's extension matches mime content type\nexport function fileNameForMime(fname, mime) {\n const idx = SUPPORTED_IMAGE_FORMATS.indexOf(mime);\n if (idx < 0 || !fname) {\n // Unknown mime or empty name.\n return fname;\n }\n const ext = MIME_EXTENSIONS[idx];\n\n const at = fname.lastIndexOf('.');\n if (at >= 0) {\n fname = fname.substring(0, at);\n }\n return fname + '.' + ext;\n}\n\n// Scale uploaded image to fit under certain dimensions and byte size, optionally constraining to a square.\n// Returns a promise which is resolven on success or rejected on failure.\nexport function imageScaled(fileOrBlob, maxWidth, maxHeight, maxSize, forceSquare) {\n return new Promise((resolve, reject) => {\n const img = new Image();\n img.crossOrigin = 'Anonymous';\n img.onerror = function(err) {\n reject(new Error(\"Image format unrecognized\"));\n }\n img.onload = async function() {\n // Once the image is loaded, the URL is no longer needed.\n URL.revokeObjectURL(img.src);\n\n // Calculate the desired image dimensions.\n const dim = fitImageSize(img.width, img.height, maxWidth, maxHeight, forceSquare);\n if (!dim) {\n reject(new Error(\"Invalid image\"));\n return;\n }\n let canvas = document.createElement('canvas');\n canvas.width = dim.dstWidth;\n canvas.height = dim.dstHeight;\n let ctx = canvas.getContext('2d');\n ctx.imageSmoothingEnabled = true;\n ctx.drawImage(img, dim.xoffset, dim.yoffset, dim.srcWidth, dim.srcHeight,\n 0, 0, dim.dstWidth, dim.dstHeight);\n\n const mime = SUPPORTED_IMAGE_FORMATS.includes(fileOrBlob.type) ? fileOrBlob.type : 'image/jpeg';\n // Generate blob to check size of the image.\n let blob = await new Promise(resolve => canvas.toBlob(resolve, mime));\n if (!blob) {\n reject(new Error(\"Unsupported image format\"));\n return;\n }\n // Ensure the image is not too large. Shrink the image keeping the aspect ratio.\n // Do nothing if maxsize is <= 0.\n while (maxSize > 0 && blob.length > maxSize) {\n dim.dstWidth = (dim.dstWidth * 0.70710678118) | 0;\n dim.dstHeight = (dim.dstHeight * 0.70710678118) | 0;\n canvas.width = dim.dstWidth;\n canvas.height = dim.dstHeight;\n ctx = canvas.getContext('2d');\n ctx.clearRect(0, 0, canvas.width, canvas.height);\n ctx.drawImage(img, dim.xoffset, dim.yoffset, dim.srcWidth, dim.srcHeight,\n 0, 0, dim.dstWidth, dim.dstHeight);\n blob = await new Promise(resolve => canvas.toBlob(resolve, mime));\n }\n\n canvas = null;\n resolve({mime: mime, blob: blob, width: dim.dstWidth, height: dim.dstHeight, name: fileNameForMime(fileOrBlob.name, mime)});\n };\n img.src = URL.createObjectURL(fileOrBlob);\n });\n}\n\n// Scale and crop image according to specified dimensions.\n// The coordinates are in unscaled image pixels, i.e. cut the rectangle first then scale it.\n// returns a promise.\nexport function imageCrop(mime, objURL, left, top, width, height, scale) {\n return new Promise((resolve, reject) => {\n const img = new Image();\n img.crossOrigin = 'Anonymous';\n img.onerror = _ => {\n reject(new Error(\"Image format unrecognized\"));\n };\n img.onload = _ => {\n // Once the image is loaded, the URL is no longer needed.\n URL.revokeObjectURL(img.src);\n\n let canvas = document.createElement('canvas');\n canvas.width = width * scale;\n canvas.height = height * scale;\n let ctx = canvas.getContext('2d');\n ctx.imageSmoothingEnabled = true;\n ctx.drawImage(img, left, top, width, height, 0, 0, canvas.width, canvas.height);\n\n mime = SUPPORTED_IMAGE_FORMATS.includes(mime) ? mime : 'image/jpeg';\n // Generate blob to check size of the image.\n canvas.toBlob((blob) => {\n // Allow GC.\n canvas = null;\n if (blob) {\n resolve({mime: mime, blob: blob, width: width, height: height});\n } else {\n reject(new Error(\"Unsupported image format\"));\n }\n }, mime);\n };\n img.src = objURL;\n });\n}\n\n// Convert file to base64 string.\nexport function fileToBase64(file) {\n return new Promise((resolve, reject) => {\n const reader = new FileReader();\n reader.onerror = _ => {\n reject(reader.error);\n };\n reader.onload = _ => {\n resolve({mime: file.type, bits: reader.result.split(',')[1], name: file.name});\n };\n reader.readAsDataURL(file);\n });\n}\n\n// Convert Blob to base64 string. Returns a promise resolved with the base64 string and mime.\nexport function blobToBase64(blob) {\n return new Promise((resolve, reject) => {\n const reader = new FileReader();\n reader.onerror = _ => {\n reject(reader.error);\n };\n reader.onload = _ => {\n resolve({mime: blob.type, bits: reader.result.split(',')[1]});\n };\n reader.readAsDataURL(blob);\n });\n}\n\n// File pasted from the clipboard. It's either an inline image or a file attachment.\nexport function filePasted(event, onImageSuccess, onAttachmentSuccess, onError) {\n const items = (event.clipboardData || event.originalEvent.clipboardData || {}).items;\n if (!items || !items.length) {\n return false;\n }\n\n for (let i in items) {\n const item = items[i];\n if (item.kind === 'file') {\n const file = item.getAsFile();\n if (!file) {\n console.error(\"Failed to get file object from pasted file item\", item.kind, item.type);\n onError(\"Failed to get file object from pasted file item\");\n continue;\n }\n if (file.type && file.type.split('/')[0] == 'image') {\n onImageSuccess(file);\n } else {\n onAttachmentSuccess(file);\n }\n // Indicate that the pasted data contains a file.\n return true;\n }\n }\n // No file found.\n return false;\n}\n\n// Get mime type from data URL header.\nexport function getMimeType(header) {\n const mime = /^data:(image\\/[-+a-z0-9.]+);base64/.exec(header);\n return (mime && mime.length > 1) ? mime[1] : null;\n}\n\n// Given length of a binary object in bytes, calculate the length after\n// base64 encoding.\nexport function base64EncodedLen(n) {\n return Math.floor((n + 2) / 3) * 4;\n}\n\n// Given length of a base64-encoded object, calculate decoded size of the\n// pbject in bytes.\nexport function base64DecodedLen(n) {\n return Math.floor(n / 4) * 3;\n}\n\n// Re-encode string to standard base64 encoding with padding.\n// The string may be base64-URL encoded without the padding.\nexport function base64ReEncode(str) {\n if (str) {\n str = str.replace(/-/g, '+').replace(/_/g, '/');\n try {\n str = btoa(atob(str));\n } catch(err) {\n console.error(\"Failed to base64 re-encode string.\", err);\n str = null;\n }\n }\n return str;\n}\n\n// Convert a base64 encoded string with the provided mime type into a Blob.\nexport function base64ToBlob(str, mime) {\n if (!str) {\n return null;\n }\n\n try {\n // Make blob.\n const bin = atob(str);\n const length = bin.length;\n const buf = new ArrayBuffer(length);\n const arr = new Uint8Array(buf);\n for (let i = 0; i < length; i++) {\n arr[i] = bin.charCodeAt(i);\n }\n\n return new Blob([buf], { type: mime });\n } catch(err) {\n console.error(\"Failed to convert base64 to blob: \", err);\n }\n\n return null;\n}\n\nexport function intArrayToBase64(arr) {\n if (!Array.isArray(arr)) {\n return null;\n }\n try {\n let bin = '';\n new Uint8Array(arr).forEach(b => bin += String.fromCharCode(b));\n return window.btoa(bin);\n } catch (err) {}\n return null;\n}\n\nexport function base64ToIntArray(b64) {\n const arr = [];\n try {\n const bin = window.atob(b64);\n [...bin].forEach(c => {\n arr.push(c.charCodeAt(0));\n });\n return arr;\n } catch (err) {}\n return null;\n}\n","import React from 'react';\nimport { defineMessages } from 'react-intl';\n\nimport { Drafty } from 'tinode-sdk';\n\nimport AudioPlayer from '../widgets/audio-player.jsx'\nimport CallMessage from '../widgets/call-message.jsx'\nimport CallStatus from '../widgets/call-status.jsx';\nimport InlineVideo from '../widgets/inline-video.jsx';\nimport LazyImage from '../widgets/lazy-image.jsx'\nimport UploadingImage from '../widgets/uploading-image.jsx'\n\nimport { BROKEN_IMAGE_SIZE, CLICKABLE_URL_SCHEMES, IMAGE_THUMBNAIL_DIM, NO_DIMENSIONS_VIDEO,\n REM_SIZE, VIDEO_THUMBNAIL_WIDTH } from '../config.js';\nimport { base64ToBlob, blobToBase64, fitImageSize, imageScaled } from './blob-helpers.js';\nimport { idToColorClass, secondsToTime, shortenFileName } from './strformat.js';\nimport { cancelablePromise, sanitizeUrl, sanitizeUrlForMime } from './utils.js';\n\nconst messages = defineMessages({\n drafty_form: {\n id: 'drafty_form',\n defaultMessage: 'Form: ',\n description: 'Comment for form in Drafty'\n },\n drafty_attachment: {\n id: 'drafty_attachment',\n defaultMessage: 'Attachment',\n description: 'Comment for attachment in Drafty'\n },\n drafty_image: {\n id: 'drafty_image',\n defaultMessage: 'Picture',\n description: 'Comment for embedded images in Drafty'\n },\n drafty_video: {\n id: 'drafty_video',\n defaultMessage: 'Video recording',\n description: 'Comment for videos embedded in Drafty'\n },\n drafty_unknown: {\n id: 'drafty_unknown',\n defaultMessage: 'Unsupported',\n description: 'Unsupported entity in drafty'\n }\n});\n\n// The main Drafty formatter: converts Drafty elements into React classes. 'this' is set by the caller.\n// 'this' must contain:\n// viewportWidth:\n// authorizeURL:\n// onImagePreview:\n// onVideoPreview:\n// onFormButtonClick:\n// onQuoteClick:\nexport function fullFormatter(style, data, values, key, stack) {\n if (stack.includes('QQ')) {\n return quoteFormatter.call(this, style, data, values, key);\n }\n\n if (!style) {\n // Unformatted.\n return values;\n }\n\n let el = Drafty.tagName(style);\n let attr = Drafty.attrValue(style, data) || {};\n attr.key = key;\n switch (style) {\n case 'AU':\n // Show audio player.\n if (attr.src) {\n attr.src = this.authorizeURL(sanitizeUrlForMime(attr.src, 'audio'));\n attr.duration = data.duration > 0 ? (data.duration | 0) : undefined;\n attr.preview = data.preview;\n attr.loading = 'lazy';\n }\n el = AudioPlayer;\n // Audio element cannot have content.\n values = null;\n break;\n case 'BR':\n values = null;\n break;\n case 'EX':\n // Ignore.\n break;\n case 'HL':\n // Highlighted text. Assign class name.\n attr.className = 'highlight';\n break;\n case 'HD':\n el = null;\n values = null;\n break;\n case 'IM':\n // Additional processing for images\n el = handleImageData.call(this, el, data, attr);\n // Image element cannot have content.\n values = null;\n break;\n case 'BN':\n // Button\n attr.onClick = this.onFormButtonClick;\n let inner = React.Children.map(values, (child) => {\n return typeof child == 'string' ? child : undefined;\n });\n if (!inner || inner.length == 0) {\n inner = [attr.name]\n }\n // Get text which will be sent back when the button is clicked.\n attr['data-title'] = inner.join('');\n break;\n case 'LN':\n if (attr) {\n // Ensure only safe URL schemes are clickable.\n attr.href = typeof attr.href == 'string' ? sanitizeUrl(attr.href, CLICKABLE_URL_SCHEMES) : '';\n }\n break;\n case 'MN':\n // Mention\n attr.className = 'mention'\n if (data) {\n attr.className += ' ' + idToColorClass(data.val, false, true);\n }\n break;\n case 'FM':\n // Form\n attr.className = 'bot-form';\n break;\n case 'RW':\n // Form element formatting is dependent on element content.\n break;\n case 'QQ':\n // Quote/citation.\n attr.className = 'reply-quote'\n attr.onClick = this.onQuoteClick;\n break;\n case 'VC':\n el = CallMessage;\n // Video call messages do not have content.\n values = null;\n if (data) {\n attr.callState = data.state;\n attr.incoming = data.incoming;\n attr.duration = data.duration;\n }\n break;\n case 'VD':\n // Additional processing for videos.\n el = handleVideoData.call(this, el, data, attr);\n // Video element cannot have content.\n values = null;\n break;\n default:\n if (!el) {\n // Unknown element.\n el = React.Fragment;\n attr = {key: key};\n // Generate comment for unknown element.\n let body = values;\n if (!Array.isArray(values) || !values.join('').trim()) {\n body = [{this.formatMessage(messages.drafty_unknown)}];\n }\n values = [extension, ' '].concat(body);\n }\n break;\n }\n if (!el) {\n return values;\n }\n return React.createElement(el, attr, values);\n}\n\n// Additional processing of image data.\nfunction handleImageData(el, data, attr) {\n if (!data) {\n attr.src = 'img/broken_image.png';\n attr.style = {\n width: IMAGE_THUMBNAIL_DIM + 'px',\n height: IMAGE_THUMBNAIL_DIM + 'px',\n };\n return el;\n }\n\n attr.className = 'inline-image';\n const dim = fitImageSize(data.width, data.height,\n this.viewportWidth > 0 ? Math.min(this.viewportWidth - REM_SIZE * 6.5, REM_SIZE * 34.5) :\n REM_SIZE * 34.5, REM_SIZE * 24, false) ||\n {dstWidth: BROKEN_IMAGE_SIZE, dstHeight: BROKEN_IMAGE_SIZE};\n attr.style = {\n width: dim.dstWidth + 'px',\n height: dim.dstHeight + 'px',\n // Looks like a Chrome bug: broken image does not respect 'width' and 'height'.\n minWidth: dim.dstWidth + 'px',\n minHeight: dim.dstHeight + 'px'\n };\n if (!Drafty.isProcessing(data)) {\n attr.src = this.authorizeURL(sanitizeUrlForMime(attr.src, 'image'));\n attr.alt = data.name;\n if (attr.src) {\n if (Math.max(data.width || 0, data.height || 0) > IMAGE_THUMBNAIL_DIM) {\n // Allow previews for large enough images.\n attr.onClick = this.onImagePreview;\n attr.className += ' image-clickable';\n }\n attr.loading = 'lazy';\n } else {\n attr.src = null;\n }\n } else {\n // Use custom element instead of or