diff --git a/.eslintignore b/.eslintignore
index ea337da98..d9fde8543 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -1,6 +1,7 @@
 
 src/lib/rlottie/rlottie-wasm.js
 src/lib/webp/webp_wasm.js
+src/lib/fasttextweb/fasttext-wasm.js
 
 src/lib/gramjs/tl/types-generator/template.js
 src/lib/gramjs/tl/api.d.ts
diff --git a/src/@types/global.d.ts b/src/@types/global.d.ts
index 08d4abd8f..5a9561e75 100644
--- a/src/@types/global.d.ts
+++ b/src/@types/global.d.ts
@@ -61,6 +61,7 @@ type AllEmojis = Record<string, Emoji | EmojiWithSkins>;
 declare module '*.png';
 declare module '*.svg';
 declare module '*.tgs';
+declare module '*.wasm';
 
 declare module '*.txt' {
   const content: string;
diff --git a/src/api/gramjs/apiBuilders/messages.ts b/src/api/gramjs/apiBuilders/messages.ts
index 4cee6f120..1862c267b 100644
--- a/src/api/gramjs/apiBuilders/messages.ts
+++ b/src/api/gramjs/apiBuilders/messages.ts
@@ -1616,3 +1616,12 @@ function buildThreadInfo(
     ...(recentRepliers && { recentReplierIds: recentRepliers.map(getApiChatIdFromMtpPeer) }),
   };
 }
+
+export function buildApiFormattedText(textWithEntities: GramJs.TextWithEntities): ApiFormattedText {
+  const { text, entities } = textWithEntities;
+
+  return {
+    text,
+    entities: entities.map(buildApiMessageEntity),
+  };
+}
diff --git a/src/api/gramjs/gramjsBuilders/index.ts b/src/api/gramjs/gramjsBuilders/index.ts
index 935574203..c7044d8c4 100644
--- a/src/api/gramjs/gramjsBuilders/index.ts
+++ b/src/api/gramjs/gramjsBuilders/index.ts
@@ -22,6 +22,7 @@ import type {
   ApiRequestInputInvoice,
   ApiChatReactions,
   ApiReaction,
+  ApiFormattedText,
 } from '../../types';
 import {
   ApiMessageEntityTypes,
@@ -598,3 +599,10 @@ export function buildInputEmojiStatus(emojiStatus: ApiSticker, expires?: number)
     documentId: BigInt(emojiStatus.id),
   });
 }
+
+export function buildInputTextWithEntities(formatted: ApiFormattedText) {
+  return new GramJs.TextWithEntities({
+    text: formatted.text,
+    entities: formatted.entities?.map(buildMtpMessageEntity) || [],
+  });
+}
diff --git a/src/api/gramjs/methods/index.ts b/src/api/gramjs/methods/index.ts
index 3b9216529..8f47caec9 100644
--- a/src/api/gramjs/methods/index.ts
+++ b/src/api/gramjs/methods/index.ts
@@ -30,7 +30,7 @@ export {
   fetchPinnedMessages, fetchScheduledHistory, sendScheduledMessages, rescheduleMessage, deleteScheduledMessages,
   reportMessages, sendMessageAction, fetchSeenBy, fetchSponsoredMessages, viewSponsoredMessage, fetchSendAs,
   saveDefaultSendAs, fetchUnreadReactions, readAllReactions, fetchUnreadMentions, readAllMentions, transcribeAudio,
-  closePoll, fetchExtendedMedia,
+  closePoll, fetchExtendedMedia, translateText,
 } from './messages';
 
 export {
diff --git a/src/api/gramjs/methods/messages.ts b/src/api/gramjs/methods/messages.ts
index b3e3eb0fc..bcad3bd86 100644
--- a/src/api/gramjs/methods/messages.ts
+++ b/src/api/gramjs/methods/messages.ts
@@ -16,6 +16,7 @@ import type {
   ApiSendMessageAction,
   ApiContact,
   ApiPoll,
+  ApiFormattedText,
 } from '../../types';
 import {
   MAIN_THREAD_ID,
@@ -36,6 +37,7 @@ import {
   buildLocalMessage,
   buildWebPage,
   buildApiSponsoredMessage,
+  buildApiFormattedText,
 } from '../apiBuilders/messages';
 import { buildApiUser } from '../apiBuilders/users';
 import {
@@ -51,6 +53,7 @@ import {
   isServiceMessageWithMedia,
   buildSendMessageAction,
   buildInputPollFromExisting,
+  buildInputTextWithEntities,
 } from '../gramjsBuilders';
 import localDb from '../localDb';
 import { buildApiChatFromPreview, buildApiSendAsPeerId } from '../apiBuilders/chats';
@@ -69,6 +72,15 @@ import { getServerTimeOffset } from '../../../util/serverTime';
 const FAST_SEND_TIMEOUT = 1000;
 const INPUT_WAVEFORM_LENGTH = 63;
 
+type TranslateTextParams = ({
+  text: ApiFormattedText[];
+} | {
+  chat: ApiChat;
+  messageIds: number[];
+}) & {
+  toLanguageCode: string;
+};
+
 let onUpdate: OnApiUpdate;
 
 export function init(_onUpdate: OnApiUpdate) {
@@ -1560,3 +1572,38 @@ export async function transcribeAudio({
 
   return result.transcriptionId.toString();
 }
+
+export async function translateText(params: TranslateTextParams) {
+  let result;
+  const isMessageTranslation = 'chat' in params;
+  if (isMessageTranslation) {
+    const { chat, messageIds, toLanguageCode } = params;
+    result = await invokeRequest(new GramJs.messages.TranslateText({
+      peer: buildInputPeer(chat.id, chat.accessHash),
+      id: messageIds,
+      toLang: toLanguageCode,
+    }));
+  } else {
+    const { text, toLanguageCode } = params;
+    result = await invokeRequest(new GramJs.messages.TranslateText({
+      text: text.map((t) => buildInputTextWithEntities(t)),
+      toLang: toLanguageCode,
+    }));
+  }
+
+  if (!result) return undefined;
+
+  const formattedText = result.result.map((r) => buildApiFormattedText(r));
+
+  if (isMessageTranslation) {
+    onUpdate({
+      '@type': 'updateMessageTranslations',
+      chatId: params.chat.id,
+      messageIds: params.messageIds,
+      translations: formattedText,
+      toLanguageCode: params.toLanguageCode,
+    });
+  }
+
+  return formattedText;
+}
diff --git a/src/api/types/updates.ts b/src/api/types/updates.ts
index ca7738752..6d2cfe20f 100644
--- a/src/api/types/updates.ts
+++ b/src/api/types/updates.ts
@@ -601,6 +601,14 @@ export type ApiUpdateTopics = {
   chatId: string;
 };
 
+export type ApiUpdateMessageTranslations = {
+  '@type': 'updateMessageTranslations';
+  chatId: string;
+  messageIds: number[];
+  translations: ApiFormattedText[];
+  toLanguageCode: string;
+};
+
 export type ApiUpdate = (
   ApiUpdateReady | ApiUpdateSession | ApiUpdateWebAuthTokenFailed | ApiUpdateRequestUserUpdate |
   ApiUpdateAuthorizationState | ApiUpdateAuthorizationError | ApiUpdateConnectionState | ApiUpdateCurrentUser |
@@ -616,7 +624,7 @@ export type ApiUpdate = (
   ApiUpdateFavoriteStickers | ApiUpdateStickerSet | ApiUpdateStickerSets | ApiUpdateStickerSetsOrder |
   ApiUpdateRecentStickers | ApiUpdateSavedGifs | ApiUpdateNewScheduledMessage | ApiUpdateMoveStickerSetToTop |
   ApiUpdateScheduledMessageSendSucceeded | ApiUpdateScheduledMessage |
-  ApiUpdateDeleteScheduledMessages | ApiUpdateResetMessages |
+  ApiUpdateDeleteScheduledMessages | ApiUpdateResetMessages | ApiUpdateMessageTranslations |
   ApiUpdateTwoFaError | ApiUpdateTwoFaStateWaitCode | ApiUpdateWebViewResultSent |
   ApiUpdateNotifySettings | ApiUpdateNotifyExceptions | ApiUpdatePeerBlocked | ApiUpdatePrivacy |
   ApiUpdateServerTimeOffset | ApiUpdateShowInvite | ApiUpdateMessageReactions |
diff --git a/src/bundles/extra.ts b/src/bundles/extra.ts
index afb940f89..6a88d62e5 100644
--- a/src/bundles/extra.ts
+++ b/src/bundles/extra.ts
@@ -28,6 +28,7 @@ export { default as MessageSelectToolbar } from '../components/middle/MessageSel
 export { default as SeenByModal } from '../components/common/SeenByModal';
 export { default as ReactorListModal } from '../components/middle/ReactorListModal';
 export { default as EmojiInteractionAnimation } from '../components/middle/EmojiInteractionAnimation';
+export { default as MessageLanguageModal } from '../components/middle/MessageLanguageModal';
 
 // eslint-disable-next-line import/no-cycle
 export { default as LeftSearch } from '../components/left/search/LeftSearch';
diff --git a/src/components/common/MessageText.tsx b/src/components/common/MessageText.tsx
index 30478236c..25cb81f8f 100644
--- a/src/components/common/MessageText.tsx
+++ b/src/components/common/MessageText.tsx
@@ -1,15 +1,17 @@
 import React, { memo, useMemo, useRef } from '../../lib/teact/teact';
 
-import type { ApiMessage } from '../../api/types';
+import type { ApiFormattedText, ApiMessage } from '../../api/types';
 import type { ObserveFn } from '../../hooks/useIntersectionObserver';
 
 import { ApiMessageEntityTypes } from '../../api/types';
 import trimText from '../../util/trimText';
-import { getMessageText } from '../../global/helpers';
+import { getMessageText, stripCustomEmoji } from '../../global/helpers';
 import { renderTextWithEntities } from './helpers/renderTextWithEntities';
 
 interface OwnProps {
   message: ApiMessage;
+  translatedText?: ApiFormattedText;
+  isForAnimation?: boolean;
   emojiSize?: number;
   highlight?: string;
   isSimple?: boolean;
@@ -25,6 +27,8 @@ const MIN_CUSTOM_EMOJIS_FOR_SHARED_CANVAS = 3;
 
 function MessageText({
   message,
+  translatedText,
+  isForAnimation,
   emojiSize,
   highlight,
   isSimple,
@@ -40,7 +44,12 @@ function MessageText({
   // eslint-disable-next-line no-null/no-null
   const sharedCanvasHqRef = useRef<HTMLCanvasElement>(null);
 
-  const { text, entities } = message.content.text || {};
+  const formattedText = translatedText || message.content.text || undefined;
+
+  const adaptedFormattedText = isForAnimation && formattedText ? stripCustomEmoji(formattedText) : formattedText;
+
+  const { text, entities } = adaptedFormattedText || {};
+
   const withSharedCanvas = useMemo(() => {
     const hasSpoilers = entities?.some((e) => e.type === ApiMessageEntityTypes.Spoiler);
     if (hasSpoilers) {
diff --git a/src/components/common/helpers/renderText.tsx b/src/components/common/helpers/renderText.tsx
index aff5a6f1f..3208f744f 100644
--- a/src/components/common/helpers/renderText.tsx
+++ b/src/components/common/helpers/renderText.tsx
@@ -23,7 +23,6 @@ export type TextFilter = (
   'simple_markdown' | 'simple_markdown_html'
   );
 
-const RE_LETTER_OR_DIGIT = /^[\d\wа-яё]$/i;
 const SIMPLE_MARKDOWN_REGEX = /(\*\*|__).+?\1/g;
 
 export default function renderText(
@@ -186,8 +185,7 @@ function addHighlight(textParts: TextPart[], highlight: string | undefined): Tex
 
     const lowerCaseText = part.toLowerCase();
     const queryPosition = lowerCaseText.indexOf(highlight.toLowerCase());
-    const nextSymbol = lowerCaseText[queryPosition + highlight.length];
-    if (queryPosition < 0 || (nextSymbol && nextSymbol.match(RE_LETTER_OR_DIGIT))) {
+    if (queryPosition < 0) {
       result.push(part);
       return result;
     }
@@ -200,7 +198,6 @@ function addHighlight(textParts: TextPart[], highlight: string | undefined): Tex
       </span>,
     );
     newParts.push(part.substring(queryPosition + highlight.length));
-
     return [...result, ...newParts];
   }, []);
 }
diff --git a/src/components/left/LeftColumn.tsx b/src/components/left/LeftColumn.tsx
index b141468d1..0f5197015 100644
--- a/src/components/left/LeftColumn.tsx
+++ b/src/components/left/LeftColumn.tsx
@@ -298,6 +298,10 @@ const LeftColumn: FC<StateProps> = ({
         case SettingsScreens.CustomEmoji:
           setSettingsScreen(SettingsScreens.Stickers);
           return;
+
+        case SettingsScreens.DoNotTranslate:
+          setSettingsScreen(SettingsScreens.Language);
+          return;
         default:
           break;
       }
diff --git a/src/components/left/settings/Settings.scss b/src/components/left/settings/Settings.scss
index f0a2ded16..15f540954 100644
--- a/src/components/left/settings/Settings.scss
+++ b/src/components/left/settings/Settings.scss
@@ -306,6 +306,10 @@
     .Radio:last-child {
       margin-bottom: 0;
     }
+
+    .Checkbox {
+      margin-left: 0;
+    }
   }
 
   .Radio + .Radio,
diff --git a/src/components/left/settings/Settings.tsx b/src/components/left/settings/Settings.tsx
index 29a9962b9..dfde1348e 100644
--- a/src/components/left/settings/Settings.tsx
+++ b/src/components/left/settings/Settings.tsx
@@ -29,6 +29,7 @@ import SettingsQuickReaction from './SettingsQuickReaction';
 import SettingsPasscode from './passcode/SettingsPasscode';
 import SettingsStickers from './SettingsStickers';
 import SettingsCustomEmoji from './SettingsCustomEmoji';
+import SettingsDoNotTranslate from './SettingsDoNotTranslate';
 import SettingsExperimental from './SettingsExperimental';
 
 import './Settings.scss';
@@ -249,7 +250,15 @@ const Settings: FC<OwnProps> = ({
         );
       case SettingsScreens.Language:
         return (
-          <SettingsLanguage isActive={isScreenActive} onReset={handleReset} />
+          <SettingsLanguage
+            isActive={isScreenActive || screen === SettingsScreens.DoNotTranslate}
+            onReset={handleReset}
+            onScreenSelect={onScreenSelect}
+          />
+        );
+      case SettingsScreens.DoNotTranslate:
+        return (
+          <SettingsDoNotTranslate isActive={isScreenActive} onReset={handleReset} />
         );
       case SettingsScreens.Stickers:
         return (
diff --git a/src/components/left/settings/SettingsDoNotTranslate.module.scss b/src/components/left/settings/SettingsDoNotTranslate.module.scss
new file mode 100644
index 000000000..0e0508c08
--- /dev/null
+++ b/src/components/left/settings/SettingsDoNotTranslate.module.scss
@@ -0,0 +1,20 @@
+@import "../../../styles/mixins";
+
+.root, .item {
+  display: flex;
+  flex-direction: column;
+}
+
+.item {
+  overflow: hidden;
+  min-height: 25rem;
+}
+
+.checkbox {
+  margin: 0;
+}
+
+.languages {
+  overflow-y: auto;
+  @include overflow-y-overlay();
+}
diff --git a/src/components/left/settings/SettingsDoNotTranslate.tsx b/src/components/left/settings/SettingsDoNotTranslate.tsx
new file mode 100644
index 000000000..d83746a8d
--- /dev/null
+++ b/src/components/left/settings/SettingsDoNotTranslate.tsx
@@ -0,0 +1,183 @@
+import React, {
+  memo, useCallback, useEffect, useMemo, useState,
+} from '../../../lib/teact/teact';
+import { getActions, withGlobal } from '../../../global';
+
+import type { FC } from '../../../lib/teact/teact';
+import type { ISettings } from '../../../types';
+import type { IRadioOption } from '../../ui/CheckboxGroup';
+
+import { SUPPORTED_TRANSLATION_LANGUAGES } from '../../../config';
+import { partition, unique } from '../../../util/iteratees';
+import buildClassName from '../../../util/buildClassName';
+
+import useHistoryBack from '../../../hooks/useHistoryBack';
+import useEffectWithPrevDeps from '../../../hooks/useEffectWithPrevDeps';
+import useLang from '../../../hooks/useLang';
+
+import Checkbox from '../../ui/Checkbox';
+import InputText from '../../ui/InputText';
+
+import styles from './SettingsDoNotTranslate.module.scss';
+
+// https://fasttext.cc/docs/en/language-identification.html
+const LOCAL_SUPPORTED_DETECTION_LANGUAGES = [
+  'af', 'als', 'am', 'an', 'ar', 'arz', 'as', 'ast', 'av', 'az',
+  'azb', 'ba', 'bar', 'bcl', 'be', 'bg', 'bh', 'bn', 'bo', 'bpy',
+  'br', 'bs', 'bxr', 'ca', 'cbk', 'ce', 'ceb', 'ckb', 'co', 'cs',
+  'cv', 'cy', 'da', 'de', 'diq', 'dsb', 'dty', 'dv', 'el', 'eml',
+  'en', 'eo', 'es', 'et', 'eu', 'fa', 'fi', 'fr', 'frr', 'fy',
+  'ga', 'gd', 'gl', 'gn', 'gom', 'gu', 'gv', 'he', 'hi', 'hif',
+  'hr', 'hsb', 'ht', 'hu', 'hy', 'ia', 'id', 'ie', 'ilo', 'io',
+  'is', 'it', 'ja', 'jbo', 'jv', 'ka', 'kk', 'km', 'kn', 'ko',
+  'krc', 'ku', 'kv', 'kw', 'ky', 'la', 'lb', 'lez', 'li', 'lmo',
+  'lo', 'lrc', 'lt', 'lv', 'mai', 'mg', 'mhr', 'min', 'mk', 'ml',
+  'mn', 'mr', 'mrj', 'ms', 'mt', 'mwl', 'my', 'myv', 'mzn', 'nah',
+  'nap', 'nds', 'ne', 'new', 'nl', 'nn', 'no', 'oc', 'or', 'os',
+  'pa', 'pam', 'pfl', 'pl', 'pms', 'pnb', 'ps', 'pt', 'qu', 'rm',
+  'ro', 'ru', 'rue', 'sa', 'sah', 'sc', 'scn', 'sco', 'sd', 'sh',
+  'si', 'sk', 'sl', 'so', 'sq', 'sr', 'su', 'sv', 'sw', 'ta', 'te',
+  'tg', 'th', 'tk', 'tl', 'tr', 'tt', 'tyv', 'ug', 'uk', 'ur', 'uz',
+  'vec', 'vep', 'vi', 'vls', 'vo', 'wa', 'war', 'wuu', 'xal', 'xmf',
+  'yi', 'yo', 'yue', 'zh',
+];
+
+const SUPPORTED_LANGUAGES = SUPPORTED_TRANSLATION_LANGUAGES.filter((lang: string) => (
+  LOCAL_SUPPORTED_DETECTION_LANGUAGES.includes(lang)
+));
+
+type OwnProps = {
+  isActive?: boolean;
+  onReset: () => void;
+};
+
+type StateProps = Pick<ISettings, 'language' | 'doNotTranslate'>;
+
+const SettingsDoNotTranslate: FC<OwnProps & StateProps> = ({
+  isActive,
+  language,
+  doNotTranslate,
+  onReset,
+}) => {
+  const { setSettingOption } = getActions();
+
+  const lang = useLang();
+  const [displayedOptions, setDisplayedOptions] = useState<IRadioOption[]>([]);
+  const [search, setSearch] = useState('');
+
+  const options: IRadioOption[] = useMemo(() => {
+    return SUPPORTED_LANGUAGES.map((langCode: string) => {
+      const translatedNames = new Intl.DisplayNames([language], { type: 'language' });
+      const translatedName = translatedNames.of(langCode)!;
+
+      const originalNames = new Intl.DisplayNames([langCode], { type: 'language' });
+      const originalName = originalNames.of(langCode)!;
+
+      return {
+        langCode,
+        translatedName,
+        originalName,
+      };
+    }).map(({ langCode, translatedName, originalName }) => ({
+      label: translatedName,
+      subLabel: originalName,
+      value: langCode,
+      disabled: langCode === language,
+    }));
+  }, [language]);
+
+  const allSelected = useMemo(() => {
+    return unique([...doNotTranslate, language]);
+  }, [doNotTranslate, language]);
+
+  useEffect(() => {
+    if (!isActive) setSearch('');
+  }, [isActive]);
+
+  useEffectWithPrevDeps(([prevIsActive]) => {
+    if (prevIsActive === isActive) return;
+    if (isActive && displayedOptions.length) return;
+
+    const [selected, unselected] = partition(options, (option) => allSelected.includes(option.value));
+    const current = selected.find((option) => option.value === language);
+    const selectedFiltered = selected.filter((option) => option.value !== language);
+
+    setDisplayedOptions([current!, ...selectedFiltered, ...unselected]);
+  }, [isActive, allSelected, displayedOptions.length, language, options]);
+
+  const handleChange = useCallback((event: React.ChangeEvent<HTMLInputElement>) => {
+    const { value, checked } = event.currentTarget;
+    let newDoNotTranslate: string[];
+    if (checked) {
+      newDoNotTranslate = unique([...doNotTranslate, value]);
+    } else {
+      newDoNotTranslate = doNotTranslate.filter((v) => v !== value);
+    }
+
+    setSettingOption({
+      doNotTranslate: newDoNotTranslate,
+    });
+  }, [doNotTranslate, setSettingOption]);
+
+  const handleSearch = useCallback((e: React.ChangeEvent<HTMLInputElement>) => {
+    setSearch(e.target.value);
+  }, []);
+
+  const filteredDisplayedOptions = useMemo(() => {
+    if (!search.trim()) {
+      return displayedOptions;
+    }
+
+    return displayedOptions.filter((option) => (
+      option.label.toLowerCase().includes(search.toLowerCase())
+      || option.subLabel?.toLowerCase().includes(search.toLowerCase())
+      || option.value.toLowerCase().includes(search.toLowerCase())
+    ));
+  }, [displayedOptions, search]);
+
+  useHistoryBack({
+    isActive,
+    onBack: onReset,
+  });
+
+  return (
+    <div className={buildClassName(styles.root, 'settings-content custom-scroll')}>
+      <div className={buildClassName(styles.item, 'settings-item')}>
+        <InputText
+          key="search"
+          value={search}
+          onChange={handleSearch}
+          placeholder={lang('Search')}
+          teactExperimentControlled
+        />
+        <div className={buildClassName(styles.languages, 'radio-group custom-scroll')}>
+          {filteredDisplayedOptions.map((option) => (
+            <Checkbox
+              className={styles.checkbox}
+              label={option.label}
+              subLabel={option.subLabel}
+              checked={allSelected.includes(option.value)}
+              value={option.value}
+              disabled={option.disabled}
+              key={option.value}
+              onChange={handleChange}
+            />
+          ))}
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default memo(withGlobal<OwnProps>(
+  (global): StateProps => {
+    const {
+      language, doNotTranslate,
+    } = global.settings.byKey;
+
+    return {
+      language,
+      doNotTranslate,
+    };
+  },
+)(SettingsDoNotTranslate));
diff --git a/src/components/left/settings/SettingsHeader.tsx b/src/components/left/settings/SettingsHeader.tsx
index 4b92bbd5e..bf825ff70 100644
--- a/src/components/left/settings/SettingsHeader.tsx
+++ b/src/components/left/settings/SettingsHeader.tsx
@@ -97,6 +97,8 @@ const SettingsHeader: FC<OwnProps> = ({
         return <h3>{lang('PrivacySettings')}</h3>;
       case SettingsScreens.Language:
         return <h3>{lang('Language')}</h3>;
+      case SettingsScreens.DoNotTranslate:
+        return <h3>{lang('DoNotTranslate')}</h3>;
       case SettingsScreens.Stickers:
         return <h3>{lang('StickersName')}</h3>;
       case SettingsScreens.Experimental:
diff --git a/src/components/left/settings/SettingsLanguage.tsx b/src/components/left/settings/SettingsLanguage.tsx
index ed6c2ceb3..cda78b0d1 100644
--- a/src/components/left/settings/SettingsLanguage.tsx
+++ b/src/components/left/settings/SettingsLanguage.tsx
@@ -1,31 +1,44 @@
-import type { FC } from '../../../lib/teact/teact';
 import React, {
   memo, useCallback, useEffect, useMemo, useState,
 } from '../../../lib/teact/teact';
 import { getActions, withGlobal } from '../../../global';
 
+import type { FC } from '../../../lib/teact/teact';
+import { SettingsScreens } from '../../../types';
 import type { ISettings, LangCode } from '../../../types';
 import type { ApiLanguage } from '../../../api/types';
 
 import { setLanguage } from '../../../util/langProvider';
+import { unique } from '../../../util/iteratees';
+
+import useFlag from '../../../hooks/useFlag';
+import useHistoryBack from '../../../hooks/useHistoryBack';
+import useLang from '../../../hooks/useLang';
 
 import RadioGroup from '../../ui/RadioGroup';
 import Loading from '../../ui/Loading';
-import useFlag from '../../../hooks/useFlag';
-import useHistoryBack from '../../../hooks/useHistoryBack';
+import Checkbox from '../../ui/Checkbox';
+import ListItem from '../../ui/ListItem';
 
 type OwnProps = {
   isActive?: boolean;
   onReset: () => void;
+  onScreenSelect: (screen: SettingsScreens) => void;
 };
 
-type StateProps = Pick<ISettings, 'languages' | 'language'>;
+type StateProps = {
+  lastSyncTime?: number;
+} & Pick<ISettings, 'languages' | 'language' | 'canTranslate' | 'doNotTranslate'>;
 
 const SettingsLanguage: FC<OwnProps & StateProps> = ({
   isActive,
-  onReset,
   languages,
   language,
+  canTranslate,
+  doNotTranslate,
+  lastSyncTime,
+  onScreenSelect,
+  onReset,
 }) => {
   const {
     loadLanguages,
@@ -36,10 +49,13 @@ const SettingsLanguage: FC<OwnProps & StateProps> = ({
   const [selectedLanguage, setSelectedLanguage] = useState<string>(language);
   const [isLoading, markIsLoading, unmarkIsLoading] = useFlag();
 
-  // TODO Throttle
+  const lang = useLang();
+
   useEffect(() => {
-    loadLanguages();
-  }, [loadLanguages]);
+    if (lastSyncTime && !languages?.length) {
+      loadLanguages();
+    }
+  }, [languages, lastSyncTime, loadLanguages]);
 
   const handleChange = useCallback((langCode: string) => {
     setSelectedLanguage(langCode);
@@ -58,24 +74,65 @@ const SettingsLanguage: FC<OwnProps & StateProps> = ({
     return languages ? buildOptions(languages) : undefined;
   }, [languages]);
 
+  const handleShouldTranslateChange = useCallback((newValue: boolean) => {
+    setSettingOption({ canTranslate: newValue });
+  }, [setSettingOption]);
+
+  const doNotTranslateText = useMemo(() => {
+    const allDoNotTranslateLanguages = unique([...doNotTranslate, language]);
+    // Do not translate current language
+    if (allDoNotTranslateLanguages.length === 1) {
+      if (!languages) {
+        return lang('Loading');
+      }
+      return languages.find(({ langCode }) => langCode === language)?.nativeName;
+    }
+
+    return lang('Languages', allDoNotTranslateLanguages.length);
+  }, [doNotTranslate, lang, language, languages]);
+
+  const handleDoNotSelectOpen = useCallback(() => {
+    onScreenSelect(SettingsScreens.DoNotTranslate);
+  }, [onScreenSelect]);
+
   useHistoryBack({
     isActive,
     onBack: onReset,
   });
 
   return (
-    <div className="settings-content settings-item settings-language custom-scroll settings-item--first">
-      {options ? (
-        <RadioGroup
-          name="keyboard-send-settings"
-          options={options}
-          selected={selectedLanguage}
-          loadingOption={isLoading ? selectedLanguage : undefined}
-          onChange={handleChange}
+    <div className="settings-content settings-language custom-scroll">
+      <div className="settings-item">
+        <Checkbox
+          label={lang('ShowTranslateButton')}
+          checked={canTranslate}
+          onCheck={handleShouldTranslateChange}
         />
-      ) : (
-        <Loading />
-      )}
+        {canTranslate && (
+          <ListItem
+            onClick={handleDoNotSelectOpen}
+          >
+            {lang('DoNotTranslate')}
+            <span className="settings-item__current-value">{doNotTranslateText}</span>
+          </ListItem>
+        )}
+        <p className="settings-item-description mb-0 mt-1">
+          {lang('lng_translate_settings_about')}
+        </p>
+      </div>
+      <div className="settings-item">
+        {options ? (
+          <RadioGroup
+            name="language-settings"
+            options={options}
+            selected={selectedLanguage}
+            loadingOption={isLoading ? selectedLanguage : undefined}
+            onChange={handleChange}
+          />
+        ) : (
+          <Loading />
+        )}
+      </div>
     </div>
   );
 };
@@ -95,9 +152,16 @@ function buildOptions(languages: ApiLanguage[]) {
 
 export default memo(withGlobal<OwnProps>(
   (global): StateProps => {
+    const {
+      language, languages, canTranslate, doNotTranslate,
+    } = global.settings.byKey;
+
     return {
-      languages: global.settings.byKey.languages,
-      language: global.settings.byKey.language,
+      lastSyncTime: global.lastSyncTime,
+      languages,
+      language,
+      canTranslate,
+      doNotTranslate,
     };
   },
 )(SettingsLanguage));
diff --git a/src/components/middle/MessageLanguageModal.async.tsx b/src/components/middle/MessageLanguageModal.async.tsx
new file mode 100644
index 000000000..5e682ecf8
--- /dev/null
+++ b/src/components/middle/MessageLanguageModal.async.tsx
@@ -0,0 +1,17 @@
+import React, { memo } from '../../lib/teact/teact';
+
+import type { FC } from '../../lib/teact/teact';
+import type { OwnProps } from './MessageLanguageModal';
+
+import { Bundles } from '../../util/moduleLoader';
+import useModuleLoader from '../../hooks/useModuleLoader';
+
+const MessageLanguageModalAsync: FC<OwnProps> = (props) => {
+  const { isOpen } = props;
+  const MessageLanguageModal = useModuleLoader(Bundles.Extra, 'MessageLanguageModal', !isOpen);
+
+  // eslint-disable-next-line react/jsx-props-no-spreading
+  return MessageLanguageModal ? <MessageLanguageModal {...props} /> : undefined;
+};
+
+export default memo(MessageLanguageModalAsync);
diff --git a/src/components/middle/MessageLanguageModal.module.scss b/src/components/middle/MessageLanguageModal.module.scss
new file mode 100644
index 000000000..c6e9ac038
--- /dev/null
+++ b/src/components/middle/MessageLanguageModal.module.scss
@@ -0,0 +1,30 @@
+@import "../../styles/mixins";
+
+.root {
+  :global(.modal-content) {
+    min-height: min(75vh, 32rem);
+    display: flex;
+    flex-direction: column;
+  }
+
+  :global(.matching-text-highlight) {
+    color: var(--color-primary);
+  }
+}
+
+.list-item {
+  text-align: left;
+
+  &[dir="rtl"] {
+    text-align: right;
+  }
+}
+
+.title, .subtitle {
+  text-align: inherit !important;
+}
+
+.languages {
+  overflow-y: auto;
+  @include overflow-y-overlay();
+}
diff --git a/src/components/middle/MessageLanguageModal.tsx b/src/components/middle/MessageLanguageModal.tsx
new file mode 100644
index 000000000..3447bc464
--- /dev/null
+++ b/src/components/middle/MessageLanguageModal.tsx
@@ -0,0 +1,147 @@
+import React, {
+  memo, useCallback, useEffect, useMemo, useState,
+} from '../../lib/teact/teact';
+import { getActions, withGlobal } from '../../global';
+
+import type { FC } from '../../lib/teact/teact';
+
+import { selectLanguageCode, selectRequestedTranslationLanguage, selectTabState } from '../../global/selectors';
+import { SUPPORTED_TRANSLATION_LANGUAGES } from '../../config';
+import buildClassName from '../../util/buildClassName';
+import renderText from '../common/helpers/renderText';
+
+import useLang from '../../hooks/useLang';
+
+import Modal from '../ui/Modal';
+import ListItem from '../ui/ListItem';
+import InputText from '../ui/InputText';
+
+import styles from './MessageLanguageModal.module.scss';
+
+type LanguageItem = {
+  langCode: string;
+  translatedName: string;
+  originalName: string;
+};
+
+export type OwnProps = {
+  isOpen?: boolean;
+};
+
+type StateProps = {
+  chatId?: string;
+  messageId?: number;
+  activeTranslationLanguage?: string;
+  currentLanguageCode: string;
+};
+
+const MessageLanguageModal: FC<OwnProps & StateProps> = ({
+  isOpen,
+  chatId,
+  messageId,
+  activeTranslationLanguage,
+  currentLanguageCode,
+}) => {
+  const { requestMessageTranslation, closeMessageLanguageModal } = getActions();
+
+  const [search, setSearch] = useState('');
+  const lang = useLang();
+
+  const handleSelect = useCallback((toLanguageCode: string) => {
+    if (!chatId || !messageId) return;
+
+    requestMessageTranslation({ chatId, id: messageId, toLanguageCode });
+    closeMessageLanguageModal();
+  }, [chatId, closeMessageLanguageModal, messageId, requestMessageTranslation]);
+
+  const handleSearch = useCallback((e: React.ChangeEvent<HTMLInputElement>) => {
+    setSearch(e.target.value);
+  }, []);
+
+  const translateLanguages = useMemo(() => SUPPORTED_TRANSLATION_LANGUAGES.map((langCode: string) => {
+    const translatedNames = new Intl.DisplayNames([currentLanguageCode], { type: 'language' });
+    const translatedName = translatedNames.of(langCode)!;
+
+    const originalNames = new Intl.DisplayNames([langCode], { type: 'language' });
+    const originalName = originalNames.of(langCode)!;
+
+    return {
+      langCode,
+      translatedName,
+      originalName,
+    } satisfies LanguageItem;
+  }), [currentLanguageCode]);
+
+  useEffect(() => {
+    if (!isOpen) setSearch('');
+  }, [isOpen]);
+
+  const filteredDisplayedLanguages = useMemo(() => {
+    if (!search.trim()) {
+      return translateLanguages;
+    }
+
+    return translateLanguages.filter(({ langCode, translatedName, originalName }) => (
+      translatedName.toLowerCase().includes(search.toLowerCase())
+      || originalName.toLowerCase().includes(search.toLowerCase())
+      || langCode.toLowerCase().includes(search.toLowerCase())
+    ));
+  }, [translateLanguages, search]);
+
+  return (
+    <Modal
+      className={styles.root}
+      isSlim
+      isOpen={isOpen}
+      hasCloseButton
+      title={lang('Language')}
+      onClose={closeMessageLanguageModal}
+    >
+      <InputText
+        key="search"
+        value={search}
+        onChange={handleSearch}
+        placeholder={lang('Search')}
+        teactExperimentControlled
+      />
+      <div className={buildClassName(styles.languages, 'custom-scroll')}>
+        {filteredDisplayedLanguages.map(({ langCode, originalName, translatedName }) => (
+          <ListItem
+            key={langCode}
+            className={styles.listItem}
+            secondaryIcon={activeTranslationLanguage === langCode ? 'check' : undefined}
+            disabled={activeTranslationLanguage === langCode}
+            multiline
+            narrow
+            // eslint-disable-next-line react/jsx-no-bind
+            onClick={() => handleSelect(langCode)}
+          >
+            <span className={buildClassName('title', styles.title)}>
+              {renderText(originalName, ['highlight'], { highlight: search })}
+            </span>
+            <span className={buildClassName('subtitle', styles.subtitle)}>
+              {renderText(translatedName, ['highlight'], { highlight: search })}
+            </span>
+          </ListItem>
+        ))}
+      </div>
+    </Modal>
+  );
+};
+
+export default memo(withGlobal<OwnProps>(
+  (global): StateProps => {
+    const { chatId, messageId } = selectTabState(global).messageLanguageModal || {};
+
+    const currentLanguageCode = selectLanguageCode(global);
+    const activeTranslationLanguage = chatId && messageId
+      ? selectRequestedTranslationLanguage(global, chatId, messageId) : undefined;
+
+    return {
+      chatId,
+      messageId,
+      activeTranslationLanguage,
+      currentLanguageCode,
+    };
+  },
+)(MessageLanguageModal));
diff --git a/src/components/middle/MiddleColumn.tsx b/src/components/middle/MiddleColumn.tsx
index 5b0d8ec0a..64773b081 100644
--- a/src/components/middle/MiddleColumn.tsx
+++ b/src/components/middle/MiddleColumn.tsx
@@ -77,6 +77,7 @@ import SeenByModal from '../common/SeenByModal.async';
 import EmojiInteractionAnimation from './EmojiInteractionAnimation.async';
 import ReactorListModal from './ReactorListModal.async';
 import GiftPremiumModal from '../main/premium/GiftPremiumModal.async';
+import MessageLanguageModal from './MessageLanguageModal.async';
 
 import './MiddleColumn.scss';
 import styles from './MiddleColumn.module.scss';
@@ -111,6 +112,7 @@ type StateProps = {
   isSeenByModalOpen: boolean;
   isReactorListModalOpen: boolean;
   isGiftPremiumModalOpen?: boolean;
+  isMessageLanguageModalOpen?: boolean;
   animationLevel: AnimationLevel;
   shouldSkipHistoryAnimations?: boolean;
   currentTransitionKey: number;
@@ -156,6 +158,7 @@ const MiddleColumn: FC<OwnProps & StateProps> = ({
   isSeenByModalOpen,
   isReactorListModalOpen,
   isGiftPremiumModalOpen,
+  isMessageLanguageModalOpen,
   animationLevel,
   shouldSkipHistoryAnimations,
   currentTransitionKey,
@@ -551,6 +554,7 @@ const MiddleColumn: FC<OwnProps & StateProps> = ({
                 />
                 <SeenByModal isOpen={isSeenByModalOpen} />
                 <ReactorListModal isOpen={isReactorListModalOpen} />
+                <MessageLanguageModal isOpen={isMessageLanguageModalOpen} />
               </div>
             </Transition>
 
@@ -596,6 +600,7 @@ export default memo(withGlobal<OwnProps>(
     const {
       messageLists, isLeftColumnShown, activeEmojiInteractions,
       seenByModal, giftPremiumModal, reactorModal, audioPlayer, shouldSkipHistoryAnimations,
+      messageLanguageModal,
     } = selectTabState(global);
     const currentMessageList = selectCurrentMessageList(global);
     const { chats: { listIds }, lastSyncTime } = global;
@@ -613,6 +618,7 @@ export default memo(withGlobal<OwnProps>(
       isSeenByModalOpen: Boolean(seenByModal),
       isReactorListModalOpen: Boolean(reactorModal),
       isGiftPremiumModalOpen: giftPremiumModal?.isOpen,
+      isMessageLanguageModalOpen: Boolean(messageLanguageModal),
       animationLevel: global.settings.byKey.animationLevel,
       currentTransitionKey: Math.max(0, messageLists.length - 1),
       activeEmojiInteractions,
diff --git a/src/components/middle/message/ContextMenuContainer.tsx b/src/components/middle/message/ContextMenuContainer.tsx
index 3c69f9c94..5e5acc8e7 100644
--- a/src/components/middle/message/ContextMenuContainer.tsx
+++ b/src/components/middle/message/ContextMenuContainer.tsx
@@ -20,6 +20,8 @@ import {
   selectIsMessageProtected,
   selectIsPremiumPurchaseBlocked,
   selectMessageCustomEmojiSets,
+  selectMessageTranslations,
+  selectRequestedTranslationLanguage,
   selectStickerSet,
 } from '../../../global/selectors';
 import {
@@ -27,6 +29,7 @@ import {
   isChatGroup, isOwnMessage, areReactionsEmpty, isUserId, isMessageLocal, getMessageVideo, getChatMessageLink,
 } from '../../../global/helpers';
 import { SERVICE_NOTIFICATIONS_USER_ID } from '../../../config';
+import { IS_TRANSLATION_SUPPORTED } from '../../../util/environment';
 import buildClassName from '../../../util/buildClassName';
 import { copyTextToClipboard } from '../../../util/clipboard';
 
@@ -49,6 +52,7 @@ export type OwnProps = {
   anchor: IAnchorPosition;
   messageListType: MessageListType;
   noReplies?: boolean;
+  detectedLanguage?: string;
   onClose: () => void;
   onCloseAnimationEnd: () => void;
   repliesThreadInfo?: ApiThreadInfo;
@@ -74,6 +78,9 @@ type StateProps = {
   canFaveSticker?: boolean;
   canUnfaveSticker?: boolean;
   canCopy?: boolean;
+  canTranslate?: boolean;
+  canShowOriginal?: boolean;
+  canSelectLanguage?: boolean;
   isPrivate?: boolean;
   isCurrentUserPremium?: boolean;
   hasFullInfo?: boolean;
@@ -101,8 +108,6 @@ const ContextMenuContainer: FC<OwnProps & StateProps> = ({
   customEmojiSets,
   album,
   anchor,
-  onClose,
-  onCloseAnimationEnd,
   noOptions,
   canSendNow,
   hasFullInfo,
@@ -135,7 +140,12 @@ const ContextMenuContainer: FC<OwnProps & StateProps> = ({
   noReplies,
   canShowSeenBy,
   canScheduleUntilOnline,
+  canTranslate,
+  canShowOriginal,
+  canSelectLanguage,
   threadId,
+  onClose,
+  onCloseAnimationEnd,
 }) => {
   const {
     openChat,
@@ -161,6 +171,9 @@ const ContextMenuContainer: FC<OwnProps & StateProps> = ({
     cancelPollVote,
     closePoll,
     toggleReaction,
+    requestMessageTranslation,
+    showOriginalMessage,
+    openMessageLanguageModal,
   } = getActions();
 
   const lang = useLang();
@@ -393,6 +406,30 @@ const ContextMenuContainer: FC<OwnProps & StateProps> = ({
     closeMenu();
   }, [closeMenu, message, toggleReaction]);
 
+  const handleTranslate = useCallback(() => {
+    requestMessageTranslation({
+      chatId: message.chatId,
+      id: message.id,
+    });
+    closeMenu();
+  }, [closeMenu, message, requestMessageTranslation]);
+
+  const handleShowOriginal = useCallback(() => {
+    showOriginalMessage({
+      chatId: message.chatId,
+      id: message.id,
+    });
+    closeMenu();
+  }, [closeMenu, message, showOriginalMessage]);
+
+  const handleSelectLanguage = useCallback(() => {
+    openMessageLanguageModal({
+      chatId: message.chatId,
+      id: message.id,
+    });
+    closeMenu();
+  }, [closeMenu, message.chatId, message.id, openMessageLanguageModal]);
+
   const reportMessageIds = useMemo(() => (album ? album.messages : [message]).map(({ id }) => id), [album, message]);
 
   if (noOptions) {
@@ -438,6 +475,9 @@ const ContextMenuContainer: FC<OwnProps & StateProps> = ({
         canRevote={canRevote}
         canClosePoll={canClosePoll}
         canShowSeenBy={canShowSeenBy}
+        canTranslate={canTranslate}
+        canShowOriginal={canShowOriginal}
+        canSelectLanguage={canSelectLanguage}
         hasCustomEmoji={hasCustomEmoji}
         customEmojiSets={customEmojiSets}
         isDownloading={isDownloading}
@@ -467,6 +507,9 @@ const ContextMenuContainer: FC<OwnProps & StateProps> = ({
         onShowSeenBy={handleOpenSeenByModal}
         onToggleReaction={handleToggleReaction}
         onShowReactors={handleOpenReactorListModal}
+        onTranslate={handleTranslate}
+        onShowOriginal={handleShowOriginal}
+        onSelectLanguage={handleSelectLanguage}
       />
       <DeleteMessageModal
         isOpen={isDeleteModalOpen}
@@ -499,7 +542,7 @@ const ContextMenuContainer: FC<OwnProps & StateProps> = ({
 };
 
 export default memo(withGlobal<OwnProps>(
-  (global, { message, messageListType }): StateProps => {
+  (global, { message, messageListType, detectedLanguage }): StateProps => {
     const { threadId } = selectCurrentMessageList(global) || {};
     const activeDownloads = selectActiveDownloadIds(global, message.chatId);
     const chat = selectChat(global, message.chatId);
@@ -524,6 +567,7 @@ export default memo(withGlobal<OwnProps>(
       canClosePoll,
     } = (threadId && selectAllowedMessageActions(global, message, threadId)) || {};
 
+    const isOwn = isOwnMessage(message);
     const isPinned = messageListType === 'pinned';
     const isScheduled = messageListType === 'scheduled';
     const isChannel = chat && isChatChannel(chat);
@@ -532,7 +576,7 @@ export default memo(withGlobal<OwnProps>(
       && seenByMaxChatMembers
       && seenByExpiresAt
       && isChatGroup(chat)
-      && isOwnMessage(message)
+      && isOwn
       && !isScheduled
       && chat.membersCount
       && chat.membersCount <= seenByMaxChatMembers
@@ -550,6 +594,18 @@ export default memo(withGlobal<OwnProps>(
     const customEmojiSets = customEmojiSetsNotFiltered?.every<ApiStickerSet>(Boolean)
       ? customEmojiSetsNotFiltered : undefined;
 
+    const translationRequestLanguage = selectRequestedTranslationLanguage(global, message.chatId, message.id);
+    const hasTranslation = translationRequestLanguage
+      ? Boolean(selectMessageTranslations(global, message.chatId, translationRequestLanguage)[message.id]?.text)
+      : undefined;
+
+    const { canTranslate: isTranslationEnabled, language, doNotTranslate } = global.settings.byKey;
+
+    const canTranslateLanguage = !detectedLanguage
+      || (!doNotTranslate.includes(detectedLanguage) && language !== detectedLanguage);
+    const canTranslate = IS_TRANSLATION_SUPPORTED && isTranslationEnabled && message.content.text
+      && canTranslateLanguage && !isLocal && !isScheduled && !isAction && !hasTranslation && !message.emojiOnlyCount;
+
     return {
       availableReactions: global.availableReactions,
       noOptions,
@@ -585,6 +641,9 @@ export default memo(withGlobal<OwnProps>(
       customEmojiSets,
       canScheduleUntilOnline: selectCanScheduleUntilOnline(global, message.chatId),
       threadId,
+      canTranslate,
+      canShowOriginal: hasTranslation,
+      canSelectLanguage: hasTranslation,
     };
   },
 )(ContextMenuContainer));
diff --git a/src/components/middle/message/Message.tsx b/src/components/middle/message/Message.tsx
index c2b6540d5..0a45f3e5c 100644
--- a/src/components/middle/message/Message.tsx
+++ b/src/components/middle/message/Message.tsx
@@ -9,7 +9,9 @@ import React, {
 } from '../../../lib/teact/teact';
 import { getActions, withGlobal } from '../../../global';
 
-import type { ActiveEmojiInteraction, ActiveReaction, MessageListType } from '../../../global/types';
+import type {
+  ActiveEmojiInteraction, ActiveReaction, ChatTranslatedMessages, MessageListType,
+} from '../../../global/types';
 import type {
   ApiMessage,
   ApiMessageOutgoingStatus,
@@ -63,6 +65,8 @@ import {
   selectIsChatProtected,
   selectTopicFromMessage,
   selectTabState,
+  selectChatTranslations,
+  selectRequestedTranslationLanguage,
 } from '../../../global/selectors';
 import {
   getMessageContent,
@@ -113,6 +117,9 @@ import useInnerHandlers from './hooks/useInnerHandlers';
 import useAppLayout from '../../../hooks/useAppLayout';
 import useResizeObserver from '../../../hooks/useResizeObserver';
 import useThrottledCallback from '../../../hooks/useThrottledCallback';
+import useMessageTranslation from './hooks/useMessageTranslation';
+import usePrevious from '../../../hooks/usePrevious';
+import useTextLanguage from '../../../hooks/useTextLanguage';
 
 import Button from '../../ui/Button';
 import Avatar from '../../common/Avatar';
@@ -233,6 +240,9 @@ type StateProps = {
   senderAdminMember?: ApiChatMember;
   messageTopic?: ApiTopic;
   hasTopicChip?: boolean;
+  chatTranslations?: ChatTranslatedMessages;
+  areTranslationsEnabled?: boolean;
+  requestedTranslationLanguage?: string;
 };
 
 type MetaPosition =
@@ -329,6 +339,9 @@ const Message: FC<OwnProps & StateProps> = ({
   senderAdminMember,
   messageTopic,
   hasTopicChip,
+  chatTranslations,
+  areTranslationsEnabled,
+  requestedTranslationLanguage,
 }) => {
   const {
     toggleMessageSelection,
@@ -468,6 +481,7 @@ const Message: FC<OwnProps & StateProps> = ({
     handleAudioPlay,
     handleAlbumMediaClick,
     handleMetaClick,
+    handleTranslationClick,
     handleOpenThread,
     handleReadMedia,
     handleCancelUpload,
@@ -537,6 +551,17 @@ const Message: FC<OwnProps & StateProps> = ({
     text, photo, video, audio, voice, document, sticker, contact, poll, webPage, invoice, location, action, game,
   } = getMessageContent(message);
 
+  const { result: detectedLanguage } = useTextLanguage(areTranslationsEnabled ? text?.text : undefined);
+
+  const { isPending: isTranslationPending, translatedText } = useMessageTranslation(
+    chatTranslations, chatId, messageId, requestedTranslationLanguage,
+  );
+  // Used to display previous result while new one is loading
+  const previousTranslatedText = usePrevious(translatedText, true);
+
+  const currentText = isTranslationPending ? (previousTranslatedText || text) : translatedText;
+  const currentTranslatedText = translatedText || previousTranslatedText;
+
   const { phoneCall } = action || {};
 
   const withCommentButton = repliesThreadInfo && !isInDocumentGroupNotLast && messageListType === 'thread'
@@ -663,13 +688,15 @@ const Message: FC<OwnProps & StateProps> = ({
     }
 
     if (width) {
-      calculatedWidth = Math.max(getMinMediaWidth(Boolean(text), withCommentButton), width);
+      calculatedWidth = Math.max(getMinMediaWidth(Boolean(currentText), withCommentButton), width);
       if (invoice?.extendedMedia && calculatedWidth - width > NO_MEDIA_CORNERS_THRESHOLD) {
         noMediaCorners = true;
       }
     }
   } else if (albumLayout) {
-    calculatedWidth = Math.max(getMinMediaWidth(Boolean(text), withCommentButton), albumLayout.containerStyle.width);
+    calculatedWidth = Math.max(
+      getMinMediaWidth(Boolean(currentText), withCommentButton), albumLayout.containerStyle.width,
+    );
     if (calculatedWidth - albumLayout.containerStyle.width > NO_MEDIA_CORNERS_THRESHOLD) {
       noMediaCorners = true;
     }
@@ -707,6 +734,22 @@ const Message: FC<OwnProps & StateProps> = ({
     );
   }
 
+  function renderMessageText(isForAnimation?: boolean) {
+    return (
+      <MessageText
+        message={message}
+        translatedText={requestedTranslationLanguage ? currentTranslatedText : undefined}
+        isForAnimation={isForAnimation}
+        emojiSize={emojiSize}
+        highlight={highlight}
+        isProtected={isProtected}
+        observeIntersectionForLoading={observeIntersectionForLoading}
+        observeIntersectionForPlaying={observeIntersectionForPlaying}
+        withTranslucentThumbs={isCustomShape}
+      />
+    );
+  }
+
   function renderReactionsAndMeta() {
     const meta = (
       <MessageMeta
@@ -717,7 +760,9 @@ const Message: FC<OwnProps & StateProps> = ({
         signature={signature}
         withReactionOffset={reactionsPosition === 'inside'}
         availableReactions={availableReactions}
+        isTranslated={Boolean(requestedTranslationLanguage ? currentTranslatedText : undefined)}
         onClick={handleMetaClick}
+        onTranslationClick={handleTranslationClick}
         onOpenThread={handleOpenThread}
       />
     );
@@ -749,6 +794,7 @@ const Message: FC<OwnProps & StateProps> = ({
     const hasCustomAppendix = isLastInGroup && !hasText && !asForwarded && !hasThread;
     const textContentClass = buildClassName(
       'text-content',
+      'clearfix',
       metaPosition === 'in-text' && 'with-meta',
       outgoingStatus && 'with-outgoing-icon',
     );
@@ -954,15 +1000,14 @@ const Message: FC<OwnProps & StateProps> = ({
 
         {!hasAnimatedEmoji && hasText && (
           <div className={textContentClass} dir="auto">
-            <MessageText
-              message={message}
-              emojiSize={emojiSize}
-              highlight={highlight}
-              isProtected={isProtected}
-              observeIntersectionForLoading={observeIntersectionForLoading}
-              observeIntersectionForPlaying={observeIntersectionForPlaying}
-              withTranslucentThumbs={isCustomShape}
-            />
+            {renderMessageText()}
+            {isTranslationPending && (
+              <div className="translation-animation">
+                <div className="text-loading">
+                  {renderMessageText(true)}
+                </div>
+              </div>
+            )}
             {metaPosition === 'in-text' && renderReactionsAndMeta()}
           </div>
         )}
@@ -1208,6 +1253,7 @@ const Message: FC<OwnProps & StateProps> = ({
           onCloseAnimationEnd={handleContextMenuHide}
           repliesThreadInfo={repliesThreadInfo}
           noReplies={noReplies}
+          detectedLanguage={detectedLanguage}
         />
       )}
     </div>
@@ -1300,6 +1346,8 @@ export default memo(withGlobal<OwnProps>(
       : undefined;
 
     const isLocation = Boolean(getMessageLocation(message));
+    const chatTranslations = selectChatTranslations(global, chatId);
+    const requestedTranslationLanguage = selectRequestedTranslationLanguage(global, chatId, message.id);
 
     return {
       theme: selectTheme(global),
@@ -1355,6 +1403,9 @@ export default memo(withGlobal<OwnProps>(
       messageTopic,
       genericEffects: global.genericEmojiEffects,
       hasTopicChip,
+      chatTranslations,
+      areTranslationsEnabled: global.settings.byKey.canTranslate,
+      requestedTranslationLanguage,
       ...((canShowSender || isLocation) && { sender }),
       ...(isOutgoing && { outgoingStatus: selectOutgoingStatus(global, message, messageListType === 'scheduled') }),
       ...(typeof uploadProgress === 'number' && { uploadProgress }),
diff --git a/src/components/middle/message/MessageContextMenu.tsx b/src/components/middle/message/MessageContextMenu.tsx
index 3c190ac36..ea4f46faf 100644
--- a/src/components/middle/message/MessageContextMenu.tsx
+++ b/src/components/middle/message/MessageContextMenu.tsx
@@ -61,6 +61,9 @@ type OwnProps = {
   canCopy?: boolean;
   canCopyLink?: boolean;
   canSelect?: boolean;
+  canTranslate?: boolean;
+  canShowOriginal?: boolean;
+  canSelectLanguage?: boolean;
   isPrivate?: boolean;
   isCurrentUserPremium?: boolean;
   canDownload?: boolean;
@@ -99,6 +102,9 @@ type OwnProps = {
   onShowReactors?: () => void;
   onAboutAds?: () => void;
   onSponsoredHide?: () => void;
+  onTranslate?: () => void;
+  onShowOriginal?: () => void;
+  onSelectLanguage?: () => void;
   onToggleReaction?: (reaction: ApiReaction) => void;
 };
 
@@ -135,6 +141,9 @@ const MessageContextMenu: FC<OwnProps> = ({
   canSaveGif,
   canRevote,
   canClosePoll,
+  canTranslate,
+  canShowOriginal,
+  canSelectLanguage,
   isDownloading,
   repliesThreadInfo,
   canShowSeenBy,
@@ -170,6 +179,9 @@ const MessageContextMenu: FC<OwnProps> = ({
   onCopyMessages,
   onAboutAds,
   onSponsoredHide,
+  onTranslate,
+  onShowOriginal,
+  onSelectLanguage,
 }) => {
   const { showNotification, openStickerSet, openCustomEmojiSets } = getActions();
   // eslint-disable-next-line no-null/no-null
@@ -319,6 +331,11 @@ const MessageContextMenu: FC<OwnProps> = ({
         {canUnfaveSticker && (
           <MenuItem icon="favorite" onClick={onUnfaveSticker}>{lang('Stickers.RemoveFromFavorites')}</MenuItem>
         )}
+        {canTranslate && <MenuItem icon="language" onClick={onTranslate}>{lang('TranslateMessage')}</MenuItem>}
+        {canShowOriginal && <MenuItem icon="language" onClick={onShowOriginal}>{lang('ShowOriginalButton')}</MenuItem>}
+        {canSelectLanguage && (
+          <MenuItem icon="web" onClick={onSelectLanguage}>{lang('lng_settings_change_lang')}</MenuItem>
+        )}
         {canCopy && copyOptions.map((option) => (
           <MenuItem key={option.label} icon={option.icon} onClick={option.handler}>{lang(option.label)}</MenuItem>
         ))}
diff --git a/src/components/middle/message/MessageMeta.scss b/src/components/middle/message/MessageMeta.scss
index 7259f3536..8c932a880 100644
--- a/src/components/middle/message/MessageMeta.scss
+++ b/src/components/middle/message/MessageMeta.scss
@@ -17,7 +17,8 @@
   .message-imported,
   .message-signature,
   .message-views,
-  .message-replies {
+  .message-replies,
+  .message-translated {
     font-size: 0.75rem;
     white-space: nowrap;
   }
@@ -36,6 +37,10 @@
     margin-inline-start: 0.1875rem;
   }
 
+  .message-translated {
+    margin-inline-end: 0.25rem;
+  }
+
   .message-imported,
   .message-signature {
     overflow: hidden;
diff --git a/src/components/middle/message/MessageMeta.tsx b/src/components/middle/message/MessageMeta.tsx
index c8cc003d3..382a03cb6 100644
--- a/src/components/middle/message/MessageMeta.tsx
+++ b/src/components/middle/message/MessageMeta.tsx
@@ -27,8 +27,10 @@ type OwnProps = {
   availableReactions?: ApiAvailableReaction[];
   noReplies?: boolean;
   repliesThreadInfo?: ApiThreadInfo;
-  onClick: (e: React.MouseEvent<HTMLDivElement, MouseEvent>) => void;
-  onOpenThread: () => void;
+  isTranslated?: boolean;
+  onClick: (e: React.MouseEvent<HTMLDivElement>) => void;
+  onTranslationClick: (e: React.MouseEvent<HTMLDivElement>) => void;
+  onOpenThread: NoneToVoidFunction;
 };
 
 const MessageMeta: FC<OwnProps> = ({
@@ -38,7 +40,9 @@ const MessageMeta: FC<OwnProps> = ({
   withReactionOffset,
   repliesThreadInfo,
   noReplies,
+  isTranslated,
   onClick,
+  onTranslationClick,
   onOpenThread,
 }) => {
   const { showNotification } = getActions();
@@ -90,6 +94,9 @@ const MessageMeta: FC<OwnProps> = ({
       onClick={onClick}
       data-ignore-on-paste
     >
+      {isTranslated && (
+        <i className="icon-language message-translated" onClick={onTranslationClick} />
+      )}
       {Boolean(message.views) && (
         <>
           <span className="message-views">
diff --git a/src/components/middle/message/_message-content.scss b/src/components/middle/message/_message-content.scss
index 9d7346c1a..d059c4215 100644
--- a/src/components/middle/message/_message-content.scss
+++ b/src/components/middle/message/_message-content.scss
@@ -41,8 +41,10 @@
     white-space: pre-wrap;
     line-height: 1.3125;
     text-align: initial;
-    display: flow-root;
+    display: block;
     unicode-bidi: plaintext;
+    border-radius: 0.25rem;
+    position: relative;
   }
 
   .transcription {
@@ -68,6 +70,40 @@
     }
   }
 
+  .translation-animation {
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+
+    pointer-events: none;
+  }
+
+  .text-loading {
+    --background-gradient-size: 20rem;
+    --animation-color: var(--color-skeleton-background);
+
+    background-image: linear-gradient(to right, transparent 10%, var(--animation-color) 50%, transparent 90%);
+    background-size: var(--background-gradient-size);
+
+    display: inline;
+    box-decoration-break: clone;
+    color: transparent;
+
+    border-radius: 0.25rem;
+
+    animation: text-loading 1.5s linear infinite;
+
+    .theme-dark & {
+      --animation-color: var(--color-skeleton-foreground);
+    }
+
+    .emoji {
+      opacity: 0;
+    }
+  }
+
   .text-entity-link {
     unicode-bidi: plaintext;
   }
@@ -735,7 +771,6 @@
     }
 
     .text-content {
-      margin-bottom: 1.25rem;
       word-break: normal;
       line-height: var(--emoji-only-size);
       font-size: var(--emoji-only-size);
@@ -747,7 +782,7 @@
 
       .MessageMeta {
         text-shadow: none;
-        bottom: 0;
+        bottom: -1.25rem;
         right: 0;
         line-height: normal;
       }
@@ -903,3 +938,19 @@
   font-family: var(--font-family-monospace);
   font-size: 0.875rem;
 }
+
+@keyframes text-loading {
+  0% {
+    background-position-x: 0;
+    opacity: 1;
+  }
+
+  50% {
+    opacity: 0.8;
+  }
+
+  100% {
+    background-position-x: var(--background-gradient-size);
+    opacity: 1;
+  }
+}
diff --git a/src/components/middle/message/hooks/useInnerHandlers.ts b/src/components/middle/message/hooks/useInnerHandlers.ts
index a7f904050..d4642b8a0 100644
--- a/src/components/middle/message/hooks/useInnerHandlers.ts
+++ b/src/components/middle/message/hooks/useInnerHandlers.ts
@@ -29,6 +29,7 @@ export default function useInnerHandlers(
   const {
     openChat, showNotification, focusMessage, openMediaViewer, openAudioPlayer,
     markMessagesRead, cancelSendingMessage, sendPollVote, openForwardMenu, focusMessageInComments,
+    openMessageLanguageModal,
   } = getActions();
 
   const {
@@ -154,12 +155,18 @@ export default function useInnerHandlers(
     focusMessageInComments, replyToTopMessageId,
   ]);
 
-  const selectWithGroupedId = useCallback((e: React.MouseEvent<HTMLDivElement, MouseEvent>) => {
+  const selectWithGroupedId = useCallback((e: React.MouseEvent<HTMLDivElement>) => {
     e.stopPropagation();
 
     selectMessage(e, groupedId);
   }, [selectMessage, groupedId]);
 
+  const handleTranslationClick = useCallback((e: React.MouseEvent<HTMLDivElement>) => {
+    e.stopPropagation();
+
+    openMessageLanguageModal({ chatId, id: messageId });
+  }, [chatId, messageId, openMessageLanguageModal]);
+
   const handleOpenThread = useCallback(() => {
     openChat({
       id: message.chatId,
@@ -185,6 +192,7 @@ export default function useInnerHandlers(
     handleAudioPlay,
     handleAlbumMediaClick,
     handleMetaClick: selectWithGroupedId,
+    handleTranslationClick,
     handleOpenThread,
     handleReadMedia,
     handleCancelUpload,
diff --git a/src/components/middle/message/hooks/useMessageTranslation.ts b/src/components/middle/message/hooks/useMessageTranslation.ts
new file mode 100644
index 000000000..61d2b3604
--- /dev/null
+++ b/src/components/middle/message/hooks/useMessageTranslation.ts
@@ -0,0 +1,27 @@
+import { useEffect } from '../../../../lib/teact/teact';
+import { getActions } from '../../../../global';
+import type { ChatTranslatedMessages } from '../../../../global/types';
+
+export default function useMessageTranslation(
+  chatTranslations: ChatTranslatedMessages | undefined,
+  chatId: string,
+  messageId: number,
+  requestedLanguageCode?: string,
+) {
+  const { translateMessages } = getActions();
+  const messageTranslation = requestedLanguageCode
+    ? chatTranslations?.byLangCode[requestedLanguageCode]?.[messageId] : undefined;
+
+  const { isPending, text } = messageTranslation || {};
+
+  useEffect(() => {
+    if (!text && !isPending && requestedLanguageCode) {
+      translateMessages({ chatId, messageIds: [messageId], toLanguageCode: requestedLanguageCode });
+    }
+  }, [chatId, text, isPending, messageId, requestedLanguageCode, translateMessages]);
+
+  return {
+    isPending,
+    translatedText: text,
+  };
+}
diff --git a/src/components/ui/CheckboxGroup.tsx b/src/components/ui/CheckboxGroup.tsx
index ffa4fb4c1..d84165826 100644
--- a/src/components/ui/CheckboxGroup.tsx
+++ b/src/components/ui/CheckboxGroup.tsx
@@ -4,9 +4,10 @@ import React, { useCallback, memo, useState } from '../../lib/teact/teact';
 
 import Checkbox from './Checkbox';
 
-type IRadioOption = {
+export type IRadioOption = {
   label: string;
   subLabel?: string;
+  disabled?: boolean;
   value: string;
 };
 
@@ -52,7 +53,7 @@ const CheckboxGroup: FC<OwnProps> = ({
           subLabel={option.subLabel}
           value={option.value}
           checked={selected.indexOf(option.value) !== -1}
-          disabled={disabled}
+          disabled={option.disabled || disabled}
           round={round}
           isLoading={loadingOptions ? loadingOptions.indexOf(option.value) !== -1 : undefined}
           onChange={handleChange}
diff --git a/src/components/ui/Modal.scss b/src/components/ui/Modal.scss
index c6d6e0213..a23d4c008 100644
--- a/src/components/ui/Modal.scss
+++ b/src/components/ui/Modal.scss
@@ -28,6 +28,16 @@
     }
   }
 
+  &.slim {
+    .modal-dialog {
+      max-width: 25rem;
+    }
+
+    .modal-content {
+      max-height: min(92vh, 32rem);
+    }
+  }
+
   .modal-container {
     position: fixed;
     top: 0;
diff --git a/src/components/ui/Modal.tsx b/src/components/ui/Modal.tsx
index a36454a24..04056f1f1 100644
--- a/src/components/ui/Modal.tsx
+++ b/src/components/ui/Modal.tsx
@@ -26,6 +26,7 @@ type OwnProps = {
   className?: string;
   isOpen?: boolean;
   header?: TeactNode;
+  isSlim?: boolean;
   hasCloseButton?: boolean;
   noBackdrop?: boolean;
   noBackdropClose?: boolean;
@@ -46,6 +47,7 @@ const Modal: FC<OwnProps & StateProps> = ({
   title,
   className,
   isOpen,
+  isSlim,
   header,
   hasCloseButton,
   noBackdrop,
@@ -136,6 +138,7 @@ const Modal: FC<OwnProps & StateProps> = ({
     className,
     transitionClassNames,
     noBackdrop && 'transparent-backdrop',
+    isSlim && 'slim',
   );
 
   return (
diff --git a/src/config.ts b/src/config.ts
index 701141140..63ced2d81 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -44,7 +44,7 @@ export const CUSTOM_EMOJI_PREVIEW_CACHE_DISABLED = false;
 export const CUSTOM_EMOJI_PREVIEW_CACHE_NAME = 'tt-custom-emoji-preview';
 export const MEDIA_CACHE_MAX_BYTES = 512 * 1024; // 512 KB
 export const CUSTOM_BG_CACHE_NAME = 'tt-custom-bg';
-export const LANG_CACHE_NAME = 'tt-lang-packs-v16';
+export const LANG_CACHE_NAME = 'tt-lang-packs-v17';
 export const ASSET_CACHE_NAME = 'tt-assets';
 export const AUTODOWNLOAD_FILESIZE_MB_LIMITS = [1, 5, 10, 50, 100, 500];
 export const DATA_BROADCAST_CHANNEL_NAME = 'tt-global';
@@ -218,6 +218,25 @@ export const CONTENT_TYPES_WITH_PREVIEW = new Set([
 
 export const CONTENT_NOT_SUPPORTED = 'The message is not supported on this version of Telegram.';
 
+// Taken from https://github.com/telegramdesktop/tdesktop/blob/41d9a9fcbd0c809c60ddbd9350791b1436aff7d9/Telegram/SourceFiles/ui/boxes/choose_language_box.cpp#L28
+export const SUPPORTED_TRANSLATION_LANGUAGES = [
+  // Official
+  'en', 'ar', 'be', 'ca', 'zh', 'nl', 'fr', 'de', 'id',
+  'it', 'ja', 'ko', 'pl', 'pt', 'ru', 'es', 'uk',
+  // Unnofficial
+  'af', 'sq', 'am', 'hy', 'az', 'eu', 'bn', 'bs', 'bg',
+  'ceb', 'zh-CN', 'zh-TW', 'co', 'hr', 'cs', 'da', 'eo',
+  'et', 'fi', 'fy', 'gl', 'ka', 'el', 'gu', 'ht', 'ha',
+  'haw', 'he', 'iw', 'hi', 'hmn', 'hu', 'is', 'ig', 'ga',
+  'jv', 'kn', 'kk', 'km', 'rw', 'ku', 'ky', 'lo', 'la',
+  'lv', 'lt', 'lb', 'mk', 'mg', 'ms', 'ml', 'mt', 'mi',
+  'mr', 'mn', 'my', 'ne', 'no', 'ny', 'or', 'ps', 'fa',
+  'pa', 'ro', 'sm', 'gd', 'sr', 'st', 'sn', 'sd', 'si',
+  'sk', 'sl', 'so', 'su', 'sw', 'sv', 'tl', 'tg', 'ta',
+  'tt', 'te', 'th', 'tr', 'tk', 'ur', 'ug', 'uz', 'vi',
+  'cy', 'xh', 'yi', 'yo', 'zu',
+];
+
 // eslint-disable-next-line max-len
 export const RE_LINK_TEMPLATE = '((ftp|https?):\\/\\/)?((www\\.)?[-a-zA-Z0-9@:%._+~#=]{1,256}\\.[a-zA-Z0-9()]{1,63})\\b([-a-zA-Z0-9()@:%_+.~#?&/=]*)';
 export const RE_MENTION_TEMPLATE = '(@[\\w\\d_-]+)';
diff --git a/src/global/actions/api/messages.ts b/src/global/actions/api/messages.ts
index 000d8561d..742e9bd5d 100644
--- a/src/global/actions/api/messages.ts
+++ b/src/global/actions/api/messages.ts
@@ -54,6 +54,9 @@ import {
   updateTopic,
   updateThreadInfo,
   replaceTabThreadParam,
+  updateRequestedMessageTranslation,
+  removeRequestedMessageTranslation,
+  updateMessageTranslation,
 } from '../../reducers';
 import {
   selectChat,
@@ -80,7 +83,9 @@ import {
   selectIsCurrentUserPremium,
   selectForwardsContainVoiceMessages,
   selectTabState,
-  selectThreadIdFromMessage, selectForwardsCanBeSentToChat,
+  selectThreadIdFromMessage,
+  selectLanguageCode,
+  selectForwardsCanBeSentToChat,
 } from '../../selectors';
 import {
   debounce, onTickEnd, rafPromise,
@@ -1411,6 +1416,49 @@ addActionHandler('forwardToSavedMessages', (global, actions, payload): ActionRet
   actions.forwardMessages({ isSilent: true, tabId });
 });
 
+addActionHandler('requestMessageTranslation', (global, actions, payload): ActionReturnType => {
+  const {
+    chatId, id, toLanguageCode = selectLanguageCode(global), tabId = getCurrentTabId(),
+  } = payload;
+
+  global = updateRequestedMessageTranslation(global, chatId, id, toLanguageCode, tabId);
+
+  return global;
+});
+
+addActionHandler('showOriginalMessage', (global, actions, payload): ActionReturnType => {
+  const {
+    chatId, id, tabId = getCurrentTabId(),
+  } = payload;
+
+  global = removeRequestedMessageTranslation(global, chatId, id, tabId);
+
+  return global;
+});
+
+addActionHandler('translateMessages', (global, actions, payload): ActionReturnType => {
+  const {
+    chatId, messageIds, toLanguageCode = selectLanguageCode(global),
+  } = payload;
+
+  const chat = selectChat(global, chatId);
+  if (!chat) return undefined;
+
+  messageIds.forEach((id) => {
+    global = updateMessageTranslation(global, chatId, id, toLanguageCode, {
+      isPending: true,
+    });
+  });
+
+  callApi('translateText', {
+    chat,
+    messageIds,
+    toLanguageCode,
+  });
+
+  return global;
+});
+
 function countSortedIds(ids: number[], from: number, to: number) {
   let count = 0;
 
diff --git a/src/global/actions/apiUpdaters/messages.ts b/src/global/actions/apiUpdaters/messages.ts
index 28e730e80..af33af711 100644
--- a/src/global/actions/apiUpdaters/messages.ts
+++ b/src/global/actions/apiUpdaters/messages.ts
@@ -27,6 +27,8 @@ import {
   updateThreadUnreadFromForwardedMessage,
   updateTopic,
   deleteTopic,
+  updateMessageTranslations,
+  clearMessageTranslation,
 } from '../../reducers';
 import {
   selectChatMessage,
@@ -211,6 +213,10 @@ addActionHandler('apiUpdate', (global, actions, update): ActionReturnType => {
         global = updateReactions(global, chatId, id, message.reactions, chat, newMessage.isOutgoing, currentMessage);
       }
 
+      if (message.content?.text?.text !== currentMessage?.content?.text?.text) {
+        global = clearMessageTranslation(global, chatId, id);
+      }
+
       setGlobal(global);
 
       break;
@@ -639,6 +645,18 @@ addActionHandler('apiUpdate', (global, actions, update): ActionReturnType => {
 
       global = updateChatMessage(global, chatId, localId, { sendingState: 'messageSendingStateFailed' });
       setGlobal(global);
+      break;
+    }
+
+    case 'updateMessageTranslations': {
+      const {
+        chatId, messageIds, toLanguageCode, translations,
+      } = update;
+
+      global = updateMessageTranslations(global, chatId, messageIds, toLanguageCode, translations);
+
+      setGlobal(global);
+      break;
     }
   }
 });
@@ -878,6 +896,8 @@ function deleteMessages<T extends GlobalState>(
         isDeleting: true,
       });
 
+      global = clearMessageTranslation(global, chatId, id);
+
       const newLastMessage = findLastMessage(global, chatId);
       if (newLastMessage) {
         global = updateChatLastMessage(global, chatId, newLastMessage, true);
diff --git a/src/global/actions/apiUpdaters/users.ts b/src/global/actions/apiUpdaters/users.ts
index 7301231d0..3349c58e4 100644
--- a/src/global/actions/apiUpdaters/users.ts
+++ b/src/global/actions/apiUpdaters/users.ts
@@ -39,8 +39,17 @@ addActionHandler('apiUpdate', (global, actions, update): ActionReturnType => {
 
     case 'updateUser': {
       Object.values(global.byTabId).forEach(({ id: tabId }) => {
-        if (update.id === global.currentUserId && update.user.isPremium && !selectIsCurrentUserPremium(global)) {
-          actions.openPremiumModal({ isSuccess: true, tabId });
+        if (update.id === global.currentUserId && update.user.isPremium !== selectIsCurrentUserPremium(global)) {
+          // TODO Do not display modal if premium is bought from another device
+          if (update.user.isPremium) actions.openPremiumModal({ isSuccess: true, tabId });
+
+          // Reset translation cache cause premium provides additional formatting
+          global = {
+            ...global,
+            translations: {
+              byChatId: {},
+            },
+          };
         }
       });
 
diff --git a/src/global/actions/ui/messages.ts b/src/global/actions/ui/messages.ts
index 5b094baff..1c6bb20a8 100644
--- a/src/global/actions/ui/messages.ts
+++ b/src/global/actions/ui/messages.ts
@@ -41,6 +41,7 @@ import {
   selectSender,
   selectChatScheduledMessages,
   selectTabState,
+  selectRequestedTranslationLanguage,
 } from '../../selectors';
 import { compact, findLast } from '../../../util/iteratees';
 import { getServerTime } from '../../../util/serverTime';
@@ -74,7 +75,7 @@ addActionHandler('setScrollOffset', (global, actions, payload): ActionReturnType
 });
 
 addActionHandler('setReplyingToId', (global, actions, payload): ActionReturnType => {
-  const { messageId, tabId = getCurrentTabId() } = payload!;
+  const { messageId, tabId = getCurrentTabId() } = payload;
   const currentMessageList = selectCurrentMessageList(global, tabId);
   if (!currentMessageList) {
     return undefined;
@@ -391,9 +392,9 @@ addActionHandler('focusMessage', (global, actions, payload): ActionReturnType =>
     chatId, threadId = MAIN_THREAD_ID, messageListType = 'thread', noHighlight, groupedId, groupedChatId,
     replyMessageId, isResizingContainer, shouldReplaceHistory, noForumTopicPanel,
     tabId = getCurrentTabId(),
-  } = payload!;
+  } = payload;
 
-  let { messageId } = payload!;
+  let { messageId } = payload;
 
   if (groupedId !== undefined) {
     const ids = selectForwardedMessageIdsByGroupId(global, groupedChatId!, groupedId);
@@ -759,7 +760,7 @@ addActionHandler('createServiceNotification', (global, actions, payload): Action
 });
 
 addActionHandler('openReactorListModal', (global, actions, payload): ActionReturnType => {
-  const { chatId, messageId, tabId = getCurrentTabId() } = payload!;
+  const { chatId, messageId, tabId = getCurrentTabId() } = payload;
 
   return updateTabState(global, {
     reactorModal: { chatId, messageId },
@@ -775,7 +776,7 @@ addActionHandler('closeReactorListModal', (global, actions, payload): ActionRetu
 });
 
 addActionHandler('openSeenByModal', (global, actions, payload): ActionReturnType => {
-  const { chatId, messageId, tabId = getCurrentTabId() } = payload!;
+  const { chatId, messageId, tabId = getCurrentTabId() } = payload;
 
   return updateTabState(global, {
     seenByModal: { chatId, messageId },
@@ -790,6 +791,24 @@ addActionHandler('closeSeenByModal', (global, actions, payload): ActionReturnTyp
   }, tabId);
 });
 
+addActionHandler('openMessageLanguageModal', (global, actions, payload): ActionReturnType => {
+  const { chatId, id, tabId = getCurrentTabId() } = payload;
+
+  const activeLanguage = selectRequestedTranslationLanguage(global, chatId, id, tabId);
+
+  return updateTabState(global, {
+    messageLanguageModal: { chatId, messageId: id, activeLanguage },
+  }, tabId);
+});
+
+addActionHandler('closeMessageLanguageModal', (global, actions, payload): ActionReturnType => {
+  const { tabId = getCurrentTabId() } = payload || {};
+
+  return updateTabState(global, {
+    messageLanguageModal: undefined,
+  }, tabId);
+});
+
 addActionHandler('copySelectedMessages', (global, actions, payload): ActionReturnType => {
   const { tabId = getCurrentTabId() } = payload;
   const tabState = selectTabState(global, tabId);
diff --git a/src/global/cache.ts b/src/global/cache.ts
index c365d0da5..0cadf0ee3 100644
--- a/src/global/cache.ts
+++ b/src/global/cache.ts
@@ -257,10 +257,6 @@ function unsafeMigrateCache(cached: GlobalState, initialState: GlobalState) {
     cached.recentCustomEmojis = [];
   }
 
-  if (cached.settings.byKey.shouldSuggestCustomEmoji === undefined) {
-    cached.settings.byKey.shouldSuggestCustomEmoji = true;
-  }
-
   if (!cached.stickers.premiumSet) {
     cached.stickers.premiumSet = {
       stickers: [],
diff --git a/src/global/initialState.ts b/src/global/initialState.ts
index 45e2560df..d9d2eaf42 100644
--- a/src/global/initialState.ts
+++ b/src/global/initialState.ts
@@ -165,6 +165,9 @@ export const INITIAL_GLOBAL_STATE: GlobalState = {
       wasTimeFormatSetManually: false,
       isConnectionStatusMinimized: true,
       shouldArchiveAndMuteNewNonContact: false,
+      canTranslate: false,
+      canTranslateChats: true,
+      doNotTranslate: [],
     },
     themes: {
       light: {
@@ -184,6 +187,9 @@ export const INITIAL_GLOBAL_STATE: GlobalState = {
   trustedBotIds: [],
 
   transcriptions: {},
+  translations: {
+    byChatId: {},
+  },
 
   byTabId: {},
 
@@ -267,4 +273,8 @@ export const INITIAL_TAB_STATE: TabState = {
   pollModal: {
     isOpen: false,
   },
+
+  requestedTranslations: {
+    byChatId: {},
+  },
 };
diff --git a/src/global/reducers/index.ts b/src/global/reducers/index.ts
index 52e487131..2c395a9aa 100644
--- a/src/global/reducers/index.ts
+++ b/src/global/reducers/index.ts
@@ -10,3 +10,4 @@ export * from './twoFaSettings';
 export * from './passcode';
 export * from './payments';
 export * from './statistics';
+export * from './translations';
diff --git a/src/global/reducers/messages.ts b/src/global/reducers/messages.ts
index b9be302be..cc3095b4c 100644
--- a/src/global/reducers/messages.ts
+++ b/src/global/reducers/messages.ts
@@ -1,7 +1,9 @@
 import type {
   GlobalState, MessageList, MessageListType, TabArgs, Thread, TabThread,
 } from '../types';
-import type { ApiMessage, ApiSponsoredMessage, ApiThreadInfo } from '../../api/types';
+import type {
+  ApiMessage, ApiSponsoredMessage, ApiThreadInfo,
+} from '../../api/types';
 import { MAIN_THREAD_ID } from '../../api/types';
 import type { FocusDirection } from '../../types';
 
diff --git a/src/global/reducers/translations.ts b/src/global/reducers/translations.ts
new file mode 100644
index 000000000..035d6e85e
--- /dev/null
+++ b/src/global/reducers/translations.ts
@@ -0,0 +1,129 @@
+import type { GlobalState, TabArgs, TranslatedMessage } from '../types';
+import type { ApiFormattedText } from '../../api/types';
+
+import { getCurrentTabId } from '../../util/establishMultitabRole';
+import { omit } from '../../util/iteratees';
+import { selectMessageTranslations, selectTabState } from '../selectors';
+import { updateTabState } from './tabs';
+
+export function updateMessageTranslation<T extends GlobalState>(
+  global: T, chatId: string, messageId: number, toLanguageCode: string, translation: Partial<TranslatedMessage>,
+) {
+  const translatedMessages = selectMessageTranslations(global, chatId, toLanguageCode);
+
+  return {
+    ...global,
+    translations: {
+      ...global.translations,
+      byChatId: {
+        ...global.translations.byChatId,
+        [chatId]: {
+          ...global.translations.byChatId[chatId],
+          byLangCode: {
+            ...global.translations.byChatId[chatId]?.byLangCode,
+            [toLanguageCode]: {
+              ...translatedMessages,
+              [messageId]: {
+                ...translatedMessages[messageId],
+                ...translation,
+              },
+            },
+          },
+        },
+      },
+    },
+  };
+}
+
+export function clearMessageTranslation<T extends GlobalState>(
+  global: T, chatId: string, messageId: number,
+) {
+  const chatTranslations = global.translations.byChatId[chatId];
+  if (!chatTranslations) return global;
+
+  const { byLangCode } = chatTranslations;
+  const newByLangCode = Object.keys(byLangCode).reduce((acc, langCode) => {
+    const newTranslatedMessages = omit(byLangCode[langCode], [messageId]);
+    if (Object.keys(newTranslatedMessages).length) {
+      acc[langCode] = newTranslatedMessages;
+    }
+
+    return acc;
+  }, {} as Record<string, Record<number, TranslatedMessage>>);
+
+  return {
+    ...global,
+    translations: {
+      ...global.translations,
+      byChatId: {
+        ...global.translations.byChatId,
+        [chatId]: {
+          ...chatTranslations,
+          byLangCode: newByLangCode,
+        },
+      },
+    },
+  };
+}
+
+export function updateMessageTranslations<T extends GlobalState>(
+  global: T, chatId: string, messageIds: number[], toLanguageCode: string, translations: ApiFormattedText[],
+) {
+  messageIds.forEach((messageId, index) => {
+    global = updateMessageTranslation(global, chatId, messageId, toLanguageCode, {
+      text: translations[index],
+      isPending: false,
+    });
+  });
+
+  return global;
+}
+
+export function updateRequestedMessageTranslation<T extends GlobalState>(
+  global: T, chatId: string, messageId: number, toLanguageCode: string, ...[tabId = getCurrentTabId()]: TabArgs<T>
+) {
+  const tabState = selectTabState(global, tabId);
+  global = updateTabState(global, {
+    requestedTranslations: {
+      ...tabState.requestedTranslations,
+      byChatId: {
+        ...tabState.requestedTranslations.byChatId,
+        [chatId]: {
+          ...tabState.requestedTranslations.byChatId[chatId],
+          manualMessages: {
+            ...tabState.requestedTranslations.byChatId[chatId]?.manualMessages,
+            [messageId]: toLanguageCode,
+          },
+        },
+      },
+    },
+  }, tabId);
+
+  return global;
+}
+
+export function removeRequestedMessageTranslation<T extends GlobalState>(
+  global: T, chatId: string, messageId: number, ...[tabId = getCurrentTabId()]: TabArgs<T>
+) {
+  const tabState = selectTabState(global, tabId);
+
+  const manualMessages = tabState.requestedTranslations.byChatId[chatId]?.manualMessages;
+  if (!manualMessages) return global;
+
+  const newManualMessages = omit(manualMessages, [messageId]);
+
+  global = updateTabState(global, {
+    requestedTranslations: {
+      ...tabState.requestedTranslations,
+      byChatId: {
+        ...tabState.requestedTranslations.byChatId,
+        [chatId]: {
+          ...tabState.requestedTranslations.byChatId[chatId],
+          manualMessages: newManualMessages,
+        },
+      },
+    },
+  }, tabId);
+
+  return global;
+}
diff --git a/src/global/selectors/messages.ts b/src/global/selectors/messages.ts
index f622453cd..f08597fca 100644
--- a/src/global/selectors/messages.ts
+++ b/src/global/selectors/messages.ts
@@ -1,5 +1,5 @@
 import type {
-  GlobalState, MessageListType, TabArgs, Thread, TabThread,
+  GlobalState, MessageListType, TabArgs, Thread, TabThread, ChatTranslatedMessages,
 } from '../types';
 import type {
   ApiChat,
@@ -1280,6 +1280,24 @@ export function selectForwardsContainVoiceMessages<T extends GlobalState>(
   });
 }
 
+export function selectChatTranslations<T extends GlobalState>(
+  global: T, chatId: string,
+): ChatTranslatedMessages {
+  return global.translations.byChatId[chatId];
+}
+
+export function selectMessageTranslations<T extends GlobalState>(
+  global: T, chatId: string, toLanguageCode: string,
+) {
+  return selectChatTranslations(global, chatId)?.byLangCode[toLanguageCode] || {};
+}
+
+export function selectRequestedTranslationLanguage<T extends GlobalState>(
+  global: T, chatId: string, messageId: number, tabId = getCurrentTabId(),
+): string | undefined {
+  return selectTabState(global, tabId).requestedTranslations.byChatId[chatId]?.manualMessages?.[messageId];
+}
+
 export function selectForwardsCanBeSentToChat<T extends GlobalState>(
   global: T,
   toChatId: string,
diff --git a/src/global/selectors/settings.ts b/src/global/selectors/settings.ts
index 3cf4c1a50..7dd3fc834 100644
--- a/src/global/selectors/settings.ts
+++ b/src/global/selectors/settings.ts
@@ -7,3 +7,7 @@ export function selectNotifySettings<T extends GlobalState>(global: T) {
 export function selectNotifyExceptions<T extends GlobalState>(global: T) {
   return global.settings.notifyExceptions;
 }
+
+export function selectLanguageCode<T extends GlobalState>(global: T) {
+  return global.settings.byKey.language.replace('-raw', '');
+}
diff --git a/src/global/types.ts b/src/global/types.ts
index 26d5f7d8f..a5ada802f 100644
--- a/src/global/types.ts
+++ b/src/global/types.ts
@@ -160,6 +160,20 @@ export type ApiLimitTypeWithModal = Exclude<ApiLimitType, (
   'captionLength' | 'aboutLength' | 'stickersFaved' | 'savedGifs'
 )>;
 
+export type TranslatedMessage = {
+  isPending?: boolean;
+  text?: ApiFormattedText;
+};
+
+export type ChatTranslatedMessages = {
+  byLangCode: Record<string, Record<number, TranslatedMessage>>;
+};
+
+export type ChatRequestedTranslations = {
+  toLanguage?: string;
+  manualMessages?: Record<number, string>;
+};
+
 export type TabState = {
   id: number;
   isMasterTab: boolean;
@@ -520,6 +534,15 @@ export type TabState = {
     topicId: number;
     isLoading?: boolean;
   };
+
+  requestedTranslations: {
+    byChatId: Record<string, ChatRequestedTranslations>;
+  };
+  messageLanguageModal?: {
+    chatId: string;
+    messageId: number;
+    activeLanguage?: string;
+  };
 };
 
 export type GlobalState = {
@@ -786,6 +809,10 @@ export type GlobalState = {
     isMinimized: boolean;
     isHidden: boolean;
   };
+
+  translations: {
+    byChatId: Record<string, ChatTranslatedMessages>;
+  };
 };
 
 export type CallSound = (
@@ -1370,6 +1397,12 @@ export interface ActionPayloads {
   disableContextMenuHint: WithTabId | undefined;
   focusNextReply: WithTabId | undefined;
 
+  openMessageLanguageModal: {
+    chatId: string;
+    id: number;
+  } & WithTabId;
+  closeMessageLanguageModal: WithTabId | undefined;
+
   // poll result
   openPollResults: {
     chatId: string;
@@ -1665,6 +1698,23 @@ export interface ActionPayloads {
     ids: number[];
   };
 
+  requestMessageTranslation: {
+    chatId: string;
+    id: number;
+    toLanguageCode?: string;
+  } & WithTabId;
+
+  showOriginalMessage: {
+    chatId: string;
+    id: number;
+  } & WithTabId;
+
+  translateMessages: {
+    chatId: string;
+    messageIds: number[];
+    toLanguageCode?: string;
+  };
+
   // Reactions
   loadAvailableReactions: undefined;
 
diff --git a/src/hooks/useTextLanguage.ts b/src/hooks/useTextLanguage.ts
new file mode 100644
index 000000000..7609589fe
--- /dev/null
+++ b/src/hooks/useTextLanguage.ts
@@ -0,0 +1,7 @@
+import { detectLanguage } from '../util/languageDetection';
+import useAsync from './useAsync';
+
+export default function useTextLanguage(text?: string) {
+  const language = useAsync(() => (text ? detectLanguage(text) : Promise.resolve(undefined)), [text], undefined);
+  return language;
+}
diff --git a/src/lib/fasttextweb/fasttext-wasm.js b/src/lib/fasttextweb/fasttext-wasm.js
new file mode 100644
index 000000000..6341d22a0
--- /dev/null
+++ b/src/lib/fasttextweb/fasttext-wasm.js
@@ -0,0 +1,20 @@
+
+var fasttextmodule = (() => {
+  var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
+  if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename;
+  return (
+function(fasttextmodule = {})  {
+
+var Module=typeof fasttextmodule!="undefined"?fasttextmodule:{};var readyPromiseResolve,readyPromiseReject;Module["ready"]=new Promise(function(resolve,reject){readyPromiseResolve=resolve;readyPromiseReject=reject});var moduleOverrides=Object.assign({},Module);var arguments_=[];var thisProgram="./this.program";var quit_=(status,toThrow)=>{throw toThrow};var ENVIRONMENT_IS_WEB=typeof window=="object";var ENVIRONMENT_IS_WORKER=typeof importScripts=="function";var ENVIRONMENT_IS_NODE=typeof process=="object"&&typeof process.versions=="object"&&typeof process.versions.node=="string";var scriptDirectory="";function locateFile(path){if(Module["locateFile"]){return Module["locateFile"](path,scriptDirectory)}return scriptDirectory+path}var read_,readAsync,readBinary,setWindowTitle;function logExceptionOnExit(e){if(e instanceof ExitStatus)return;let toLog=e;err("exiting due to exception: "+toLog)}if(ENVIRONMENT_IS_NODE){var fs=require("fs");var nodePath=require("path");if(ENVIRONMENT_IS_WORKER){scriptDirectory=nodePath.dirname(scriptDirectory)+"/"}else{scriptDirectory=__dirname+"/"}read_=(filename,binary)=>{filename=isFileURI(filename)?new URL(filename):nodePath.normalize(filename);return fs.readFileSync(filename,binary?undefined:"utf8")};readBinary=filename=>{var ret=read_(filename,true);if(!ret.buffer){ret=new Uint8Array(ret)}return ret};readAsync=(filename,onload,onerror)=>{filename=isFileURI(filename)?new URL(filename):nodePath.normalize(filename);fs.readFile(filename,function(err,data){if(err)onerror(err);else onload(data.buffer)})};if(process["argv"].length>1){thisProgram=process["argv"][1].replace(/\\/g,"/")}arguments_=process["argv"].slice(2);process["on"]("uncaughtException",function(ex){if(!(ex instanceof ExitStatus)){throw ex}});var nodeMajor=process.version.match(/^v(\d+)\./)[1];if(nodeMajor<15){process["on"]("unhandledRejection",function(reason){throw reason})}quit_=(status,toThrow)=>{if(keepRuntimeAlive()){process["exitCode"]=status;throw toThrow}logExceptionOnExit(toThrow);process["exit"](status)};Module["inspect"]=function(){return"[Emscripten Module object]"}}else if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){if(ENVIRONMENT_IS_WORKER){scriptDirectory=self.location.href}else if(typeof document!="undefined"&&document.currentScript){scriptDirectory=document.currentScript.src}if(_scriptDir){scriptDirectory=_scriptDir}if(scriptDirectory.indexOf("blob:")!==0){scriptDirectory=scriptDirectory.substr(0,scriptDirectory.replace(/[?#].*/,"").lastIndexOf("/")+1)}else{scriptDirectory=""}{read_=url=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.send(null);return xhr.responseText};if(ENVIRONMENT_IS_WORKER){readBinary=url=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.responseType="arraybuffer";xhr.send(null);return new Uint8Array(xhr.response)}}readAsync=(url,onload,onerror)=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,true);xhr.responseType="arraybuffer";xhr.onload=()=>{if(xhr.status==200||xhr.status==0&&xhr.response){onload(xhr.response);return}onerror()};xhr.onerror=onerror;xhr.send(null)}}setWindowTitle=title=>document.title=title}else{}var out=Module["print"]||console.log.bind(console);var err=Module["printErr"]||console.warn.bind(console);Object.assign(Module,moduleOverrides);moduleOverrides=null;if(Module["arguments"])arguments_=Module["arguments"];if(Module["thisProgram"])thisProgram=Module["thisProgram"];if(Module["quit"])quit_=Module["quit"];var wasmBinary;if(Module["wasmBinary"])wasmBinary=Module["wasmBinary"];var noExitRuntime=Module["noExitRuntime"]||true;if(typeof WebAssembly!="object"){abort("no native wasm support detected")}var wasmMemory;var ABORT=false;var EXITSTATUS;function assert(condition,text){if(!condition){abort(text)}}var UTF8Decoder=typeof TextDecoder!="undefined"?new TextDecoder("utf8"):undefined;function UTF8ArrayToString(heapOrArray,idx,maxBytesToRead){var endIdx=idx+maxBytesToRead;var endPtr=idx;while(heapOrArray[endPtr]&&!(endPtr>=endIdx))++endPtr;if(endPtr-idx>16&&heapOrArray.buffer&&UTF8Decoder){return UTF8Decoder.decode(heapOrArray.subarray(idx,endPtr))}var str="";while(idx<endPtr){var u0=heapOrArray[idx++];if(!(u0&128)){str+=String.fromCharCode(u0);continue}var u1=heapOrArray[idx++]&63;if((u0&224)==192){str+=String.fromCharCode((u0&31)<<6|u1);continue}var u2=heapOrArray[idx++]&63;if((u0&240)==224){u0=(u0&15)<<12|u1<<6|u2}else{u0=(u0&7)<<18|u1<<12|u2<<6|heapOrArray[idx++]&63}if(u0<65536){str+=String.fromCharCode(u0)}else{var ch=u0-65536;str+=String.fromCharCode(55296|ch>>10,56320|ch&1023)}}return str}function UTF8ToString(ptr,maxBytesToRead){return ptr?UTF8ArrayToString(HEAPU8,ptr,maxBytesToRead):""}function stringToUTF8Array(str,heap,outIdx,maxBytesToWrite){if(!(maxBytesToWrite>0))return 0;var startIdx=outIdx;var endIdx=outIdx+maxBytesToWrite-1;for(var i=0;i<str.length;++i){var u=str.charCodeAt(i);if(u>=55296&&u<=57343){var u1=str.charCodeAt(++i);u=65536+((u&1023)<<10)|u1&1023}if(u<=127){if(outIdx>=endIdx)break;heap[outIdx++]=u}else if(u<=2047){if(outIdx+1>=endIdx)break;heap[outIdx++]=192|u>>6;heap[outIdx++]=128|u&63}else if(u<=65535){if(outIdx+2>=endIdx)break;heap[outIdx++]=224|u>>12;heap[outIdx++]=128|u>>6&63;heap[outIdx++]=128|u&63}else{if(outIdx+3>=endIdx)break;heap[outIdx++]=240|u>>18;heap[outIdx++]=128|u>>12&63;heap[outIdx++]=128|u>>6&63;heap[outIdx++]=128|u&63}}heap[outIdx]=0;return outIdx-startIdx}function stringToUTF8(str,outPtr,maxBytesToWrite){return stringToUTF8Array(str,HEAPU8,outPtr,maxBytesToWrite)}function lengthBytesUTF8(str){var len=0;for(var i=0;i<str.length;++i){var c=str.charCodeAt(i);if(c<=127){len++}else if(c<=2047){len+=2}else if(c>=55296&&c<=57343){len+=4;++i}else{len+=3}}return len}var HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAPF64;function updateMemoryViews(){var b=wasmMemory.buffer;Module["HEAP8"]=HEAP8=new Int8Array(b);Module["HEAP16"]=HEAP16=new Int16Array(b);Module["HEAP32"]=HEAP32=new Int32Array(b);Module["HEAPU8"]=HEAPU8=new Uint8Array(b);Module["HEAPU16"]=HEAPU16=new Uint16Array(b);Module["HEAPU32"]=HEAPU32=new Uint32Array(b);Module["HEAPF32"]=HEAPF32=new Float32Array(b);Module["HEAPF64"]=HEAPF64=new Float64Array(b)}var wasmTable;var __ATPRERUN__=[];var __ATINIT__=[];var __ATMAIN__=[];var __ATPOSTRUN__=[];var runtimeInitialized=false;function keepRuntimeAlive(){return noExitRuntime}function preRun(){if(Module["preRun"]){if(typeof Module["preRun"]=="function")Module["preRun"]=[Module["preRun"]];while(Module["preRun"].length){addOnPreRun(Module["preRun"].shift())}}callRuntimeCallbacks(__ATPRERUN__)}function initRuntime(){runtimeInitialized=true;if(!Module["noFSInit"]&&!FS.init.initialized)FS.init();FS.ignorePermissions=false;TTY.init();callRuntimeCallbacks(__ATINIT__)}function preMain(){callRuntimeCallbacks(__ATMAIN__)}function postRun(){if(Module["postRun"]){if(typeof Module["postRun"]=="function")Module["postRun"]=[Module["postRun"]];while(Module["postRun"].length){addOnPostRun(Module["postRun"].shift())}}callRuntimeCallbacks(__ATPOSTRUN__)}function addOnPreRun(cb){__ATPRERUN__.unshift(cb)}function addOnInit(cb){__ATINIT__.unshift(cb)}function addOnPostRun(cb){__ATPOSTRUN__.unshift(cb)}var runDependencies=0;var runDependencyWatcher=null;var dependenciesFulfilled=null;function getUniqueRunDependency(id){return id}function addRunDependency(id){runDependencies++;if(Module["monitorRunDependencies"]){Module["monitorRunDependencies"](runDependencies)}}function removeRunDependency(id){runDependencies--;if(Module["monitorRunDependencies"]){Module["monitorRunDependencies"](runDependencies)}if(runDependencies==0){if(runDependencyWatcher!==null){clearInterval(runDependencyWatcher);runDependencyWatcher=null}if(dependenciesFulfilled){var callback=dependenciesFulfilled;dependenciesFulfilled=null;callback()}}}function abort(what){if(Module["onAbort"]){Module["onAbort"](what)}what="Aborted("+what+")";err(what);ABORT=true;EXITSTATUS=1;what+=". Build with -sASSERTIONS for more info.";var e=new WebAssembly.RuntimeError(what);readyPromiseReject(e);throw e}var dataURIPrefix="data:application/octet-stream;base64,";function isDataURI(filename){return filename.startsWith(dataURIPrefix)}function isFileURI(filename){return filename.startsWith("file://")}var wasmBinaryFile;wasmBinaryFile="fasttext-wasm.wasm";if(!isDataURI(wasmBinaryFile)){wasmBinaryFile=locateFile(wasmBinaryFile)}function getBinary(file){try{if(file==wasmBinaryFile&&wasmBinary){return new Uint8Array(wasmBinary)}if(readBinary){return readBinary(file)}throw"both async and sync fetching of the wasm failed"}catch(err){abort(err)}}function getBinaryPromise(){if(!wasmBinary&&(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER)){if(typeof fetch=="function"&&!isFileURI(wasmBinaryFile)){return fetch(wasmBinaryFile,{credentials:"same-origin"}).then(function(response){if(!response["ok"]){throw"failed to load wasm binary file at '"+wasmBinaryFile+"'"}return 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instance}).then(receiver,function(reason){err("failed to asynchronously prepare wasm: "+reason);abort(reason)})}function instantiateAsync(){if(!wasmBinary&&typeof WebAssembly.instantiateStreaming=="function"&&!isDataURI(wasmBinaryFile)&&!isFileURI(wasmBinaryFile)&&!ENVIRONMENT_IS_NODE&&typeof fetch=="function"){return fetch(wasmBinaryFile,{credentials:"same-origin"}).then(function(response){var result=WebAssembly.instantiateStreaming(response,info);return result.then(receiveInstantiationResult,function(reason){err("wasm streaming compile failed: "+reason);err("falling back to ArrayBuffer instantiation");return instantiateArrayBuffer(receiveInstantiationResult)})})}else{return instantiateArrayBuffer(receiveInstantiationResult)}}if(Module["instantiateWasm"]){try{var exports=Module["instantiateWasm"](info,receiveInstance);return exports}catch(e){err("Module.instantiateWasm callback failed with error: "+e);readyPromiseReject(e)}}instantiateAsync().catch(readyPromiseReject);return{}}var tempDouble;var tempI64;var ASM_CONSTS={963844:()=>{FS.mount(NODEFS,{root:"."},".")}};function ExitStatus(status){this.name="ExitStatus";this.message="Program terminated with exit("+status+")";this.status=status}function callRuntimeCallbacks(callbacks){while(callbacks.length>0){callbacks.shift()(Module)}}function ___assert_fail(condition,filename,line,func){abort("Assertion failed: "+UTF8ToString(condition)+", at: "+[filename?UTF8ToString(filename):"unknown filename",line,func?UTF8ToString(func):"unknown function"])}function ExceptionInfo(excPtr){this.excPtr=excPtr;this.ptr=excPtr-24;this.set_type=function(type){HEAPU32[this.ptr+4>>2]=type};this.get_type=function(){return HEAPU32[this.ptr+4>>2]};this.set_destructor=function(destructor){HEAPU32[this.ptr+8>>2]=destructor};this.get_destructor=function(){return HEAPU32[this.ptr+8>>2]};this.set_refcount=function(refcount){HEAP32[this.ptr>>2]=refcount};this.set_caught=function(caught){caught=caught?1:0;HEAP8[this.ptr+12>>0]=caught};this.get_caught=function(){return HEAP8[this.ptr+12>>0]!=0};this.set_rethrown=function(rethrown){rethrown=rethrown?1:0;HEAP8[this.ptr+13>>0]=rethrown};this.get_rethrown=function(){return HEAP8[this.ptr+13>>0]!=0};this.init=function(type,destructor){this.set_adjusted_ptr(0);this.set_type(type);this.set_destructor(destructor);this.set_refcount(0);this.set_caught(false);this.set_rethrown(false)};this.add_ref=function(){var value=HEAP32[this.ptr>>2];HEAP32[this.ptr>>2]=value+1};this.release_ref=function(){var prev=HEAP32[this.ptr>>2];HEAP32[this.ptr>>2]=prev-1;return prev===1};this.set_adjusted_ptr=function(adjustedPtr){HEAPU32[this.ptr+16>>2]=adjustedPtr};this.get_adjusted_ptr=function(){return HEAPU32[this.ptr+16>>2]};this.get_exception_ptr=function(){var isPointer=___cxa_is_pointer_type(this.get_type());if(isPointer){return HEAPU32[this.excPtr>>2]}var adjusted=this.get_adjusted_ptr();if(adjusted!==0)return adjusted;return this.excPtr}}var exceptionLast=0;var uncaughtExceptionCount=0;function ___cxa_throw(ptr,type,destructor){var info=new ExceptionInfo(ptr);info.init(type,destructor);exceptionLast=ptr;uncaughtExceptionCount++;throw ptr}function setErrNo(value){HEAP32[___errno_location()>>2]=value;return value}var PATH={isAbs:path=>path.charAt(0)==="/",splitPath:filename=>{var splitPathRe=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;return splitPathRe.exec(filename).slice(1)},normalizeArray:(parts,allowAboveRoot)=>{var up=0;for(var i=parts.length-1;i>=0;i--){var last=parts[i];if(last==="."){parts.splice(i,1)}else if(last===".."){parts.splice(i,1);up++}else if(up){parts.splice(i,1);up--}}if(allowAboveRoot){for(;up;up--){parts.unshift("..")}}return parts},normalize:path=>{var isAbsolute=PATH.isAbs(path),trailingSlash=path.substr(-1)==="/";path=PATH.normalizeArray(path.split("/").filter(p=>!!p),!isAbsolute).join("/");if(!path&&!isAbsolute){path="."}if(path&&trailingSlash){path+="/"}return(isAbsolute?"/":"")+path},dirname:path=>{var result=PATH.splitPath(path),root=result[0],dir=result[1];if(!root&&!dir){return"."}if(dir){dir=dir.substr(0,dir.length-1)}return root+dir},basename:path=>{if(path==="/")return"/";path=PATH.normalize(path);path=path.replace(/\/$/,"");var lastSlash=path.lastIndexOf("/");if(lastSlash===-1)return path;return path.substr(lastSlash+1)},join:function(){var paths=Array.prototype.slice.call(arguments);return PATH.normalize(paths.join("/"))},join2:(l,r)=>{return PATH.normalize(l+"/"+r)}};function getRandomDevice(){if(typeof crypto=="object"&&typeof crypto["getRandomValues"]=="function"){var randomBuffer=new Uint8Array(1);return()=>{crypto.getRandomValues(randomBuffer);return randomBuffer[0]}}else if(ENVIRONMENT_IS_NODE){try{var crypto_module=require("crypto");return()=>crypto_module["randomBytes"](1)[0]}catch(e){}}return()=>abort("randomDevice")}var PATH_FS={resolve:function(){var resolvedPath="",resolvedAbsolute=false;for(var i=arguments.length-1;i>=-1&&!resolvedAbsolute;i--){var path=i>=0?arguments[i]:FS.cwd();if(typeof path!="string"){throw new TypeError("Arguments to path.resolve must be strings")}else if(!path){return""}resolvedPath=path+"/"+resolvedPath;resolvedAbsolute=PATH.isAbs(path)}resolvedPath=PATH.normalizeArray(resolvedPath.split("/").filter(p=>!!p),!resolvedAbsolute).join("/");return(resolvedAbsolute?"/":"")+resolvedPath||"."},relative:(from,to)=>{from=PATH_FS.resolve(from).substr(1);to=PATH_FS.resolve(to).substr(1);function trim(arr){var start=0;for(;start<arr.length;start++){if(arr[start]!=="")break}var end=arr.length-1;for(;end>=0;end--){if(arr[end]!=="")break}if(start>end)return[];return arr.slice(start,end-start+1)}var fromParts=trim(from.split("/"));var toParts=trim(to.split("/"));var length=Math.min(fromParts.length,toParts.length);var samePartsLength=length;for(var i=0;i<length;i++){if(fromParts[i]!==toParts[i]){samePartsLength=i;break}}var outputParts=[];for(var i=samePartsLength;i<fromParts.length;i++){outputParts.push("..")}outputParts=outputParts.concat(toParts.slice(samePartsLength));return outputParts.join("/")}};function intArrayFromString(stringy,dontAddNull,length){var len=length>0?length:lengthBytesUTF8(stringy)+1;var u8array=new Array(len);var numBytesWritten=stringToUTF8Array(stringy,u8array,0,u8array.length);if(dontAddNull)u8array.length=numBytesWritten;return u8array}var TTY={ttys:[],init:function(){},shutdown:function(){},register:function(dev,ops){TTY.ttys[dev]={input:[],output:[],ops:ops};FS.registerDevice(dev,TTY.stream_ops)},stream_ops:{open:function(stream){var tty=TTY.ttys[stream.node.rdev];if(!tty){throw new FS.ErrnoError(43)}stream.tty=tty;stream.seekable=false},close:function(stream){stream.tty.ops.fsync(stream.tty)},fsync:function(stream){stream.tty.ops.fsync(stream.tty)},read:function(stream,buffer,offset,length,pos){if(!stream.tty||!stream.tty.ops.get_char){throw new FS.ErrnoError(60)}var bytesRead=0;for(var i=0;i<length;i++){var result;try{result=stream.tty.ops.get_char(stream.tty)}catch(e){throw new FS.ErrnoError(29)}if(result===undefined&&bytesRead===0){throw new FS.ErrnoError(6)}if(result===null||result===undefined)break;bytesRead++;buffer[offset+i]=result}if(bytesRead){stream.node.timestamp=Date.now()}return bytesRead},write:function(stream,buffer,offset,length,pos){if(!stream.tty||!stream.tty.ops.put_char){throw new FS.ErrnoError(60)}try{for(var i=0;i<length;i++){stream.tty.ops.put_char(stream.tty,buffer[offset+i])}}catch(e){throw new FS.ErrnoError(29)}if(length){stream.node.timestamp=Date.now()}return i}},default_tty_ops:{get_char:function(tty){if(!tty.input.length){var result=null;if(ENVIRONMENT_IS_NODE){var BUFSIZE=256;var buf=Buffer.alloc(BUFSIZE);var bytesRead=0;try{bytesRead=fs.readSync(process.stdin.fd,buf,0,BUFSIZE,-1)}catch(e){if(e.toString().includes("EOF"))bytesRead=0;else throw e}if(bytesRead>0){result=buf.slice(0,bytesRead).toString("utf-8")}else{result=null}}else if(typeof window!="undefined"&&typeof window.prompt=="function"){result=window.prompt("Input: ");if(result!==null){result+="\n"}}else if(typeof readline=="function"){result=readline();if(result!==null){result+="\n"}}if(!result){return null}tty.input=intArrayFromString(result,true)}return tty.input.shift()},put_char:function(tty,val){if(val===null||val===10){out(UTF8ArrayToString(tty.output,0));tty.output=[]}else{if(val!=0)tty.output.push(val)}},fsync:function(tty){if(tty.output&&tty.output.length>0){out(UTF8ArrayToString(tty.output,0));tty.output=[]}}},default_tty1_ops:{put_char:function(tty,val){if(val===null||val===10){err(UTF8ArrayToString(tty.output,0));tty.output=[]}else{if(val!=0)tty.output.push(val)}},fsync:function(tty){if(tty.output&&tty.output.length>0){err(UTF8ArrayToString(tty.output,0));tty.output=[]}}}};function mmapAlloc(size){abort()}var MEMFS={ops_table:null,mount:function(mount){return MEMFS.createNode(null,"/",16384|511,0)},createNode:function(parent,name,mode,dev){if(FS.isBlkdev(mode)||FS.isFIFO(mode)){throw new FS.ErrnoError(63)}if(!MEMFS.ops_table){MEMFS.ops_table={dir:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr,lookup:MEMFS.node_ops.lookup,mknod:MEMFS.node_ops.mknod,rename:MEMFS.node_ops.rename,unlink:MEMFS.node_ops.unlink,rmdir:MEMFS.node_ops.rmdir,readdir:MEMFS.node_ops.readdir,symlink:MEMFS.node_ops.symlink},stream:{llseek:MEMFS.stream_ops.llseek}},file:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr},stream:{llseek:MEMFS.stream_ops.llseek,read:MEMFS.stream_ops.read,write:MEMFS.stream_ops.write,allocate:MEMFS.stream_ops.allocate,mmap:MEMFS.stream_ops.mmap,msync:MEMFS.stream_ops.msync}},link:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr,readlink:MEMFS.node_ops.readlink},stream:{}},chrdev:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr},stream:FS.chrdev_stream_ops}}}var node=FS.createNode(parent,name,mode,dev);if(FS.isDir(node.mode)){node.node_ops=MEMFS.ops_table.dir.node;node.stream_ops=MEMFS.ops_table.dir.stream;node.contents={}}else if(FS.isFile(node.mode)){node.node_ops=MEMFS.ops_table.file.node;node.stream_ops=MEMFS.ops_table.file.stream;node.usedBytes=0;node.contents=null}else if(FS.isLink(node.mode)){node.node_ops=MEMFS.ops_table.link.node;node.stream_ops=MEMFS.ops_table.link.stream}else if(FS.isChrdev(node.mode)){node.node_ops=MEMFS.ops_table.chrdev.node;node.stream_ops=MEMFS.ops_table.chrdev.stream}node.timestamp=Date.now();if(parent){parent.contents[name]=node;parent.timestamp=node.timestamp}return node},getFileDataAsTypedArray:function(node){if(!node.contents)return new Uint8Array(0);if(node.contents.subarray)return node.contents.subarray(0,node.usedBytes);return new Uint8Array(node.contents)},expandFileStorage:function(node,newCapacity){var prevCapacity=node.contents?node.contents.length:0;if(prevCapacity>=newCapacity)return;var CAPACITY_DOUBLING_MAX=1024*1024;newCapacity=Math.max(newCapacity,prevCapacity*(prevCapacity<CAPACITY_DOUBLING_MAX?2:1.125)>>>0);if(prevCapacity!=0)newCapacity=Math.max(newCapacity,256);var oldContents=node.contents;node.contents=new Uint8Array(newCapacity);if(node.usedBytes>0)node.contents.set(oldContents.subarray(0,node.usedBytes),0)},resizeFileStorage:function(node,newSize){if(node.usedBytes==newSize)return;if(newSize==0){node.contents=null;node.usedBytes=0}else{var oldContents=node.contents;node.contents=new Uint8Array(newSize);if(oldContents){node.contents.set(oldContents.subarray(0,Math.min(newSize,node.usedBytes)))}node.usedBytes=newSize}},node_ops:{getattr:function(node){var attr={};attr.dev=FS.isChrdev(node.mode)?node.id:1;attr.ino=node.id;attr.mode=node.mode;attr.nlink=1;attr.uid=0;attr.gid=0;attr.rdev=node.rdev;if(FS.isDir(node.mode)){attr.size=4096}else if(FS.isFile(node.mode)){attr.size=node.usedBytes}else if(FS.isLink(node.mode)){attr.size=node.link.length}else{attr.size=0}attr.atime=new Date(node.timestamp);attr.mtime=new Date(node.timestamp);attr.ctime=new Date(node.timestamp);attr.blksize=4096;attr.blocks=Math.ceil(attr.size/attr.blksize);return attr},setattr:function(node,attr){if(attr.mode!==undefined){node.mode=attr.mode}if(attr.timestamp!==undefined){node.timestamp=attr.timestamp}if(attr.size!==undefined){MEMFS.resizeFileStorage(node,attr.size)}},lookup:function(parent,name){throw FS.genericErrors[44]},mknod:function(parent,name,mode,dev){return MEMFS.createNode(parent,name,mode,dev)},rename:function(old_node,new_dir,new_name){if(FS.isDir(old_node.mode)){var new_node;try{new_node=FS.lookupNode(new_dir,new_name)}catch(e){}if(new_node){for(var i in new_node.contents){throw new FS.ErrnoError(55)}}}delete old_node.parent.contents[old_node.name];old_node.parent.timestamp=Date.now();old_node.name=new_name;new_dir.contents[new_name]=old_node;new_dir.timestamp=old_node.parent.timestamp;old_node.parent=new_dir},unlink:function(parent,name){delete parent.contents[name];parent.timestamp=Date.now()},rmdir:function(parent,name){var node=FS.lookupNode(parent,name);for(var i in node.contents){throw new FS.ErrnoError(55)}delete parent.contents[name];parent.timestamp=Date.now()},readdir:function(node){var entries=[".",".."];for(var key in node.contents){if(!node.contents.hasOwnProperty(key)){continue}entries.push(key)}return entries},symlink:function(parent,newname,oldpath){var node=MEMFS.createNode(parent,newname,511|40960,0);node.link=oldpath;return node},readlink:function(node){if(!FS.isLink(node.mode)){throw new FS.ErrnoError(28)}return node.link}},stream_ops:{read:function(stream,buffer,offset,length,position){var contents=stream.node.contents;if(position>=stream.node.usedBytes)return 0;var size=Math.min(stream.node.usedBytes-position,length);if(size>8&&contents.subarray){buffer.set(contents.subarray(position,position+size),offset)}else{for(var i=0;i<size;i++)buffer[offset+i]=contents[position+i]}return size},write:function(stream,buffer,offset,length,position,canOwn){if(!length)return 0;var node=stream.node;node.timestamp=Date.now();if(buffer.subarray&&(!node.contents||node.contents.subarray)){if(canOwn){node.contents=buffer.subarray(offset,offset+length);node.usedBytes=length;return length}else if(node.usedBytes===0&&position===0){node.contents=buffer.slice(offset,offset+length);node.usedBytes=length;return length}else if(position+length<=node.usedBytes){node.contents.set(buffer.subarray(offset,offset+length),position);return length}}MEMFS.expandFileStorage(node,position+length);if(node.contents.subarray&&buffer.subarray){node.contents.set(buffer.subarray(offset,offset+length),position)}else{for(var i=0;i<length;i++){node.contents[position+i]=buffer[offset+i]}}node.usedBytes=Math.max(node.usedBytes,position+length);return length},llseek:function(stream,offset,whence){var position=offset;if(whence===1){position+=stream.position}else if(whence===2){if(FS.isFile(stream.node.mode)){position+=stream.node.usedBytes}}if(position<0){throw new FS.ErrnoError(28)}return position},allocate:function(stream,offset,length){MEMFS.expandFileStorage(stream.node,offset+length);stream.node.usedBytes=Math.max(stream.node.usedBytes,offset+length)},mmap:function(stream,length,position,prot,flags){if(!FS.isFile(stream.node.mode)){throw new FS.ErrnoError(43)}var ptr;var allocated;var contents=stream.node.contents;if(!(flags&2)&&contents.buffer===HEAP8.buffer){allocated=false;ptr=contents.byteOffset}else{if(position>0||position+length<contents.length){if(contents.subarray){contents=contents.subarray(position,position+length)}else{contents=Array.prototype.slice.call(contents,position,position+length)}}allocated=true;ptr=mmapAlloc(length);if(!ptr){throw new FS.ErrnoError(48)}HEAP8.set(contents,ptr)}return{ptr:ptr,allocated:allocated}},msync:function(stream,buffer,offset,length,mmapFlags){MEMFS.stream_ops.write(stream,buffer,0,length,offset,false);return 0}}};function asyncLoad(url,onload,onerror,noRunDep){var dep=!noRunDep?getUniqueRunDependency("al "+url):"";readAsync(url,arrayBuffer=>{assert(arrayBuffer,'Loading data file "'+url+'" failed (no arrayBuffer).');onload(new Uint8Array(arrayBuffer));if(dep)removeRunDependency(dep)},event=>{if(onerror){onerror()}else{throw'Loading data file "'+url+'" failed.'}});if(dep)addRunDependency(dep)}var FS={root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,ErrnoError:null,genericErrors:{},filesystems:null,syncFSRequests:0,lookupPath:(path,opts={})=>{path=PATH_FS.resolve(path);if(!path)return{path:"",node:null};var defaults={follow_mount:true,recurse_count:0};opts=Object.assign(defaults,opts);if(opts.recurse_count>8){throw new FS.ErrnoError(32)}var parts=path.split("/").filter(p=>!!p);var current=FS.root;var current_path="/";for(var i=0;i<parts.length;i++){var islast=i===parts.length-1;if(islast&&opts.parent){break}current=FS.lookupNode(current,parts[i]);current_path=PATH.join2(current_path,parts[i]);if(FS.isMountpoint(current)){if(!islast||islast&&opts.follow_mount){current=current.mounted.root}}if(!islast||opts.follow){var count=0;while(FS.isLink(current.mode)){var link=FS.readlink(current_path);current_path=PATH_FS.resolve(PATH.dirname(current_path),link);var lookup=FS.lookupPath(current_path,{recurse_count:opts.recurse_count+1});current=lookup.node;if(count++>40){throw new FS.ErrnoError(32)}}}}return{path:current_path,node:current}},getPath:node=>{var path;while(true){if(FS.isRoot(node)){var mount=node.mount.mountpoint;if(!path)return mount;return mount[mount.length-1]!=="/"?mount+"/"+path:mount+path}path=path?node.name+"/"+path:node.name;node=node.parent}},hashName:(parentid,name)=>{var hash=0;for(var i=0;i<name.length;i++){hash=(hash<<5)-hash+name.charCodeAt(i)|0}return(parentid+hash>>>0)%FS.nameTable.length},hashAddNode:node=>{var hash=FS.hashName(node.parent.id,node.name);node.name_next=FS.nameTable[hash];FS.nameTable[hash]=node},hashRemoveNode:node=>{var hash=FS.hashName(node.parent.id,node.name);if(FS.nameTable[hash]===node){FS.nameTable[hash]=node.name_next}else{var current=FS.nameTable[hash];while(current){if(current.name_next===node){current.name_next=node.name_next;break}current=current.name_next}}},lookupNode:(parent,name)=>{var errCode=FS.mayLookup(parent);if(errCode){throw new FS.ErrnoError(errCode,parent)}var hash=FS.hashName(parent.id,name);for(var node=FS.nameTable[hash];node;node=node.name_next){var nodeName=node.name;if(node.parent.id===parent.id&&nodeName===name){return node}}return FS.lookup(parent,name)},createNode:(parent,name,mode,rdev)=>{var node=new FS.FSNode(parent,name,mode,rdev);FS.hashAddNode(node);return node},destroyNode:node=>{FS.hashRemoveNode(node)},isRoot:node=>{return node===node.parent},isMountpoint:node=>{return!!node.mounted},isFile:mode=>{return(mode&61440)===32768},isDir:mode=>{return(mode&61440)===16384},isLink:mode=>{return(mode&61440)===40960},isChrdev:mode=>{return(mode&61440)===8192},isBlkdev:mode=>{return(mode&61440)===24576},isFIFO:mode=>{return(mode&61440)===4096},isSocket:mode=>{return(mode&49152)===49152},flagModes:{"r":0,"r+":2,"w":577,"w+":578,"a":1089,"a+":1090},modeStringToFlags:str=>{var flags=FS.flagModes[str];if(typeof flags=="undefined"){throw new Error("Unknown file open mode: "+str)}return flags},flagsToPermissionString:flag=>{var perms=["r","w","rw"][flag&3];if(flag&512){perms+="w"}return perms},nodePermissions:(node,perms)=>{if(FS.ignorePermissions){return 0}if(perms.includes("r")&&!(node.mode&292)){return 2}else if(perms.includes("w")&&!(node.mode&146)){return 2}else if(perms.includes("x")&&!(node.mode&73)){return 2}return 0},mayLookup:dir=>{var errCode=FS.nodePermissions(dir,"x");if(errCode)return errCode;if(!dir.node_ops.lookup)return 2;return 0},mayCreate:(dir,name)=>{try{var node=FS.lookupNode(dir,name);return 20}catch(e){}return FS.nodePermissions(dir,"wx")},mayDelete:(dir,name,isdir)=>{var node;try{node=FS.lookupNode(dir,name)}catch(e){return e.errno}var errCode=FS.nodePermissions(dir,"wx");if(errCode){return errCode}if(isdir){if(!FS.isDir(node.mode)){return 54}if(FS.isRoot(node)||FS.getPath(node)===FS.cwd()){return 10}}else{if(FS.isDir(node.mode)){return 31}}return 0},mayOpen:(node,flags)=>{if(!node){return 44}if(FS.isLink(node.mode)){return 32}else if(FS.isDir(node.mode)){if(FS.flagsToPermissionString(flags)!=="r"||flags&512){return 31}}return FS.nodePermissions(node,FS.flagsToPermissionString(flags))},MAX_OPEN_FDS:4096,nextfd:(fd_start=0,fd_end=FS.MAX_OPEN_FDS)=>{for(var fd=fd_start;fd<=fd_end;fd++){if(!FS.streams[fd]){return fd}}throw new FS.ErrnoError(33)},getStream:fd=>FS.streams[fd],createStream:(stream,fd_start,fd_end)=>{if(!FS.FSStream){FS.FSStream=function(){this.shared={}};FS.FSStream.prototype={};Object.defineProperties(FS.FSStream.prototype,{object:{get:function(){return this.node},set:function(val){this.node=val}},isRead:{get:function(){return(this.flags&2097155)!==1}},isWrite:{get:function(){return(this.flags&2097155)!==0}},isAppend:{get:function(){return this.flags&1024}},flags:{get:function(){return this.shared.flags},set:function(val){this.shared.flags=val}},position:{get:function(){return this.shared.position},set:function(val){this.shared.position=val}}})}stream=Object.assign(new FS.FSStream,stream);var fd=FS.nextfd(fd_start,fd_end);stream.fd=fd;FS.streams[fd]=stream;return stream},closeStream:fd=>{FS.streams[fd]=null},chrdev_stream_ops:{open:stream=>{var device=FS.getDevice(stream.node.rdev);stream.stream_ops=device.stream_ops;if(stream.stream_ops.open){stream.stream_ops.open(stream)}},llseek:()=>{throw new FS.ErrnoError(70)}},major:dev=>dev>>8,minor:dev=>dev&255,makedev:(ma,mi)=>ma<<8|mi,registerDevice:(dev,ops)=>{FS.devices[dev]={stream_ops:ops}},getDevice:dev=>FS.devices[dev],getMounts:mount=>{var mounts=[];var check=[mount];while(check.length){var m=check.pop();mounts.push(m);check.push.apply(check,m.mounts)}return mounts},syncfs:(populate,callback)=>{if(typeof populate=="function"){callback=populate;populate=false}FS.syncFSRequests++;if(FS.syncFSRequests>1){err("warning: "+FS.syncFSRequests+" FS.syncfs operations in flight at once, probably just doing extra work")}var mounts=FS.getMounts(FS.root.mount);var completed=0;function doCallback(errCode){FS.syncFSRequests--;return callback(errCode)}function done(errCode){if(errCode){if(!done.errored){done.errored=true;return doCallback(errCode)}return}if(++completed>=mounts.length){doCallback(null)}}mounts.forEach(mount=>{if(!mount.type.syncfs){return done(null)}mount.type.syncfs(mount,populate,done)})},mount:(type,opts,mountpoint)=>{var root=mountpoint==="/";var pseudo=!mountpoint;var node;if(root&&FS.root){throw new FS.ErrnoError(10)}else if(!root&&!pseudo){var lookup=FS.lookupPath(mountpoint,{follow_mount:false});mountpoint=lookup.path;node=lookup.node;if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}if(!FS.isDir(node.mode)){throw new FS.ErrnoError(54)}}var mount={type:type,opts:opts,mountpoint:mountpoint,mounts:[]};var mountRoot=type.mount(mount);mountRoot.mount=mount;mount.root=mountRoot;if(root){FS.root=mountRoot}else if(node){node.mounted=mount;if(node.mount){node.mount.mounts.push(mount)}}return mountRoot},unmount:mountpoint=>{var lookup=FS.lookupPath(mountpoint,{follow_mount:false});if(!FS.isMountpoint(lookup.node)){throw new FS.ErrnoError(28)}var node=lookup.node;var mount=node.mounted;var mounts=FS.getMounts(mount);Object.keys(FS.nameTable).forEach(hash=>{var current=FS.nameTable[hash];while(current){var next=current.name_next;if(mounts.includes(current.mount)){FS.destroyNode(current)}current=next}});node.mounted=null;var idx=node.mount.mounts.indexOf(mount);node.mount.mounts.splice(idx,1)},lookup:(parent,name)=>{return parent.node_ops.lookup(parent,name)},mknod:(path,mode,dev)=>{var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;var name=PATH.basename(path);if(!name||name==="."||name===".."){throw new FS.ErrnoError(28)}var errCode=FS.mayCreate(parent,name);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.mknod){throw new FS.ErrnoError(63)}return parent.node_ops.mknod(parent,name,mode,dev)},create:(path,mode)=>{mode=mode!==undefined?mode:438;mode&=4095;mode|=32768;return FS.mknod(path,mode,0)},mkdir:(path,mode)=>{mode=mode!==undefined?mode:511;mode&=511|512;mode|=16384;return FS.mknod(path,mode,0)},mkdirTree:(path,mode)=>{var dirs=path.split("/");var d="";for(var i=0;i<dirs.length;++i){if(!dirs[i])continue;d+="/"+dirs[i];try{FS.mkdir(d,mode)}catch(e){if(e.errno!=20)throw e}}},mkdev:(path,mode,dev)=>{if(typeof dev=="undefined"){dev=mode;mode=438}mode|=8192;return FS.mknod(path,mode,dev)},symlink:(oldpath,newpath)=>{if(!PATH_FS.resolve(oldpath)){throw new FS.ErrnoError(44)}var lookup=FS.lookupPath(newpath,{parent:true});var parent=lookup.node;if(!parent){throw new FS.ErrnoError(44)}var newname=PATH.basename(newpath);var errCode=FS.mayCreate(parent,newname);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.symlink){throw new FS.ErrnoError(63)}return parent.node_ops.symlink(parent,newname,oldpath)},rename:(old_path,new_path)=>{var old_dirname=PATH.dirname(old_path);var new_dirname=PATH.dirname(new_path);var old_name=PATH.basename(old_path);var new_name=PATH.basename(new_path);var lookup,old_dir,new_dir;lookup=FS.lookupPath(old_path,{parent:true});old_dir=lookup.node;lookup=FS.lookupPath(new_path,{parent:true});new_dir=lookup.node;if(!old_dir||!new_dir)throw new FS.ErrnoError(44);if(old_dir.mount!==new_dir.mount){throw new FS.ErrnoError(75)}var old_node=FS.lookupNode(old_dir,old_name);var relative=PATH_FS.relative(old_path,new_dirname);if(relative.charAt(0)!=="."){throw new FS.ErrnoError(28)}relative=PATH_FS.relative(new_path,old_dirname);if(relative.charAt(0)!=="."){throw new FS.ErrnoError(55)}var new_node;try{new_node=FS.lookupNode(new_dir,new_name)}catch(e){}if(old_node===new_node){return}var isdir=FS.isDir(old_node.mode);var errCode=FS.mayDelete(old_dir,old_name,isdir);if(errCode){throw new FS.ErrnoError(errCode)}errCode=new_node?FS.mayDelete(new_dir,new_name,isdir):FS.mayCreate(new_dir,new_name);if(errCode){throw new FS.ErrnoError(errCode)}if(!old_dir.node_ops.rename){throw new FS.ErrnoError(63)}if(FS.isMountpoint(old_node)||new_node&&FS.isMountpoint(new_node)){throw new FS.ErrnoError(10)}if(new_dir!==old_dir){errCode=FS.nodePermissions(old_dir,"w");if(errCode){throw new FS.ErrnoError(errCode)}}FS.hashRemoveNode(old_node);try{old_dir.node_ops.rename(old_node,new_dir,new_name)}catch(e){throw e}finally{FS.hashAddNode(old_node)}},rmdir:path=>{var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;var name=PATH.basename(path);var node=FS.lookupNode(parent,name);var errCode=FS.mayDelete(parent,name,true);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.rmdir){throw new FS.ErrnoError(63)}if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}parent.node_ops.rmdir(parent,name);FS.destroyNode(node)},readdir:path=>{var lookup=FS.lookupPath(path,{follow:true});var node=lookup.node;if(!node.node_ops.readdir){throw new FS.ErrnoError(54)}return node.node_ops.readdir(node)},unlink:path=>{var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;if(!parent){throw new FS.ErrnoError(44)}var name=PATH.basename(path);var node=FS.lookupNode(parent,name);var errCode=FS.mayDelete(parent,name,false);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.unlink){throw new FS.ErrnoError(63)}if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}parent.node_ops.unlink(parent,name);FS.destroyNode(node)},readlink:path=>{var lookup=FS.lookupPath(path);var link=lookup.node;if(!link){throw new FS.ErrnoError(44)}if(!link.node_ops.readlink){throw new FS.ErrnoError(28)}return PATH_FS.resolve(FS.getPath(link.parent),link.node_ops.readlink(link))},stat:(path,dontFollow)=>{var lookup=FS.lookupPath(path,{follow:!dontFollow});var node=lookup.node;if(!node){throw new FS.ErrnoError(44)}if(!node.node_ops.getattr){throw new FS.ErrnoError(63)}return node.node_ops.getattr(node)},lstat:path=>{return FS.stat(path,true)},chmod:(path,mode,dontFollow)=>{var node;if(typeof path=="string"){var lookup=FS.lookupPath(path,{follow:!dontFollow});node=lookup.node}else{node=path}if(!node.node_ops.setattr){throw new FS.ErrnoError(63)}node.node_ops.setattr(node,{mode:mode&4095|node.mode&~4095,timestamp:Date.now()})},lchmod:(path,mode)=>{FS.chmod(path,mode,true)},fchmod:(fd,mode)=>{var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(8)}FS.chmod(stream.node,mode)},chown:(path,uid,gid,dontFollow)=>{var node;if(typeof path=="string"){var lookup=FS.lookupPath(path,{follow:!dontFollow});node=lookup.node}else{node=path}if(!node.node_ops.setattr){throw new FS.ErrnoError(63)}node.node_ops.setattr(node,{timestamp:Date.now()})},lchown:(path,uid,gid)=>{FS.chown(path,uid,gid,true)},fchown:(fd,uid,gid)=>{var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(8)}FS.chown(stream.node,uid,gid)},truncate:(path,len)=>{if(len<0){throw new FS.ErrnoError(28)}var node;if(typeof path=="string"){var lookup=FS.lookupPath(path,{follow:true});node=lookup.node}else{node=path}if(!node.node_ops.setattr){throw new FS.ErrnoError(63)}if(FS.isDir(node.mode)){throw new FS.ErrnoError(31)}if(!FS.isFile(node.mode)){throw new FS.ErrnoError(28)}var errCode=FS.nodePermissions(node,"w");if(errCode){throw new FS.ErrnoError(errCode)}node.node_ops.setattr(node,{size:len,timestamp:Date.now()})},ftruncate:(fd,len)=>{var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(8)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(28)}FS.truncate(stream.node,len)},utime:(path,atime,mtime)=>{var lookup=FS.lookupPath(path,{follow:true});var node=lookup.node;node.node_ops.setattr(node,{timestamp:Math.max(atime,mtime)})},open:(path,flags,mode)=>{if(path===""){throw new FS.ErrnoError(44)}flags=typeof flags=="string"?FS.modeStringToFlags(flags):flags;mode=typeof mode=="undefined"?438:mode;if(flags&64){mode=mode&4095|32768}else{mode=0}var node;if(typeof path=="object"){node=path}else{path=PATH.normalize(path);try{var lookup=FS.lookupPath(path,{follow:!(flags&131072)});node=lookup.node}catch(e){}}var created=false;if(flags&64){if(node){if(flags&128){throw new FS.ErrnoError(20)}}else{node=FS.mknod(path,mode,0);created=true}}if(!node){throw new FS.ErrnoError(44)}if(FS.isChrdev(node.mode)){flags&=~512}if(flags&65536&&!FS.isDir(node.mode)){throw new FS.ErrnoError(54)}if(!created){var errCode=FS.mayOpen(node,flags);if(errCode){throw new FS.ErrnoError(errCode)}}if(flags&512&&!created){FS.truncate(node,0)}flags&=~(128|512|131072);var stream=FS.createStream({node:node,path:FS.getPath(node),flags:flags,seekable:true,position:0,stream_ops:node.stream_ops,ungotten:[],error:false});if(stream.stream_ops.open){stream.stream_ops.open(stream)}if(Module["logReadFiles"]&&!(flags&1)){if(!FS.readFiles)FS.readFiles={};if(!(path in FS.readFiles)){FS.readFiles[path]=1}}return stream},close:stream=>{if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if(stream.getdents)stream.getdents=null;try{if(stream.stream_ops.close){stream.stream_ops.close(stream)}}catch(e){throw e}finally{FS.closeStream(stream.fd)}stream.fd=null},isClosed:stream=>{return stream.fd===null},llseek:(stream,offset,whence)=>{if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if(!stream.seekable||!stream.stream_ops.llseek){throw new FS.ErrnoError(70)}if(whence!=0&&whence!=1&&whence!=2){throw new FS.ErrnoError(28)}stream.position=stream.stream_ops.llseek(stream,offset,whence);stream.ungotten=[];return stream.position},read:(stream,buffer,offset,length,position)=>{if(length<0||position<0){throw new FS.ErrnoError(28)}if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if((stream.flags&2097155)===1){throw new FS.ErrnoError(8)}if(FS.isDir(stream.node.mode)){throw new FS.ErrnoError(31)}if(!stream.stream_ops.read){throw new FS.ErrnoError(28)}var seeking=typeof position!="undefined";if(!seeking){position=stream.position}else if(!stream.seekable){throw new FS.ErrnoError(70)}var bytesRead=stream.stream_ops.read(stream,buffer,offset,length,position);if(!seeking)stream.position+=bytesRead;return bytesRead},write:(stream,buffer,offset,length,position,canOwn)=>{if(length<0||position<0){throw new FS.ErrnoError(28)}if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(8)}if(FS.isDir(stream.node.mode)){throw new FS.ErrnoError(31)}if(!stream.stream_ops.write){throw new FS.ErrnoError(28)}if(stream.seekable&&stream.flags&1024){FS.llseek(stream,0,2)}var seeking=typeof position!="undefined";if(!seeking){position=stream.position}else if(!stream.seekable){throw new FS.ErrnoError(70)}var bytesWritten=stream.stream_ops.write(stream,buffer,offset,length,position,canOwn);if(!seeking)stream.position+=bytesWritten;return bytesWritten},allocate:(stream,offset,length)=>{if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if(offset<0||length<=0){throw new FS.ErrnoError(28)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(8)}if(!FS.isFile(stream.node.mode)&&!FS.isDir(stream.node.mode)){throw new FS.ErrnoError(43)}if(!stream.stream_ops.allocate){throw new FS.ErrnoError(138)}stream.stream_ops.allocate(stream,offset,length)},mmap:(stream,length,position,prot,flags)=>{if((prot&2)!==0&&(flags&2)===0&&(stream.flags&2097155)!==2){throw new FS.ErrnoError(2)}if((stream.flags&2097155)===1){throw new FS.ErrnoError(2)}if(!stream.stream_ops.mmap){throw new FS.ErrnoError(43)}return stream.stream_ops.mmap(stream,length,position,prot,flags)},msync:(stream,buffer,offset,length,mmapFlags)=>{if(!stream.stream_ops.msync){return 0}return stream.stream_ops.msync(stream,buffer,offset,length,mmapFlags)},munmap:stream=>0,ioctl:(stream,cmd,arg)=>{if(!stream.stream_ops.ioctl){throw new FS.ErrnoError(59)}return stream.stream_ops.ioctl(stream,cmd,arg)},readFile:(path,opts={})=>{opts.flags=opts.flags||0;opts.encoding=opts.encoding||"binary";if(opts.encoding!=="utf8"&&opts.encoding!=="binary"){throw new Error('Invalid encoding type "'+opts.encoding+'"')}var ret;var stream=FS.open(path,opts.flags);var stat=FS.stat(path);var length=stat.size;var buf=new Uint8Array(length);FS.read(stream,buf,0,length,0);if(opts.encoding==="utf8"){ret=UTF8ArrayToString(buf,0)}else if(opts.encoding==="binary"){ret=buf}FS.close(stream);return ret},writeFile:(path,data,opts={})=>{opts.flags=opts.flags||577;var stream=FS.open(path,opts.flags,opts.mode);if(typeof data=="string"){var buf=new Uint8Array(lengthBytesUTF8(data)+1);var actualNumBytes=stringToUTF8Array(data,buf,0,buf.length);FS.write(stream,buf,0,actualNumBytes,undefined,opts.canOwn)}else if(ArrayBuffer.isView(data)){FS.write(stream,data,0,data.byteLength,undefined,opts.canOwn)}else{throw new Error("Unsupported data type")}FS.close(stream)},cwd:()=>FS.currentPath,chdir:path=>{var lookup=FS.lookupPath(path,{follow:true});if(lookup.node===null){throw new FS.ErrnoError(44)}if(!FS.isDir(lookup.node.mode)){throw new FS.ErrnoError(54)}var errCode=FS.nodePermissions(lookup.node,"x");if(errCode){throw new FS.ErrnoError(errCode)}FS.currentPath=lookup.path},createDefaultDirectories:()=>{FS.mkdir("/tmp");FS.mkdir("/home");FS.mkdir("/home/web_user")},createDefaultDevices:()=>{FS.mkdir("/dev");FS.registerDevice(FS.makedev(1,3),{read:()=>0,write:(stream,buffer,offset,length,pos)=>length});FS.mkdev("/dev/null",FS.makedev(1,3));TTY.register(FS.makedev(5,0),TTY.default_tty_ops);TTY.register(FS.makedev(6,0),TTY.default_tty1_ops);FS.mkdev("/dev/tty",FS.makedev(5,0));FS.mkdev("/dev/tty1",FS.makedev(6,0));var random_device=getRandomDevice();FS.createDevice("/dev","random",random_device);FS.createDevice("/dev","urandom",random_device);FS.mkdir("/dev/shm");FS.mkdir("/dev/shm/tmp")},createSpecialDirectories:()=>{FS.mkdir("/proc");var proc_self=FS.mkdir("/proc/self");FS.mkdir("/proc/self/fd");FS.mount({mount:()=>{var node=FS.createNode(proc_self,"fd",16384|511,73);node.node_ops={lookup:(parent,name)=>{var fd=+name;var stream=FS.getStream(fd);if(!stream)throw new FS.ErrnoError(8);var ret={parent:null,mount:{mountpoint:"fake"},node_ops:{readlink:()=>stream.path}};ret.parent=ret;return ret}};return node}},{},"/proc/self/fd")},createStandardStreams:()=>{if(Module["stdin"]){FS.createDevice("/dev","stdin",Module["stdin"])}else{FS.symlink("/dev/tty","/dev/stdin")}if(Module["stdout"]){FS.createDevice("/dev","stdout",null,Module["stdout"])}else{FS.symlink("/dev/tty","/dev/stdout")}if(Module["stderr"]){FS.createDevice("/dev","stderr",null,Module["stderr"])}else{FS.symlink("/dev/tty1","/dev/stderr")}var stdin=FS.open("/dev/stdin",0);var stdout=FS.open("/dev/stdout",1);var stderr=FS.open("/dev/stderr",1)},ensureErrnoError:()=>{if(FS.ErrnoError)return;FS.ErrnoError=function ErrnoError(errno,node){this.node=node;this.setErrno=function(errno){this.errno=errno};this.setErrno(errno);this.message="FS error"};FS.ErrnoError.prototype=new Error;FS.ErrnoError.prototype.constructor=FS.ErrnoError;[44].forEach(code=>{FS.genericErrors[code]=new FS.ErrnoError(code);FS.genericErrors[code].stack="<generic error, no stack>"})},staticInit:()=>{FS.ensureErrnoError();FS.nameTable=new Array(4096);FS.mount(MEMFS,{},"/");FS.createDefaultDirectories();FS.createDefaultDevices();FS.createSpecialDirectories();FS.filesystems={"MEMFS":MEMFS}},init:(input,output,error)=>{FS.init.initialized=true;FS.ensureErrnoError();Module["stdin"]=input||Module["stdin"];Module["stdout"]=output||Module["stdout"];Module["stderr"]=error||Module["stderr"];FS.createStandardStreams()},quit:()=>{FS.init.initialized=false;for(var i=0;i<FS.streams.length;i++){var stream=FS.streams[i];if(!stream){continue}FS.close(stream)}},getMode:(canRead,canWrite)=>{var mode=0;if(canRead)mode|=292|73;if(canWrite)mode|=146;return mode},findObject:(path,dontResolveLastLink)=>{var ret=FS.analyzePath(path,dontResolveLastLink);if(!ret.exists){return null}return ret.object},analyzePath:(path,dontResolveLastLink)=>{try{var lookup=FS.lookupPath(path,{follow:!dontResolveLastLink});path=lookup.path}catch(e){}var ret={isRoot:false,exists:false,error:0,name:null,path:null,object:null,parentExists:false,parentPath:null,parentObject:null};try{var lookup=FS.lookupPath(path,{parent:true});ret.parentExists=true;ret.parentPath=lookup.path;ret.parentObject=lookup.node;ret.name=PATH.basename(path);lookup=FS.lookupPath(path,{follow:!dontResolveLastLink});ret.exists=true;ret.path=lookup.path;ret.object=lookup.node;ret.name=lookup.node.name;ret.isRoot=lookup.path==="/"}catch(e){ret.error=e.errno}return ret},createPath:(parent,path,canRead,canWrite)=>{parent=typeof parent=="string"?parent:FS.getPath(parent);var parts=path.split("/").reverse();while(parts.length){var part=parts.pop();if(!part)continue;var current=PATH.join2(parent,part);try{FS.mkdir(current)}catch(e){}parent=current}return current},createFile:(parent,name,properties,canRead,canWrite)=>{var path=PATH.join2(typeof parent=="string"?parent:FS.getPath(parent),name);var mode=FS.getMode(canRead,canWrite);return FS.create(path,mode)},createDataFile:(parent,name,data,canRead,canWrite,canOwn)=>{var path=name;if(parent){parent=typeof parent=="string"?parent:FS.getPath(parent);path=name?PATH.join2(parent,name):parent}var mode=FS.getMode(canRead,canWrite);var node=FS.create(path,mode);if(data){if(typeof data=="string"){var arr=new Array(data.length);for(var i=0,len=data.length;i<len;++i)arr[i]=data.charCodeAt(i);data=arr}FS.chmod(node,mode|146);var stream=FS.open(node,577);FS.write(stream,data,0,data.length,0,canOwn);FS.close(stream);FS.chmod(node,mode)}return node},createDevice:(parent,name,input,output)=>{var path=PATH.join2(typeof parent=="string"?parent:FS.getPath(parent),name);var mode=FS.getMode(!!input,!!output);if(!FS.createDevice.major)FS.createDevice.major=64;var dev=FS.makedev(FS.createDevice.major++,0);FS.registerDevice(dev,{open:stream=>{stream.seekable=false},close:stream=>{if(output&&output.buffer&&output.buffer.length){output(10)}},read:(stream,buffer,offset,length,pos)=>{var bytesRead=0;for(var i=0;i<length;i++){var result;try{result=input()}catch(e){throw new FS.ErrnoError(29)}if(result===undefined&&bytesRead===0){throw new FS.ErrnoError(6)}if(result===null||result===undefined)break;bytesRead++;buffer[offset+i]=result}if(bytesRead){stream.node.timestamp=Date.now()}return bytesRead},write:(stream,buffer,offset,length,pos)=>{for(var i=0;i<length;i++){try{output(buffer[offset+i])}catch(e){throw new FS.ErrnoError(29)}}if(length){stream.node.timestamp=Date.now()}return i}});return FS.mkdev(path,mode,dev)},forceLoadFile:obj=>{if(obj.isDevice||obj.isFolder||obj.link||obj.contents)return true;if(typeof XMLHttpRequest!="undefined"){throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.")}else if(read_){try{obj.contents=intArrayFromString(read_(obj.url),true);obj.usedBytes=obj.contents.length}catch(e){throw new FS.ErrnoError(29)}}else{throw new Error("Cannot load without read() or XMLHttpRequest.")}},createLazyFile:(parent,name,url,canRead,canWrite)=>{function LazyUint8Array(){this.lengthKnown=false;this.chunks=[]}LazyUint8Array.prototype.get=function LazyUint8Array_get(idx){if(idx>this.length-1||idx<0){return undefined}var chunkOffset=idx%this.chunkSize;var chunkNum=idx/this.chunkSize|0;return this.getter(chunkNum)[chunkOffset]};LazyUint8Array.prototype.setDataGetter=function LazyUint8Array_setDataGetter(getter){this.getter=getter};LazyUint8Array.prototype.cacheLength=function LazyUint8Array_cacheLength(){var xhr=new XMLHttpRequest;xhr.open("HEAD",url,false);xhr.send(null);if(!(xhr.status>=200&&xhr.status<300||xhr.status===304))throw new Error("Couldn't load "+url+". Status: "+xhr.status);var datalength=Number(xhr.getResponseHeader("Content-length"));var header;var hasByteServing=(header=xhr.getResponseHeader("Accept-Ranges"))&&header==="bytes";var usesGzip=(header=xhr.getResponseHeader("Content-Encoding"))&&header==="gzip";var chunkSize=1024*1024;if(!hasByteServing)chunkSize=datalength;var doXHR=(from,to)=>{if(from>to)throw new Error("invalid range ("+from+", "+to+") or no bytes requested!");if(to>datalength-1)throw new Error("only "+datalength+" bytes available! programmer error!");var xhr=new XMLHttpRequest;xhr.open("GET",url,false);if(datalength!==chunkSize)xhr.setRequestHeader("Range","bytes="+from+"-"+to);xhr.responseType="arraybuffer";if(xhr.overrideMimeType){xhr.overrideMimeType("text/plain; charset=x-user-defined")}xhr.send(null);if(!(xhr.status>=200&&xhr.status<300||xhr.status===304))throw new Error("Couldn't load "+url+". Status: "+xhr.status);if(xhr.response!==undefined){return new Uint8Array(xhr.response||[])}return intArrayFromString(xhr.responseText||"",true)};var lazyArray=this;lazyArray.setDataGetter(chunkNum=>{var start=chunkNum*chunkSize;var end=(chunkNum+1)*chunkSize-1;end=Math.min(end,datalength-1);if(typeof lazyArray.chunks[chunkNum]=="undefined"){lazyArray.chunks[chunkNum]=doXHR(start,end)}if(typeof lazyArray.chunks[chunkNum]=="undefined")throw new Error("doXHR failed!");return lazyArray.chunks[chunkNum]});if(usesGzip||!datalength){chunkSize=datalength=1;datalength=this.getter(0).length;chunkSize=datalength;out("LazyFiles on gzip forces download of the whole file when length is accessed")}this._length=datalength;this._chunkSize=chunkSize;this.lengthKnown=true};if(typeof XMLHttpRequest!="undefined"){if(!ENVIRONMENT_IS_WORKER)throw"Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";var lazyArray=new LazyUint8Array;Object.defineProperties(lazyArray,{length:{get:function(){if(!this.lengthKnown){this.cacheLength()}return this._length}},chunkSize:{get:function(){if(!this.lengthKnown){this.cacheLength()}return this._chunkSize}}});var properties={isDevice:false,contents:lazyArray}}else{var properties={isDevice:false,url:url}}var node=FS.createFile(parent,name,properties,canRead,canWrite);if(properties.contents){node.contents=properties.contents}else if(properties.url){node.contents=null;node.url=properties.url}Object.defineProperties(node,{usedBytes:{get:function(){return this.contents.length}}});var stream_ops={};var keys=Object.keys(node.stream_ops);keys.forEach(key=>{var fn=node.stream_ops[key];stream_ops[key]=function forceLoadLazyFile(){FS.forceLoadFile(node);return fn.apply(null,arguments)}});function writeChunks(stream,buffer,offset,length,position){var contents=stream.node.contents;if(position>=contents.length)return 0;var size=Math.min(contents.length-position,length);if(contents.slice){for(var i=0;i<size;i++){buffer[offset+i]=contents[position+i]}}else{for(var i=0;i<size;i++){buffer[offset+i]=contents.get(position+i)}}return size}stream_ops.read=(stream,buffer,offset,length,position)=>{FS.forceLoadFile(node);return writeChunks(stream,buffer,offset,length,position)};stream_ops.mmap=(stream,length,position,prot,flags)=>{FS.forceLoadFile(node);var ptr=mmapAlloc(length);if(!ptr){throw new FS.ErrnoError(48)}writeChunks(stream,HEAP8,ptr,length,position);return{ptr:ptr,allocated:true}};node.stream_ops=stream_ops;return node},createPreloadedFile:(parent,name,url,canRead,canWrite,onload,onerror,dontCreateFile,canOwn,preFinish)=>{var fullname=name?PATH_FS.resolve(PATH.join2(parent,name)):parent;var dep=getUniqueRunDependency("cp "+fullname);function processData(byteArray){function finish(byteArray){if(preFinish)preFinish();if(!dontCreateFile){FS.createDataFile(parent,name,byteArray,canRead,canWrite,canOwn)}if(onload)onload();removeRunDependency(dep)}if(Browser.handledByPreloadPlugin(byteArray,fullname,finish,()=>{if(onerror)onerror();removeRunDependency(dep)})){return}finish(byteArray)}addRunDependency(dep);if(typeof url=="string"){asyncLoad(url,byteArray=>processData(byteArray),onerror)}else{processData(url)}},indexedDB:()=>{return window.indexedDB||window.mozIndexedDB||window.webkitIndexedDB||window.msIndexedDB},DB_NAME:()=>{return"EM_FS_"+window.location.pathname},DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",saveFilesToDB:(paths,onload=(()=>{}),onerror=(()=>{}))=>{var indexedDB=FS.indexedDB();try{var openRequest=indexedDB.open(FS.DB_NAME(),FS.DB_VERSION)}catch(e){return onerror(e)}openRequest.onupgradeneeded=()=>{out("creating db");var db=openRequest.result;db.createObjectStore(FS.DB_STORE_NAME)};openRequest.onsuccess=()=>{var db=openRequest.result;var transaction=db.transaction([FS.DB_STORE_NAME],"readwrite");var files=transaction.objectStore(FS.DB_STORE_NAME);var ok=0,fail=0,total=paths.length;function finish(){if(fail==0)onload();else onerror()}paths.forEach(path=>{var putRequest=files.put(FS.analyzePath(path).object.contents,path);putRequest.onsuccess=()=>{ok++;if(ok+fail==total)finish()};putRequest.onerror=()=>{fail++;if(ok+fail==total)finish()}});transaction.onerror=onerror};openRequest.onerror=onerror},loadFilesFromDB:(paths,onload=(()=>{}),onerror=(()=>{}))=>{var indexedDB=FS.indexedDB();try{var openRequest=indexedDB.open(FS.DB_NAME(),FS.DB_VERSION)}catch(e){return onerror(e)}openRequest.onupgradeneeded=onerror;openRequest.onsuccess=()=>{var db=openRequest.result;try{var transaction=db.transaction([FS.DB_STORE_NAME],"readonly")}catch(e){onerror(e);return}var files=transaction.objectStore(FS.DB_STORE_NAME);var ok=0,fail=0,total=paths.length;function finish(){if(fail==0)onload();else onerror()}paths.forEach(path=>{var getRequest=files.get(path);getRequest.onsuccess=()=>{if(FS.analyzePath(path).exists){FS.unlink(path)}FS.createDataFile(PATH.dirname(path),PATH.basename(path),getRequest.result,true,true,true);ok++;if(ok+fail==total)finish()};getRequest.onerror=()=>{fail++;if(ok+fail==total)finish()}});transaction.onerror=onerror};openRequest.onerror=onerror}};var SYSCALLS={DEFAULT_POLLMASK:5,calculateAt:function(dirfd,path,allowEmpty){if(PATH.isAbs(path)){return path}var dir;if(dirfd===-100){dir=FS.cwd()}else{var dirstream=SYSCALLS.getStreamFromFD(dirfd);dir=dirstream.path}if(path.length==0){if(!allowEmpty){throw new FS.ErrnoError(44)}return dir}return PATH.join2(dir,path)},doStat:function(func,path,buf){try{var stat=func(path)}catch(e){if(e&&e.node&&PATH.normalize(path)!==PATH.normalize(FS.getPath(e.node))){return-54}throw e}HEAP32[buf>>2]=stat.dev;HEAP32[buf+8>>2]=stat.ino;HEAP32[buf+12>>2]=stat.mode;HEAPU32[buf+16>>2]=stat.nlink;HEAP32[buf+20>>2]=stat.uid;HEAP32[buf+24>>2]=stat.gid;HEAP32[buf+28>>2]=stat.rdev;tempI64=[stat.size>>>0,(tempDouble=stat.size,+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+40>>2]=tempI64[0],HEAP32[buf+44>>2]=tempI64[1];HEAP32[buf+48>>2]=4096;HEAP32[buf+52>>2]=stat.blocks;var atime=stat.atime.getTime();var mtime=stat.mtime.getTime();var ctime=stat.ctime.getTime();tempI64=[Math.floor(atime/1e3)>>>0,(tempDouble=Math.floor(atime/1e3),+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+56>>2]=tempI64[0],HEAP32[buf+60>>2]=tempI64[1];HEAPU32[buf+64>>2]=atime%1e3*1e3;tempI64=[Math.floor(mtime/1e3)>>>0,(tempDouble=Math.floor(mtime/1e3),+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+72>>2]=tempI64[0],HEAP32[buf+76>>2]=tempI64[1];HEAPU32[buf+80>>2]=mtime%1e3*1e3;tempI64=[Math.floor(ctime/1e3)>>>0,(tempDouble=Math.floor(ctime/1e3),+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+88>>2]=tempI64[0],HEAP32[buf+92>>2]=tempI64[1];HEAPU32[buf+96>>2]=ctime%1e3*1e3;tempI64=[stat.ino>>>0,(tempDouble=stat.ino,+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+104>>2]=tempI64[0],HEAP32[buf+108>>2]=tempI64[1];return 0},doMsync:function(addr,stream,len,flags,offset){if(!FS.isFile(stream.node.mode)){throw new FS.ErrnoError(43)}if(flags&2){return 0}var buffer=HEAPU8.slice(addr,addr+len);FS.msync(stream,buffer,offset,len,flags)},varargs:undefined,get:function(){SYSCALLS.varargs+=4;var ret=HEAP32[SYSCALLS.varargs-4>>2];return ret},getStr:function(ptr){var ret=UTF8ToString(ptr);return ret},getStreamFromFD:function(fd){var stream=FS.getStream(fd);if(!stream)throw new FS.ErrnoError(8);return stream}};function ___syscall_fcntl64(fd,cmd,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(fd);switch(cmd){case 0:{var arg=SYSCALLS.get();if(arg<0){return-28}var newStream;newStream=FS.createStream(stream,arg);return newStream.fd}case 1:case 2:return 0;case 3:return stream.flags;case 4:{var arg=SYSCALLS.get();stream.flags|=arg;return 0}case 5:{var arg=SYSCALLS.get();var offset=0;HEAP16[arg+offset>>1]=2;return 0}case 6:case 7:return 0;case 16:case 8:return-28;case 9:setErrNo(28);return-1;default:{return-28}}}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function ___syscall_ioctl(fd,op,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(fd);switch(op){case 21509:case 21505:{if(!stream.tty)return-59;return 0}case 21510:case 21511:case 21512:case 21506:case 21507:case 21508:{if(!stream.tty)return-59;return 0}case 21519:{if(!stream.tty)return-59;var argp=SYSCALLS.get();HEAP32[argp>>2]=0;return 0}case 21520:{if(!stream.tty)return-59;return-28}case 21531:{var argp=SYSCALLS.get();return FS.ioctl(stream,op,argp)}case 21523:{if(!stream.tty)return-59;return 0}case 21524:{if(!stream.tty)return-59;return 0}default:return-28}}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function ___syscall_openat(dirfd,path,flags,varargs){SYSCALLS.varargs=varargs;try{path=SYSCALLS.getStr(path);path=SYSCALLS.calculateAt(dirfd,path);var mode=varargs?SYSCALLS.get():0;return FS.open(path,flags,mode).fd}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return-e.errno}}function __embind_register_bigint(primitiveType,name,size,minRange,maxRange){}function getShiftFromSize(size){switch(size){case 1:return 0;case 2:return 1;case 4:return 2;case 8:return 3;default:throw new TypeError("Unknown type size: "+size)}}function embind_init_charCodes(){var codes=new Array(256);for(var i=0;i<256;++i){codes[i]=String.fromCharCode(i)}embind_charCodes=codes}var embind_charCodes=undefined;function readLatin1String(ptr){var ret="";var c=ptr;while(HEAPU8[c]){ret+=embind_charCodes[HEAPU8[c++]]}return ret}var awaitingDependencies={};var registeredTypes={};var typeDependencies={};var char_0=48;var char_9=57;function makeLegalFunctionName(name){if(undefined===name){return"_unknown"}name=name.replace(/[^a-zA-Z0-9_]/g,"$");var f=name.charCodeAt(0);if(f>=char_0&&f<=char_9){return"_"+name}return name}function createNamedFunction(name,body){name=makeLegalFunctionName(name);return new Function("body","return function "+name+"() {\n"+'    "use strict";'+"    return body.apply(this, arguments);\n"+"};\n")(body)}function extendError(baseErrorType,errorName){var errorClass=createNamedFunction(errorName,function(message){this.name=errorName;this.message=message;var stack=new Error(message).stack;if(stack!==undefined){this.stack=this.toString()+"\n"+stack.replace(/^Error(:[^\n]*)?\n/,"")}});errorClass.prototype=Object.create(baseErrorType.prototype);errorClass.prototype.constructor=errorClass;errorClass.prototype.toString=function(){if(this.message===undefined){return this.name}else{return this.name+": "+this.message}};return errorClass}var BindingError=undefined;function throwBindingError(message){throw new BindingError(message)}var InternalError=undefined;function throwInternalError(message){throw new InternalError(message)}function whenDependentTypesAreResolved(myTypes,dependentTypes,getTypeConverters){myTypes.forEach(function(type){typeDependencies[type]=dependentTypes});function onComplete(typeConverters){var myTypeConverters=getTypeConverters(typeConverters);if(myTypeConverters.length!==myTypes.length){throwInternalError("Mismatched type converter count")}for(var i=0;i<myTypes.length;++i){registerType(myTypes[i],myTypeConverters[i])}}var typeConverters=new Array(dependentTypes.length);var unregisteredTypes=[];var registered=0;dependentTypes.forEach((dt,i)=>{if(registeredTypes.hasOwnProperty(dt)){typeConverters[i]=registeredTypes[dt]}else{unregisteredTypes.push(dt);if(!awaitingDependencies.hasOwnProperty(dt)){awaitingDependencies[dt]=[]}awaitingDependencies[dt].push(()=>{typeConverters[i]=registeredTypes[dt];++registered;if(registered===unregisteredTypes.length){onComplete(typeConverters)}})}});if(0===unregisteredTypes.length){onComplete(typeConverters)}}function registerType(rawType,registeredInstance,options={}){if(!("argPackAdvance"in registeredInstance)){throw new TypeError("registerType registeredInstance requires argPackAdvance")}var name=registeredInstance.name;if(!rawType){throwBindingError('type "'+name+'" must have a positive integer typeid pointer')}if(registeredTypes.hasOwnProperty(rawType)){if(options.ignoreDuplicateRegistrations){return}else{throwBindingError("Cannot register type '"+name+"' twice")}}registeredTypes[rawType]=registeredInstance;delete typeDependencies[rawType];if(awaitingDependencies.hasOwnProperty(rawType)){var callbacks=awaitingDependencies[rawType];delete awaitingDependencies[rawType];callbacks.forEach(cb=>cb())}}function __embind_register_bool(rawType,name,size,trueValue,falseValue){var shift=getShiftFromSize(size);name=readLatin1String(name);registerType(rawType,{name:name,"fromWireType":function(wt){return!!wt},"toWireType":function(destructors,o){return o?trueValue:falseValue},"argPackAdvance":8,"readValueFromPointer":function(pointer){var heap;if(size===1){heap=HEAP8}else if(size===2){heap=HEAP16}else if(size===4){heap=HEAP32}else{throw new TypeError("Unknown boolean type size: "+name)}return this["fromWireType"](heap[pointer>>shift])},destructorFunction:null})}var emval_free_list=[];var emval_handle_array=[{},{value:undefined},{value:null},{value:true},{value:false}];function __emval_decref(handle){if(handle>4&&0===--emval_handle_array[handle].refcount){emval_handle_array[handle]=undefined;emval_free_list.push(handle)}}function count_emval_handles(){var count=0;for(var i=5;i<emval_handle_array.length;++i){if(emval_handle_array[i]!==undefined){++count}}return count}function get_first_emval(){for(var i=5;i<emval_handle_array.length;++i){if(emval_handle_array[i]!==undefined){return emval_handle_array[i]}}return null}function init_emval(){Module["count_emval_handles"]=count_emval_handles;Module["get_first_emval"]=get_first_emval}var Emval={toValue:handle=>{if(!handle){throwBindingError("Cannot use deleted val. handle = "+handle)}return emval_handle_array[handle].value},toHandle:value=>{switch(value){case undefined:return 1;case null:return 2;case true:return 3;case false:return 4;default:{var handle=emval_free_list.length?emval_free_list.pop():emval_handle_array.length;emval_handle_array[handle]={refcount:1,value:value};return handle}}}};function simpleReadValueFromPointer(pointer){return this["fromWireType"](HEAP32[pointer>>2])}function __embind_register_emval(rawType,name){name=readLatin1String(name);registerType(rawType,{name:name,"fromWireType":function(handle){var rv=Emval.toValue(handle);__emval_decref(handle);return rv},"toWireType":function(destructors,value){return Emval.toHandle(value)},"argPackAdvance":8,"readValueFromPointer":simpleReadValueFromPointer,destructorFunction:null})}function floatReadValueFromPointer(name,shift){switch(shift){case 2:return function(pointer){return this["fromWireType"](HEAPF32[pointer>>2])};case 3:return function(pointer){return this["fromWireType"](HEAPF64[pointer>>3])};default:throw new TypeError("Unknown float type: "+name)}}function __embind_register_float(rawType,name,size){var shift=getShiftFromSize(size);name=readLatin1String(name);registerType(rawType,{name:name,"fromWireType":function(value){return value},"toWireType":function(destructors,value){return value},"argPackAdvance":8,"readValueFromPointer":floatReadValueFromPointer(name,shift),destructorFunction:null})}function new_(constructor,argumentList){if(!(constructor instanceof Function)){throw new TypeError("new_ called with constructor type "+typeof constructor+" which is not a function")}var dummy=createNamedFunction(constructor.name||"unknownFunctionName",function(){});dummy.prototype=constructor.prototype;var obj=new dummy;var r=constructor.apply(obj,argumentList);return r instanceof Object?r:obj}function runDestructors(destructors){while(destructors.length){var ptr=destructors.pop();var del=destructors.pop();del(ptr)}}function craftInvokerFunction(humanName,argTypes,classType,cppInvokerFunc,cppTargetFunc){var argCount=argTypes.length;if(argCount<2){throwBindingError("argTypes array size mismatch! Must at least get return value and 'this' types!")}var isClassMethodFunc=argTypes[1]!==null&&classType!==null;var needsDestructorStack=false;for(var i=1;i<argTypes.length;++i){if(argTypes[i]!==null&&argTypes[i].destructorFunction===undefined){needsDestructorStack=true;break}}var returns=argTypes[0].name!=="void";var argsList="";var argsListWired="";for(var i=0;i<argCount-2;++i){argsList+=(i!==0?", ":"")+"arg"+i;argsListWired+=(i!==0?", ":"")+"arg"+i+"Wired"}var invokerFnBody="return function "+makeLegalFunctionName(humanName)+"("+argsList+") {\n"+"if (arguments.length !== "+(argCount-2)+") {\n"+"throwBindingError('function "+humanName+" called with ' + arguments.length + ' arguments, expected "+(argCount-2)+" args!');\n"+"}\n";if(needsDestructorStack){invokerFnBody+="var destructors = [];\n"}var dtorStack=needsDestructorStack?"destructors":"null";var args1=["throwBindingError","invoker","fn","runDestructors","retType","classParam"];var args2=[throwBindingError,cppInvokerFunc,cppTargetFunc,runDestructors,argTypes[0],argTypes[1]];if(isClassMethodFunc){invokerFnBody+="var thisWired = classParam.toWireType("+dtorStack+", this);\n"}for(var i=0;i<argCount-2;++i){invokerFnBody+="var arg"+i+"Wired = argType"+i+".toWireType("+dtorStack+", arg"+i+"); // "+argTypes[i+2].name+"\n";args1.push("argType"+i);args2.push(argTypes[i+2])}if(isClassMethodFunc){argsListWired="thisWired"+(argsListWired.length>0?", ":"")+argsListWired}invokerFnBody+=(returns?"var rv = ":"")+"invoker(fn"+(argsListWired.length>0?", ":"")+argsListWired+");\n";if(needsDestructorStack){invokerFnBody+="runDestructors(destructors);\n"}else{for(var i=isClassMethodFunc?1:2;i<argTypes.length;++i){var paramName=i===1?"thisWired":"arg"+(i-2)+"Wired";if(argTypes[i].destructorFunction!==null){invokerFnBody+=paramName+"_dtor("+paramName+"); // "+argTypes[i].name+"\n";args1.push(paramName+"_dtor");args2.push(argTypes[i].destructorFunction)}}}if(returns){invokerFnBody+="var ret = retType.fromWireType(rv);\n"+"return ret;\n"}else{}invokerFnBody+="}\n";args1.push(invokerFnBody);var invokerFunction=new_(Function,args1).apply(null,args2);return invokerFunction}function ensureOverloadTable(proto,methodName,humanName){if(undefined===proto[methodName].overloadTable){var prevFunc=proto[methodName];proto[methodName]=function(){if(!proto[methodName].overloadTable.hasOwnProperty(arguments.length)){throwBindingError("Function '"+humanName+"' called with an invalid number of arguments ("+arguments.length+") - expects one of ("+proto[methodName].overloadTable+")!")}return proto[methodName].overloadTable[arguments.length].apply(this,arguments)};proto[methodName].overloadTable=[];proto[methodName].overloadTable[prevFunc.argCount]=prevFunc}}function exposePublicSymbol(name,value,numArguments){if(Module.hasOwnProperty(name)){if(undefined===numArguments||undefined!==Module[name].overloadTable&&undefined!==Module[name].overloadTable[numArguments]){throwBindingError("Cannot register public name '"+name+"' twice")}ensureOverloadTable(Module,name,name);if(Module.hasOwnProperty(numArguments)){throwBindingError("Cannot register multiple overloads of a function with the same number of arguments ("+numArguments+")!")}Module[name].overloadTable[numArguments]=value}else{Module[name]=value;if(undefined!==numArguments){Module[name].numArguments=numArguments}}}function heap32VectorToArray(count,firstElement){var array=[];for(var i=0;i<count;i++){array.push(HEAPU32[firstElement+i*4>>2])}return array}function replacePublicSymbol(name,value,numArguments){if(!Module.hasOwnProperty(name)){throwInternalError("Replacing nonexistant public symbol")}if(undefined!==Module[name].overloadTable&&undefined!==numArguments){Module[name].overloadTable[numArguments]=value}else{Module[name]=value;Module[name].argCount=numArguments}}function dynCallLegacy(sig,ptr,args){var f=Module["dynCall_"+sig];return args&&args.length?f.apply(null,[ptr].concat(args)):f.call(null,ptr)}var wasmTableMirror=[];function getWasmTableEntry(funcPtr){var func=wasmTableMirror[funcPtr];if(!func){if(funcPtr>=wasmTableMirror.length)wasmTableMirror.length=funcPtr+1;wasmTableMirror[funcPtr]=func=wasmTable.get(funcPtr)}return func}function dynCall(sig,ptr,args){if(sig.includes("j")){return dynCallLegacy(sig,ptr,args)}var rtn=getWasmTableEntry(ptr).apply(null,args);return rtn}function getDynCaller(sig,ptr){var argCache=[];return function(){argCache.length=0;Object.assign(argCache,arguments);return dynCall(sig,ptr,argCache)}}function embind__requireFunction(signature,rawFunction){signature=readLatin1String(signature);function makeDynCaller(){if(signature.includes("j")){return getDynCaller(signature,rawFunction)}return getWasmTableEntry(rawFunction)}var fp=makeDynCaller();if(typeof fp!="function"){throwBindingError("unknown function pointer with signature "+signature+": "+rawFunction)}return fp}var UnboundTypeError=undefined;function getTypeName(type){var ptr=___getTypeName(type);var rv=readLatin1String(ptr);_free(ptr);return rv}function throwUnboundTypeError(message,types){var unboundTypes=[];var seen={};function visit(type){if(seen[type]){return}if(registeredTypes[type]){return}if(typeDependencies[type]){typeDependencies[type].forEach(visit);return}unboundTypes.push(type);seen[type]=true}types.forEach(visit);throw new UnboundTypeError(message+": "+unboundTypes.map(getTypeName).join([", "]))}function __embind_register_function(name,argCount,rawArgTypesAddr,signature,rawInvoker,fn){var argTypes=heap32VectorToArray(argCount,rawArgTypesAddr);name=readLatin1String(name);rawInvoker=embind__requireFunction(signature,rawInvoker);exposePublicSymbol(name,function(){throwUnboundTypeError("Cannot call "+name+" due to unbound types",argTypes)},argCount-1);whenDependentTypesAreResolved([],argTypes,function(argTypes){var invokerArgsArray=[argTypes[0],null].concat(argTypes.slice(1));replacePublicSymbol(name,craftInvokerFunction(name,invokerArgsArray,null,rawInvoker,fn),argCount-1);return[]})}function integerReadValueFromPointer(name,shift,signed){switch(shift){case 0:return signed?function readS8FromPointer(pointer){return HEAP8[pointer]}:function readU8FromPointer(pointer){return HEAPU8[pointer]};case 1:return signed?function readS16FromPointer(pointer){return HEAP16[pointer>>1]}:function readU16FromPointer(pointer){return HEAPU16[pointer>>1]};case 2:return signed?function readS32FromPointer(pointer){return HEAP32[pointer>>2]}:function readU32FromPointer(pointer){return HEAPU32[pointer>>2]};default:throw new TypeError("Unknown integer type: "+name)}}function __embind_register_integer(primitiveType,name,size,minRange,maxRange){name=readLatin1String(name);if(maxRange===-1){maxRange=4294967295}var shift=getShiftFromSize(size);var fromWireType=value=>value;if(minRange===0){var bitshift=32-8*size;fromWireType=value=>value<<bitshift>>>bitshift}var isUnsignedType=name.includes("unsigned");var checkAssertions=(value,toTypeName)=>{};var toWireType;if(isUnsignedType){toWireType=function(destructors,value){checkAssertions(value,this.name);return value>>>0}}else{toWireType=function(destructors,value){checkAssertions(value,this.name);return value}}registerType(primitiveType,{name:name,"fromWireType":fromWireType,"toWireType":toWireType,"argPackAdvance":8,"readValueFromPointer":integerReadValueFromPointer(name,shift,minRange!==0),destructorFunction:null})}function __embind_register_memory_view(rawType,dataTypeIndex,name){var typeMapping=[Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array];var TA=typeMapping[dataTypeIndex];function decodeMemoryView(handle){handle=handle>>2;var heap=HEAPU32;var size=heap[handle];var data=heap[handle+1];return new TA(heap.buffer,data,size)}name=readLatin1String(name);registerType(rawType,{name:name,"fromWireType":decodeMemoryView,"argPackAdvance":8,"readValueFromPointer":decodeMemoryView},{ignoreDuplicateRegistrations:true})}function __embind_register_std_string(rawType,name){name=readLatin1String(name);var stdStringIsUTF8=name==="std::string";registerType(rawType,{name:name,"fromWireType":function(value){var length=HEAPU32[value>>2];var payload=value+4;var str;if(stdStringIsUTF8){var decodeStartPtr=payload;for(var i=0;i<=length;++i){var currentBytePtr=payload+i;if(i==length||HEAPU8[currentBytePtr]==0){var maxRead=currentBytePtr-decodeStartPtr;var stringSegment=UTF8ToString(decodeStartPtr,maxRead);if(str===undefined){str=stringSegment}else{str+=String.fromCharCode(0);str+=stringSegment}decodeStartPtr=currentBytePtr+1}}}else{var a=new Array(length);for(var i=0;i<length;++i){a[i]=String.fromCharCode(HEAPU8[payload+i])}str=a.join("")}_free(value);return str},"toWireType":function(destructors,value){if(value instanceof ArrayBuffer){value=new Uint8Array(value)}var length;var valueIsOfTypeString=typeof value=="string";if(!(valueIsOfTypeString||value instanceof Uint8Array||value instanceof Uint8ClampedArray||value instanceof Int8Array)){throwBindingError("Cannot pass non-string to std::string")}if(stdStringIsUTF8&&valueIsOfTypeString){length=lengthBytesUTF8(value)}else{length=value.length}var base=_malloc(4+length+1);var ptr=base+4;HEAPU32[base>>2]=length;if(stdStringIsUTF8&&valueIsOfTypeString){stringToUTF8(value,ptr,length+1)}else{if(valueIsOfTypeString){for(var i=0;i<length;++i){var charCode=value.charCodeAt(i);if(charCode>255){_free(ptr);throwBindingError("String has UTF-16 code units that do not fit in 8 bits")}HEAPU8[ptr+i]=charCode}}else{for(var i=0;i<length;++i){HEAPU8[ptr+i]=value[i]}}}if(destructors!==null){destructors.push(_free,base)}return base},"argPackAdvance":8,"readValueFromPointer":simpleReadValueFromPointer,destructorFunction:function(ptr){_free(ptr)}})}var UTF16Decoder=typeof TextDecoder!="undefined"?new TextDecoder("utf-16le"):undefined;function UTF16ToString(ptr,maxBytesToRead){var endPtr=ptr;var idx=endPtr>>1;var maxIdx=idx+maxBytesToRead/2;while(!(idx>=maxIdx)&&HEAPU16[idx])++idx;endPtr=idx<<1;if(endPtr-ptr>32&&UTF16Decoder)return UTF16Decoder.decode(HEAPU8.subarray(ptr,endPtr));var str="";for(var i=0;!(i>=maxBytesToRead/2);++i){var codeUnit=HEAP16[ptr+i*2>>1];if(codeUnit==0)break;str+=String.fromCharCode(codeUnit)}return str}function stringToUTF16(str,outPtr,maxBytesToWrite){if(maxBytesToWrite===undefined){maxBytesToWrite=2147483647}if(maxBytesToWrite<2)return 0;maxBytesToWrite-=2;var startPtr=outPtr;var numCharsToWrite=maxBytesToWrite<str.length*2?maxBytesToWrite/2:str.length;for(var i=0;i<numCharsToWrite;++i){var codeUnit=str.charCodeAt(i);HEAP16[outPtr>>1]=codeUnit;outPtr+=2}HEAP16[outPtr>>1]=0;return outPtr-startPtr}function lengthBytesUTF16(str){return str.length*2}function UTF32ToString(ptr,maxBytesToRead){var i=0;var str="";while(!(i>=maxBytesToRead/4)){var utf32=HEAP32[ptr+i*4>>2];if(utf32==0)break;++i;if(utf32>=65536){var ch=utf32-65536;str+=String.fromCharCode(55296|ch>>10,56320|ch&1023)}else{str+=String.fromCharCode(utf32)}}return str}function stringToUTF32(str,outPtr,maxBytesToWrite){if(maxBytesToWrite===undefined){maxBytesToWrite=2147483647}if(maxBytesToWrite<4)return 0;var startPtr=outPtr;var endPtr=startPtr+maxBytesToWrite-4;for(var i=0;i<str.length;++i){var codeUnit=str.charCodeAt(i);if(codeUnit>=55296&&codeUnit<=57343){var trailSurrogate=str.charCodeAt(++i);codeUnit=65536+((codeUnit&1023)<<10)|trailSurrogate&1023}HEAP32[outPtr>>2]=codeUnit;outPtr+=4;if(outPtr+4>endPtr)break}HEAP32[outPtr>>2]=0;return outPtr-startPtr}function lengthBytesUTF32(str){var len=0;for(var i=0;i<str.length;++i){var codeUnit=str.charCodeAt(i);if(codeUnit>=55296&&codeUnit<=57343)++i;len+=4}return len}function __embind_register_std_wstring(rawType,charSize,name){name=readLatin1String(name);var decodeString,encodeString,getHeap,lengthBytesUTF,shift;if(charSize===2){decodeString=UTF16ToString;encodeString=stringToUTF16;lengthBytesUTF=lengthBytesUTF16;getHeap=()=>HEAPU16;shift=1}else if(charSize===4){decodeString=UTF32ToString;encodeString=stringToUTF32;lengthBytesUTF=lengthBytesUTF32;getHeap=()=>HEAPU32;shift=2}registerType(rawType,{name:name,"fromWireType":function(value){var length=HEAPU32[value>>2];var HEAP=getHeap();var str;var decodeStartPtr=value+4;for(var i=0;i<=length;++i){var currentBytePtr=value+4+i*charSize;if(i==length||HEAP[currentBytePtr>>shift]==0){var maxReadBytes=currentBytePtr-decodeStartPtr;var stringSegment=decodeString(decodeStartPtr,maxReadBytes);if(str===undefined){str=stringSegment}else{str+=String.fromCharCode(0);str+=stringSegment}decodeStartPtr=currentBytePtr+charSize}}_free(value);return str},"toWireType":function(destructors,value){if(!(typeof value=="string")){throwBindingError("Cannot pass non-string to C++ string type "+name)}var length=lengthBytesUTF(value);var ptr=_malloc(4+length+charSize);HEAPU32[ptr>>2]=length>>shift;encodeString(value,ptr+4,length+charSize);if(destructors!==null){destructors.push(_free,ptr)}return ptr},"argPackAdvance":8,"readValueFromPointer":simpleReadValueFromPointer,destructorFunction:function(ptr){_free(ptr)}})}function __embind_register_void(rawType,name){name=readLatin1String(name);registerType(rawType,{isVoid:true,name:name,"argPackAdvance":0,"fromWireType":function(){return undefined},"toWireType":function(destructors,o){return undefined}})}function __emscripten_fs_load_embedded_files(ptr){do{var name_addr=HEAPU32[ptr>>2];ptr+=4;var len=HEAPU32[ptr>>2];ptr+=4;var content=HEAPU32[ptr>>2];ptr+=4;var name=UTF8ToString(name_addr);FS.createPath("/",PATH.dirname(name),true,true);FS.createDataFile(name,null,HEAP8.subarray(content,content+len),true,true,true)}while(HEAPU32[ptr>>2])}function _abort(){abort("")}var readEmAsmArgsArray=[];function readEmAsmArgs(sigPtr,buf){readEmAsmArgsArray.length=0;var ch;buf>>=2;while(ch=HEAPU8[sigPtr++]){buf+=ch!=105&buf;readEmAsmArgsArray.push(ch==105?HEAP32[buf]:HEAPF64[buf++>>1]);++buf}return readEmAsmArgsArray}function runEmAsmFunction(code,sigPtr,argbuf){var args=readEmAsmArgs(sigPtr,argbuf);return ASM_CONSTS[code].apply(null,args)}function _emscripten_asm_const_int(code,sigPtr,argbuf){return runEmAsmFunction(code,sigPtr,argbuf)}function _emscripten_memcpy_big(dest,src,num){HEAPU8.copyWithin(dest,src,src+num)}function abortOnCannotGrowMemory(requestedSize){abort("OOM")}function _emscripten_resize_heap(requestedSize){var oldSize=HEAPU8.length;requestedSize=requestedSize>>>0;abortOnCannotGrowMemory(requestedSize)}var ENV={};function getExecutableName(){return thisProgram||"./this.program"}function getEnvStrings(){if(!getEnvStrings.strings){var lang=(typeof navigator=="object"&&navigator.languages&&navigator.languages[0]||"C").replace("-","_")+".UTF-8";var env={"USER":"web_user","LOGNAME":"web_user","PATH":"/","PWD":"/","HOME":"/home/web_user","LANG":lang,"_":getExecutableName()};for(var x in ENV){if(ENV[x]===undefined)delete env[x];else env[x]=ENV[x]}var strings=[];for(var x in env){strings.push(x+"="+env[x])}getEnvStrings.strings=strings}return getEnvStrings.strings}function writeAsciiToMemory(str,buffer,dontAddNull){for(var i=0;i<str.length;++i){HEAP8[buffer++>>0]=str.charCodeAt(i)}if(!dontAddNull)HEAP8[buffer>>0]=0}function _environ_get(__environ,environ_buf){var bufSize=0;getEnvStrings().forEach(function(string,i){var ptr=environ_buf+bufSize;HEAPU32[__environ+i*4>>2]=ptr;writeAsciiToMemory(string,ptr);bufSize+=string.length+1});return 0}function _environ_sizes_get(penviron_count,penviron_buf_size){var strings=getEnvStrings();HEAPU32[penviron_count>>2]=strings.length;var bufSize=0;strings.forEach(function(string){bufSize+=string.length+1});HEAPU32[penviron_buf_size>>2]=bufSize;return 0}function _fd_close(fd){try{var stream=SYSCALLS.getStreamFromFD(fd);FS.close(stream);return 0}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return e.errno}}function doReadv(stream,iov,iovcnt,offset){var ret=0;for(var i=0;i<iovcnt;i++){var ptr=HEAPU32[iov>>2];var len=HEAPU32[iov+4>>2];iov+=8;var curr=FS.read(stream,HEAP8,ptr,len,offset);if(curr<0)return-1;ret+=curr;if(curr<len)break;if(typeof offset!=="undefined"){offset+=curr}}return ret}function _fd_read(fd,iov,iovcnt,pnum){try{var stream=SYSCALLS.getStreamFromFD(fd);var num=doReadv(stream,iov,iovcnt);HEAPU32[pnum>>2]=num;return 0}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return e.errno}}function convertI32PairToI53Checked(lo,hi){return hi+2097152>>>0<4194305-!!lo?(lo>>>0)+hi*4294967296:NaN}function _fd_seek(fd,offset_low,offset_high,whence,newOffset){try{var offset=convertI32PairToI53Checked(offset_low,offset_high);if(isNaN(offset))return 61;var stream=SYSCALLS.getStreamFromFD(fd);FS.llseek(stream,offset,whence);tempI64=[stream.position>>>0,(tempDouble=stream.position,+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[newOffset>>2]=tempI64[0],HEAP32[newOffset+4>>2]=tempI64[1];if(stream.getdents&&offset===0&&whence===0)stream.getdents=null;return 0}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return e.errno}}function doWritev(stream,iov,iovcnt,offset){var ret=0;for(var i=0;i<iovcnt;i++){var ptr=HEAPU32[iov>>2];var len=HEAPU32[iov+4>>2];iov+=8;var curr=FS.write(stream,HEAP8,ptr,len,offset);if(curr<0)return-1;ret+=curr;if(typeof offset!=="undefined"){offset+=curr}}return ret}function _fd_write(fd,iov,iovcnt,pnum){try{var stream=SYSCALLS.getStreamFromFD(fd);var num=doWritev(stream,iov,iovcnt);HEAPU32[pnum>>2]=num;return 0}catch(e){if(typeof FS=="undefined"||!(e instanceof FS.ErrnoError))throw e;return e.errno}}function __isLeapYear(year){return year%4===0&&(year%100!==0||year%400===0)}function __arraySum(array,index){var sum=0;for(var i=0;i<=index;sum+=array[i++]){}return sum}var __MONTH_DAYS_LEAP=[31,29,31,30,31,30,31,31,30,31,30,31];var __MONTH_DAYS_REGULAR=[31,28,31,30,31,30,31,31,30,31,30,31];function __addDays(date,days){var newDate=new Date(date.getTime());while(days>0){var leap=__isLeapYear(newDate.getFullYear());var currentMonth=newDate.getMonth();var daysInCurrentMonth=(leap?__MONTH_DAYS_LEAP:__MONTH_DAYS_REGULAR)[currentMonth];if(days>daysInCurrentMonth-newDate.getDate()){days-=daysInCurrentMonth-newDate.getDate()+1;newDate.setDate(1);if(currentMonth<11){newDate.setMonth(currentMonth+1)}else{newDate.setMonth(0);newDate.setFullYear(newDate.getFullYear()+1)}}else{newDate.setDate(newDate.getDate()+days);return newDate}}return newDate}function writeArrayToMemory(array,buffer){HEAP8.set(array,buffer)}function _strftime(s,maxsize,format,tm){var tm_zone=HEAP32[tm+40>>2];var date={tm_sec:HEAP32[tm>>2],tm_min:HEAP32[tm+4>>2],tm_hour:HEAP32[tm+8>>2],tm_mday:HEAP32[tm+12>>2],tm_mon:HEAP32[tm+16>>2],tm_year:HEAP32[tm+20>>2],tm_wday:HEAP32[tm+24>>2],tm_yday:HEAP32[tm+28>>2],tm_isdst:HEAP32[tm+32>>2],tm_gmtoff:HEAP32[tm+36>>2],tm_zone:tm_zone?UTF8ToString(tm_zone):""};var pattern=UTF8ToString(format);var EXPANSION_RULES_1={"%c":"%a %b %d %H:%M:%S %Y","%D":"%m/%d/%y","%F":"%Y-%m-%d","%h":"%b","%r":"%I:%M:%S %p","%R":"%H:%M","%T":"%H:%M:%S","%x":"%m/%d/%y","%X":"%H:%M:%S","%Ec":"%c","%EC":"%C","%Ex":"%m/%d/%y","%EX":"%H:%M:%S","%Ey":"%y","%EY":"%Y","%Od":"%d","%Oe":"%e","%OH":"%H","%OI":"%I","%Om":"%m","%OM":"%M","%OS":"%S","%Ou":"%u","%OU":"%U","%OV":"%V","%Ow":"%w","%OW":"%W","%Oy":"%y"};for(var rule in EXPANSION_RULES_1){pattern=pattern.replace(new RegExp(rule,"g"),EXPANSION_RULES_1[rule])}var WEEKDAYS=["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"];var MONTHS=["January","February","March","April","May","June","July","August","September","October","November","December"];function leadingSomething(value,digits,character){var str=typeof value=="number"?value.toString():value||"";while(str.length<digits){str=character[0]+str}return str}function leadingNulls(value,digits){return leadingSomething(value,digits,"0")}function compareByDay(date1,date2){function sgn(value){return value<0?-1:value>0?1:0}var compare;if((compare=sgn(date1.getFullYear()-date2.getFullYear()))===0){if((compare=sgn(date1.getMonth()-date2.getMonth()))===0){compare=sgn(date1.getDate()-date2.getDate())}}return compare}function getFirstWeekStartDate(janFourth){switch(janFourth.getDay()){case 0:return new Date(janFourth.getFullYear()-1,11,29);case 1:return janFourth;case 2:return new Date(janFourth.getFullYear(),0,3);case 3:return new Date(janFourth.getFullYear(),0,2);case 4:return new Date(janFourth.getFullYear(),0,1);case 5:return new Date(janFourth.getFullYear()-1,11,31);case 6:return new Date(janFourth.getFullYear()-1,11,30)}}function getWeekBasedYear(date){var thisDate=__addDays(new Date(date.tm_year+1900,0,1),date.tm_yday);var janFourthThisYear=new Date(thisDate.getFullYear(),0,4);var janFourthNextYear=new Date(thisDate.getFullYear()+1,0,4);var firstWeekStartThisYear=getFirstWeekStartDate(janFourthThisYear);var firstWeekStartNextYear=getFirstWeekStartDate(janFourthNextYear);if(compareByDay(firstWeekStartThisYear,thisDate)<=0){if(compareByDay(firstWeekStartNextYear,thisDate)<=0){return thisDate.getFullYear()+1}return thisDate.getFullYear()}return thisDate.getFullYear()-1}var EXPANSION_RULES_2={"%a":function(date){return WEEKDAYS[date.tm_wday].substring(0,3)},"%A":function(date){return WEEKDAYS[date.tm_wday]},"%b":function(date){return MONTHS[date.tm_mon].substring(0,3)},"%B":function(date){return MONTHS[date.tm_mon]},"%C":function(date){var year=date.tm_year+1900;return leadingNulls(year/100|0,2)},"%d":function(date){return leadingNulls(date.tm_mday,2)},"%e":function(date){return leadingSomething(date.tm_mday,2," ")},"%g":function(date){return getWeekBasedYear(date).toString().substring(2)},"%G":function(date){return getWeekBasedYear(date)},"%H":function(date){return leadingNulls(date.tm_hour,2)},"%I":function(date){var twelveHour=date.tm_hour;if(twelveHour==0)twelveHour=12;else if(twelveHour>12)twelveHour-=12;return leadingNulls(twelveHour,2)},"%j":function(date){return leadingNulls(date.tm_mday+__arraySum(__isLeapYear(date.tm_year+1900)?__MONTH_DAYS_LEAP:__MONTH_DAYS_REGULAR,date.tm_mon-1),3)},"%m":function(date){return leadingNulls(date.tm_mon+1,2)},"%M":function(date){return leadingNulls(date.tm_min,2)},"%n":function(){return"\n"},"%p":function(date){if(date.tm_hour>=0&&date.tm_hour<12){return"AM"}return"PM"},"%S":function(date){return leadingNulls(date.tm_sec,2)},"%t":function(){return"\t"},"%u":function(date){return date.tm_wday||7},"%U":function(date){var days=date.tm_yday+7-date.tm_wday;return leadingNulls(Math.floor(days/7),2)},"%V":function(date){var val=Math.floor((date.tm_yday+7-(date.tm_wday+6)%7)/7);if((date.tm_wday+371-date.tm_yday-2)%7<=2){val++}if(!val){val=52;var dec31=(date.tm_wday+7-date.tm_yday-1)%7;if(dec31==4||dec31==5&&__isLeapYear(date.tm_year%400-1)){val++}}else if(val==53){var jan1=(date.tm_wday+371-date.tm_yday)%7;if(jan1!=4&&(jan1!=3||!__isLeapYear(date.tm_year)))val=1}return leadingNulls(val,2)},"%w":function(date){return date.tm_wday},"%W":function(date){var days=date.tm_yday+7-(date.tm_wday+6)%7;return leadingNulls(Math.floor(days/7),2)},"%y":function(date){return(date.tm_year+1900).toString().substring(2)},"%Y":function(date){return date.tm_year+1900},"%z":function(date){var off=date.tm_gmtoff;var ahead=off>=0;off=Math.abs(off)/60;off=off/60*100+off%60;return(ahead?"+":"-")+String("0000"+off).slice(-4)},"%Z":function(date){return date.tm_zone},"%%":function(){return"%"}};pattern=pattern.replace(/%%/g,"\0\0");for(var rule in EXPANSION_RULES_2){if(pattern.includes(rule)){pattern=pattern.replace(new RegExp(rule,"g"),EXPANSION_RULES_2[rule](date))}}pattern=pattern.replace(/\0\0/g,"%");var bytes=intArrayFromString(pattern,false);if(bytes.length>maxsize){return 0}writeArrayToMemory(bytes,s);return bytes.length-1}function _strftime_l(s,maxsize,format,tm,loc){return _strftime(s,maxsize,format,tm)}function _proc_exit(code){EXITSTATUS=code;if(!keepRuntimeAlive()){if(Module["onExit"])Module["onExit"](code);ABORT=true}quit_(code,new ExitStatus(code))}function exitJS(status,implicit){EXITSTATUS=status;_proc_exit(status)}function handleException(e){if(e instanceof ExitStatus||e=="unwind"){return EXITSTATUS}quit_(1,e)}function allocateUTF8OnStack(str){var size=lengthBytesUTF8(str)+1;var ret=stackAlloc(size);stringToUTF8Array(str,HEAP8,ret,size);return ret}var FSNode=function(parent,name,mode,rdev){if(!parent){parent=this}this.parent=parent;this.mount=parent.mount;this.mounted=null;this.id=FS.nextInode++;this.name=name;this.mode=mode;this.node_ops={};this.stream_ops={};this.rdev=rdev};var readMode=292|73;var writeMode=146;Object.defineProperties(FSNode.prototype,{read:{get:function(){return(this.mode&readMode)===readMode},set:function(val){val?this.mode|=readMode:this.mode&=~readMode}},write:{get:function(){return(this.mode&writeMode)===writeMode},set:function(val){val?this.mode|=writeMode:this.mode&=~writeMode}},isFolder:{get:function(){return FS.isDir(this.mode)}},isDevice:{get:function(){return FS.isChrdev(this.mode)}}});FS.FSNode=FSNode;FS.staticInit();Module["FS_createPath"]=FS.createPath;Module["FS_createDataFile"]=FS.createDataFile;Module["FS_createPreloadedFile"]=FS.createPreloadedFile;Module["FS_unlink"]=FS.unlink;Module["FS_createLazyFile"]=FS.createLazyFile;Module["FS_createDevice"]=FS.createDevice;embind_init_charCodes();BindingError=Module["BindingError"]=extendError(Error,"BindingError");InternalError=Module["InternalError"]=extendError(Error,"InternalError");init_emval();UnboundTypeError=Module["UnboundTypeError"]=extendError(Error,"UnboundTypeError");var decodeBase64=typeof atob=="function"?atob:function(input){var keyStr="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";var output="";var chr1,chr2,chr3;var enc1,enc2,enc3,enc4;var i=0;input=input.replace(/[^A-Za-z0-9\+\/\=]/g,"");do{enc1=keyStr.indexOf(input.charAt(i++));enc2=keyStr.indexOf(input.charAt(i++));enc3=keyStr.indexOf(input.charAt(i++));enc4=keyStr.indexOf(input.charAt(i++));chr1=enc1<<2|enc2>>4;chr2=(enc2&15)<<4|enc3>>2;chr3=(enc3&3)<<6|enc4;output=output+String.fromCharCode(chr1);if(enc3!==64){output=output+String.fromCharCode(chr2)}if(enc4!==64){output=output+String.fromCharCode(chr3)}}while(i<input.length);return output};function intArrayFromBase64(s){if(typeof ENVIRONMENT_IS_NODE=="boolean"&&ENVIRONMENT_IS_NODE){var buf=Buffer.from(s,"base64");return new Uint8Array(buf["buffer"],buf["byteOffset"],buf["byteLength"])}try{var decoded=decodeBase64(s);var bytes=new Uint8Array(decoded.length);for(var i=0;i<decoded.length;++i){bytes[i]=decoded.charCodeAt(i)}return bytes}catch(_){throw new Error("Converting base64 string to bytes failed.")}}var wasmImports={"__assert_fail":___assert_fail,"__cxa_throw":___cxa_throw,"__syscall_fcntl64":___syscall_fcntl64,"__syscall_ioctl":___syscall_ioctl,"__syscall_openat":___syscall_openat,"_embind_register_bigint":__embind_register_bigint,"_embind_register_bool":__embind_register_bool,"_embind_register_emval":__embind_register_emval,"_embind_register_float":__embind_register_float,"_embind_register_function":__embind_register_function,"_embind_register_integer":__embind_register_integer,"_embind_register_memory_view":__embind_register_memory_view,"_embind_register_std_string":__embind_register_std_string,"_embind_register_std_wstring":__embind_register_std_wstring,"_embind_register_void":__embind_register_void,"_emscripten_fs_load_embedded_files":__emscripten_fs_load_embedded_files,"abort":_abort,"emscripten_asm_const_int":_emscripten_asm_const_int,"emscripten_memcpy_big":_emscripten_memcpy_big,"emscripten_resize_heap":_emscripten_resize_heap,"environ_get":_environ_get,"environ_sizes_get":_environ_sizes_get,"fd_close":_fd_close,"fd_read":_fd_read,"fd_seek":_fd_seek,"fd_write":_fd_write,"strftime_l":_strftime_l};var asm=createWasm();var ___wasm_call_ctors=function(){return(___wasm_call_ctors=Module["asm"]["__wasm_call_ctors"]).apply(null,arguments)};var _main=Module["_main"]=function(){return(_main=Module["_main"]=Module["asm"]["__main_argc_argv"]).apply(null,arguments)};var _malloc=function(){return(_malloc=Module["asm"]["malloc"]).apply(null,arguments)};var ___getTypeName=Module["___getTypeName"]=function(){return(___getTypeName=Module["___getTypeName"]=Module["asm"]["__getTypeName"]).apply(null,arguments)};var __embind_initialize_bindings=Module["__embind_initialize_bindings"]=function(){return(__embind_initialize_bindings=Module["__embind_initialize_bindings"]=Module["asm"]["_embind_initialize_bindings"]).apply(null,arguments)};var ___errno_location=function(){return(___errno_location=Module["asm"]["__errno_location"]).apply(null,arguments)};var _free=function(){return(_free=Module["asm"]["free"]).apply(null,arguments)};var stackSave=function(){return(stackSave=Module["asm"]["stackSave"]).apply(null,arguments)};var stackRestore=function(){return(stackRestore=Module["asm"]["stackRestore"]).apply(null,arguments)};var stackAlloc=function(){return(stackAlloc=Module["asm"]["stackAlloc"]).apply(null,arguments)};var ___cxa_is_pointer_type=function(){return(___cxa_is_pointer_type=Module["asm"]["__cxa_is_pointer_type"]).apply(null,arguments)};var dynCall_fiij=Module["dynCall_fiij"]=function(){return(dynCall_fiij=Module["dynCall_fiij"]=Module["asm"]["dynCall_fiij"]).apply(null,arguments)};var dynCall_viijf=Module["dynCall_viijf"]=function(){return(dynCall_viijf=Module["dynCall_viijf"]=Module["asm"]["dynCall_viijf"]).apply(null,arguments)};var dynCall_jiji=Module["dynCall_jiji"]=function(){return(dynCall_jiji=Module["dynCall_jiji"]=Module["asm"]["dynCall_jiji"]).apply(null,arguments)};var dynCall_viijii=Module["dynCall_viijii"]=function(){return(dynCall_viijii=Module["dynCall_viijii"]=Module["asm"]["dynCall_viijii"]).apply(null,arguments)};var dynCall_iiiiij=Module["dynCall_iiiiij"]=function(){return(dynCall_iiiiij=Module["dynCall_iiiiij"]=Module["asm"]["dynCall_iiiiij"]).apply(null,arguments)};var dynCall_iiiiijj=Module["dynCall_iiiiijj"]=function(){return(dynCall_iiiiijj=Module["dynCall_iiiiijj"]=Module["asm"]["dynCall_iiiiijj"]).apply(null,arguments)};var dynCall_iiiiiijj=Module["dynCall_iiiiiijj"]=function(){return(dynCall_iiiiiijj=Module["dynCall_iiiiiijj"]=Module["asm"]["dynCall_iiiiiijj"]).apply(null,arguments)};var ___emscripten_embedded_file_data=Module["___emscripten_embedded_file_data"]=943176;Module["addRunDependency"]=addRunDependency;Module["removeRunDependency"]=removeRunDependency;Module["FS_createPath"]=FS.createPath;Module["FS_createDataFile"]=FS.createDataFile;Module["FS_createPreloadedFile"]=FS.createPreloadedFile;Module["FS_createLazyFile"]=FS.createLazyFile;Module["FS_createDevice"]=FS.createDevice;Module["FS_unlink"]=FS.unlink;var calledRun;dependenciesFulfilled=function runCaller(){if(!calledRun)run();if(!calledRun)dependenciesFulfilled=runCaller};function callMain(args=[]){var entryFunction=_main;args.unshift(thisProgram);var argc=args.length;var argv=stackAlloc((argc+1)*4);var argv_ptr=argv>>2;args.forEach(arg=>{HEAP32[argv_ptr++]=allocateUTF8OnStack(arg)});HEAP32[argv_ptr]=0;try{var ret=entryFunction(argc,argv);exitJS(ret,true);return ret}catch(e){return handleException(e)}}function run(args=arguments_){if(runDependencies>0){return}preRun();if(runDependencies>0){return}function doRun(){if(calledRun)return;calledRun=true;Module["calledRun"]=true;if(ABORT)return;initRuntime();preMain();readyPromiseResolve(Module);if(Module["onRuntimeInitialized"])Module["onRuntimeInitialized"]();if(shouldRunNow)callMain(args);postRun()}if(Module["setStatus"]){Module["setStatus"]("Running...");setTimeout(function(){setTimeout(function(){Module["setStatus"]("")},1);doRun()},1)}else{doRun()}}if(Module["preInit"]){if(typeof Module["preInit"]=="function")Module["preInit"]=[Module["preInit"]];while(Module["preInit"].length>0){Module["preInit"].pop()()}}var shouldRunNow=true;if(Module["noInitialRun"])shouldRunNow=false;run();
+
+
+  return fasttextmodule.ready
+}
+);
+})();
+if (typeof exports === 'object' && typeof module === 'object')
+  module.exports = fasttextmodule;
+else if (typeof define === 'function' && define['amd'])
+  define([], function() { return fasttextmodule; });
+else if (typeof exports === 'object')
+  exports["fasttextmodule"] = fasttextmodule;
diff --git a/src/lib/fasttextweb/fasttext-wasm.wasm b/src/lib/fasttextweb/fasttext-wasm.wasm
new file mode 100644
index 000000000..5590b1243
Binary files /dev/null and b/src/lib/fasttextweb/fasttext-wasm.wasm differ
diff --git a/src/lib/fasttextweb/fasttext.worker.ts b/src/lib/fasttextweb/fasttext.worker.ts
new file mode 100644
index 000000000..e19ec5153
--- /dev/null
+++ b/src/lib/fasttextweb/fasttext.worker.ts
@@ -0,0 +1,68 @@
+import { createWorkerInterface } from '../../util/createPostMessageInterface';
+import fasttextInitializer from './fasttext-wasm';
+import fasttextWasmPath from './fasttext-wasm.wasm';
+
+type FastTextMethods = {
+  makePrediction: (type: 'predict' | 'predict-prob', text: string, k: string, threshold: string) => Promise<string>;
+};
+
+const LABEL_PREFIX = '__label__';
+
+// Since webpack will change the name and potentially the path of the
+// `.wasm` file, we have to provide a `locateFile()` hook to redirect
+// to the appropriate URL.
+// More details: https://kripken.github.io/emscripten-site/docs/api_reference/module.html
+let fastTextInstance: FastTextMethods;
+const fastTextPromise = fasttextInitializer({
+  locateFile: (path: string, prefix: string) => {
+    if (path.endsWith('.wasm')) {
+      return fasttextWasmPath;
+    }
+    return prefix + path;
+  },
+}).then((fastText: FastTextMethods) => {
+  fastTextInstance = fastText;
+  // eslint-disable-next-line no-console
+  console.log('[FASTTEXT] Worker ready');
+});
+
+function parseLabel(label: string) {
+  return label.split('\n')[0].replace(LABEL_PREFIX, '').trim();
+}
+
+function parseLabelsWithProbabilities(labels: string) {
+  return labels.trim()
+    .split('\n')
+    .map((labelWithProb: string) => {
+      const [label, prob] = labelWithProb.split(' ');
+      return {
+        label: parseLabel(label),
+        prob: parseFloat(prob),
+      };
+    });
+}
+
+export async function detectLanguage(text: string, threshold: number) {
+  if (!fastTextInstance) await fastTextPromise;
+  const label = await fastTextInstance.makePrediction('predict', text, '1', threshold.toString());
+  if (!label.length) return undefined;
+  return parseLabel(label);
+}
+
+export async function detectLanguageProbability(text: string, labelsCount: number, threshold: number) {
+  if (!fastTextInstance) await fastTextPromise;
+  const labels = await fastTextInstance.makePrediction(
+    'predict-prob', text, labelsCount.toString(), threshold.toString(),
+  );
+  if (!labels.length) return undefined;
+  return parseLabelsWithProbabilities(labels);
+}
+
+const api = {
+  detectLanguage,
+  detectLanguageProbability,
+};
+
+createWorkerInterface(api);
+
+export type FastTextApi = typeof api;
diff --git a/src/lib/gramjs/tl/apiTl.js b/src/lib/gramjs/tl/apiTl.js
index df1b3b3eb..7d63f6667 100644
--- a/src/lib/gramjs/tl/apiTl.js
+++ b/src/lib/gramjs/tl/apiTl.js
@@ -1262,6 +1262,7 @@ messages.getMessageReactionsList#461b3f48 flags:# peer:InputPeer id:int reaction
 messages.setChatAvailableReactions#feb16771 peer:InputPeer available_reactions:ChatReactions = Updates;
 messages.getAvailableReactions#18dea0ac hash:int = messages.AvailableReactions;
 messages.setDefaultReaction#4f47a016 reaction:Reaction = Bool;
+messages.translateText#63183030 flags:# peer:flags.0?InputPeer id:flags.0?Vector<int> text:flags.1?Vector<TextWithEntities> to_lang:string = messages.TranslatedText;
 messages.getUnreadReactions#3223495b flags:# peer:InputPeer top_msg_id:flags.0?int offset_id:int add_offset:int limit:int max_id:int min_id:int = messages.Messages;
 messages.readReactions#54aa7f8e flags:# peer:InputPeer top_msg_id:flags.0?int = messages.AffectedHistory;
 messages.getAttachMenuBots#16fcc2cb hash:long = AttachMenuBots;
diff --git a/src/lib/gramjs/tl/static/api.json b/src/lib/gramjs/tl/static/api.json
index 3de677585..edc3fce5a 100644
--- a/src/lib/gramjs/tl/static/api.json
+++ b/src/lib/gramjs/tl/static/api.json
@@ -243,6 +243,7 @@
     "messages.setChatAvailableReactions",
     "messages.getAvailableReactions",
     "messages.setDefaultReaction",
+    "messages.translateText",
     "help.getAppConfig",
     "stats.getBroadcastStats",
     "stats.getMegagroupStats",
diff --git a/src/lib/rlottie/RLottie.ts b/src/lib/rlottie/RLottie.ts
index 8559603ce..c9d4360a6 100644
--- a/src/lib/rlottie/RLottie.ts
+++ b/src/lib/rlottie/RLottie.ts
@@ -1,7 +1,9 @@
+import type { RLottieApi } from './rlottie.worker';
+
 import {
   DPR, IS_SAFARI, IS_ANDROID, IS_IOS,
 } from '../../util/environment';
-import WorkerConnector from '../../util/WorkerConnector';
+import { createConnector } from '../../util/PostMessageConnector';
 import { animate } from '../../util/animation';
 import cycleRestrict from '../../util/cycleRestrict';
 import { fastRaf } from '../../util/schedulers';
@@ -30,7 +32,7 @@ const LOW_PRIORITY_CACHE_MODULO = 0;
 const instancesById = new Map<string, RLottie>();
 
 const workers = new Array(MAX_WORKERS).fill(undefined).map(
-  () => new WorkerConnector(new Worker(new URL('./rlottie.worker.ts', import.meta.url))),
+  () => createConnector<RLottieApi>(new Worker(new URL('./rlottie.worker.ts', import.meta.url))),
 );
 let lastWorkerIndex = -1;
 
@@ -108,7 +110,7 @@ class RLottie {
     onLoad: NoneToVoidFunction | undefined,
     private id: string,
     private tgsUrl: string,
-    private params: Params = {},
+    private params: Params = { },
     private customColor?: [number, number, number],
     private onEnded?: (isDestroyed?: boolean) => void,
     private onLoop?: () => void,
@@ -360,7 +362,7 @@ class RLottie {
         this.id,
         this.tgsUrl,
         this.imgSize,
-        this.params.isLowPriority,
+        this.params.isLowPriority || false,
         this.customColor,
         this.onRendererInit.bind(this),
       ],
@@ -395,7 +397,7 @@ class RLottie {
       args: [
         this.id,
         this.tgsUrl,
-        this.params.isLowPriority,
+        this.params.isLowPriority || false,
         this.onChangeData.bind(this),
       ],
     });
diff --git a/src/lib/rlottie/rlottie.worker.ts b/src/lib/rlottie/rlottie.worker.ts
index cf36e8dbb..25f0e12e6 100644
--- a/src/lib/rlottie/rlottie.worker.ts
+++ b/src/lib/rlottie/rlottie.worker.ts
@@ -1,6 +1,6 @@
 import { inflate } from 'pako/dist/pako_inflate';
-import createWorkerInterface from '../../util/createWorkerInterface';
-import type { CancellableCallback } from '../../util/WorkerConnector';
+import { createWorkerInterface } from '../../util/createPostMessageInterface';
+import type { CancellableCallback } from '../../util/PostMessageConnector';
 
 import 'script-loader!./rlottie-wasm';
 
@@ -164,9 +164,13 @@ function destroy(key: string, isRepeated = false) {
   }
 }
 
-createWorkerInterface({
+const api = {
   init,
   changeData,
   renderFrames,
   destroy,
-});
+};
+
+createWorkerInterface(api);
+
+export type RLottieApi = typeof api;
diff --git a/src/serviceWorker.ts b/src/serviceWorker.ts
index dabafc826..136ae3d1a 100644
--- a/src/serviceWorker.ts
+++ b/src/serviceWorker.ts
@@ -13,7 +13,7 @@ import { pause } from './util/schedulers';
 
 declare const self: ServiceWorkerGlobalScope;
 
-const NETWORK_FIRST_ASSETS = new Set(['/', '/rlottie-wasm.wasm', '/webp_wasm.wasm']);
+const RE_NETWORK_FIRST_ASSETS = /\.(wasm|html)$/;
 const RE_CACHE_FIRST_ASSETS = /[\da-f]{20}.*\.(js|css|woff2?|svg|png|jpg|jpeg|tgs|json|wasm)$/;
 const ACTIVATE_TIMEOUT = 3000;
 
@@ -64,7 +64,7 @@ self.addEventListener('fetch', (e: FetchEvent) => {
   }
 
   if (url.startsWith('http')) {
-    if (NETWORK_FIRST_ASSETS.has(new URL(url).pathname)) {
+    if (new URL(url).pathname === '/' || url.match(RE_NETWORK_FIRST_ASSETS)) {
       e.respondWith(respondWithCacheNetworkFirst(e));
       return true;
     }
diff --git a/src/styles/index.scss b/src/styles/index.scss
index 9d05d5024..ad8456625 100644
--- a/src/styles/index.scss
+++ b/src/styles/index.scss
@@ -125,6 +125,12 @@ body.cursor-ew-resize {
   }
 }
 
+.clearfix::after {
+  content: "";
+  clear: both;
+  display: table;
+}
+
 /*
  See the article for more information on this visually-hidden pattern.
  https://snook.ca/archives/html_and_css/hiding-content-for-accessibility
diff --git a/src/types/index.ts b/src/types/index.ts
index 94a745556..728ed8f7e 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -89,6 +89,9 @@ export interface ISettings extends NotifySettings, Record<string, any> {
   wasTimeFormatSetManually: boolean;
   isConnectionStatusMinimized: boolean;
   shouldArchiveAndMuteNewNonContact?: boolean;
+  canTranslate: boolean;
+  canTranslateChats: boolean;
+  doNotTranslate: string[];
 }
 
 export interface ApiPrivacySettings {
@@ -216,6 +219,7 @@ export enum SettingsScreens {
   Stickers,
   QuickReaction,
   CustomEmoji,
+  DoNotTranslate,
 }
 
 export type StickerSetOrRecent = Pick<ApiStickerSet, (
diff --git a/src/util/PostMessageConnector.ts b/src/util/PostMessageConnector.ts
new file mode 100644
index 000000000..0ba1ec228
--- /dev/null
+++ b/src/util/PostMessageConnector.ts
@@ -0,0 +1,216 @@
+import generateIdFor from './generateIdFor';
+
+export interface CancellableCallback {
+  (
+    ...args: any[]
+  ): void;
+
+  isCanceled?: boolean;
+  acceptsBuffer?: boolean;
+}
+
+type InitData = {
+  channel?: string;
+  type: 'init';
+  messageId?: string;
+  name: 'init';
+  args: any;
+};
+
+type CallMethodData = {
+  channel?: string;
+  type: 'callMethod';
+  messageId?: string;
+  name: string;
+  args: any;
+  withCallback?: boolean;
+};
+
+export type OriginMessageData = InitData | CallMethodData | {
+  channel?: string;
+  type: 'cancelProgress';
+  messageId: string;
+};
+
+export interface OriginMessageEvent {
+  data: OriginMessageData;
+}
+
+export type ApiUpdate =
+  { type: string }
+  & any;
+
+export type WorkerMessageData = {
+  channel?: string;
+  type: 'update';
+  update: ApiUpdate;
+} | {
+  channel?: string;
+  type: 'methodResponse';
+  messageId: string;
+  response?: any;
+  error?: { message: string };
+} | {
+  channel?: string;
+  type: 'methodCallback';
+  messageId: string;
+  callbackArgs: any[];
+} | {
+  channel?: string;
+  type: 'unhandledError';
+  error?: { message: string };
+};
+
+export interface WorkerMessageEvent {
+  data: WorkerMessageData;
+}
+
+interface RequestStates {
+  messageId: string;
+  resolve: Function;
+  reject: Function;
+  callback: AnyToVoidFunction;
+}
+
+type InputRequestTypes = Record<string, AnyFunction>;
+
+type Values<T> = T[keyof T];
+export type RequestTypes<T extends InputRequestTypes> = Values<{
+  [Name in keyof (T)]: {
+    name: Name & string;
+    args: Parameters<T[Name]>;
+  }
+}>;
+
+class ConnectorClass<T extends InputRequestTypes> {
+  private requestStates = new Map<string, RequestStates>();
+
+  private requestStatesByCallback = new Map<AnyToVoidFunction, RequestStates>();
+
+  constructor(
+    public target: Worker,
+    private onUpdate?: (update: ApiUpdate) => void,
+    private channel?: string,
+  ) {
+  }
+
+  // eslint-disable-next-line class-methods-use-this
+  public destroy() {
+  }
+
+  init(...args: any[]) {
+    this.postMessage({
+      type: 'init',
+      args,
+    });
+  }
+
+  request(messageData: RequestTypes<T>) {
+    const { requestStates, requestStatesByCallback } = this;
+
+    const messageId = generateIdFor(requestStates);
+    const payload: CallMethodData = {
+      type: 'callMethod',
+      messageId,
+      ...messageData,
+    };
+
+    const requestState = { messageId } as RequestStates;
+
+    // Re-wrap type because of `postMessage`
+    const promise: Promise<any> = new Promise((resolve, reject) => {
+      Object.assign(requestState, { resolve, reject });
+    });
+
+    if (typeof payload.args[payload.args.length - 1] === 'function') {
+      payload.withCallback = true;
+
+      const callback = payload.args.pop() as AnyToVoidFunction;
+      requestState.callback = callback;
+      requestStatesByCallback.set(callback, requestState);
+    }
+
+    requestStates.set(messageId, requestState);
+    promise
+      .catch(() => undefined)
+      .finally(() => {
+        requestStates.delete(messageId);
+
+        if (requestState.callback) {
+          requestStatesByCallback.delete(requestState.callback);
+        }
+      });
+
+    this.postMessage(payload);
+
+    return promise;
+  }
+
+  cancelCallback(progressCallback: CancellableCallback) {
+    progressCallback.isCanceled = true;
+
+    const { messageId } = this.requestStatesByCallback.get(progressCallback) || {};
+    if (!messageId) {
+      return;
+    }
+
+    this.postMessage({
+      type: 'cancelProgress',
+      messageId,
+    });
+  }
+
+  onMessage(data: WorkerMessageData) {
+    const { requestStates, channel } = this;
+    if (data.channel !== channel) {
+      return;
+    }
+
+    if (data.type === 'update' && this.onUpdate) {
+      this.onUpdate(data.update);
+    }
+    if (data.type === 'methodResponse') {
+      const requestState = requestStates.get(data.messageId);
+      if (requestState) {
+        if (data.error) {
+          requestState.reject(data.error);
+        } else {
+          requestState.resolve(data.response);
+        }
+      }
+    } else if (data.type === 'methodCallback') {
+      const requestState = requestStates.get(data.messageId);
+      requestState?.callback?.(...data.callbackArgs);
+    } else if (data.type === 'unhandledError') {
+      throw new Error(data.error?.message);
+    }
+  }
+
+  private postMessage(data: AnyLiteral) {
+    data.channel = this.channel;
+
+    this.target.postMessage(data);
+  }
+}
+
+export function createConnector<T extends InputRequestTypes>(
+  worker: Worker,
+  onUpdate?: (update: ApiUpdate) => void,
+  channel?: string,
+) {
+  const connector = new ConnectorClass<T>(worker, onUpdate, channel);
+
+  function handleMessage({ data }: WorkerMessageEvent) {
+    connector.onMessage(data);
+  }
+
+  worker.addEventListener('message', handleMessage);
+
+  connector.destroy = () => {
+    worker.removeEventListener('message', handleMessage);
+  };
+
+  return connector;
+}
+
+export type Connector<T extends InputRequestTypes> = ReturnType<typeof createConnector<T>>;
diff --git a/src/util/WorkerConnector.ts b/src/util/WorkerConnector.ts
deleted file mode 100644
index 2268a65d3..000000000
--- a/src/util/WorkerConnector.ts
+++ /dev/null
@@ -1,140 +0,0 @@
-import generateIdFor from './generateIdFor';
-
-export interface CancellableCallback {
-  (
-    ...args: any[]
-  ): void;
-
-  isCanceled?: boolean;
-  acceptsBuffer?: boolean;
-}
-
-type CallMethodData = {
-  type: 'callMethod';
-  messageId?: string;
-  name: string;
-  args: any;
-  withCallback?: boolean;
-};
-
-type OriginMessageData = CallMethodData | {
-  type: 'cancelProgress';
-  messageId: string;
-};
-
-export interface OriginMessageEvent {
-  data: OriginMessageData;
-}
-
-export type WorkerMessageData = {
-  type: 'methodResponse';
-  messageId: string;
-  response?: any;
-  error?: { message: string };
-} | {
-  type: 'methodCallback';
-  messageId: string;
-  callbackArgs: any[];
-} | {
-  type: 'unhandledError';
-  error?: { message: string };
-};
-
-export interface WorkerMessageEvent {
-  data: WorkerMessageData;
-}
-
-interface RequestStates {
-  messageId: string;
-  resolve: Function;
-  reject: Function;
-  callback: AnyToVoidFunction;
-}
-
-// TODO Replace `any` with proper generics
-export default class WorkerConnector {
-  private requestStates = new Map<string, RequestStates>();
-
-  private requestStatesByCallback = new Map<AnyToVoidFunction, RequestStates>();
-
-  constructor(private worker: Worker) {
-    this.subscribe();
-  }
-
-  request(messageData: { name: string; args: any }) {
-    const { worker, requestStates, requestStatesByCallback } = this;
-
-    const messageId = generateIdFor(requestStates);
-    const payload: CallMethodData = {
-      type: 'callMethod',
-      messageId,
-      ...messageData,
-    };
-
-    const requestState = { messageId } as RequestStates;
-
-    // Re-wrap type because of `postMessage`
-    const promise: Promise<any> = new Promise((resolve, reject) => {
-      Object.assign(requestState, { resolve, reject });
-    });
-
-    if (typeof payload.args[payload.args.length - 1] === 'function') {
-      payload.withCallback = true;
-
-      const callback = payload.args.pop() as AnyToVoidFunction;
-      requestState.callback = callback;
-      requestStatesByCallback.set(callback, requestState);
-    }
-
-    requestStates.set(messageId, requestState);
-    promise
-      .catch(() => undefined)
-      .finally(() => {
-        requestStates.delete(messageId);
-
-        if (requestState.callback) {
-          requestStatesByCallback.delete(requestState.callback);
-        }
-      });
-
-    worker.postMessage(payload);
-
-    return promise;
-  }
-
-  cancelCallback(progressCallback: CancellableCallback) {
-    progressCallback.isCanceled = true;
-
-    const { messageId } = this.requestStatesByCallback.get(progressCallback) || {};
-    if (!messageId) {
-      return;
-    }
-
-    this.worker.postMessage({
-      type: 'cancelProgress',
-      messageId,
-    });
-  }
-
-  private subscribe() {
-    const { worker, requestStates } = this;
-
-    worker.addEventListener('message', ({ data }: WorkerMessageEvent) => {
-      if (data.type === 'methodResponse') {
-        const requestState = requestStates.get(data.messageId);
-        if (requestState) {
-          if (data.error) {
-            requestState.reject(data.error);
-          } else {
-            requestState.resolve(data.response);
-          }
-        }
-      } else if (data.type === 'methodCallback') {
-        const requestState = requestStates.get(data.messageId);
-        requestState?.callback?.(...data.callbackArgs);
-      } else if (data.type === 'unhandledError') {
-        throw new Error(data.error?.message);
-      }
-    });
-  }
-}
diff --git a/src/util/createPostMessageInterface.ts b/src/util/createPostMessageInterface.ts
new file mode 100644
index 000000000..5cd8f4110
--- /dev/null
+++ b/src/util/createPostMessageInterface.ts
@@ -0,0 +1,144 @@
+import type {
+  CancellableCallback, OriginMessageEvent, OriginMessageData, WorkerMessageData, ApiUpdate,
+} from './PostMessageConnector';
+
+import { DEBUG } from '../config';
+
+declare const self: WorkerGlobalScope;
+
+const callbackState = new Map<string, CancellableCallback>();
+
+type ApiConfig =
+  ((name: string, ...args: any[]) => any | [any, ArrayBuffer[]])
+  | Record<string, Function>;
+type SendToOrigin = (data: WorkerMessageData, transferables?: Transferable[]) => void;
+
+export function createWorkerInterface(api: ApiConfig, channel?: string) {
+  function sendToOrigin(data: WorkerMessageData, transferables?: Transferable[]) {
+    data.channel = channel;
+
+    if (transferables) {
+      postMessage(data, transferables);
+    } else {
+      postMessage(data);
+    }
+  }
+
+  handleErrors(sendToOrigin);
+
+  onmessage = (message: OriginMessageEvent) => {
+    if (message.data?.channel === channel) {
+      onMessage(api, message.data, sendToOrigin);
+    }
+  };
+}
+
+async function onMessage(
+  api: ApiConfig,
+  data: OriginMessageData,
+  sendToOrigin: SendToOrigin,
+  onUpdate?: (update: ApiUpdate) => void,
+) {
+  if (!onUpdate) {
+    onUpdate = (update: ApiUpdate) => {
+      sendToOrigin({
+        type: 'update',
+        update,
+      });
+    };
+  }
+
+  switch (data.type) {
+    case 'init': {
+      const { args } = data;
+      const promise = typeof api === 'function'
+        ? api('init', onUpdate, ...args)
+        : api.init?.(onUpdate, ...args);
+      await promise;
+
+      break;
+    }
+    case 'callMethod': {
+      const {
+        messageId, name, args, withCallback,
+      } = data;
+      try {
+        if (messageId && withCallback) {
+          const callback = (...callbackArgs: any[]) => {
+            const lastArg = callbackArgs[callbackArgs.length - 1];
+
+            sendToOrigin({
+              type: 'methodCallback',
+              messageId,
+              callbackArgs,
+            }, isTransferable(lastArg) ? [lastArg] : undefined);
+          };
+
+          callbackState.set(messageId, callback);
+
+          args.push(callback as never);
+        }
+
+        const response = typeof api === 'function'
+          ? await api(name, ...args)
+          : await api[name](...args);
+        const { arrayBuffer } = (typeof response === 'object' && 'arrayBuffer' in response && response) || {};
+        if (messageId) {
+          sendToOrigin(
+            {
+              type: 'methodResponse',
+              messageId,
+              response,
+            },
+            arrayBuffer ? [arrayBuffer] : undefined,
+          );
+        }
+      } catch (error: any) {
+        if (DEBUG) {
+          // eslint-disable-next-line no-console
+          console.error(error);
+        }
+
+        if (messageId) {
+          sendToOrigin({
+            type: 'methodResponse',
+            messageId,
+            error: { message: error.message },
+          });
+        }
+      }
+
+      if (messageId) {
+        callbackState.delete(messageId);
+      }
+
+      break;
+    }
+    case 'cancelProgress': {
+      const callback = callbackState.get(data.messageId);
+      if (callback) {
+        callback.isCanceled = true;
+      }
+
+      break;
+    }
+  }
+}
+
+function isTransferable(obj: any) {
+  return obj instanceof ArrayBuffer || obj instanceof ImageBitmap;
+}
+
+function handleErrors(sendToOrigin: SendToOrigin) {
+  self.onerror = (e) => {
+    // eslint-disable-next-line no-console
+    console.error(e);
+    sendToOrigin({ type: 'unhandledError', error: { message: e.error.message || 'Uncaught exception in worker' } });
+  };
+
+  self.addEventListener('unhandledrejection', (e) => {
+    // eslint-disable-next-line no-console
+    console.error(e);
+    sendToOrigin({ type: 'unhandledError', error: { message: e.reason.message || 'Uncaught rejection in worker' } });
+  });
+}
diff --git a/src/util/createWorkerInterface.ts b/src/util/createWorkerInterface.ts
deleted file mode 100644
index 486872301..000000000
--- a/src/util/createWorkerInterface.ts
+++ /dev/null
@@ -1,105 +0,0 @@
-import type { CancellableCallback, OriginMessageEvent, WorkerMessageData } from './WorkerConnector';
-import { DEBUG } from '../config';
-
-declare const self: WorkerGlobalScope;
-
-handleErrors();
-
-const callbackState = new Map<string, CancellableCallback>();
-
-export default function createInterface(api: Record<string, Function>) {
-  onmessage = async (message: OriginMessageEvent) => {
-    const { data } = message;
-
-    switch (data.type) {
-      case 'callMethod': {
-        const {
-          messageId, name, args, withCallback,
-        } = data;
-        try {
-          if (messageId && withCallback) {
-            const callback = (...callbackArgs: any[]) => {
-              const lastArg = callbackArgs[callbackArgs.length - 1];
-
-              sendToOrigin({
-                type: 'methodCallback',
-                messageId,
-                callbackArgs,
-              }, isTransferable(lastArg) ? [lastArg] : undefined);
-            };
-
-            callbackState.set(messageId, callback);
-
-            args.push(callback as never);
-          }
-
-          const [response, arrayBuffers] = (await api[name](...args)) || [];
-
-          if (messageId) {
-            sendToOrigin(
-              {
-                type: 'methodResponse',
-                messageId,
-                response,
-              },
-              arrayBuffers,
-            );
-          }
-        } catch (error: any) {
-          if (DEBUG) {
-            // eslint-disable-next-line no-console
-            console.error(error);
-          }
-
-          if (messageId) {
-            sendToOrigin({
-              type: 'methodResponse',
-              messageId,
-              error: { message: error.message },
-            });
-          }
-        }
-
-        if (messageId) {
-          callbackState.delete(messageId);
-        }
-
-        break;
-      }
-      case 'cancelProgress': {
-        const callback = callbackState.get(data.messageId);
-        if (callback) {
-          callback.isCanceled = true;
-        }
-
-        break;
-      }
-    }
-  };
-}
-
-function isTransferable(obj: any) {
-  return obj instanceof ArrayBuffer || obj instanceof ImageBitmap;
-}
-
-function handleErrors() {
-  self.onerror = (e) => {
-    // eslint-disable-next-line no-console
-    console.error(e);
-    sendToOrigin({ type: 'unhandledError', error: { message: e.error.message || 'Uncaught exception in worker' } });
-  };
-
-  self.addEventListener('unhandledrejection', (e) => {
-    // eslint-disable-next-line no-console
-    console.error(e);
-    sendToOrigin({ type: 'unhandledError', error: { message: e.reason.message || 'Uncaught rejection in worker' } });
-  });
-}
-
-function sendToOrigin(data: WorkerMessageData, transferables?: Transferable[]) {
-  if (transferables) {
-    postMessage(data, transferables);
-  } else {
-    postMessage(data);
-  }
-}
diff --git a/src/util/environment.ts b/src/util/environment.ts
index 5ac54d81a..61f96fcfc 100644
--- a/src/util/environment.ts
+++ b/src/util/environment.ts
@@ -113,6 +113,7 @@ export const IS_COMPACT_MENU = !IS_TOUCH_ENV;
 export const IS_SCROLL_PATCH_NEEDED = !IS_MAC_OS && !IS_IOS && !IS_ANDROID;
 export const IS_INSTALL_PROMPT_SUPPORTED = 'onbeforeinstallprompt' in window;
 export const IS_MULTITAB_SUPPORTED = 'BroadcastChannel' in window;
+export const IS_TRANSLATION_SUPPORTED = Boolean(Intl.DisplayNames);
 
 // Smaller area reduces scroll jumps caused by `patchChromiumScroll`
 export const MESSAGE_LIST_SENSITIVE_AREA = IS_SCROLL_PATCH_NEEDED ? 300 : 750;
diff --git a/src/util/iteratees.ts b/src/util/iteratees.ts
index ce0196837..3f9842663 100644
--- a/src/util/iteratees.ts
+++ b/src/util/iteratees.ts
@@ -117,6 +117,17 @@ export function split<T extends any>(array: T[], chunkSize: number) {
   return result;
 }
 
+export function partition<T extends unknown>(
+  array: T[], filter: (value: T, index: number, array: T[]) => boolean,
+): [T[], T[]] {
+  const pass: T[] = [];
+  const fail: T[] = [];
+
+  array.forEach((e, idx, arr) => (filter(e, idx, arr) ? pass : fail).push(e));
+
+  return [pass, fail];
+}
+
 export function cloneDeep<T>(value: T): T {
   if (!isObject(value)) {
     return value;
diff --git a/src/util/languageDetection.ts b/src/util/languageDetection.ts
new file mode 100644
index 000000000..af68b4f3c
--- /dev/null
+++ b/src/util/languageDetection.ts
@@ -0,0 +1,38 @@
+import type { FastTextApi } from '../lib/fasttextweb/fasttext.worker';
+import type { Connector } from './PostMessageConnector';
+
+import { createConnector } from './PostMessageConnector';
+import Deferred from './Deferred';
+
+const WORKER_INIT_DELAY = 4000;
+
+const DEFAULT_THRESHOLD = 0.2;
+const DEFAULT_LABELS_COUNT = 5;
+
+let worker: Connector<FastTextApi> | undefined;
+const initializationDeferred = new Deferred();
+
+setTimeout(initWorker, WORKER_INIT_DELAY);
+
+function initWorker() {
+  if (!worker) {
+    worker = createConnector<FastTextApi>(
+      new Worker(new URL('../lib/fasttextweb/fasttext.worker.ts', import.meta.url)),
+    );
+    initializationDeferred.resolve();
+  }
+}
+
+export async function detectLanguage(text: string, threshold = DEFAULT_THRESHOLD) {
+  if (!worker) await initializationDeferred.promise;
+  const result = await worker!.request({ name: 'detectLanguage', args: [text, threshold] });
+  return result;
+}
+
+export async function detectLanguageProbability(
+  text: string, labelsCount = DEFAULT_LABELS_COUNT, threshold = DEFAULT_THRESHOLD,
+) {
+  if (!worker) await initializationDeferred.promise;
+  const result = await worker!.request({ name: 'detectLanguageProbability', args: [text, labelsCount, threshold] });
+  return result;
+}