/
MemoriWidget.tsx
2532 lines (2350 loc) · 72.7 KB
/
MemoriWidget.tsx
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// Typings
import {
DialogState,
Memori,
Integration,
Venue,
Message,
Medium,
OpenSession,
MemoriConfig,
TranslatedHint,
Invitation,
GamificationLevel,
Tenant,
Asset,
} from '@memori.ai/memori-api-client/src/types';
import {
SpeakerAudioDestination,
SpeechConfig,
SpeechSynthesizer,
SpeechRecognizer,
} from 'microsoft-cognitiveservices-speech-sdk';
// Libraries
import React, {
useState,
useEffect,
useCallback,
CSSProperties,
useRef,
} from 'react';
import { useTranslation } from 'react-i18next';
import memoriApiClient from '@memori.ai/memori-api-client';
import { AudioContext, IAudioContext } from 'standardized-audio-context';
import * as speechSdk from 'microsoft-cognitiveservices-speech-sdk';
import cx from 'classnames';
// UI
// TODO: Implement this
import message from '../ui/Message';
// Components
import PositionDrawer from '../PositionDrawer/PositionDrawer';
import MemoriAuth from '../Auth/Auth';
import Chat from '../Chat/Chat';
import StartPanel from '../StartPanel/StartPanel';
import Avatar from '../Avatar/Avatar';
import ChangeMode from '../ChangeMode/ChangeMode';
import Header from '../Header/Header';
import AttachmentMediaModal from '../AttachmentMediaModal/AttachmentMediaModal';
import AttachmentLinkModal from '../AttachmentLinkModal/AttachmentLinkModal';
import PoweredBy from '../PoweredBy/PoweredBy';
// Layout
import FullPageLayout from '../layouts/FullPage';
import TotemLayout from '../layouts/Totem';
// Helpers / Utils
import { getTranslation } from '../../helpers/translations';
import { setLocalConfig, getLocalConfig } from '../../helpers/configuration';
import { hasTouchscreen, stripDuplicates } from '../../helpers/utils';
import { anonTag } from '../../helpers/constants';
import { getErrori18nKey } from '../../helpers/error';
import { getGamificationLevel } from '../../helpers/statistics';
import AgeVerificationModal from '../AgeVerificationModal/AgeVerificationModal';
import SettingsDrawer from '../SettingsDrawer/SettingsDrawer';
// Widget utilities and helpers
const getMemoriState = (integrationId?: string): object | null => {
let widget = integrationId
? document.querySelector(
`.memori-widget[data-memori-integration="${integrationId}"]`
) ||
document
.querySelector('memori-client')
?.shadowRoot?.querySelector(`.memori-widget[data-memori-integration]`)
: document.querySelector('.memori-widget') ||
document
.querySelector('memori-client')
?.shadowRoot?.querySelector('.memori-widget');
if (!widget) return null;
let engineState = (widget as HTMLElement).dataset?.memoriEngineState;
if (!engineState) return null;
let dialogState = JSON.parse(engineState);
return dialogState;
};
function setNativeValue(element: Element, value: string) {
const valueSetter = Object?.getOwnPropertyDescriptor?.(element, 'value')?.set;
const prototype = Object.getPrototypeOf(element);
const prototypeValueSetter = Object?.getOwnPropertyDescriptor?.(
prototype,
'value'
)?.set;
if (
prototypeValueSetter &&
valueSetter &&
valueSetter !== prototypeValueSetter
) {
prototypeValueSetter.call(element, value);
} else if (valueSetter) {
valueSetter.call(element, value);
}
}
const typeMessage = (message: string) => {
let textarea =
document.querySelector('fieldset#chat-fieldset textarea') ||
document
.querySelector('memori-client')
?.shadowRoot?.querySelector('fieldset#chat-fieldset textarea');
if (!textarea) return;
setNativeValue(textarea, message);
textarea.dispatchEvent(new Event('input', { bubbles: true }));
setTimeout(() => {
let sendButton =
document.querySelector('button.memori-chat-inputs--send') ||
document
.querySelector('memori-client')
?.shadowRoot?.querySelector('button.memori-chat-inputs--send');
if (!sendButton) return;
(sendButton as HTMLButtonElement).click();
}, 100);
};
declare global {
interface Window {
getMemoriState: typeof getMemoriState;
typeMessage: typeof typeMessage;
}
}
window.getMemoriState = getMemoriState;
window.typeMessage = typeMessage;
// Global variables
let recognizer: SpeechRecognizer | null;
let speechConfig: SpeechConfig;
let speechSynthesizer: SpeechSynthesizer | null;
let audioDestination: SpeakerAudioDestination;
let audioContext: IAudioContext;
export interface LayoutProps {
header?: JSX.Element | null;
avatar: JSX.Element;
chat?: JSX.Element | null;
startPanel: JSX.Element;
integrationStyle?: JSX.Element | null;
integrationBackground?: JSX.Element | null;
changeMode?: JSX.Element | null;
poweredBy?: JSX.Element | null;
sessionId?: string;
hasUserActivatedSpeak?: boolean;
showInstruct?: boolean;
loading?: boolean;
}
export interface Props {
memori: Memori;
memoriConfigs?: MemoriConfig[];
memoriLang?: string;
integration?: Integration;
layout?: 'DEFAULT' | 'FULLPAGE' | 'TOTEM';
customLayout?: React.FC<LayoutProps>;
showShare?: boolean;
showInstruct?: boolean;
showInputs?: boolean;
showDates?: boolean;
showContextPerLine?: boolean;
showSettings?: boolean;
preview?: boolean;
embed?: boolean;
height?: number | string;
secret?: string;
baseUrl?: string;
apiUrl?: string;
initialContextVars?: { [key: string]: string };
initialQuestion?: string;
ogImage?: string;
sessionID?: string;
tenant?: Tenant;
personification?: {
name?: string;
tag: string;
pin: string;
};
authToken?: string;
AZURE_COGNITIVE_SERVICES_TTS_KEY?: string;
onStateChange?: (state?: DialogState) => void;
}
const MemoriWidget = ({
memori,
memoriConfigs,
memoriLang,
integration,
layout = 'DEFAULT',
customLayout,
showInstruct = false,
showShare = true,
preview = false,
embed = false,
showInputs = true,
showDates = false,
showContextPerLine = false,
showSettings = true,
height = '100vh',
secret,
baseUrl = 'https://app.twincreator.com',
apiUrl = 'https://backend.memori.ai',
initialContextVars,
initialQuestion,
ogImage,
sessionID: initialSessionID,
tenant,
personification,
authToken,
AZURE_COGNITIVE_SERVICES_TTS_KEY,
onStateChange,
}: Props) => {
const { t, i18n } = useTranslation();
const [isClient, setIsClient] = useState(false);
useEffect(() => {
setIsClient(true);
}, []);
// API calls methods
const client = memoriApiClient(apiUrl);
const {
initSession,
postTextEnteredEvent,
postPlaceChangedEvent,
postTimeoutEvent,
postTagChangedEvent,
getSession,
getContentQualityIndexes,
} = client;
const [instruct, setInstruct] = useState(false);
const [clickedStart, setClickedStart] = useState(false);
const [gotErrorInOpening, setGotErrorInOpening] = useState(false);
const language = memoriConfigs
?.find(c => c.memoriConfigID === memori.memoriConfigurationID)
?.culture?.split('-')?.[0]
?.toUpperCase();
// eslint-disable-next-line
const [userLang, setUserLang] = useState(
memoriLang ??
memori?.culture?.split('-')?.[0] ??
language ??
i18n.language ??
'IT'
);
const integrationConfig = integration?.customData
? JSON.parse(integration.customData)
: null;
const isMultilanguageEnabled = !!integrationConfig?.multilanguage;
const [loading, setLoading] = useState(false);
const [memoriTyping, setMemoriTyping] = useState(false);
const selectedLayout = layout || integrationConfig?.layout || 'DEFAULT';
const [hasUserActivatedSpeak, setHasUserActivatedSpeak] = useState(false);
const [hasUserActivatedListening, setHasUserActivatedListening] =
useState(false);
const [showPositionDrawer, setShowPositionDrawer] = useState(false);
const [showSettingsDrawer, setShowSettingsDrawer] = useState(false);
const [muteSpeaker, setMuteSpeaker] = useState(false);
const [continuousSpeech, setContinuousSpeech] = useState(true);
const [continuousSpeechTimeout, setContinuousSpeechTimeout] = useState(2);
const [isPlayingAudio, setIsPlayingAudio] = useState(false);
const [controlsPosition, setControlsPosition] = useState<'center' | 'bottom'>(
'center'
);
const [hideEmissions, setHideEmissions] = useState(false);
useEffect(() => {
setIsPlayingAudio(!!speechSynthesizer);
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [speechSynthesizer]);
useEffect(() => {
let defaultControlsPosition: 'center' | 'bottom' = 'bottom';
if (window.innerWidth < 768) {
// on mobile, default position is bottom
defaultControlsPosition = 'bottom';
} else if (
window.matchMedia('(orientation: portrait)').matches ||
window.innerHeight > window.innerWidth
) {
// on portrait, default position is center
defaultControlsPosition = 'center';
} else {
// on landscape, default position is bottom
defaultControlsPosition = 'bottom';
}
setMuteSpeaker(getLocalConfig('muteSpeaker', false));
setContinuousSpeech(getLocalConfig('continuousSpeech', true));
setContinuousSpeechTimeout(getLocalConfig('continuousSpeechTimeout', 2));
setControlsPosition(
getLocalConfig('controlsPosition', defaultControlsPosition)
);
setHideEmissions(getLocalConfig('hideEmissions', false));
}, []);
/**
* Auth for private and secret memori
*/
const [memoriPwd, setMemoriPwd] = useState<string | undefined>(secret);
const [memoriTokens, setMemoriTokens] = useState<string[] | undefined>();
const [authModalState, setAuthModalState] = useState<
null | 'password' | 'tokens'
>(null);
/**
* Position drawer
*/
const [position, _setPosition] = useState<Venue>();
const applyPosition = async (venue?: Venue, sessionID?: string) => {
const session = sessionID ?? sessionId;
if (venue && session) {
const { currentState, ...response } = await postPlaceChangedEvent({
sessionId: session,
placeName: venue.placeName,
latitude: venue.latitude,
longitude: venue.longitude,
uncertaintyKm: venue.uncertainty ?? 0,
});
if (currentState && response.resultCode === 0) {
setCurrentDialogState({ ...currentDialogState, ...currentState });
}
}
};
const setPosition = (venue?: Venue) => {
_setPosition(venue);
applyPosition(venue);
};
/**
* History e gestione invio messaggi
*/
const [userMessage, setUserMessage] = useState<string>('');
const onChangeUserMessage = (value: string) => {
if (!value || value === '\n' || value.trim() === '') {
setUserMessage('');
resetInteractionTimeout();
return;
}
setUserMessage(value);
clearInteractionTimeout();
};
const [listening, setListening] = useState(false);
const [history, setHistory] = useState<Message[]>([]);
const pushMessage = (message: Message) => {
setHistory(history => [...history, { ...message }]);
};
const sendMessage = async (
text: string,
media?: Medium[],
newSessionId?: string,
translate: boolean = true,
translatedText?: string
) => {
if (!sessionId || !text?.length) return;
pushMessage({
text: text,
translatedText,
fromUser: true,
media: media ?? [],
initial: !!newSessionId,
});
setMemoriTyping(true);
const language = memori.culture?.split('-')?.[0] ?? i18n.language ?? 'IT';
let msg = text;
if (
translate &&
!instruct &&
isMultilanguageEnabled &&
userLang.toUpperCase() !== language.toUpperCase()
) {
const translation = await getTranslation(
text,
language,
userLang,
baseUrl
);
msg = translation.text;
}
const { currentState, ...response } = await postTextEnteredEvent({
sessionId: newSessionId ?? sessionId,
text: msg,
});
if (response.resultCode === 0 && currentState) {
const emission = currentState.emission ?? currentDialogState?.emission;
if (currentState.state === 'X4' && memori.giverTag) {
const { currentState, ...resp } = await postTagChangedEvent(
sessionId,
memori.giverTag
);
if (resp.resultCode === 0) {
setCurrentDialogState(currentState);
if (currentState.emission) {
pushMessage({
text: currentState.emission,
media: currentState.media,
fromUser: false,
});
speak(currentState.emission);
}
} else {
console.error(response, resp);
message.error(t(getErrori18nKey(resp.resultCode)));
}
} else if (currentState.state === 'X2d' && memori.giverTag) {
const { currentState, ...resp } = await postTextEnteredEvent({
sessionId: newSessionId ?? sessionId,
text: Math.random().toString().substring(2, 8),
});
if (resp.resultCode === 0) {
const { currentState, ...resp } = await postTagChangedEvent(
sessionId,
memori.giverTag
);
if (resp.resultCode === 0) {
setCurrentDialogState(currentState);
if (currentState.emission) {
pushMessage({
text: currentState.emission,
media: currentState.media,
fromUser: false,
});
speak(currentState.emission);
}
} else {
console.error(response, resp);
message.error(t(getErrori18nKey(resp.resultCode)));
}
} else {
console.error(response, resp);
message.error(t(getErrori18nKey(resp.resultCode)));
}
} else if (
userLang.toLowerCase() !== language.toLowerCase() &&
emission &&
!instruct &&
isMultilanguageEnabled
) {
translateDialogState(currentState, userLang).then(ts => {
if (ts.emission) {
speak(ts.emission);
}
});
} else {
setCurrentDialogState({
...currentState,
emission,
});
if (emission) {
pushMessage({
text: emission,
media: currentState.media,
fromUser: false,
generatedByAI: !!currentState.completion,
});
speak(emission);
}
}
} else if (response.resultCode === 404) {
// remove last sent message, will set it as initial
setHistory(h => [...h.slice(0, h.length - 1)]);
// post session timeout -> Z0/A0 -> restart session and re-send msg
reopenSession(
false,
memoriPwd || memori.secretToken,
memoriTokens,
instruct && memori.giverTag ? memori.giverTag : undefined,
instruct && memori.giverPIN ? memori.giverPIN : undefined,
initialContextVars,
initialQuestion
).then(state => {
console.info('session timeout');
if (state?.sessionID) {
setTimeout(() => {
sendMessage(text, media, state?.sessionID);
}, 500);
}
});
}
setMemoriTyping(false);
};
/**
* Traduzioni istantanee
*/
const translateDialogState = async (state: DialogState, userLang: string) => {
const language = memori.culture?.split('-')?.[0] ?? i18n.language ?? 'IT';
const emission = state.emission ?? currentDialogState?.emission;
let translatedState = { ...state };
let translatedMsg = null;
if (
!emission ||
instruct ||
language.toUpperCase() === userLang.toUpperCase() ||
!isMultilanguageEnabled
) {
translatedState = { ...state, emission };
if (emission) {
translatedMsg = {
text: emission,
media: state.media,
fromUser: false,
};
}
} else {
const t = await getTranslation(emission, userLang, language, baseUrl);
if (state.hints && state.hints.length > 0) {
const translatedHints = await Promise.all(
(state.hints ?? []).map(async hint => {
const tHint = await getTranslation(
hint,
userLang,
language,
baseUrl
);
return {
text: tHint?.text ?? hint,
originalText: hint,
} as TranslatedHint;
})
);
translatedState = {
...state,
emission: t.text,
translatedHints,
};
} else {
translatedState = {
...state,
emission: t.text,
hints:
state.hints ??
(state.state === 'G1' ? currentDialogState?.hints : []),
};
}
if (t.text.length > 0)
translatedMsg = {
text: t.text,
media: state.media,
fromUser: false,
generatedByAI: !!state.completion,
};
}
setCurrentDialogState(translatedState);
if (translatedMsg) {
pushMessage(translatedMsg);
}
return translatedState;
};
/**
* Age verification
*/
const minAge = memori.ageRestriction
? memori.ageRestriction
: memori.nsfw
? 18
: memori.enableCompletions
? 14
: 0;
const [birthDate, setBirthDate] = useState<string | undefined>();
const [showAgeVerification, setShowAgeVerification] = useState(false);
/**
* Sessione
*/
const [sessionId, setSessionId] = useState<string | undefined>(
initialSessionID
);
const [currentDialogState, _setCurrentDialogState] = useState<DialogState>();
const setCurrentDialogState = (state?: DialogState) => {
_setCurrentDialogState(state);
if (onStateChange) {
onStateChange(state);
}
};
const fetchSession = async (
params: OpenSession
): Promise<{
dialogState: DialogState;
sessionID: string;
} | void> => {
if (
memori.privacyType !== 'PUBLIC' &&
!memori.secretToken &&
!memoriPwd &&
!memoriTokens
) {
setAuthModalState('password');
return;
}
let storageBirthDate = getLocalConfig<string | undefined>(
'birthDate',
undefined
);
if (!(birthDate || storageBirthDate) && !!minAge) {
setShowAgeVerification(true);
return;
}
setLoading(true);
try {
if (!memori.giverTag && !!memori.receivedInvitations?.length) {
let giverInvitation = memori.receivedInvitations.find(
(i: Invitation) => i.type === 'GIVER' && i.state === 'ACCEPTED'
);
if (giverInvitation) {
memori.giverTag = giverInvitation.tag;
memori.giverPIN = giverInvitation.pin;
}
}
const session = await initSession(params);
if (
session?.sessionID &&
session?.currentState &&
session.resultCode === 0
) {
setSessionId(session.sessionID);
if (position) applyPosition(position, session.sessionID);
setLoading(false);
return {
dialogState: session.currentState,
sessionID: session.sessionID,
} as { dialogState: DialogState; sessionID: string };
} else if (
session?.resultMessage.startsWith('This Memori is aged restricted')
) {
console.error(session);
message.error(t('underageTwinSession', { age: minAge }));
setGotErrorInOpening(true);
} else {
console.error(session);
message.error(t(getErrori18nKey(session?.resultCode)));
setGotErrorInOpening(true);
}
} catch (err) {
console.error(err);
new Error('Error fetching session');
}
};
const reopenSession = async (
updateDialogState: boolean = false,
password?: string,
recoveryTokens?: string[],
tag?: string,
pin?: string,
initialContextVars?: { [key: string]: string },
initialQuestion?: string,
birthDate?: string
) => {
setLoading(true);
try {
let storageBirthDate = getLocalConfig<string | undefined>(
'birthDate',
undefined
);
const { sessionID, currentState, ...response } = await initSession({
memoriID: memori.engineMemoriID ?? '',
password,
recoveryTokens,
tag,
pin,
initialContextVars,
initialQuestion,
birthDate: birthDate || storageBirthDate || undefined,
});
if (sessionID && currentState && response.resultCode === 0) {
setSessionId(sessionID);
if (updateDialogState) {
setCurrentDialogState(currentState);
if (currentState.emission) {
history.length <= 1
? setHistory([
{
text: currentState.emission,
media: currentState.media,
fromUser: false,
},
])
: pushMessage({
text: currentState.emission,
media: currentState.media,
fromUser: false,
});
}
}
if (position) applyPosition(position, sessionID);
setLoading(false);
return {
dialogState: currentState,
sessionID,
};
} else if (
response?.resultMessage.startsWith('This Memori is aged restricted')
) {
console.error(response);
message.error(t('underageTwinSession', { age: minAge }));
setGotErrorInOpening(true);
} else {
console.error(response);
message.error(t(getErrori18nKey(response.resultCode)));
setGotErrorInOpening(true);
}
} catch (err) {
console.error(err);
}
setLoading(false);
return null;
};
const changeTag = async (
memoriId: string,
sessionId: string,
tag?: string,
pin?: string
) => {
if (!memoriId || !sessionId) {
console.error('CHANGETAG/Session not found');
return Promise.reject('Session not found');
}
try {
const { currentState, resultCode } = await postTagChangedEvent(
sessionId,
tag ?? anonTag
);
if (resultCode === 0) {
let textResult = 0;
if (
tag !== anonTag &&
pin &&
(currentState.state === 'X1a' || currentState.state === 'X1b')
) {
const { resultCode: textResultCode } = await postTextEnteredEvent({
sessionId,
text: pin ?? '',
});
textResult = textResultCode;
}
if (textResult === 0) {
const { currentState, ...response } = await getSession(sessionId);
if (response.resultCode === 0 && !!currentState) {
return {
currentState,
sessionId,
...response,
};
}
} else if ([400, 401, 403, 404, 500].includes(resultCode)) {
console.warn('[APPCONTEXT/CHANGETAG]', resultCode);
let storageBirthDate = getLocalConfig<string | undefined>(
'birthDate',
undefined
);
fetchSession({
memoriID: memori.engineMemoriID ?? '',
password: secret || memori.secretToken,
tag: memori.giverTag,
pin: memori.giverPIN,
initialContextVars,
initialQuestion,
birthDate: birthDate || storageBirthDate || undefined,
});
} else if (!!currentState) {
return {
currentState,
sessionId,
resultCode,
};
}
}
} catch (_e) {
let err = _e as Error;
console.error('[APPCONTEXT/CHANGETAG]', err);
return Promise.reject(err);
}
return null;
};
const restoreGiverTag = async () => {
if (sessionId && memori.giverTag && memori.giverPIN) {
setHistory([]);
await changeTag(
memori.engineMemoriID!,
sessionId,
memori.giverTag,
memori.giverPIN
);
}
};
useEffect(() => {
return () => {
if (
!currentDialogState ||
currentDialogState?.currentTag !== memori.giverTag
)
restoreGiverTag();
};
// eslint-disable-next-line react-hooks/exhaustive-deps
}, []);
/**
* Timeout conversazione
*/
const [userInteractionTimeout, setUserInteractionTimeout] =
useState<NodeJS.Timeout>();
const timeoutRef = useRef<NodeJS.Timeout>();
const clearInteractionTimeout = () => {
if (userInteractionTimeout) {
clearTimeout(userInteractionTimeout);
setUserInteractionTimeout(undefined);
}
if (timeoutRef?.current) {
clearTimeout(timeoutRef.current);
timeoutRef.current = undefined;
}
};
const resetInteractionTimeout = () => {
clearInteractionTimeout();
if (
currentDialogState?.acceptsTimeout &&
!speechSynthesizer &&
!isPlayingAudio &&
!userMessage.length &&
!listening
)
setInteractionTimeout();
};
const handleTimeout = async () => {
if (
!!speechSynthesizer ||
isPlayingAudio ||
!!userMessage.length ||
listening
) {
resetInteractionTimeout();
return;
} else if (
sessionId &&
hasUserActivatedSpeak &&
currentDialogState?.acceptsTimeout
) {
const { currentState, ...response } = await postTimeoutEvent(sessionId);
if (response.resultCode === 0 && currentState) {
const emission = currentState.emission;
if (
!instruct &&
isMultilanguageEnabled &&
userLang !== i18n?.language &&
emission &&
emission.length > 0
) {
translateDialogState(
{ ...currentState, emission: emission },
userLang
).then(ts => {
if (ts.emission) {
speak(ts.emission);
}
});
} else if (emission && emission.length > 0) {
pushMessage({
text: emission,
media: currentState.media,
fromUser: false,
generatedByAI: !!currentState.completion,
});
speak(emission);
setCurrentDialogState({
...currentState,
hints:
currentState.hints ??
(currentState.state === 'G1' ? currentDialogState?.hints : []),
});
}
}
}
};
const setInteractionTimeout = () => {
let timeout = currentDialogState?.timeout;
if (!timeout) {
let timeoutLimit = 40;
let timeoutMinLimit = 25;
timeout =
Math.floor(Math.random() * (timeoutLimit - timeoutMinLimit)) +
timeoutMinLimit;
if (currentDialogState?.emission) {
let readTime = currentDialogState.emission.length / 26.5;
timeout = timeout + readTime;
}
}
let uiTimeout = setTimeout(handleTimeout, timeout * 1000);
setUserInteractionTimeout(uiTimeout);
timeoutRef.current = uiTimeout;
};
useEffect(() => {
if (!!userMessage.length || isPlayingAudio) clearInteractionTimeout();
if (sessionId && !!!userMessage.length) resetInteractionTimeout();
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [
currentDialogState?.acceptsTimeout,
currentDialogState?.timeout,
currentDialogState?.state,
isPlayingAudio,
sessionId,
history,
userMessage,
]);
useEffect(() => {
return () => {
setHasUserActivatedSpeak(false);
setClickedStart(false);
clearInteractionTimeout();
timeoutRef.current = undefined;
};
// eslint-disable-next-line react-hooks/exhaustive-deps
}, []);
const initializeTTS = () => {
if (!AZURE_COGNITIVE_SERVICES_TTS_KEY) return;
speechConfig = speechSdk.SpeechConfig.fromSubscription(
AZURE_COGNITIVE_SERVICES_TTS_KEY,
'eastus'
);
speechConfig.speechSynthesisLanguage = getCultureCodeByLanguage(userLang);
speechConfig.speechSynthesisVoiceName = getTTSVoice(userLang); // https://docs.microsoft.com/it-it/azure/cognitive-services/speech-service/language-support#text-to-speech
speechConfig.speechRecognitionLanguage = getCultureCodeByLanguage(userLang);
if (hasTouchscreen())
speechConfig.speechSynthesisOutputFormat =
speechSdk.SpeechSynthesisOutputFormat.Audio16Khz32KBitRateMonoMp3;
audioContext = new AudioContext();
let buffer = audioContext.createBuffer(1, 10000, 22050);
let source = audioContext.createBufferSource();
source.buffer = buffer;
source.connect(audioContext.destination);
audioDestination = new speechSdk.SpeakerAudioDestination();
let audioConfig = speechSdk.AudioConfig.fromSpeakerOutput(audioDestination);
speechSynthesizer = new speechSdk.SpeechSynthesizer(
speechConfig,
audioConfig