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function Home() {
  const { language, setLanguage } = useContext(UserLanguageContext);

  const [selectedLanguage, setSelectedLanguage] = useState(language);

  const onLanguageChange = (e) => {
    const l = e.target.value;
    setSelectedLanguage(l);
    I18n.setLanguage(l);
    setLanguage(l);

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const defaultLanguage = () => {
  const languageFromStorage = localStorage.getItem("lang");
  if (languageFromStorage) {
    I18n.setLanguage(languageFromStorage);
    return languageFromStorage;
  } else {
    const detectedLang = navigator.languages
      ? navigator.languages[0]
      : navigator.language || navigator.userLanguage;
    let adaptLang = detectedLang.slice(0, 2);

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import { createContext } from "react";
const UserLanguageContext = createContext({
  language: "en",
  setLanguage: () => {},
});
export default UserLanguageContext;

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import { I18n } from "aws-amplify";
import { Link } from "react-router-dom";

function About() {
  return (
    <section id="aboutSection">
      <p>{I18n.get("aboutTitle")}</p>
      <p>
        Go to <Link to="/">Home</Link>
      </p>

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PK	SK	Event Type	TTL
enricoapi	1659278245	httperror	1659278245
enricoapi	1659628245	httperror	1659628245
awesomeapi	16412278245	httperror	16412278245
enricoapi	1659278666	httperror	1659278666

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import _ from "lodash";

const speakingThreshold = 1000;
const notSpeakingThreshold = 2000;
const audioStream = {
  isTalking: false,
  timestamp: 0,
};

const onAudioLevel = function(event, elementId) {

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function findBookByGenreAndYear({genre, startYear, endYear}) {
  var params = {
      ExpressionAttributeValues: {
          ":genre": {"S": genre},
          ":startYear": {"N": startYear},
          ":endYear": {"N": endYear},
        },
        ExpressionAttributesNames:{
          "#genre": "Genre",
          "#y": "Year",

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import React, { useCallback, useRef, useState } from "react";
import OT from "@opentok/client";

export function usePublisher() {
  const [isPublishing, setIsPublishing] = useState(false);
  const [pubInitialised, setPubInitialised] = useState(false);
  const publisherRef = useRef();

  const streamCreatedListener = React.useCallback(({ stream }) => {}, []);

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let publisher;
const handleError = (e) => console.log(e);
const startScreenShareWithAudio = async () => {
	let stream;
    try {
    	stream = await navigator.mediaDevices.getDisplayMedia({video: true, audio: true});
    } catch (e) {
        handleError(e);
	}
    if (stream) {

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const publish = Promise.all([
  OT.getUserMedia({
    videoSource: 'screen'
  }),
  OT.getUserMedia({
    videoSource: null
  })
])
.then(([screenStream, micStream]) => {
  return OT.initPublisher(null, {