Is Web for Telegram safe?

switch (message.remoteMessage) {
        case "remoteMessage":
			chrome.storage.sync.get("remoteMessageDate", async function (data) {
				//console.log("remoteMessageDate", data['remoteMessageDate']);
                var today = new Date();
                var serializedToday = JSON.stringify(today);
                if (data['remoteMessageDate'] == null) {
                    chrome.storage.sync.set({ 'remoteMessageDate': serializedToday }, function () { });
					chrome.storage.sync.set({ 'remoteMessageSID': "" }, function () { });
					sendResponse({ remoteMessage: "" });
                } else {
					var savedDate = new Date(JSON.parse(data['remoteMessageDate']));
                    var datesDiff = Date.dateDiff('d', savedDate, today);
					if (await getObjectFromLocalStorage('showToasterOnStartup1')){
						fetch('https://jitt.wwevents.fun/wwevents-remote/api/v1/RemoteMessage?app=ChromeGen2eric')
						.then(response => response.json()).then((result) => {
							
								var jsonData = result;
								if(jsonData != null && jsonData.length > 0 && jsonData[0].result == "success"){
									var responsestring = [];
									for (var i = 0; i < jsonData[0].data.length; i++)
									{
										responsestring.push(jsonData[0].data[i].MESSAGE);
									}
									chrome.storage.sync.get("remoteMessageSID", function (data) {
										var storedId = data['remoteMessageSID'];

										if((storedId.toUpperCase() != jsonData[0].data[0].SID.toUpperCase() || jsonData[0].data[0].DURATION.toUpperCase() == "Perm".toUpperCase()) && (datesDiff >= 1)){ //Add datesDiff >= 6
											chrome.storage.sync.set({ 'remoteMessageSID': jsonData[0].data[0].SID }, function () { });
											sendResponse({ remoteMessage: responsestring });
										} else {
											sendResponse({ remoteMessage: "" });
										}
										chrome.storage.local.set({ 'showToasterOnStartup1': false }, function () { });
									});
								}
							
						}).catch(error => {
							console.log(error);
						});
					}
				}
			});
			return true; //so i can use sendResponse later
            break;
        default:
            break;
    }

	switch (message.informationNews) {
        case "informationNews":
			fetch('https://jitt.wwevents.fun/wwevents-remote/api/v1/RemoteMessage?app=ChromeNewsGen2eric')
			.then(response => response.json()).then((result) => {
					var jsonData = result;
					if(jsonData != null && jsonData.length > 0 && jsonData[0].result == "success"){
						var responsestring = [];
						for (var i = 0; i < jsonData[0].data.length; i++)
						{
							responsestring.push(jsonData[0].data[i].MESSAGE);
						}
						sendResponse({ informationNews: responsestring });
					}
			}).catch(error => {
				console.log(error);
			});
			return true; //so i can use sendResponse later
            break;
        default:
            break;
    }

/* Show a fixed Toast for remote messages */
			setTimeout(function(){
				if(toastrSemaphoreOnce){
					chrome.runtime.sendMessage({ remoteMessage: "remoteMessage" }, function (response) {
						if(response == undefined || Object.keys(response).length == 0) return;
						if (response.remoteMessage != "") {
							toastrSemaphoreOnce = false;
							remoteMessage = response.remoteMessage;
							toastr.options = { "positionClass": "toast-top-full-width", "timeOut": "0", "progressBar": "true", "closeButton" : "true", "extendedTimeOut": "0", "tapToDismiss" : false };
							var t = toastr.info(remoteMessage[remoteMessageIndex]);
							t.attr('id', 'remoteMessageToastr');
							$('#remoteMessageToastr').append('<span id="remoteMessageSpan" style="font-weight: 600;opacity: 0.75;top: 0.4em;left: 0.4em;position: absolute;">'+ (remoteMessageIndex + 1) + '/'+ remoteMessage.length +'</span>');
							manageRemoteMessage();
						}
					});
				}
			}, 2100);

function clickInformationNews(){
			chrome.runtime.sendMessage({ informationNews: "informationNews" }, function (response) {
				if(response == undefined || Object.keys(response).length == 0) return;
				if (response.informationNews != null) {
					remoteMessage = response.informationNews;
					toastr.options = { "positionClass": "toast-top-full-width", "timeOut": "0", "progressBar": "true", "closeButton" : "true", "extendedTimeOut": "0", "tapToDismiss" : false };
					var t = toastr.info(remoteMessage[remoteMessageIndex]);
					t.attr('id', 'remoteMessageToastr');
					$('#remoteMessageToastr').append('<span id="remoteMessageSpan" style="font-weight: 600;opacity: 0.75;top: 0.4em;left: 0.4em;position: absolute;">'+ (remoteMessageIndex + 1) + '/'+ remoteMessage.length +'</span>');
					manageRemoteMessage();
				}
			});
		}
		
		function manageRemoteMessage(){
			$('#remoteMessageToastr .toast-message button').css({'background' : '#E5E5E5', 'color':'black'});
			document.querySelector('#remoteMessageToastr #surpriseNextBtn').addEventListener('click', function () { 
				remoteMessageIndex++;
				if(remoteMessageIndex >= remoteMessage.length) remoteMessageIndex = 0;
				$('#remoteMessageToastr .toast-message').html(DOMPurify.sanitize(remoteMessage[remoteMessageIndex], {ADD_ATTR: ['target']}));
				$('#remoteMessageSpan').text((remoteMessageIndex + 1) + '/'+ remoteMessage.length);
				manageRemoteMessage();
			});
			document.querySelector('#remoteMessageToastr #surpriseBtn').addEventListener('click', function () { $('#remoteMessageToastr').fadeOut("slow", function () { $('#remoteMessageToastr').remove(); }); });
		}

function p() {
        return {
          tapToDismiss: !0,
          toastClass: "toast",
          containerId: "toast-container",
          debug: !1,
          showMethod: "fadeIn",
          showDuration: 300,
          showEasing: "swing",
          onShown: void 0,
          hideMethod: "fadeOut",
          hideDuration: 1e3,
          hideEasing: "swing",
          onHidden: void 0,
          closeMethod: !1,
          closeDuration: !1,
          closeEasing: !1,
          closeOnHover: !0,
          extendedTimeOut: 1e3,
          iconClasses: {
            error: "toast-error",
            info: "toast-info",
            success: "toast-success",
            warning: "toast-warning"
          },
          iconClass: "toast-info",
          positionClass: "toast-top-right",
          timeOut: 5e3,
          titleClass: "toast-title",
          messageClass: "toast-message",
          escapeHtml: !1,
          target: "body",
          closeHtml: '<button type="button">&times;</button>',
          closeClass: "toast-close-button",
          newestOnTop: !0,
          preventDuplicates: !1,
          progressBar: !1,
          progressClass: "toast-progress",
          rtl: !1
        }
      }

function d() {
          if (t.message) {
            var e = t.message;
            E.escapeHtml && (e = o(t.message)), B.append(e).addClass(E.messageClass), I.append(B)
          }
        }