forked from mystiq/hydrogen-web
replace ad hoc buttons and label with SyncStatusBar
This commit is contained in:
Bruno Windels
parent
a4bc2dd2b0
commit
1917a528c7
6 changed files with 85 additions and 35 deletions
11
index.html
11
index.html
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@ -52,18 +52,9 @@
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</style>
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</head>
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<body>
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<p id="syncstatus"></p>
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<div><button id="stopsync">stop syncing</button></div>
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<div id="container"></div>
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<script type="module">
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import main from "./src/main.js";
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const label = document.getElementById("syncstatus");
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const button = document.getElementById("stopsync");
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const container = document.getElementById("container");
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//import("./src/main.js").then(main => {
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main(label, button, container);
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//});
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main(document.body);
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</script>
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</body>
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</html>
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@ -3,11 +3,11 @@ export default class EventEmitter {
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this._handlersByName = {};
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}
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emit(name, value) {
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emit(name, ...values) {
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const handlers = this._handlersByName[name];
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if (handlers) {
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for(const h of handlers) {
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h(value);
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h(...values);
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}
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}
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}
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@ -15,6 +15,7 @@ export default class EventEmitter {
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on(name, callback) {
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let handlers = this._handlersByName[name];
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if (!handlers) {
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this.onFirstSubscriptionAdded(name);
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this._handlersByName[name] = handlers = new Set();
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}
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handlers.add(callback);
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@ -26,9 +27,14 @@ export default class EventEmitter {
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handlers.delete(callback);
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if (handlers.length === 0) {
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delete this._handlersByName[name];
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this.onLastSubscriptionRemoved(name);
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}
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}
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}
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onFirstSubscriptionAdded(name) {}
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onLastSubscriptionRemoved(name) {}
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}
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//#ifdef TESTS
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export function tests() {
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@ -1,11 +1,13 @@
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import EventEmitter from "../../EventEmitter.js";
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import RoomTileViewModel from "./roomlist/RoomTileViewModel.js";
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import RoomViewModel from "./room/RoomViewModel.js";
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import SyncStatusViewModel from "./SyncStatusViewModel.js";
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export default class SessionViewModel extends EventEmitter {
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constructor(session) {
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constructor(session, sync) {
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super();
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this._session = session;
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this._syncStatusViewModel = new SyncStatusViewModel(sync);
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this._currentRoomViewModel = null;
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const roomTileVMs = this._session.rooms.mapValues((room, emitUpdate) => {
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return new RoomTileViewModel({
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@ -17,6 +19,10 @@ export default class SessionViewModel extends EventEmitter {
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this._roomList = roomTileVMs.sortValues((a, b) => a.compare(b));
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}
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get syncStatusViewModel() {
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return this._syncStatusViewModel;
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}
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get roomList() {
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return this._roomList;
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}
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51
src/domain/session/SyncStatusViewModel.js
Normal file
51
src/domain/session/SyncStatusViewModel.js
Normal file
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@ -0,0 +1,51 @@
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import EventEmitter from "../../EventEmitter.js";
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export default class SyncStatusViewModel extends EventEmitter {
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constructor(sync) {
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super();
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this._sync = sync;
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this._onStatus = this._onStatus.bind(this);
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}
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_onStatus(status, err) {
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if (status === "error") {
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this._error = err;
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} else if (status === "started") {
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this._error = null;
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}
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this.emit("change");
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}
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onFirstSubscriptionAdded(name) {
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if (name === "change") {
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this._sync.on("status", this._onStatus);
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}
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}
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onLastSubscriptionRemoved(name) {
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if (name === "change") {
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this._sync.on("status", this._onStatus);
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}
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}
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trySync() {
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this._sync.start();
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this.emit("change");
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}
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get status() {
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if (!this.isSyncing) {
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if (this._error) {
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return `Error while syncing: ${this._error.message}`;
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} else {
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return "Sync stopped";
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}
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} else {
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return "Sync running";
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}
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}
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get isSyncing() {
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return this._sync.isSyncing;
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}
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}
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26
src/main.js
26
src/main.js
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@ -2,7 +2,7 @@ import HomeServerApi from "./matrix/hs-api.js";
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import Session from "./matrix/session.js";
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import createIdbStorage from "./matrix/storage/idb/create.js";
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import Sync from "./matrix/sync.js";
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import SessionView from "./ui/web/SessionView.js";
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import SessionView from "./ui/web/session/SessionView.js";
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import SessionViewModel from "./domain/session/SessionViewModel.js";
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const HOST = "localhost";
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@ -44,15 +44,14 @@ async function login(username, password, homeserver) {
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return storeSessionInfo(loginData);
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}
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function showSession(container, session) {
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const vm = new SessionViewModel(session);
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function showSession(container, session, sync) {
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const vm = new SessionViewModel(session, sync);
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const view = new SessionView(vm);
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view.mount();
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container.appendChild(view.root());
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container.appendChild(view.mount());
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}
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// eslint-disable-next-line no-unused-vars
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export default async function main(label, button, container) {
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export default async function main(container) {
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try {
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let sessionInfo = getSessionInfo(USER_ID);
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if (!sessionInfo) {
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@ -67,26 +66,17 @@ export default async function main(label, button, container) {
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}});
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await session.load();
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console.log("session loaded");
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const sync = new Sync(hsApi, session, storage);
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const needsInitialSync = !session.syncToken;
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if (needsInitialSync) {
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console.log("session needs initial sync");
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} else {
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showSession(container, session);
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showSession(container, session, sync);
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}
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const sync = new Sync(hsApi, session, storage);
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await sync.start();
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if (needsInitialSync) {
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showSession(container, session);
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showSession(container, session, sync);
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}
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label.innerText = "sync running";
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button.addEventListener("click", () => sync.stop());
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sync.on("error", err => {
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label.innerText = "sync error";
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console.error("sync error", err);
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});
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sync.on("stopped", () => {
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label.innerText = "sync stopped";
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});
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} catch(err) {
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console.error(`${err.message}:\n${err.stack}`);
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}
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@ -32,12 +32,18 @@ export default class Sync extends EventEmitter {
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this._isSyncing = false;
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this._currentRequest = null;
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}
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get isSyncing() {
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return this._isSyncing;
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}
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// returns when initial sync is done
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async start() {
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if (this._isSyncing) {
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return;
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}
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this._isSyncing = true;
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this.emit("status", "started");
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let syncToken = this._session.syncToken;
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// do initial sync if needed
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if (!syncToken) {
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@ -56,12 +62,12 @@ export default class Sync extends EventEmitter {
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} catch (err) {
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this._isSyncing = false;
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if (!(err instanceof RequestAbortError)) {
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console.warn("stopping sync because of error");
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this.emit("error", err);
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console.warn("stopping sync because of error", err.message);
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this.emit("status", "error", err);
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}
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}
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}
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this.emit("stopped");
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this.emit("status", "stopped");
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}
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async _syncRequest(syncToken, timeout) {
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