Porting db health to single worker mode.
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@ -0,0 +1,189 @@
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import { createEffect, createRoot, createSignal, Signal } from 'solid-js';
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import PouchDB from 'pouchdb';
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import indexeddb from 'pouchdb-adapter-indexeddb';
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import { sleep } from '../lib/async-wait';
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import { openDatabases } from './open';
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import { toHex } from '../lib/to-hex';
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import { isEqual } from 'lodash';
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PouchDB.plugin(indexeddb);
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declare global {
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var localDb: any;
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var db: any;
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var remoteDb: any;
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var currentAccount: any;
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var sync: any;
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}
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const [state, setState] = createSignal({});
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export { state };
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export const watchDbLegacy = async () => {
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createRoot((dispose) => {
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console.log({ caller: 'watchDbLegacy' });
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db = globalThis.db;
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localDb = globalThis.localDb;
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const [status, setStatus] = createSignal<any>({});
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const [syncState, setSyncState] = createSignal<any>({});
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const updateStatus = async () => {
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const dbInfo = await db.info();
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const localDbInfo = await localDb.info();
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const remoteDbInfo = globalThis.remoteDb
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? await remoteDb.info()
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: undefined;
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const tasks = PouchDB.activeTasks.list();
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const newStatus = {
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...status(),
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tasks,
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dbInfo,
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localDbInfo,
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remoteDbInfo,
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// date: new Date(),
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};
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if (!isEqual(status(), newStatus)) {
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setStatus(newStatus);
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}
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};
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createEffect(() => {
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console.log({
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caller: 'watchDbLegacy',
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state: state(),
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status: status(),
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syncState: syncState(),
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sync,
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});
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});
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createEffect(() => {
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const newState = { ...state(), sync: syncState() };
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if (!isEqual(newState, state())) {
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setState({
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...state(),
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localUpdateSeq: status()?.dbInfo?.update_seq,
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remoteUrl: status()?.remoteDbInfo?.host,
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sync: syncState(),
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});
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}
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});
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updateStatus();
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if (globalThis.sync) {
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globalThis.sync
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.on('change', function (info) {
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// handle change
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console.log({ caller: 'Sync / change', info });
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if (info.direction === 'push') {
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setSyncState({ ...syncState(), lastSeq: info.change.last_seq });
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}
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})
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.on('paused', function (err) {
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// replication paused (e.g. replication up to date, user went offline)
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setSyncState({ ...syncState(), paused: true });
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console.log({ caller: 'Sync / paused', err });
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})
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.on('active', function () {
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// replicate resumed (e.g. new changes replicating, user went back online)
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setSyncState({ ...syncState(), paused: false });
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console.log({ caller: 'Sync / active' });
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})
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.on('denied', function (err) {
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// a document failed to replicate (e.g. due to permissions)
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console.error({ caller: 'Sync / denied', err });
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})
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.on('complete', function (info) {
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// handle complete
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console.log({ caller: 'Sync / complete', info });
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})
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.on('error', function (err) {
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// handle error
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console.error({ caller: 'Sync / error', err });
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});
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}
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const timerId = setInterval(updateStatus, 10000);
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// db.compact();
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// await sleep(10000);
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const openIDb = (name: string) =>
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new Promise((resolve, reject) => {
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const iDb = indexedDB.open(name);
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iDb.onerror = (event: any) => {
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console.error({
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caller: 'watchDb',
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message: 'open db error',
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target: event.target,
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});
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reject(event.target.errorCode);
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};
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iDb.onsuccess = (event: any) => {
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console.log({
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caller: 'watchDb',
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message: 'open db',
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target: event.target,
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});
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resolve(event.target.result);
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};
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});
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const getAll = (store: any) =>
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new Promise((resolve, reject) => {
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const request = store.getAll();
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request.onerror = (event: any) => {
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console.error({
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caller: 'watchDb',
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message: 'getAll error',
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target: event.target,
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});
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reject(event.target.errorCode);
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};
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request.onsuccess = (event: any) => {
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console.log({
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caller: 'watchDb',
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message: 'getAll',
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target: event.target,
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});
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resolve(event.target.result as any[]);
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};
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});
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// const iDb = (await openIDb('_pouch__dyomedea_')) as IDBDatabase;
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// const bySequence = iDb.transaction('docs', 'readonly');
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// const store = bySequence.objectStore('docs');
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// console.log({
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// caller: 'watchDb',
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// message: 'transaction opened',
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// bySequence,
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// store,
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// });
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// const docs = (await getAll(store)) as any[];
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// docs.forEach(async (doc) => {
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// const { id, rev, deleted } = doc;
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// if (deleted !== 0) {
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// // const purge = await db.purge(id, rev);
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// console.log({
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// caller: 'watchDb',
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// message: 'purging',
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// id,
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// rev,
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// doc,
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// // purge,
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// });
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// await sleep(1000);
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// }
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// });
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});
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};
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@ -1,17 +1,9 @@
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import _ from 'lodash';
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import PouchDB from 'pouchdb';
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import indexeddb from 'pouchdb-adapter-indexeddb';
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import { watchDbLegacy } from '../db-admin/health-legacy';
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import { openDatabases } from '../db-admin/open';
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import uri from '../lib/ids';
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import { toHex } from '../lib/to-hex';
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import {
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getAccountById,
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getAccounts,
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initialAccount,
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putAccount,
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} from './account';
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import changeHandler from './change-handler';
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import { getSettings, putSettings } from './settings';
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declare global {
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var localDb: any;
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@ -51,33 +43,33 @@ export const initDb = async () => {
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});
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}
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if (globalThis.sync) {
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globalThis.sync
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.on('change', function (info) {
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// handle change
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console.log({ caller: 'Sync / change', info });
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})
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.on('paused', function (err) {
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// replication paused (e.g. replication up to date, user went offline)
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console.log({ caller: 'Sync / paused', err });
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})
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.on('active', function () {
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// replicate resumed (e.g. new changes replicating, user went back online)
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console.log({ caller: 'Sync / active' });
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})
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.on('denied', function (err) {
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// a document failed to replicate (e.g. due to permissions)
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console.error({ caller: 'Sync / denied', err });
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})
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.on('complete', function (info) {
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// handle complete
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console.log({ caller: 'Sync / complete', info });
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})
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.on('error', function (err) {
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// handle error
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console.error({ caller: 'Sync / error', err });
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});
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}
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// if (globalThis.sync) {
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// globalThis.sync
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// .on('change', function (info) {
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// // handle change
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// console.log({ caller: 'Sync / change', info });
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// })
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// .on('paused', function (err) {
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// // replication paused (e.g. replication up to date, user went offline)
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// console.log({ caller: 'Sync / paused', err });
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// })
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// .on('active', function () {
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// // replicate resumed (e.g. new changes replicating, user went back online)
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// console.log({ caller: 'Sync / active' });
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// })
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// .on('denied', function (err) {
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// // a document failed to replicate (e.g. due to permissions)
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// console.error({ caller: 'Sync / denied', err });
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// })
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// .on('complete', function (info) {
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// // handle complete
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// console.log({ caller: 'Sync / complete', info });
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// })
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// .on('error', function (err) {
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// // handle error
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// console.error({ caller: 'Sync / error', err });
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// });
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// }
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// console.log({ caller: 'initDb / before db.changes' });
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@ -106,5 +98,6 @@ export const initDb = async () => {
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// changes.cancel();
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globalThis.dbReady = true;
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watchDbLegacy();
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}
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};
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