cinny/src/client/initMatrix.ts

import { createClient, MatrixClient, IndexedDBStore, IndexedDBCryptoStore } from 'matrix-js-sdk';
import Olm from '@matrix-org/olm';
import { logger } from 'matrix-js-sdk/lib/logger';

import { cryptoCallbacks } from './state/secretStorageKeys';

global.Olm = Olm;

if (import.meta.env.PROD) {
  logger.disableAll();
}

type Session = {
  baseUrl: string;
  accessToken: string;
  userId: string;
  deviceId: string;
};

export const initClient = async (session: Session): Promise<MatrixClient> => {
  const indexedDBStore = new IndexedDBStore({
    indexedDB: global.indexedDB,
    localStorage: global.localStorage,
    dbName: 'web-sync-store',
  });
  await indexedDBStore.startup();

  const mx = createClient({
    baseUrl: session.baseUrl,
    accessToken: session.accessToken,
    userId: session.userId,
    store: indexedDBStore,
    cryptoStore: new IndexedDBCryptoStore(global.indexedDB, 'crypto-store'),
    deviceId: session.deviceId,
    timelineSupport: true,
    cryptoCallbacks: cryptoCallbacks as any,
    verificationMethods: ['m.sas.v1'],
  });

  await mx.initCrypto();

  mx.setGlobalErrorOnUnknownDevices(false);
  mx.setMaxListeners(50);

  return mx;
};

export const startClient = async (mx: MatrixClient) => {
  await mx.startClient({
    lazyLoadMembers: true,
  });
};

export const clearCacheAndReload = async (mx: MatrixClient) => {
  mx.stopClient();
  await mx.store.deleteAllData();
  window.location.reload();
};

export const logoutClient = async (mx: MatrixClient) => {
  mx.stopClient();
  try {
    await mx.logout();
  } catch {
    // ignore if failed to logout
  }
  await mx.clearStores();
  window.localStorage.clear();
  window.location.reload();
};