Build esm (& add x-rxjs package) (#2942)

packages/api-derive/src/balances/account.ts

@@ -1,16 +1,15 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-import type { Observable } from 'rxjs';
 import type { ApiInterfaceRx } from '@polkadot/api/types';
 import type { AccountData, AccountId, AccountIndex, AccountInfo, Address, Balance, Index } from '@polkadot/types/interfaces';
 import type { ITuple } from '@polkadot/types/types';
+import type { Observable } from '@polkadot/x-rxjs';
 import type { DeriveBalancesAccount } from '../types';
 
-import { combineLatest, of } from 'rxjs';
-import { map, switchMap } from 'rxjs/operators';
-
 import { isFunction } from '@polkadot/util';
+import { combineLatest, of } from '@polkadot/x-rxjs';
+import { map, switchMap } from '@polkadot/x-rxjs/operators';
 
 import { memo } from '../util';
 

packages/api-derive/src/balances/all.ts

@@ -1,17 +1,17 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-import type { Observable } from 'rxjs';
 import type { ApiInterfaceRx } from '@polkadot/api/types';
 import type { Option, Vec } from '@polkadot/types';
 import type { AccountId, AccountIndex, Address, Balance, BalanceLock, BalanceLockTo212, BlockNumber, VestingInfo, VestingSchedule } from '@polkadot/types/interfaces';
+import type { Observable } from '@polkadot/x-rxjs';
 import type { DeriveBalancesAccount, DeriveBalancesAll } from '../types';
 
 import BN from 'bn.js';
-import { combineLatest, of } from 'rxjs';
-import { map, switchMap } from 'rxjs/operators';
 
 import { bnMax, isFunction } from '@polkadot/util';
+import { combineLatest, of } from '@polkadot/x-rxjs';
+import { map, switchMap } from '@polkadot/x-rxjs/operators';
 
 import { memo } from '../util';
 

packages/api-derive/src/balances/fees.ts

@@ -1,13 +1,13 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-import type { Observable } from 'rxjs';
 import type { ApiInterfaceRx } from '@polkadot/api/types';
 import type { Balance } from '@polkadot/types/interfaces';
+import type { Observable } from '@polkadot/x-rxjs';
 import type { DeriveFees } from '../types';
 
-import { of } from 'rxjs';
-import { map } from 'rxjs/operators';
+import { of } from '@polkadot/x-rxjs';
+import { map } from '@polkadot/x-rxjs/operators';
 
 import { memo } from '../util';
 

packages/api-derive/src/balances/votingBalances.ts

@@ -1,12 +1,12 @@
 // Copyright 2017-2020 @polkadot/api-derive authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-import type { Observable } from 'rxjs';
 import type { ApiInterfaceRx } from '@polkadot/api/types';
 import type { AccountId, AccountIndex, Address } from '@polkadot/types/interfaces';
+import type { Observable } from '@polkadot/x-rxjs';
 import type { DeriveBalancesAccount } from '../types';
 
-import { combineLatest, of } from 'rxjs';
+import { combineLatest, of } from '@polkadot/x-rxjs';
 
 import { memo } from '../util';