Cleanup imports from @polkadot/util (#315)

* Cleanup imports from @polkadot/util

* Example imports

* Alphabetic imports

docs/examples/promise/07_transfer_dots/index.js

@@ -1,7 +1,7 @@
 // Import the API, Keyring and some utility functions
 const { ApiPromise } = require('@polkadot/api');
 const { Keyring } = require('@polkadot/keyring');
-const u8aFromUtf8 = require('@polkadot/util/u8a/fromUtf8').default;
+const { stringToU8a } = require('@polkadot/util');
 
 const ALICE_SEED = 'Alice'.padEnd(32, ' ');
 const BOB_ADDR = '5Gw3s7q4QLkSWwknsiPtjujPv3XM4Trxi5d4PgKMMk3gfGTE';
@@ -11,7 +11,7 @@ async function main () {
   const keyring = new Keyring();
 
   // Add Alice to our keyring (with the known seed for the account)
-  const alice = keyring.addFromSeed(u8aFromUtf8(ALICE_SEED));
+  const alice = keyring.addFromSeed(stringToU8a(ALICE_SEED));
 
   // Instantiate the API
   const api = await ApiPromise.create();

packages/api-observable/src/Base.ts

@@ -14,8 +14,7 @@ import storageStatic from '@polkadot/storage/static';
 import { Vector } from '@polkadot/types/codec';
 import { Hash, Method } from '@polkadot/types/index';
 import { StorageFunction } from '@polkadot/types/StorageKey';
-import assert from '@polkadot/util/assert';
-import isUndefined from '@polkadot/util/is/undefined';
+import { assert, isUndefined } from '@polkadot/util';
 
 type MapFn<R, T> = (combined: R) => T;
 

packages/api-observable/src/Combined.ts

@@ -10,8 +10,7 @@ import { switchMap, defaultIfEmpty, map } from 'rxjs/operators';
 import { decodeAddress } from '@polkadot/keyring';
 import { AccountId, AccountIndex, Balance, bool as Bool, BlockNumber, Moment, ReferendumIndex } from '@polkadot/types/index';
 import { ENUMSET_SIZE } from '@polkadot/types/AccountIndex';
-import assert from '@polkadot/util/assert';
-import isString from '@polkadot/util/is/string';
+import { assert, isString } from '@polkadot/util';
 
 import ApiCalls from './Calls';
 import { RxProposal, RxReferendum } from './classes';

packages/api/src/Base.ts

@@ -13,9 +13,7 @@ import { Storage } from '@polkadot/storage/types';
 import storageFromMeta from '@polkadot/storage/fromMetadata';
 import { Hash, Method, RuntimeVersion } from '@polkadot/types/index';
 import RuntimeMetadata from '@polkadot/types/Metadata';
-import assert from '@polkadot/util/assert';
-import isUndefined from '@polkadot/util/is/undefined';
-import logger from '@polkadot/util/logger';
+import { assert, isUndefined, logger } from '@polkadot/util';
 
 type MetaDecoration = {
   callIndex?: Uint8Array,

packages/api/src/promise/index.ts

@@ -9,11 +9,11 @@ import Rpc from '@polkadot/rpc-core/index';
 import { Extrinsics, ExtrinsicFunction } from '@polkadot/extrinsics/types';
 import { Storage } from '@polkadot/storage/types';
 import { Base } from '@polkadot/types/codec';
-import isFunction from '@polkadot/util/is/function';
+import { StorageFunction } from '@polkadot/types/StorageKey';
+import { isFunction } from '@polkadot/util';
 
 import ApiBase from '../Base';
 import SubmittableExtrinsic from './SubmittableExtrinsic';
-import { StorageFunction } from '@polkadot/types/StorageKey';
 
 /**
  * # @polkadot/api/promise

packages/api/src/rx/index.ts

@@ -12,7 +12,7 @@ import RpcRx from '@polkadot/rpc-rx/index';
 import { Extrinsics, ExtrinsicFunction } from '@polkadot/extrinsics/types';
 import { Storage } from '@polkadot/storage/types';
 import { Base } from '@polkadot/types/codec';
-import logger from '@polkadot/util/logger';
+import { logger } from '@polkadot/util';
 
 import ApiBase from '../Base';
 import SubmittableExtrinsic from './SubmittableExtrinsic';

packages/rpc-core/src/index.ts

@@ -10,9 +10,7 @@ import interfaces from '@polkadot/jsonrpc/index';
 import WsProvider from '@polkadot/rpc-provider/ws';
 import { Base, Vector, createType } from '@polkadot/types/codec';
 import { StorageChangeSet, StorageKey } from '@polkadot/types/index';
-import assert from '@polkadot/util/assert';
-import ExtError from '@polkadot/util/ext/error';
-import isFunction from '@polkadot/util/is/function';
+import { ExtError, assert, isFunction } from '@polkadot/util';
 
 /**
  * @name Rpc

packages/rpc-provider/src/coder/json/decodeResponse.ts

@@ -5,9 +5,7 @@
 import { JsonRpcResponse, JsonRpcResponseBase$Error } from '../../types';
 import { RpcCoderState } from './types';
 
-import assert from '@polkadot/util/assert';
-import isNumber from '@polkadot/util/is/number';
-import isUndefined from '@polkadot/util/is/undefined';
+import { assert, isNumber, isUndefined } from '@polkadot/util';
 
 function checkError (error?: JsonRpcResponseBase$Error) {
   if (!error) {

packages/rpc-provider/src/http/index.ts

@@ -8,8 +8,7 @@ import { ProviderInterface, ProviderInterface$Callback, ProviderInterface$Emitte
 
 import './polyfill';
 
-import assert from '@polkadot/util/assert';
-import logger from '@polkadot/util/logger';
+import { assert, logger } from '@polkadot/util';
 
 import coder from '../coder/json';
 import defaults from '../defaults';

packages/rpc-provider/src/mock/mocks.ts

@@ -12,8 +12,7 @@ import { MockState, MockState$Db, MockState$Subscriptions } from './types';
 import BN from 'bn.js';
 import storage from '@polkadot/storage/static';
 import Header from '@polkadot/types/Header';
-import bnToU8a from '@polkadot/util/bn/toU8a';
-import u8aToHex from '@polkadot/util/u8a/toHex';
+import { bnToU8a, u8aToHex } from '@polkadot/util';
 import { randomAsU8a } from '@polkadot/util-crypto';
 import testKeyring from '@polkadot/keyring/testing';
 

packages/rpc-provider/src/mock/state.ts

@@ -6,8 +6,7 @@ import { MockState, MockState$Db, MockState$Subscriptions } from './types';
 
 import E3 from 'eventemitter3';
 import interfaces from '@polkadot/jsonrpc/index';
-import u8aToHex from '@polkadot/util/u8a/toHex';
-import logger from '@polkadot/util/logger';
+import { logger, u8aToHex } from '@polkadot/util';
 
 const l = logger('api-mock');
 

packages/rpc-provider/src/ws/index.ts

@@ -9,10 +9,7 @@ import { JsonRpcResponse, ProviderInterface, ProviderInterface$Callback, Provide
 import './polyfill';
 
 import EventEmitter from 'eventemitter3';
-import assert from '@polkadot/util/assert';
-import isNull from '@polkadot/util/is/null';
-import isUndefined from '@polkadot/util/is/undefined';
-import logger from '@polkadot/util/logger';
+import { assert, isNull, isUndefined, logger } from '@polkadot/util';
 
 import coder from '../coder/json';
 import defaults from '../defaults';

packages/rpc-rx/src/index.spec.js

@@ -2,7 +2,7 @@
 // This software may be modified and distributed under the terms
 // of the ISC license. See the LICENSE file for details.
 
-import isFunction from '@polkadot/util/is/function';
+import { isFunction } from '@polkadot/util';
 
 jest.mock('@polkadot/rpc-provider/ws', () => class {
   isConnected = () => true;

packages/rpc-rx/src/index.ts

@@ -9,8 +9,7 @@ import { RpcRxInterface, RpcRxInterface$Events, RpcRxInterface$Section } from '.
 import EventEmitter from 'eventemitter3';
 import { BehaviorSubject, ReplaySubject, Observable, Subscriber, from } from 'rxjs';
 import Rpc from '@polkadot/rpc-core/index';
-import isFunction from '@polkadot/util/is/function';
-import isUndefined from '@polkadot/util/is/undefined';
+import { isFunction, isUndefined } from '@polkadot/util';
 
 type CachedMap = {
   [index: string]: {

packages/type-extrinsics/src/fromMetadata.ts

@@ -2,10 +2,11 @@
 // This software may be modified and distributed under the terms
 // of the ISC license. See the LICENSE file for details.
 
-import camelCase from '@polkadot/util/string/camelCase';
-import Metadata, { RuntimeModuleMetadata } from '@polkadot/types/Metadata';
 import { Extrinsics, ModuleExtrinsics } from './types';
 
+import Metadata, { RuntimeModuleMetadata } from '@polkadot/types/Metadata';
+import { stringCamelCase } from '@polkadot/util';
+
 import createUnchecked from './utils/createUnchecked';
 import extrinsics from './index';
 
@@ -41,12 +42,12 @@ export default function fromMetadata (metadata: Metadata): Extrinsics {
       return result;
     }
 
-    const prefix = camelCase(meta.prefix.toString());
+    const prefix = stringCamelCase(meta.prefix.toString());
     const index = findIndex(meta.prefix.toString());
 
     result[prefix] = meta.module.call.functions.reduce((newModule, funcMeta) => {
       // extrinsics.balances.set_balance -> extrinsics.balances.setBalance
-      const funcName = camelCase(funcMeta.name.toString());
+      const funcName = stringCamelCase(funcMeta.name.toString());
 
       newModule[funcName] = createUnchecked(prefix, funcName, index, funcMeta);
 

packages/type-extrinsics/src/index.spec.js

@@ -2,8 +2,8 @@
 // This software may be modified and distributed under the terms
 // of the ISC license. See the LICENSE file for details.
 
-import hexToU8a from '@polkadot/util/hex/toU8a';
 import testingPairs from '@polkadot/keyring/testingPairs';
+import { hexToU8a } from '@polkadot/util';
 
 import extrinsics from './static';
 

packages/type-jsonrpc/src/create/method.ts

@@ -4,7 +4,7 @@
 
 import { RpcMethodOpt, RpcMethod } from '../types';
 
-import isUndefined from '@polkadot/util/is/undefined';
+import { isUndefined } from '@polkadot/util';
 
 export default function createMethod (section: string, method: string, { description, isDeprecated = false, isHidden = false, isSigned = false, params, pubsub, type }: RpcMethodOpt): RpcMethod {
   return {

packages/type-storage/src/fromMetadata.ts

@@ -5,7 +5,7 @@
 import { ModuleStorage, Storage } from './types';
 
 import Metadata from '@polkadot/types/Metadata';
-import { stringLowerFirst } from '@polkadot/util/string';
+import { stringLowerFirst } from '@polkadot/util';
 
 import createFunction from './utils/createFunction';
 import storage from './index';

packages/type-storage/src/utils/createFunction.ts

@@ -7,9 +7,7 @@ import { createType } from '@polkadot/types/codec';
 import { StorageFunctionMetadata } from '@polkadot/types/Metadata';
 import { StorageFunction } from '@polkadot/types/StorageKey';
 import { Text } from '@polkadot/types/index';
-import { stringLowerFirst } from '@polkadot/util/string';
-import u8aConcat from '@polkadot/util/u8a/concat';
-import stringToU8a from '@polkadot/util/string/toU8a';
+import { stringLowerFirst, stringToU8a, u8aConcat } from '@polkadot/util';
 import { xxhashAsU8a } from '@polkadot/util-crypto';
 
 export interface CreateItemOptions {

packages/types/src/Metadata.spec.js

@@ -2,7 +2,7 @@
 // This software may be modified and distributed under the terms
 // of the ISC license. See the LICENSE file for details.
 
-import hexToU8a from '@polkadot/util/hex/toU8a';
+import { hexToU8a } from '@polkadot/util';
 
 import Metadata from './Metadata';
 import rpcdata from './Metadata.rpc';

packages/types/src/Method.ts

@@ -2,9 +2,8 @@
 // This software may be modified and distributed under the terms
 // of the ISC license. See the LICENSE file for details.
 
-import assert from '@polkadot/util/assert';
 import { ExtrinsicFunction, Extrinsics } from '@polkadot/extrinsics/types';
-import { isHex, isObject, isU8a } from '@polkadot/util';
+import { assert, isHex, isObject, isU8a } from '@polkadot/util';
 
 import Base from './codec/Base';
 import { Constructor } from './types';

packages/types/src/scripts/MetadataMd.ts

@@ -2,8 +2,8 @@
 // This software may be modified and distributed under the terms
 // of the ISC license. See the LICENSE file for details.
 
-const fs = require('fs');
-import { stringCamelCase, stringLowerFirst } from '@polkadot/util/string';
+import fs from 'fs';
+import { stringCamelCase, stringLowerFirst } from '@polkadot/util';
 
 import interfaces from '../../../type-jsonrpc/src';
 import Metadata from '../Metadata';