[CI Skip] release/stable 7.8.2

skip-checks: true

.123trigger

@@ -17,4 +17,5 @@
 
 7.0.2
 7.0.3
-7.1.2
+7.1.2
+7.8.2

CHANGELOG.md

@@ -1,5 +1,26 @@
 # CHANGELOG
 
+## 7.8.2 Nov 7, 2021
+
+Changes:
+
+- Expose internal `isArray` check
+- Move `object{Property, Properties}` from api repo
+
+
+## 7.8.1 Nov 6, 2021
+
+Contributed:
+
+- Added Acala genesisHash (Thanks to https://github.com/qwer951123)
+
+Changes:
+
+- Add `objectClear` and `objectSpread` utility functions
+- Add `lazyMethod` & `lazyMethods` utility functions
+- Sync with upstream Substrate ss58 registry
+
+
 ## 7.7.1 Oct 31, 2021
 
 Contributed:

package.json

@@ -10,7 +10,7 @@
     "url": "https://github.com/polkadot-js/common.git"
   },
   "sideEffects": false,
-  "version": "7.7.1",
+  "version": "7.8.2",
   "workspaces": [
     "packages/*"
   ],
@@ -21,16 +21,16 @@
     "clean": "polkadot-dev-clean-build",
     "lint": "polkadot-dev-run-lint",
     "networks:crosscheck": "polkadot-dev-run-test packages/networks/src/crosscheck",
-    "networks:sync": "node packages/networks/scripts/fromSubstrate.mjs",
+    "networks:sync": "yarn build && node packages/networks/scripts/fromSubstrate.mjs",
     "postinstall": "polkadot-dev-yarn-only",
     "test": "polkadot-dev-run-test --coverage --runInBand --testPathIgnorePatterns crosscheck --testPathIgnorePatterns toMiniSecretCmp",
     "test:mnemonicCmp": "polkadot-dev-run-test packages/util-crypto/src/mnemonic/toMiniSecretCmp.spec.ts",
     "test:one": "polkadot-dev-run-test --runInBand"
   },
   "devDependencies": {
-    "@babel/core": "^7.15.8",
-    "@polkadot/dev": "^0.63.18",
-    "@polkadot/ts": "^0.4.12",
+    "@babel/core": "^7.16.0",
+    "@polkadot/dev": "^0.63.27",
+    "@polkadot/ts": "^0.4.13",
     "@types/ed2curve": "^0.2.2",
     "@types/jest": "^27.0.2"
   },

packages/hw-ledger-transports/package.json

@@ -16,12 +16,12 @@
   },
   "sideEffects": false,
   "type": "module",
-  "version": "7.7.1",
+  "version": "7.8.2",
   "browser": "browser.js",
   "main": "node.js",
   "react-native": "react-native.js",
   "dependencies": {
-    "@babel/runtime": "^7.15.4",
+    "@babel/runtime": "^7.16.0",
     "@ledgerhq/hw-transport": "^6.11.2",
     "@ledgerhq/hw-transport-webhid": "^6.11.2",
     "@ledgerhq/hw-transport-webusb": "^6.11.2"

packages/hw-ledger-transports/src/packageInfo.ts

@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/hw-ledger-transports', version: '7.7.1' };
+export const packageInfo = { name: '@polkadot/hw-ledger-transports', version: '7.8.2' };

packages/hw-ledger/package.json

@@ -19,12 +19,12 @@
     "./detectPackage.cjs"
   ],
   "type": "module",
-  "version": "7.7.1",
+  "version": "7.8.2",
   "main": "index.js",
   "dependencies": {
-    "@babel/runtime": "^7.15.4",
-    "@polkadot/hw-ledger-transports": "7.7.1",
-    "@polkadot/util": "7.7.1",
+    "@babel/runtime": "^7.16.0",
+    "@polkadot/hw-ledger-transports": "7.8.2",
+    "@polkadot/util": "7.8.2",
     "@zondax/ledger-substrate": "^0.18.0"
   }
 }

packages/hw-ledger/src/packageInfo.ts

@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/hw-ledger', version: '7.7.1' };
+export const packageInfo = { name: '@polkadot/hw-ledger', version: '7.8.2' };

packages/hw-ledger/src/types.ts

@@ -1,6 +1,8 @@
 // Copyright 2017-2021 @polkadot/hw-ledger authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
+import type { HexString } from '@polkadot/util/types';
+
 export type LedgerTypes = 'hid' | 'u2f' | 'webusb';
 
 export interface AccountOptions {
@@ -15,7 +17,7 @@ export interface LedgerAddress {
 }
 
 export interface LedgerSignature {
-  signature: string;
+  signature: HexString;
 }
 
 export interface LedgerVersion {

packages/keyring/package.json

@@ -20,15 +20,15 @@
     "./detectPackage.cjs"
   ],
   "type": "module",
-  "version": "7.7.1",
+  "version": "7.8.2",
   "main": "index.js",
   "dependencies": {
-    "@babel/runtime": "^7.15.4",
-    "@polkadot/util": "7.7.1",
-    "@polkadot/util-crypto": "7.7.1"
+    "@babel/runtime": "^7.16.0",
+    "@polkadot/util": "7.8.2",
+    "@polkadot/util-crypto": "7.8.2"
   },
   "peerDependencies": {
-    "@polkadot/util": "7.7.1",
-    "@polkadot/util-crypto": "7.7.1"
+    "@polkadot/util": "7.8.2",
+    "@polkadot/util-crypto": "7.8.2"
   }
 }

packages/keyring/src/packageInfo.ts

@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/keyring', version: '7.7.1' };
+export const packageInfo = { name: '@polkadot/keyring', version: '7.8.2' };

packages/keyring/src/pair/index.ts

@@ -6,7 +6,7 @@ import type { EncryptedJsonEncoding, Keypair, KeypairType } from '@polkadot/util
 import type { KeyringPair, KeyringPair$Json, KeyringPair$Meta, SignOptions } from '../types';
 import type { PairInfo } from './types';
 
-import { assert, u8aConcat, u8aEmpty, u8aEq, u8aToHex, u8aToU8a } from '@polkadot/util';
+import { assert, objectSpread, u8aConcat, u8aEmpty, u8aEq, u8aToHex, u8aToU8a } from '@polkadot/util';
 import { blake2AsU8a, convertPublicKeyToCurve25519, convertSecretKeyToCurve25519, ethereumEncode, keccakAsU8a, keyExtractPath, keyFromPath, naclKeypairFromSeed as naclFromSeed, naclOpen, naclSeal, naclSign, schnorrkelKeypairFromSeed as schnorrkelFromSeed, schnorrkelSign, schnorrkelVrfSign, schnorrkelVrfVerify, secp256k1Compress, secp256k1Expand, secp256k1KeypairFromSeed as secp256k1FromSeed, secp256k1Sign, signatureVerify } from '@polkadot/util-crypto';
 
 import { decodePair } from './decode';
@@ -181,7 +181,7 @@ export function createPair ({ toSS58, type }: Setup, { publicKey, secretKey }: P
       secretKey = new Uint8Array();
     },
     setMeta: (additional: KeyringPair$Meta): void => {
-      meta = { ...meta, ...additional };
+      meta = objectSpread({}, meta, additional);
     },
     sign: (message: HexString | string | Uint8Array, options: SignOptions = {}): Uint8Array => {
       assert(!isLocked(secretKey), 'Cannot sign with a locked key pair');

packages/keyring/src/pair/toJson.ts

@@ -4,6 +4,7 @@
 import type { KeypairType } from '@polkadot/util-crypto/types';
 import type { KeyringPair$Json, KeyringPair$Meta } from '../types';
 
+import { objectSpread } from '@polkadot/util';
 import { jsonEncryptFormat } from '@polkadot/util-crypto';
 
 interface PairStateJson {
@@ -12,9 +13,8 @@ interface PairStateJson {
 }
 
 export function pairToJson (type: KeypairType, { address, meta }: PairStateJson, encoded: Uint8Array, isEncrypted: boolean): KeyringPair$Json {
-  return {
-    ...jsonEncryptFormat(encoded, ['pkcs8', type], isEncrypted),
+  return objectSpread({}, jsonEncryptFormat(encoded, ['pkcs8', type], isEncrypted), {
     address,
     meta
-  };
+  });
 }

packages/networks/package.json

@@ -17,13 +17,13 @@
   },
   "sideEffects": false,
   "type": "module",
-  "version": "7.7.1",
+  "version": "7.8.2",
   "main": "index.js",
   "dependencies": {
-    "@babel/runtime": "^7.15.4"
+    "@babel/runtime": "^7.16.0"
   },
   "devDependencies": {
-    "@polkadot/util": "7.7.1",
-    "@polkadot/x-fetch": "7.7.1"
+    "@polkadot/util": "7.8.2",
+    "@polkadot/x-fetch": "7.8.2"
   }
 }

packages/networks/src/defaults.ts

@@ -10,6 +10,9 @@ export const substrateRegistry = 'https://raw.githubusercontent.com/paritytech/s
 // last. This make lookups for the current a simple genesisHash[0]
 // (See Kusama as an example)
 export const knownGenesis: KnownGenesis = {
+  acala: [
+    '0xfc41b9bd8ef8fe53d58c7ea67c794c7ec9a73daf05e6d54b14ff6342c99ba64c'
+  ],
   bifrost: [
     '0x9f28c6a68e0fc9646eff64935684f6eeeece527e37bbe1f213d22caa1d9d6bed'
   ],

packages/networks/src/packageInfo.ts

@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/networks', version: '7.7.1' };
+export const packageInfo = { name: '@polkadot/networks', version: '7.8.2' };

packages/networks/src/substrate.ts

@@ -270,13 +270,13 @@ export const knownSubstrate: KnownSubstrate[] = [
     website: null
   },
   {
-    decimals: [18],
-    displayName: 'Dhiway CORD Network',
+    decimals: [12, 12],
+    displayName: 'CORD Network',
     network: 'cord',
     prefix: 29,
     standardAccount: '*25519',
-    symbols: ['DCU'],
-    website: 'https://dhiway.com/'
+    symbols: ['DHI', 'WAY'],
+    website: 'https://cord.network/'
   },
   {
     decimals: [12],
@@ -638,6 +638,15 @@ export const knownSubstrate: KnownSubstrate[] = [
     symbols: ['QTZ'],
     website: 'https://unique.network'
   },
+  {
+    decimals: [18],
+    displayName: 'Pioneer Network by Bit.Country',
+    network: 'pioneer_network',
+    prefix: 268,
+    standardAccount: '*25519',
+    symbols: ['NEER'],
+    website: 'https://bit.country'
+  },
   {
     decimals: [18],
     displayName: 'Moonbeam',

packages/util-crypto/package.json

@@ -22,14 +22,14 @@
     "./detectPackage.cjs"
   ],
   "type": "module",
-  "version": "7.7.1",
+  "version": "7.8.2",
   "main": "index.js",
   "dependencies": {
-    "@babel/runtime": "^7.15.4",
-    "@polkadot/networks": "7.7.1",
-    "@polkadot/util": "7.7.1",
+    "@babel/runtime": "^7.16.0",
+    "@polkadot/networks": "7.8.2",
+    "@polkadot/util": "7.8.2",
     "@polkadot/wasm-crypto": "^4.2.1",
-    "@polkadot/x-randomvalues": "7.7.1",
+    "@polkadot/x-randomvalues": "7.8.2",
     "base-x": "^3.0.9",
     "base64-js": "^1.5.1",
     "blakejs": "^1.1.1",
@@ -46,11 +46,11 @@
   "devDependencies": {
     "@types/bn.js": "^4.11.6",
     "@types/create-hash": "^1.2.2",
-    "@types/elliptic": "^6.4.13",
+    "@types/elliptic": "^6.4.14",
     "@types/scryptsy": "^2.0.0",
     "@types/xxhashjs": "^0.2.2"
   },
   "peerDependencies": {
-    "@polkadot/util": "7.7.1"
+    "@polkadot/util": "7.8.2"
   }
 }

packages/util-crypto/src/packageInfo.ts

@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/util-crypto', version: '7.7.1' };
+export const packageInfo = { name: '@polkadot/util-crypto', version: '7.8.2' };

packages/util/package.json

@@ -20,12 +20,12 @@
     "./detectPackage.cjs"
   ],
   "type": "module",
-  "version": "7.7.1",
+  "version": "7.8.2",
   "main": "index.js",
   "dependencies": {
-    "@babel/runtime": "^7.15.4",
-    "@polkadot/x-textdecoder": "7.7.1",
-    "@polkadot/x-textencoder": "7.7.1",
+    "@babel/runtime": "^7.16.0",
+    "@polkadot/x-textdecoder": "7.8.2",
+    "@polkadot/x-textencoder": "7.8.2",
     "@types/bn.js": "^4.11.6",
     "bn.js": "^4.12.0",
     "camelcase": "^6.2.0",

packages/util/src/bn/toHex.ts

@@ -5,6 +5,7 @@ import type { HexString, ToBn, ToBnOptions } from '../types';
 import type { BN } from './bn';
 
 import { isNumber } from '../is/number';
+import { objectSpread } from '../object/spread';
 import { u8aToHex } from '../u8a';
 import { bnToU8a } from './toU8a';
 
@@ -36,14 +37,14 @@ function bnToHex <ExtToBn extends ToBn> (value?: ExtToBn | BN | bigint | number
     return ZERO_STR;
   }
 
-  const _options = {
-    isLe: false,
-    isNegative: false,
-    // Backwards-compatibility
-    ...(isNumber(arg1) ? { bitLength: arg1, isLe: arg2 } : arg1)
-  };
-
-  return u8aToHex(bnToU8a(value, _options));
+  return u8aToHex(
+    bnToU8a(value, objectSpread(
+      { isLe: false, isNegative: false },
+      isNumber(arg1)
+        ? { bitLength: arg1, isLe: arg2 }
+        : arg1
+    ))
+  );
 }
 
 export { bnToHex };

packages/util/src/bn/toU8a.ts

@@ -5,6 +5,7 @@ import type { ToBn, ToBnOptions } from '../types';
 import type { BN } from './bn';
 
 import { isNumber } from '../is/number';
+import { objectSpread } from '../object/spread';
 import { bnToBn } from './toBn';
 
 interface Options extends ToBnOptions {
@@ -43,12 +44,12 @@ function createValue (valueBn: BN, byteLength: number, { isLe, isNegative }: Opt
 function bnToU8a <ExtToBn extends ToBn> (value?: ExtToBn | BN | bigint | number | null, options?: Options): Uint8Array;
 function bnToU8a <ExtToBn extends ToBn> (value?: ExtToBn | BN | bigint | number | null, bitLength?: number, isLe?: boolean): Uint8Array;
 function bnToU8a <ExtToBn extends ToBn> (value?: ExtToBn | BN | bigint | number | null, arg1: number | Options = { bitLength: -1, isLe: true, isNegative: false }, arg2?: boolean): Uint8Array {
-  const options: Options = {
-    bitLength: -1,
-    isLe: true,
-    isNegative: false,
-    ...isNumber(arg1) ? { bitLength: arg1, isLe: arg2 } : arg1
-  };
+  const options: Options = objectSpread(
+    { bitLength: -1, isLe: true, isNegative: false },
+    isNumber(arg1)
+      ? { bitLength: arg1, isLe: arg2 }
+      : arg1
+  );
 
   const valueBn = bnToBn(value);
   const byteLength = options.bitLength === -1

packages/util/src/bundle.ts

@@ -15,9 +15,11 @@ export * from './extractTime';
 export * from './format';
 export * from './hex';
 export * from './is';
+export * from './lazy';
 export * from './logger';
 export * from './memoize';
 export * from './number';
+export * from './object';
 export * from './promisify';
 export * from './string';
 export * from './stringify';

packages/util/src/extractTime.ts

@@ -3,6 +3,8 @@
 
 import type { Time } from './types';
 
+import { objectSpread } from './object/spread';
+
 const HRS = 60 * 60;
 const DAY = HRS * 24;
 
@@ -21,12 +23,12 @@ function addTime (a: Time, b: Time): Time {
   };
 }
 
-const ZERO = { days: 0, hours: 0, milliseconds: 0, minutes: 0, seconds: 0 };
+const ZERO: Time = { days: 0, hours: 0, milliseconds: 0, minutes: 0, seconds: 0 };
 
 function extractDays (milliseconds: number, hrs: number): Time {
   const days = Math.floor(hrs / 24);
 
-  return addTime({ ...ZERO, days }, extractTime(milliseconds - (days * DAY * 1000)));
+  return addTime(objectSpread({}, ZERO, { days }), extractTime(milliseconds - (days * DAY * 1000)));
 }
 
 function extractHrs (milliseconds: number, mins: number): Time {
@@ -35,7 +37,7 @@ function extractHrs (milliseconds: number, mins: number): Time {
   if (hrs < 24) {
     const hours = Math.floor(hrs);
 
-    return addTime({ ...ZERO, hours }, extractTime(milliseconds - (hours * HRS * 1000)));
+    return addTime(objectSpread({}, ZERO, { hours }), extractTime(milliseconds - (hours * HRS * 1000)));
   }
 
   return extractDays(milliseconds, hrs);
@@ -47,7 +49,7 @@ function extractMins (milliseconds: number, secs: number): Time {
   if (mins < 60) {
     const minutes = Math.floor(mins);
 
-    return addTime({ ...ZERO, minutes }, extractTime(milliseconds - (minutes * 60 * 1000)));
+    return addTime(objectSpread({}, ZERO, { minutes }), extractTime(milliseconds - (minutes * 60 * 1000)));
   }
 
   return extractHrs(milliseconds, mins);
@@ -59,7 +61,7 @@ function extractSecs (milliseconds: number): Time {
   if (secs < 60) {
     const seconds = Math.floor(secs);
 
-    return addTime({ ...ZERO, seconds }, extractTime(milliseconds - (seconds * 1000)));
+    return addTime(objectSpread({}, ZERO, { seconds }), extractTime(milliseconds - (seconds * 1000)));
   }
 
   return extractMins(milliseconds, secs);
@@ -81,7 +83,7 @@ export function extractTime (milliseconds?: number): Time {
   if (!milliseconds) {
     return ZERO;
   } else if (milliseconds < 1000) {
-    return { ...ZERO, milliseconds };
+    return objectSpread({}, ZERO, { milliseconds });
   }
 
   return extractSecs(milliseconds);

packages/util/src/hex/toBn.ts

@@ -5,6 +5,7 @@ import type { ToBnOptions } from '../types';
 
 import { BN } from '../bn/bn';
 import { isBoolean } from '../is/boolean';
+import { objectSpread } from '../object/spread';
 import { hexStripPrefix } from './stripPrefix';
 
 function reverse (value: string): string {
@@ -36,16 +37,12 @@ export function hexToBn (value?: string | null, options: ToBnOptions | boolean =
     return new BN(0);
   }
 
-  const _options: ToBnOptions = {
-    isLe: false,
-    isNegative: false,
-    // Backwards-compatibility
-    ...(
-      isBoolean(options)
-        ? { isLe: options }
-        : options
-    )
-  };
+  const _options: ToBnOptions = objectSpread(
+    { isLe: false, isNegative: false },
+    isBoolean(options)
+      ? { isLe: options }
+      : options
+  );
   const _value = hexStripPrefix(value);
 
   // FIXME: Use BN's 3rd argument `isLe` once this issue is fixed

packages/util/src/is/array.ts

@@ -0,0 +1,10 @@
+// Copyright 2017-2021 @polkadot/util authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+/**
+ * @name isArray
+ * @summary Tests for a Array instance.
+ */
+export function isArray <T> (value: unknown): value is Array<T> {
+  return Array.isArray(value);
+}

packages/util/src/is/error.ts

@@ -1,8 +1,6 @@
 // Copyright 2017-2021 @polkadot/util authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-import { isInstanceOf } from './instanceOf';
-
 /**
  * @name isError
  * @summary Tests for a `Error` object instance.
@@ -18,5 +16,5 @@ import { isInstanceOf } from './instanceOf';
  * ```
  */
 export function isError (value: unknown): value is Error {
-  return isInstanceOf(value, Error);
+  return value instanceof Error;
 }

packages/util/src/is/index.ts

@@ -4,6 +4,7 @@
 /**
  * @summary Type checking utilities
  */
+export { isArray } from './array';
 export { isAscii } from './ascii';
 export { isBigInt } from './bigInt';
 export { isBn } from './bn';

packages/util/src/is/observable.ts

@@ -5,8 +5,7 @@ import { isFunction } from './function';
 import { isObject } from './object';
 
 interface Observable {
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  next: (...params: any[]) => any;
+  next: (...params: unknown[]) => unknown;
 }
 
 /**

packages/util/src/is/u8a.ts

@@ -1,8 +1,6 @@
 // Copyright 2017-2021 @polkadot/util authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-import { isInstanceOf } from './instanceOf';
-
 /**
  * @name isU8a
  * @summary Tests for a `Uint8Array` object instance.
@@ -18,5 +16,5 @@ import { isInstanceOf } from './instanceOf';
  * ```
  */
 export function isU8a (value?: unknown): value is Uint8Array {
-  return isInstanceOf(value, Uint8Array);
+  return value instanceof Uint8Array;
 }

packages/util/src/lazy.ts

@@ -0,0 +1,55 @@
+// Copyright 2017-2021 @polkadot/types authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import { isUndefined } from './is/undefined';
+
+type AnyFn = (...args: unknown[]) => unknown;
+
+type WithToString = { toString: () => string };
+
+export function lazyMethod <T, K> (result: Record<string, T> | AnyFn, item: K, creator: (d: K) => T, getName?: (d: K) => string): void {
+  const name = getName
+    ? getName(item)
+    : (item as WithToString).toString();
+  let value: T | undefined;
+
+  Object.defineProperty(result, name, {
+    // This allows for re-configuration with the embedded defineProperty below
+    // and ensures that on tested browsers and Node, it _will_ be redefined
+    // and thus short-circuited for future access
+    configurable: true,
+    enumerable: true,
+
+    // Use a function here, we don't want to capture the outer this, i.e.
+    // don't use arrow functions in this context since we have a this inside
+    get: function (): T {
+      // This check should _always_ be false and unneeded, since we override
+      // with a value below ... however we ensure we are quire vigilant against
+      // all environment failures, so we are rather be safe than sorry
+      if (isUndefined(value)) {
+        value = creator(item);
+
+        try {
+          // re-define the property as a value, next time around this
+          // getter will only return the computed value
+          Object.defineProperty(this, name, { value });
+        } catch {
+          // ignore any errors, since this _should_ not happen due to
+          // the "configurable" property above. But if it ever does
+          // from here-on we will be the cached value the next time
+          // around (with a very slight dip in performance)
+        }
+      }
+
+      return value;
+    }
+  });
+}
+
+export function lazyMethods <T, K> (result: Record<string, T>, items: K[], creator: (v: K) => T, getName?: (m: K) => string): Record<string, T> {
+  for (let i = 0; i < items.length; i++) {
+    lazyMethod(result, items[i], creator, getName);
+  }
+
+  return result;
+}

packages/util/src/object/clear.spec.ts

@@ -0,0 +1,12 @@
+// Copyright 2017-2021 @polkadot/util authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import { objectClear } from '.';
+
+describe('objectClear', (): void => {
+  it('clears an object', (): void => {
+    expect(
+      objectClear({ a: 1, b: 2, c: { d: 3, e: 4 } })
+    ).toEqual({});
+  });
+});

packages/util/src/object/clear.ts

@@ -0,0 +1,12 @@
+// Copyright 2017-2021 @polkadot/util authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+export function objectClear <T> (value: Record<string, T>): Record<string, T> {
+  const keys = Object.keys(value);
+
+  for (let i = 0; i < keys.length; i++) {
+    delete value[keys[i]];
+  }
+
+  return value;
+}

packages/util/src/object/copy.ts

@@ -0,0 +1,8 @@
+// Copyright 2017-2021 @polkadot/util authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import { objectSpread } from './spread';
+
+export function objectCopy <T extends object> (source: T): T {
+  return objectSpread({}, source);
+}

packages/util/src/object/index.ts

@@ -0,0 +1,7 @@
+// Copyright 2017-2021 @polkadot/util authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+export { objectClear } from './clear';
+export { objectCopy } from './copy';
+export { objectProperty, objectProperties } from './property';
+export { objectSpread } from './spread';

packages/util/src/object/property.ts

@@ -0,0 +1,20 @@
+// Copyright 2017-2021 @polkadot/util authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import { isUndefined } from '../is/undefined';
+
+export function objectProperty (that: object, key: string, getter: (k: string) => unknown): void {
+  // We use both the hasOwnProperty as well as isUndefined checks here, since it may be set
+  // in inherited classes and _Own_ properties refers to the class only, not only parents
+  if (!Object.prototype.hasOwnProperty.call(that, key) && isUndefined((that as Record<string, unknown>)[key])) {
+    const get = () => getter(key);
+
+    Object.defineProperty(that, key, { enumerable: true, get });
+  }
+}
+
+export function objectProperties (that: object, keys: string[], getter: (k: string, i: number) => unknown): void {
+  for (let i = 0; i < keys.length; i++) {
+    objectProperty(that, keys[i], (k) => getter(k, i));
+  }
+}

packages/util/src/object/spread.spec.ts

@@ -0,0 +1,18 @@
+// Copyright 2017-2021 @polkadot/util authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import { objectSpread } from '.';
+
+describe('objectSpread', (): void => {
+  it('spreads an object from multiple sources', (): void => {
+    expect(
+      objectSpread({ a: 1 }, { b: 2 }, { a: 2, c: { d: 3, e: 4 } })
+    ).toEqual({ a: 2, b: 2, c: { d: 3, e: 4 } });
+  });
+
+  it('spreads an object from multiple sources (with null & undefined)', (): void => {
+    expect(
+      objectSpread({ a: 1 }, null, { b: 2 }, undefined, { a: 2, c: { d: 3, e: 4 } })
+    ).toEqual({ a: 2, b: 2, c: { d: 3, e: 4 } });
+  });
+});

packages/util/src/object/spread.ts

@@ -0,0 +1,20 @@
+// Copyright 2017-2021 @polkadot/util authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+export function objectSpread <T extends object> (dest: object, ...sources: (object | undefined | null)[]): T {
+  for (let i = 0; i < sources.length; i++) {
+    const src = sources[i];
+
+    if (src) {
+      const keys = Object.keys(src);
+
+      for (let j = 0; j < keys.length; j++) {
+        const key = keys[j];
+
+        (dest as Record<string, unknown>)[key] = (src as Record<string, unknown>)[key];
+      }
+    }
+  }
+
+  return dest as T;
+}

packages/util/src/packageInfo.ts

@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/util', version: '7.7.1' };
+export const packageInfo = { name: '@polkadot/util', version: '7.8.2' };

packages/x-bundle/package.json

@@ -17,11 +17,11 @@
   },
   "sideEffects": false,
   "type": "module",
-  "version": "7.7.1",
+  "version": "7.8.2",
   "main": "index.js",
   "dependencies": {
-    "@babel/runtime": "^7.15.4",
-    "@polkadot/util": "7.7.1",
+    "@babel/runtime": "^7.16.0",
+    "@polkadot/util": "7.8.2",
     "buffer-es6": "^4.9.3"
   }
 }

packages/x-bundle/src/packageInfo.ts

@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/x-bundle', version: '7.7.1' };
+export const packageInfo = { name: '@polkadot/x-bundle', version: '7.8.2' };

packages/x-fetch/package.json

@@ -17,14 +17,14 @@
   },
   "sideEffects": false,
   "type": "module",
-  "version": "7.7.1",
+  "version": "7.8.2",
   "browser": "browser.js",
   "main": "node.js",
   "react-native": "react-native.js",
   "dependencies": {
-    "@babel/runtime": "^7.15.4",
-    "@polkadot/x-global": "7.7.1",
+    "@babel/runtime": "^7.16.0",
+    "@polkadot/x-global": "7.8.2",
     "@types/node-fetch": "^2.5.12",
-    "node-fetch": "^2.6.5"
+    "node-fetch": "^2.6.6"
   }
 }

packages/x-fetch/src/packageInfo.ts

@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/x-fetch', version: '7.7.1' };
+export const packageInfo = { name: '@polkadot/x-fetch', version: '7.8.2' };

packages/x-global/package.json

@@ -17,9 +17,9 @@
   },
   "sideEffects": false,
   "type": "module",
-  "version": "7.7.1",
+  "version": "7.8.2",
   "main": "index.js",
   "dependencies": {
-    "@babel/runtime": "^7.15.4"
+    "@babel/runtime": "^7.16.0"
   }
 }

packages/x-global/src/packageInfo.ts

@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/x-global', version: '7.7.1' };
+export const packageInfo = { name: '@polkadot/x-global', version: '7.8.2' };

packages/x-randomvalues/package.json

@@ -17,15 +17,15 @@
   },
   "sideEffects": false,
   "type": "module",
-  "version": "7.7.1",
+  "version": "7.8.2",
   "browser": "browser.js",
   "main": "node.js",
   "react-native": "react-native.js",
   "dependencies": {
-    "@babel/runtime": "^7.15.4",
-    "@polkadot/x-global": "7.7.1"
+    "@babel/runtime": "^7.16.0",
+    "@polkadot/x-global": "7.8.2"
   },
   "devDependencies": {
-    "@types/react-native": "^0.66.1"
+    "@types/react-native": "^0.66.2"
   }
 }

packages/x-randomvalues/src/packageInfo.ts

@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/x-randomvalues', version: '7.7.1' };
+export const packageInfo = { name: '@polkadot/x-randomvalues', version: '7.8.2' };

packages/x-textdecoder/package.json

@@ -17,12 +17,12 @@
   },
   "sideEffects": false,
   "type": "module",
-  "version": "7.7.1",
+  "version": "7.8.2",
   "browser": "browser.js",
   "main": "node.js",
   "react-native": "react-native.js",
   "dependencies": {
-    "@babel/runtime": "^7.15.4",
-    "@polkadot/x-global": "7.7.1"
+    "@babel/runtime": "^7.16.0",
+    "@polkadot/x-global": "7.8.2"
   }
 }

packages/x-textdecoder/src/packageInfo.ts

@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/x-textdecoder', version: '7.7.1' };
+export const packageInfo = { name: '@polkadot/x-textdecoder', version: '7.8.2' };

packages/x-textencoder/package.json

@@ -17,12 +17,12 @@
   },
   "sideEffects": false,
   "type": "module",
-  "version": "7.7.1",
+  "version": "7.8.2",
   "browser": "browser.js",
   "main": "node.js",
   "react-native": "react-native.js",
   "dependencies": {
-    "@babel/runtime": "^7.15.4",
-    "@polkadot/x-global": "7.7.1"
+    "@babel/runtime": "^7.16.0",
+    "@polkadot/x-global": "7.8.2"
   }
 }

packages/x-textencoder/src/packageInfo.ts

@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/x-textencoder', version: '7.7.1' };
+export const packageInfo = { name: '@polkadot/x-textencoder', version: '7.8.2' };

packages/x-ws/package.json

@@ -17,13 +17,13 @@
   },
   "sideEffects": false,
   "type": "module",
-  "version": "7.7.1",
+  "version": "7.8.2",
   "browser": "browser.js",
   "main": "node.js",
   "react-native": "react-native.js",
   "dependencies": {
-    "@babel/runtime": "^7.15.4",
-    "@polkadot/x-global": "7.7.1",
+    "@babel/runtime": "^7.16.0",
+    "@polkadot/x-global": "7.8.2",
     "@types/websocket": "^1.0.4",
     "websocket": "^1.0.34"
   }

packages/x-ws/src/packageInfo.ts

@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/x-ws', version: '7.7.1' };
+export const packageInfo = { name: '@polkadot/x-ws', version: '7.8.2' };