[CI Skip] 2.11.1

skip-checks: true

.eslintignore

@@ -1,3 +1,4 @@
+.eslintrc.js
 **/build/*
 **/coverage/*
 **/node_modules/*

CHANGELOG.md

@@ -1,4 +1,16 @@
-# 2.9.1 Apr 23, 2020
+# 2.11.1 May 26, 2020
+
+- Internal cleanups on typings
+- Support for latest TypeScript, eslint & typescript-eslint
+
+# 2.10.1 May 14, 2020
+
+- Add Kulupu ss58 prefix as an allowed value (Thanks to https://github.com/sorpaas)
+- Make the `TextEncoder` polyfill handle non-compliant Buffer implementations (newer versions of Jest)
+- `DeriveJunction` now also allows for BigInt values (aligning with number types elsewhere)
+- Small code-flow optimizations
+
+# 2.9.1 Apr 30, 2020
 
 - Add support for ECDSA keypairs (Thanks to https://github.com/akru)
 - Added `createKeyMulti` & `createKeySub` to create utility sub & multi keys

lerna.json

@@ -9,5 +9,5 @@
   "packages": [
     "packages/*"
   ],
-  "version": "2.9.1"
+  "version": "2.11.1"
 }

package.json

@@ -7,7 +7,7 @@
     "packages/*"
   ],
   "resolutions": {
-    "typescript": "^3.8.3"
+    "babel-core": "^7.0.0-bridge.0"
   },
   "scripts": {
     "build": "polkadot-dev-build-ts",
@@ -21,9 +21,9 @@
     "test:one": "polkadot-dev-run-test"
   },
   "devDependencies": {
-    "@babel/core": "^7.9.0",
-    "@polkadot/dev": "^0.52.11",
-    "@polkadot/ts": "^0.3.18",
-    "@types/jest": "^25.2.1"
+    "@babel/core": "^7.9.6",
+    "@polkadot/dev": "^0.54.1",
+    "@polkadot/ts": "^0.3.23",
+    "@types/jest": "^25.2.3"
   }
 }

packages/keyring/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/keyring",
-  "version": "2.9.1",
+  "version": "2.11.1",
   "description": "Keyring management",
   "main": "index.js",
   "publishConfig": {
@@ -27,8 +27,8 @@
   },
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/keyring#readme",
   "dependencies": {
-    "@babel/runtime": "^7.9.2",
-    "@polkadot/util": "2.9.1",
-    "@polkadot/util-crypto": "2.9.1"
+    "@babel/runtime": "^7.9.6",
+    "@polkadot/util": "2.11.1",
+    "@polkadot/util-crypto": "2.11.1"
   }
 }

packages/keyring/src/pair/toJson.ts

@@ -7,9 +7,10 @@ import { KeyringPair$Json, KeyringPair$Meta } from '../types';
 
 import { u8aToHex } from '@polkadot/util';
 
-type PairStateJson = KeyringPair$Meta & {
+interface PairStateJson {
   address: string;
-};
+  meta: KeyringPair$Meta;
+}
 
 export default function toJson (type: KeypairType, { address, meta }: PairStateJson, encoded: Uint8Array, isEncrypted: boolean): KeyringPair$Json {
   return {

packages/keyring/src/types.ts

@@ -10,10 +10,7 @@ export interface KeyringOptions {
   type?: KeypairType;
 }
 
-export interface KeyringPair$Meta {
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  [index: string]: any;
-}
+export type KeyringPair$Meta = Record<string, unknown>;
 
 export type KeyringPair$JsonVersion = '0' | '1' | '2';
 

packages/util-crypto/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/util-crypto",
-  "version": "2.9.1",
+  "version": "2.11.1",
   "description": "A collection of useful crypto utilities for @polkadot",
   "main": "index.js",
   "keywords": [
@@ -25,13 +25,13 @@
   },
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/util-crypto#readme",
   "dependencies": {
-    "@babel/runtime": "^7.9.2",
-    "@polkadot/util": "2.9.1",
+    "@babel/runtime": "^7.9.6",
+    "@polkadot/util": "2.11.1",
     "@polkadot/wasm-crypto": "^1.2.1",
     "base-x": "^3.0.8",
     "bip39": "^3.0.2",
     "blakejs": "^1.1.0",
-    "bn.js": "^5.1.1",
+    "bn.js": "^5.1.2",
     "bs58": "^4.0.1",
     "elliptic": "^6.5.2",
     "js-sha3": "^0.8.0",
@@ -44,6 +44,6 @@
     "@types/bs58": "^4.0.1",
     "@types/elliptic": "^6.4.12",
     "@types/pbkdf2": "^3.0.0",
-    "@types/xxhashjs": "^0.2.1"
+    "@types/xxhashjs": "^0.2.2"
   }
 }

packages/util-crypto/src/address/decode.ts

@@ -20,7 +20,7 @@ export default function decode (encoded: string | Uint8Array, ignoreChecksum?: b
 
   const decoded = bufferToU8a(bs58.decode(encoded));
   const error = (message: string): string =>
-    `Decoding ${encoded}: ${message}`;
+    `Decoding ${encoded as string}: ${message}`;
 
   // assert(defaults.allowedPrefix.includes(decoded[0] as Prefix), error('Invalid decoded address prefix'));
   assert(defaults.allowedEncodedLengths.includes(decoded.length), error('Invalid decoded address length'));

packages/util-crypto/src/address/encode.ts

@@ -17,7 +17,7 @@ export default function encode (_key: Uint8Array | string, ss58Format: Prefix =
   // decode it, this means we can re-encode an address
   const key = decode(_key);
 
-  assert(defaults.allowedDecodedLengths.includes(key.length), `Expected a valid key to convert, with length ${defaults.allowedDecodedLengths}`);
+  assert(defaults.allowedDecodedLengths.includes(key.length), `Expected a valid key to convert, with length ${defaults.allowedDecodedLengths.join(', ')}`);
 
   const isPublicKey = key.length === 32;
 

packages/util-crypto/src/address/ss58.ts

@@ -7,6 +7,8 @@ export const allowedSS58 = [
   0, 1,
   // Kusama
   2, 3,
+  // Kulupu
+  16, 17,
   // Dothereum
   20,
   // Substrate default

packages/util-crypto/src/key/DeriveJunction.ts

@@ -2,8 +2,9 @@
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
-import BN from 'bn.js';
-import { bnToHex, compactAddLength, hexToU8a, isBn, isHex, isNumber, isString, stringToU8a } from '@polkadot/util';
+import type BN from 'bn.js';
+
+import { bnToHex, compactAddLength, hexToU8a, isBigInt, isBn, isHex, isNumber, isString, stringToU8a } from '@polkadot/util';
 
 import blake2AsU8a from '../blake2/asU8a';
 
@@ -21,10 +22,10 @@ export default class DeriveJunction {
   #isHard = false;
 
   public static from (value: string): DeriveJunction {
+    const result = new DeriveJunction();
     const [code, isHard] = value.startsWith('/')
       ? [value.substr(1), true]
       : [value, false];
-    const result = new DeriveJunction();
 
     result.soft(
       RE_NUMBER.test(code)
@@ -49,7 +50,7 @@ export default class DeriveJunction {
     return !this.#isHard;
   }
 
-  public hard (value: number | BN | string | Uint8Array): DeriveJunction {
+  public hard (value: number | string | BigInt | BN | Uint8Array): DeriveJunction {
     return this.soft(value).harden();
   }
 
@@ -59,8 +60,8 @@ export default class DeriveJunction {
     return this;
   }
 
-  public soft (value: number | BN | string | Uint8Array): DeriveJunction {
-    if (isNumber(value) || isBn(value)) {
+  public soft (value: number | string | BigInt | BN | Uint8Array): DeriveJunction {
+    if (isNumber(value) || isBn(value) || isBigInt(value)) {
       return this.soft(bnToHex(value, BN_OPTIONS));
     } else if (isString(value)) {
       return isHex(value)

packages/util-crypto/src/nacl/open.spec.ts

@@ -33,19 +33,19 @@ describe('naclOpen', (): void => {
     // Receiver sends encrypting public key to receive message to decrypt with his private key
     const receiverIdBoxKey = naclBoxKeypairFromSecret(receiverIdKey.secretKey);
 
-    console.log(`Receiver sends receiver's public key to sender ${receiverIdBoxKey.publicKey}`);
+    console.log(`Receiver sends receiver's public key to sender ${receiverIdBoxKey.publicKey.toString()}`);
 
     // Sender encrypts message to send with the public key the receiver sent and send it to receiver
     const senderIdBoxKey = naclBoxKeypairFromSecret(senderIdKey.secretKey);
     const message = new Uint8Array([1, 2, 3, 4, 5, 4, 3, 2, 1]);
     const { nonce, sealed } = naclSeal(message, senderIdBoxKey.secretKey, receiverIdBoxKey.publicKey);
 
-    console.log(`Sender sends encrypted message to receiver ${sealed}, ${nonce}`);
+    console.log(`Sender sends encrypted message to receiver ${sealed.toString()}, ${nonce.toString()}`);
 
     // Receiver opens encrypted message from the sender
     let opened = naclOpen(sealed, nonce, senderIdBoxKey.publicKey, receiverIdBoxKey.secretKey);
 
-    console.log(`The sealed message is ${opened}`);
+    console.log(`The sealed message is ${opened?.toString() || 'null'}`);
 
     // Oh no the Id key is hacked, derive Id key again from another index
     const senderIdKey2 = fromPath(sender, keyExtractPath('//1//1//1//2').path, 'ed25519');
@@ -54,7 +54,7 @@ describe('naclOpen', (): void => {
     // Receiver sends encrypting public key to receive message to decrypt with his private key
     const receiverIdBoxKey2 = naclBoxKeypairFromSecret(receiverIdKey2.secretKey);
 
-    console.log(`Receiver sends receiver's public key to sender ${receiverIdBoxKey2.publicKey}`);
+    console.log(`Receiver sends receiver's public key to sender ${receiverIdBoxKey2.publicKey.toString()}`);
 
     // Sender encrypts message to send with the public key the receiver sent and send it to receiver
     const senderIdBoxKey2 = naclBoxKeypairFromSecret(senderIdKey2.secretKey);
@@ -63,17 +63,17 @@ describe('naclOpen', (): void => {
     const sealed2 = ctx.sealed;
     const nonce2 = ctx.nonce;
 
-    console.log(`Sender sends encrypted message to receiver ${sealed}, ${nonce}`);
+    console.log(`Sender sends encrypted message to receiver ${sealed.toString()}, ${nonce.toString()}`);
 
     // Receiver opens encrypted message from the sender
     opened = naclOpen(sealed2, nonce2, senderIdBoxKey2.publicKey, receiverIdBoxKey2.secretKey);
-    console.log(`The sealed message is ${opened}`);
+    console.log(`The sealed message is ${opened?.toString() || 'null'}`);
 
     // This time derive key for each message to send and receive
     // Receiver sends encrypting public key to receive message to decrypt with his private key
     const receiverIdBoxKey2One = naclBoxKeypairFromSecret(receiverIdBoxKey2.secretKey);
 
-    console.log(`Receiver sends receiver's public key to sender ${receiverIdBoxKey2One.publicKey}`);
+    console.log(`Receiver sends receiver's public key to sender ${receiverIdBoxKey2One.publicKey.toString()}`);
 
     // Sender encrypts message to send with the public key the receiver sent and send it to receiver
     const senderIdBoxKey2One = naclBoxKeypairFromSecret(senderIdBoxKey2.secretKey);
@@ -84,11 +84,11 @@ describe('naclOpen', (): void => {
     const sealed3 = ctx.sealed;
     const nonce3 = ctx.nonce;
 
-    console.log(`Sender sends encrypted message to receiver ${sealed3}, ${nonce3}`);
+    console.log(`Sender sends encrypted message to receiver ${sealed3.toString()}, ${nonce3.toString()}`);
 
     // Receiver opens encrypted message from the sender
     opened = naclOpen(sealed2, nonce2, senderIdBoxKey2One.publicKey, receiverIdBoxKey2One.secretKey);
-    console.log(`The sealed message is ${opened}`);
+    console.log(`The sealed message is ${opened?.toString() || 'null'}`);
   });
 
   it('returns null on invalid', (): void => {

packages/util-crypto/src/secp256k1/keypair/fromSeed.ts

@@ -14,11 +14,12 @@ const ec = new EC('secp256k1');
  * @description Returns a object containing a `publicKey` & `secretKey` generated from the supplied seed.
  */
 export default function secp256k1KeypairFromSeed (seed: Uint8Array): Keypair {
-  assert(seed.length === 32, 'Expected valid 32-byte private key as a seed: ' + seed);
+  assert(seed.length === 32, 'Expected valid 32-byte private key as a seed');
+
   const key = ec.keyFromPrivate(seed);
 
   return {
     publicKey: new Uint8Array(key.getPublic().encodeCompressed('array')),
-    secretKey: hexToU8a('0x' + key.getPrivate('hex'))
+    secretKey: hexToU8a(`0x${key.getPrivate('hex')}`)
   };
 }

packages/util-crypto/src/secp256k1/recover.ts

@@ -13,6 +13,7 @@ const ec = new EC('secp256k1');
  */
 export default function secp256k1Recover (message: Uint8Array, signature: Uint8Array, recovery: number): Uint8Array {
   return new Uint8Array(
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-call,@typescript-eslint/no-unsafe-member-access
     ec
       .recoverPubKey(message, { r: signature.slice(0, 32), s: signature.slice(32, 64) }, recovery)
       .encode(null, true)

packages/util-crypto/src/secp256k1/verify.ts

@@ -21,6 +21,7 @@ export default function secp256k1Verify (message: Uint8Array | string, signature
   };
   const recovery = signatureU8a[64];
   const publicKey = new Uint8Array(
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-call,@typescript-eslint/no-unsafe-member-access
     ec.recoverPubKey(blake2AsU8a(message, 256), sig, recovery)
       .encodeCompressed(null)
   );

packages/util/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/util",
-  "version": "2.9.1",
+  "version": "2.11.1",
   "description": "A collection of useful utilities for @polkadot",
   "main": "index.js",
   "keywords": [
@@ -25,9 +25,9 @@
   },
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/util#readme",
   "dependencies": {
-    "@babel/runtime": "^7.9.2",
+    "@babel/runtime": "^7.9.6",
     "@types/bn.js": "^4.11.6",
-    "bn.js": "^5.1.1",
+    "bn.js": "^5.1.2",
     "camelcase": "^5.3.1",
     "chalk": "^4.0.0",
     "ip-regex": "^4.1.0"

packages/util/src/array/filter.ts

@@ -21,8 +21,8 @@ import isUndefined from '../is/undefined';
  * ```
  */
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
-export default function arrayFilter (array: any[], allowNulls = true): any[] {
-  return array.filter((value): boolean => {
-    return !isUndefined(value) && (allowNulls || !isNull(value));
-  });
+export default function arrayFilter <T = any> (array: T[], allowNulls = true): T[] {
+  return array.filter((value) =>
+    !isUndefined(value) && (allowNulls || !isNull(value))
+  );
 }

packages/util/src/assert.ts

@@ -22,7 +22,7 @@ type MessageFn = () => string;
  * assert(false, () => 'message'); // Error with 'message'
  * ```
  */
-export default function assert (condition: boolean | object | string | number | undefined | null, message: string | MessageFn): asserts condition {
+export default function assert (condition: unknown, message: string | MessageFn): asserts condition {
   if (!condition) {
     throw new Error(
       isFunction(message)

packages/util/src/bn/toBn.spec.ts

@@ -21,7 +21,7 @@ describe('bnToBn', (): void => {
 
   it('converts BigInt values to BN', (): void => {
     expect(
-      bnToBn(128_821n).toNumber()
+      bnToBn(128821n).toNumber()
     ).toEqual(128821);
   });
 

packages/util/src/bn/toU8a.spec.ts

@@ -10,7 +10,7 @@ describe('bnToU8a', (): void => {
   it('converts null values to 0x00', (): void => {
     expect(
       bnToU8a(null, -1, false)
-    ).toEqual(new Uint8Array([]));
+    ).toEqual(new Uint8Array());
   });
 
   it('converts null values to 0x00000000 (bitLength)', (): void => {

packages/util/src/bn/toU8a.ts

@@ -43,7 +43,7 @@ function bnToU8a (value: BN | BigInt | number | null, arg1: number | Options = {
 
   if (!value) {
     return _options.bitLength === -1
-      ? new Uint8Array([])
+      ? new Uint8Array()
       : new Uint8Array(byteLength);
   }
 

packages/util/src/buffer/toU8a.spec.ts

@@ -8,7 +8,7 @@ describe('bufferToU8a', (): void => {
   it('returns an empty buffer when null provided', (): void => {
     expect(
       bufferToU8a(null)
-    ).toEqual(new Uint8Array([]));
+    ).toEqual(new Uint8Array());
   });
 
   it('returns a Uint8Buffer with the correct values', (): void => {

packages/util/src/buffer/toU8a.ts

@@ -17,9 +17,5 @@
  * ```
  */
 export default function bufferToU8a (buffer?: Buffer | number[] | null): Uint8Array {
-  if (!buffer) {
-    return new Uint8Array([]);
-  }
-
-  return new Uint8Array(buffer);
+  return new Uint8Array(buffer || []);
 }

packages/util/src/format/formatBalance.spec.ts

@@ -23,7 +23,7 @@ describe('formatBalance', (): void => {
 
     it('formats BigInt numbers', (): void => {
       expect(
-        formatBalance(123_456_789_000n, { decimals: 15, withSi: true })
+        formatBalance(123456789000n, { decimals: 15, withSi: true })
       ).toEqual('123.456µ Unit');
     });
 

packages/util/src/format/formatNumber.spec.ts

@@ -27,7 +27,7 @@ describe('formatNumber', (): void => {
 
   it('formats BigInt numbers', (): void => {
     expect(
-      formatNumber(123_456_789n)
+      formatNumber(123456789n)
     ).toEqual('123,456,789');
   });
 

packages/util/src/hex/toBn.spec.ts

@@ -53,6 +53,12 @@ describe('hexToBn', (): void => {
     ).toBe(-1234);
   });
 
+  it('handles negative numbers (LE, 128)', (): void => {
+    expect(
+      hexToBn('0x00009c584c491ff2ffffffffffffffff', { isLe: true, isNegative: true }).toString()
+    ).toEqual('-1000000000000000000');
+  });
+
   it('handles starting zeros correctly (BE)', (): void => {
     expect(
       hexToBn('0x0000000000000100', { isLe: false }).toNumber()

packages/util/src/hex/toU8a.ts

@@ -23,7 +23,7 @@ import hexStripPrefix from './stripPrefix';
  */
 export default function hexToU8a (_value?: string | null, bitLength = -1): Uint8Array {
   if (!_value) {
-    return new Uint8Array([]);
+    return new Uint8Array();
   }
 
   assert(isHex(_value), `Expected hex value to convert, found '${_value}'`);

packages/util/src/is/bigInt.spec.ts

@@ -7,13 +7,13 @@ import { isBigInt } from '.';
 describe('isBigInt', (): void => {
   it('returns true when a BigInt value', (): void => {
     expect(
-      isBigInt(123_456n)
+      isBigInt(123456n)
     ).toEqual(true);
   });
 
   it('returns true when a BigInt value', (): void => {
     expect(
-      isBigInt(BigInt(123_456))
+      isBigInt(BigInt(123456))
     ).toEqual(true);
   });
 

packages/util/src/is/bigInt.ts

@@ -16,6 +16,6 @@
  * console.log('isBigInt', isBigInt(123_456n)); // => true
  * ```
  */
-export default function isBigInt (value: BigInt | object | string | number | undefined | null): value is BigInt {
+export default function isBigInt (value: unknown): value is BigInt {
   return typeof value === 'bigint';
 }

packages/util/src/is/bn.ts

@@ -19,6 +19,6 @@ import BN from 'bn.js';
  * console.log('isBn', isBn(new BN(1))); // => true
  * ```
  */
-export default function isBn (value: object | string | number | undefined | null): value is BN {
+export default function isBn (value: unknown): value is BN {
   return BN.isBN(value);
 }

packages/util/src/is/boolean.ts

@@ -16,7 +16,6 @@
  * isBoolean(false); // => true
  * ```
  */
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export default function isBoolean (value: any): value is boolean {
+export default function isBoolean (value: unknown): value is boolean {
   return typeof value === 'boolean';
 }

packages/util/src/is/buffer.ts

@@ -18,7 +18,6 @@ import isInstanceOf from './instanceOf';
  * console.log('isBuffer', isBuffer(Buffer.from([]))); // => true
  * ```
  */
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export default function isBuffer (value: any): value is Buffer {
+export default function isBuffer (value: unknown): value is Buffer {
   return isInstanceOf(value, Buffer);
 }

packages/util/src/is/error.ts

@@ -18,7 +18,6 @@ import isInstanceOf from './instanceOf';
  * console.log('isError', isError(new Error('message'))); // => true
  * ```
  */
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export default function isError (value: any): value is Error {
+export default function isError (value: unknown): value is Error {
   return isInstanceOf(value, Error);
 }

packages/util/src/is/function.ts

@@ -16,7 +16,7 @@
  * isFunction(() => false); // => true
  * ```
  */
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export default function isFunction (value: any): value is Function {
+// eslint-disable-next-line @typescript-eslint/ban-types
+export default function isFunction (value: unknown): value is Function {
   return typeof value === 'function';
 }

packages/util/src/is/hex.ts

@@ -21,13 +21,13 @@ const HEX_REGEX = /^0x[a-fA-F0-9]+$/;
  * isHex('0x1234', 8); // => false
  * ```
  */
-// eslint-disable-next-line @typescript-eslint/no-explicit-any,@typescript-eslint/ban-types
-export default function isHex (value: any, bitLength = -1, ignoreLength = false): value is string | String {
+// eslint-disable-next-line @typescript-eslint/ban-types
+export default function isHex (value: unknown, bitLength = -1, ignoreLength = false): value is string | String {
   const isValidHex = value === '0x' || (isString(value) && HEX_REGEX.test(value.toString()));
 
   if (isValidHex && bitLength !== -1) {
-    return value.length === (2 + Math.ceil(bitLength / 4));
+    return (value as string).length === (2 + Math.ceil(bitLength / 4));
   }
 
-  return isValidHex && (ignoreLength || (value.length % 2 === 0));
+  return isValidHex && (ignoreLength || ((value as string).length % 2 === 0));
 }

packages/util/src/is/instanceOf.ts

@@ -16,7 +16,7 @@
  * console.log('isInstanceOf', isInstanceOf(new Array(0), Array)); // => true
  * ```
  */
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export default function isInstanceOf (value: any, clazz: any): boolean {
+// eslint-disable-next-line @typescript-eslint/ban-types
+export default function isInstanceOf (value: unknown, clazz: Function): boolean {
   return value instanceof clazz;
 }

packages/util/src/is/jsonObject.ts

@@ -31,17 +31,15 @@ interface ObjectIndexed {
  * isJsonObject('not an object'); // => false
  * ```
  */
-
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export default function isJsonObject (value: any): value is ObjectIndexed {
-  value = typeof value !== 'string'
+export default function isJsonObject (value: unknown): value is ObjectIndexed {
+  const str = typeof value !== 'string'
     ? JSON.stringify(value)
     : value;
 
   try {
-    value = JSON.parse(value);
+    const obj = JSON.parse(str) as unknown;
 
-    return (typeof value === 'object' && value !== null);
+    return (typeof obj === 'object' && obj !== null);
   } catch (e) {
     return false;
   }

packages/util/src/is/null.ts

@@ -16,7 +16,6 @@
  * console.log('isNull', isNull(null)); // => true
  * ```
  */
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export default function isNull (value?: any): value is null {
+export default function isNull (value?: unknown): value is null {
   return value === null;
 }

packages/util/src/is/number.ts

@@ -16,7 +16,6 @@
  * console.log('isNumber', isNumber(1234)); // => true
  * ```
  */
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export default function isNumber (value: any): value is number {
+export default function isNumber (value: unknown): value is number {
   return typeof value === 'number';
 }

packages/util/src/is/object.ts

@@ -22,7 +22,6 @@ interface ObjectIndexed {
  * isObject('something'); // => false
  * ```
  */
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export default function isObject (value: any): value is ObjectIndexed {
+export default function isObject (value: unknown): value is ObjectIndexed {
   return typeof value === 'object';
 }

packages/util/src/is/observable.ts

@@ -24,7 +24,6 @@ interface Observable {
  * console.log('isObservable', isObservable(...));
  * ```
  */
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export default function isObservable (value: any): value is Observable {
+export default function isObservable (value: unknown): value is Observable {
   return isObject(value) && isFunction((value as Observable).next);
 }

packages/util/src/is/string.ts

@@ -16,7 +16,7 @@
  * console.log('isString', isString('test')); // => true
  * ```
  */
-// eslint-disable-next-line @typescript-eslint/no-explicit-any,@typescript-eslint/ban-types
-export default function isString (value: any): value is string | String {
+// eslint-disable-next-line @typescript-eslint/ban-types
+export default function isString (value: unknown): value is string | String {
   return typeof value === 'string' || value instanceof String;
 }

packages/util/src/is/toBn.ts

@@ -6,7 +6,6 @@ import { ToBn } from '../types';
 
 import isFunction from './function';
 
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export default function isToBn (value?: any): value is ToBn {
+export default function isToBn (value?: unknown): value is ToBn {
   return !!value && isFunction((value as ToBn).toBn);
 }

packages/util/src/is/u8a.spec.ts

@@ -19,7 +19,7 @@ describe('isUint8Array', (): void => {
 
   it('returns true on Uint8Array values', (): void => {
     expect(
-      isU8a(new Uint8Array([]))
+      isU8a(new Uint8Array())
     ).toEqual(true);
   });
 });

packages/util/src/is/u8a.ts

@@ -18,7 +18,6 @@ import isInstanceOf from './instanceOf';
  * console.log('isU8a', isU8a([])); // => false
  * ```
  */
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export default function isU8a (value?: any): value is Uint8Array {
+export default function isU8a (value?: unknown): value is Uint8Array {
   return isInstanceOf(value, Uint8Array);
 }

packages/util/src/is/undefined.ts

@@ -17,6 +17,6 @@
  * ```
  */
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
-export default function isUndefined (value?: any): value is undefined {
+export default function isUndefined (value?: unknown): value is undefined {
   return typeof value === 'undefined';
 }

packages/util/src/logger.spec.ts

@@ -8,10 +8,8 @@ import { logger } from '.';
 import { format } from './logger';
 
 describe('logger', (): void => {
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  let dateMatch: any;
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  let prefixMatch: any;
+  let dateMatch: unknown;
+  let prefixMatch: unknown;
   let l: Logger;
   let ln: Logger;
   let spy: Partial<Console>;
@@ -34,7 +32,9 @@ describe('logger', (): void => {
     };
     global.console = spy as Console;
 
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
     dateMatch = expect.stringMatching(/20[0-9]{2}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}/);
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
     prefixMatch = expect.stringMatching(/TEST:/);
   });
 
@@ -146,8 +146,7 @@ describe('logger', (): void => {
   });
 
   it('does not debug log when no process.env', (): void => {
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    process.env = undefined as any;
+    process.env = undefined as unknown as NodeJS.ProcessEnv;
 
     l = logger('test');
     l.debug('test');

packages/util/src/logger.ts

@@ -31,22 +31,17 @@ const chalked = {
   warn: chalk.yellow
 };
 
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-function formatObject (value: Record<string, any>): any {
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  const result: Record<string, any> = {};
+function formatObject (value: Record<string, unknown>): Record<string, unknown> {
+  const result: Record<string, unknown> = {};
 
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  return Object.keys(value).reduce((result, key): Record<string, any> => {
-    // eslint-disable-next-line @typescript-eslint/no-use-before-define
+  return Object.keys(value).reduce((result, key): Record<string, unknown> => {
     result[key] = format(value[key]);
 
     return result;
   }, result);
 }
 
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export function format (value: any): any {
+export function format (value: unknown): unknown {
   if (Array.isArray(value)) {
     return value.map(format);
   }
@@ -72,6 +67,7 @@ export function format (value: any): any {
 
 function apply (log: LogType, type: string, values: Logger$Data): void {
   if (values.length === 1 && isFunction(values[0])) {
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment,@typescript-eslint/ban-types
     const fnResult = (values[0] as Function)();
 
     return apply(log, type, Array.isArray(fnResult) ? fnResult : [fnResult]);

packages/util/src/number/toU8a.spec.ts

@@ -8,25 +8,25 @@ describe('numberToU8a', (): void => {
   it('converts 0 to empty', (): void => {
     expect(
       numberToU8a(0)
-    ).toEqual(new Uint8Array([]));
+    ).toEqual(new Uint8Array());
   });
 
   it('converts undefined to empty', (): void => {
     expect(
       numberToU8a()
-    ).toEqual(new Uint8Array([]));
+    ).toEqual(new Uint8Array());
   });
 
   it('converts null to empty', (): void => {
     expect(
       numberToU8a(null)
-    ).toEqual(new Uint8Array([]));
+    ).toEqual(new Uint8Array());
   });
 
   it('converts NaN to empty', (): void => {
     expect(
       numberToU8a(NaN)
-    ).toEqual(new Uint8Array([]));
+    ).toEqual(new Uint8Array());
   });
 
   it('converts values to the u8a', (): void => {

packages/util/src/number/toU8a.ts

@@ -21,7 +21,7 @@ import numberToHex from './toHex';
  */
 export default function numberToU8a (value?: number | null, bitLength = -1): Uint8Array {
   if (!value || isNaN(value)) {
-    return new Uint8Array([]);
+    return new Uint8Array();
   }
 
   return hexToU8a(

packages/util/src/polyfill/fill.spec.ts

@@ -2,7 +2,6 @@
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
-/* eslint-disable @typescript-eslint/ban-ts-ignore */
 /* eslint-disable no-extend-native */
 /* eslint-disable @typescript-eslint/unbound-method */
 
@@ -15,8 +14,10 @@ describe('Array.fill', (): void => {
     arrayFill = Array.prototype.fill;
     u8aFill = Uint8Array.prototype.fill;
 
+    // eslint-disable-next-line @typescript-eslint/ban-ts-comment
     // @ts-ignore
     Array.prototype.fill = null;
+    // eslint-disable-next-line @typescript-eslint/ban-ts-comment
     // @ts-ignore
     Uint8Array.prototype.fill = null;
 

packages/util/src/polyfill/fill.ts

@@ -13,9 +13,11 @@ if (!Array.prototype.fill) {
       throw new TypeError('this is null or not defined');
     }
 
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
     const A = Object(this);
 
     // Steps 3-5.
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
     const len = A.length >>> 0;
 
     // Steps 6-7.
@@ -38,17 +40,19 @@ if (!Array.prototype.fill) {
 
     // Step 12.
     while (k < final) {
+      // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment,@typescript-eslint/no-unsafe-member-access
       A[k] = value;
       k++;
     }
 
     // Step 13.
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-return
     return A;
   };
 }
 
 if (!Uint8Array.prototype.fill) {
-  // eslint-disable-next-line @typescript-eslint/ban-ts-ignore
+  // eslint-disable-next-line @typescript-eslint/ban-ts-comment
   // @ts-ignore
   Uint8Array.prototype.fill = Array.prototype.fill;
 }

packages/util/src/polyfill/padEnd.spec.ts

@@ -10,7 +10,7 @@ describe('String padEnd', (): void => {
   beforeEach((): void => {
     stringEnd = String.prototype.padEnd;
 
-    // eslint-disable-next-line no-extend-native,@typescript-eslint/no-explicit-any
+    // eslint-disable-next-line no-extend-native,@typescript-eslint/no-explicit-any,@typescript-eslint/no-unsafe-assignment
     String.prototype.padEnd = null as any;
 
     require('./padEnd');

packages/util/src/polyfill/padStart.spec.ts

@@ -10,7 +10,7 @@ describe('String padStart', (): void => {
   beforeEach((): void => {
     stringStart = String.prototype.padStart;
 
-    // eslint-disable-next-line no-extend-native,@typescript-eslint/no-explicit-any
+    // eslint-disable-next-line no-extend-native,@typescript-eslint/no-explicit-any,@typescript-eslint/no-unsafe-assignment
     String.prototype.padStart = null as any;
 
     require('./padStart');

packages/util/src/polyfill/setPrototypeOf.spec.ts

@@ -3,16 +3,14 @@
 // of the Apache-2.0 license. See the LICENSE file for details.
 
 /* eslint-disable no-proto */
-/* eslint-disable @typescript-eslint/ban-ts-ignore */
-/* eslint-disable @typescript-eslint/unbound-method */
 
 describe('setPrototypeOf', (): void => {
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  let orig: (o: any, proto: object | null) => any;
+  let orig: (o: Record<string, unknown>, proto: Record<string, unknown> | null) => Record<string, unknown>;
 
   beforeEach((): void => {
     orig = Object.setPrototypeOf;
 
+    // eslint-disable-next-line @typescript-eslint/ban-ts-comment
     // @ts-ignore
     Object.setPrototypeOf = null;
 
@@ -27,6 +25,7 @@ describe('setPrototypeOf', (): void => {
     const obj = {};
     const proto = { foo: 'bar' };
 
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
     expect(Object.setPrototypeOf(obj, proto).__proto__).toBe(proto);
   });
 });

packages/util/src/polyfill/setPrototypeOf.ts

@@ -2,13 +2,10 @@
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
-/* eslint-disable @typescript-eslint/unbound-method */
-
 // React Native does not have Object.setPrototypeOf
 if (!Object.setPrototypeOf) {
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  Object.setPrototypeOf = function (obj: any, proto: object | null): void {
-    // eslint-disable-next-line no-proto
+  Object.setPrototypeOf = function (obj: Record<string, unknown>, proto: Record<string, unknown> | null): Record<string, unknown> {
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access,no-proto
     obj.__proto__ = proto;
 
     return obj;

packages/util/src/polyfill/textDecoder.spec.ts

@@ -6,32 +6,32 @@ describe('TextDecoder', (): void => {
   let origTD: TextDecoder;
 
   beforeEach((): void => {
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any,@typescript-eslint/no-unsafe-assignment,@typescript-eslint/no-unsafe-member-access
     origTD = (global as any).TextDecoder;
   });
 
   afterEach((): void => {
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any,@typescript-eslint/no-unsafe-assignment,@typescript-eslint/no-unsafe-member-access
     (global as any).TextDecoder = origTD;
   });
 
   it('polyfills with no exceptions (without TextDecoder)', (): void => {
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any,@typescript-eslint/no-unsafe-assignment,@typescript-eslint/no-unsafe-member-access
     (global as any).TextDecoder = null;
 
     // eslint-disable-next-line @typescript-eslint/no-var-requires
     expect(require('./textDecoder')).toBeDefined();
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any,@typescript-eslint/no-unsafe-assignment,@typescript-eslint/no-unsafe-member-access
     expect((global as any).TextDecoder).toBeDefined();
   });
 
   it('polyfills with no exceptions (with TextDecoder)', (): void => {
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any,@typescript-eslint/no-unsafe-assignment,@typescript-eslint/no-unsafe-member-access
     (global as any).TextDecoder = require('util').TextDecoder;
 
     // eslint-disable-next-line @typescript-eslint/no-var-requires
     expect(require('./textDecoder')).toBeDefined();
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any,@typescript-eslint/no-unsafe-assignment,@typescript-eslint/no-unsafe-member-access
     expect((global as any).TextDecoder).toBeDefined();
   });
 });

packages/util/src/polyfill/textDecoder.ts

@@ -4,8 +4,11 @@
 
 if (typeof TextDecoder === 'undefined') {
   try {
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    (global as any).TextDecoder = require('util').TextDecoder;
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment,@typescript-eslint/no-var-requires
+    const { TextDecoder: UTD } = require('util') as { TextDecoder: { new(): TextDecoder } };
+
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any,@typescript-eslint/no-unsafe-member-access
+    (global as any).TextDecoder = UTD;
   } catch (error) {
     // noop
   }

packages/util/src/polyfill/textEncoder.spec.ts

@@ -6,32 +6,32 @@ describe('TextEncoder', (): void => {
   let origTE: TextEncoder;
 
   beforeEach((): void => {
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any,@typescript-eslint/no-unsafe-assignment,@typescript-eslint/no-unsafe-member-access
     origTE = (global as any).TextEncoder;
   });
 
   afterEach((): void => {
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any,@typescript-eslint/no-unsafe-assignment,@typescript-eslint/no-unsafe-member-access
     (global as any).TextEncoder = origTE;
   });
 
   it('polyfills with no exceptions (without TextEncoder)', (): void => {
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any,@typescript-eslint/no-unsafe-assignment,@typescript-eslint/no-unsafe-member-access
     (global as any).TextEncoder = null;
 
     // eslint-disable-next-line @typescript-eslint/no-var-requires
     expect(require('./textEncoder')).toBeDefined();
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any,@typescript-eslint/no-unsafe-assignment,@typescript-eslint/no-unsafe-member-access
     expect((global as any).TextEncoder).toBeDefined();
   });
 
   it('polyfills with no exceptions (with TextEncoder)', (): void => {
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any,@typescript-eslint/no-unsafe-assignment,@typescript-eslint/no-unsafe-member-access
     (global as any).TextEncoder = require('util').TextEncoder;
 
     // eslint-disable-next-line @typescript-eslint/no-var-requires
     expect(require('./textEncoder')).toBeDefined();
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any,@typescript-eslint/no-unsafe-assignment,@typescript-eslint/no-unsafe-member-access
     expect((global as any).TextEncoder).toBeDefined();
   });
 });

packages/util/src/polyfill/textEncoder.ts

@@ -4,8 +4,24 @@
 
 if (typeof TextEncoder === 'undefined') {
   try {
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    (global as any).TextEncoder = require('util').TextEncoder;
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment,@typescript-eslint/no-var-requires
+    const { TextEncoder: UTE } = require('util') as { TextEncoder: { new(): TextEncoder } };
+
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any,@typescript-eslint/no-unsafe-member-access
+    (global as any).TextEncoder = class {
+      #encoder: TextEncoder;
+
+      constructor () {
+        this.#encoder = new UTE();
+      }
+
+      // For a Jest 26.0.1 environment, Buffer !== Uint8Array
+      encode (value: string): Uint8Array {
+        const encoded = this.#encoder.encode(value);
+
+        return Uint8Array.from(encoded);
+      }
+    };
   } catch (error) {
     // noop
   }

packages/util/src/promisify.spec.ts

@@ -22,7 +22,7 @@ describe('promisify', (): void => {
       .then((): void => {
         throw new Error('Received unexpected result');
       })
-      .catch((error): void => {
+      .catch((error: Error): void => {
         expect(error.message).toEqual('test reject');
       });
   });
@@ -38,7 +38,7 @@ describe('promisify', (): void => {
 
   it('handles functions with parameters (reject)', (): Promise<void> => {
     const fn = (a: number, b: boolean, c: string, cb: (error: Error | null, result?: [number, boolean, string]) => void): void =>
-      cb(new Error(`test reject: ${a},${b},${c}`));
+      cb(new Error(`test reject: ${a},${b.toString()},${c}`));
 
     return promisify(null, fn, 3, 'string', true).catch((error: Error): void => {
       expect(error.message).toEqual('test reject: 3,string,true');

packages/util/src/promisify.ts

@@ -2,8 +2,6 @@
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
-/* eslint-disable @typescript-eslint/no-explicit-any */
-
 /**
  * @name promisify
  * @summary Wraps an async callback into a `Promise`
@@ -19,9 +17,10 @@
  * await promisify(null, (cb) => cb(new Error('error!'))); // rejects with `error!`
  * ```
  */
-export default function promisify (self: any, fn: Function, ...params: any[]): Promise<any> {
+// eslint-disable-next-line @typescript-eslint/ban-types,@typescript-eslint/explicit-module-boundary-types,@typescript-eslint/no-explicit-any
+export default function promisify <R = any> (self: unknown, fn: Function, ...params: any[]): Promise<R> {
   return new Promise((resolve, reject): void => {
-    const handler = (error: Error | null, result?: any): void => {
+    const handler = (error: Error | null, result?: R): void => {
       if (error) {
         reject(error);
       } else {
@@ -29,6 +28,6 @@ export default function promisify (self: any, fn: Function, ...params: any[]): P
       }
     };
 
-    fn.apply(self, [...params, handler]);
+    fn.apply(self, params.concat(handler));
   });
 }

packages/util/src/string/shorten.spec.ts

@@ -14,18 +14,6 @@ describe('stringShorten', (): void => {
   it('returns the shortened value when > maxLength', (): void => {
     expect(
       stringShorten('0123456789', 3)
-    ).toEqual('012..789');
-  });
-
-  it('returns undefined as undefined', (): void => {
-    expect(
-      stringShorten()
-    ).toEqual('undefined');
-  });
-
-  it('returns non-string values as strings', (): void => {
-    expect(
-      stringShorten(12345678, 2)
-    ).toEqual('12..78');
+    ).toEqual('012…789');
   });
 });

packages/util/src/string/shorten.ts

@@ -6,7 +6,7 @@
  * @name stringShorten
  * @summary Returns a string with maximum length
  * @description
- * Checks the string against the `prefixLength`, if longer than dopuble this, shortens it by placing `..` in the middle of it
+ * Checks the string against the `prefixLength`, if longer than double this, shortens it by placing `..` in the middle of it
  * @example
  * <BR>
  *
@@ -17,12 +17,10 @@
  * ```
  */
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
-export default function stringShorten (_value?: any, prefixLength = 6): string {
-  const value = `${_value}`;
-
+export default function stringShorten (value: string, prefixLength = 6): string {
   if (value.length <= 2 + 2 * prefixLength) {
     return value;
   }
 
-  return `${value.substr(0, prefixLength)}..${value.slice(-prefixLength)}`;
+  return `${value.substr(0, prefixLength)}…${value.slice(-prefixLength)}`;
 }

packages/util/src/string/toU8a.spec.ts

@@ -8,7 +8,7 @@ describe('stringToU8a', (): void => {
   it('decodes to an empty string for undefined', (): void => {
     expect(
       stringToU8a()
-    ).toEqual(new Uint8Array([]));
+    ).toEqual(new Uint8Array());
   });
 
   it('encodes the string correctly', (): void => {

packages/util/src/string/toU8a.ts

@@ -39,5 +39,5 @@ try {
 export default function stringToU8a (value?: string): Uint8Array {
   return value
     ? encoder.encode(value)
-    : new Uint8Array([]);
+    : new Uint8Array();
 }

packages/util/src/types.ts

@@ -2,7 +2,7 @@
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
-import BN from 'bn.js';
+import type BN from 'bn.js';
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 export interface Constructor<T = any> {

packages/util/src/u8a/toBn.spec.ts

@@ -33,7 +33,7 @@ describe('u8aToBn', (): void => {
   it('converts empty', (): void => {
     expect(
       u8aToBn(
-        new Uint8Array([]),
+        new Uint8Array(),
         { isLe: true }
       ).toString(16)
     ).toBe('0');

packages/util/src/u8a/toString.spec.ts

@@ -13,7 +13,7 @@ describe('u8aToString', (): void => {
 
   it('decodes to an empty string for empty buffer', (): void => {
     expect(
-      u8aToString(new Uint8Array([]))
+      u8aToString(new Uint8Array())
     ).toEqual('');
   });