Initial rebrand: @polkadot -> @pezkuwi (14 packages)

- Package namespace: @polkadot/* -> @pezkuwi/*
- Repository: polkadot-js/common -> pezkuwichain/pezkuwi-common
- Author: Pezkuwi Team <team@pezkuwichain.io>

Core packages:
- @pezkuwi/util (utilities)
- @pezkuwi/util-crypto (crypto primitives)
- @pezkuwi/keyring (account management)
- @pezkuwi/networks (chain metadata)
- @pezkuwi/hw-ledger (Ledger hardware wallet)
- @pezkuwi/x-* (10 polyfill packages)

Total: 14 packages
Upstream: polkadot-js/common v14.0.1

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

@@ -0,0 +1,119 @@
+// Copyright 2017-2025 @polkadot/util authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+/// <reference types="@polkadot/dev-test/globals.d.ts" />
+
+import { getRandomValues } from '@pezkuwi/x-randomvalues';
+
+import { arrayRange } from '../array/index.js';
+import { perf } from '../test/index.js';
+import { stringCamelCase, stringUpperFirst } from './index.js';
+
+const SEPS = [' ', '_', '-', '.', ','];
+const words = 'bring|brisk|broccoli|broken|bronze|broom|brother|brown|brush|bubble|buddy|budget|buffalo|build|bulb|bulk|bullet|bundle|bunker|burden'.split('|');
+
+function randomAsNumber (): number {
+  const rand = getRandomValues(new Uint8Array(4));
+
+  return rand.reduce((v, t) => (v * t) + v, 0);
+}
+
+const randomWords = arrayRange(256).map((): [string] => {
+  let result = '';
+
+  for (let i = 0; i < 6; i++) {
+    let word = words[randomAsNumber() % words.length];
+
+    if (randomAsNumber() % 2) {
+      word = stringUpperFirst(word);
+    }
+
+    if (i === 0) {
+      result = word;
+    } else {
+      result += `${SEPS[randomAsNumber() % SEPS.length]}${word}`;
+    }
+  }
+
+  return [result];
+});
+
+describe('stringCamelCase', (): void => {
+  it('works correctly', (): void => {
+    expect(
+      stringCamelCase('Snake_case-...SomethingSomething    spaced')
+    ).toBe('snakeCaseSomethingSomethingSpaced');
+  });
+
+  it('works correctly for String (class', (): void => {
+    expect(
+      stringCamelCase(String('Foo_bar-baz---test-_ spaced....Extra'))
+    ).toBe('fooBarBazTestSpacedExtra');
+  });
+
+  it('adjusts all-uppercase', (): void => {
+    expect(
+      stringCamelCase('DEDUP_KEY_PREFIX')
+    ).toEqual('dedupKeyPrefix');
+    expect(
+      stringCamelCase(String('DEDUP_KEY_PREFIX'))
+    ).toEqual('dedupKeyPrefix');
+    expect(
+      stringCamelCase('SOMETHING')
+    ).toEqual('something');
+    expect(
+      stringCamelCase('NMap')
+    ).toEqual('nMap');
+  });
+
+  it('adjusts all-uppercase + digits', (): void => {
+    expect(
+      stringCamelCase('SS58 PreFIX')
+    ).toEqual('ss58PreFIX');
+    expect(
+      stringCamelCase('SS58Prefix')
+    ).toEqual('ss58Prefix');
+    expect(
+      stringCamelCase('UUID64')
+    ).toEqual('uuid64');
+    expect(
+      stringCamelCase('BLAKE2B')
+    ).toEqual('blake2b');
+    expect(
+      stringCamelCase('NFTOrder')
+    ).toEqual('nftOrder');
+    expect(
+      stringCamelCase('EVM')
+    ).toEqual('evm');
+    expect(
+      stringCamelCase('A')
+    ).toEqual('a');
+    expect(
+      stringCamelCase('A1')
+    ).toEqual('a1');
+    expect(
+      stringCamelCase('A1b')
+    ).toEqual('a1b');
+    expect(
+      stringCamelCase('A1B')
+    ).toEqual('a1b');
+    expect(
+      stringCamelCase('RawVRFOutput')
+    ).toEqual('rawVRFOutput');
+  });
+
+  it('adjusts with leading _', (): void => {
+    expect(
+      stringCamelCase('_reserved')
+    ).toEqual('reserved');
+  });
+
+  it('adjusts with minimal chars per part', (): void => {
+    expect(
+      stringCamelCase('_a_b_c_def')
+    ).toEqual('aBCDef');
+  });
+
+  perf('stringCamelCase (random)', 100_000, randomWords, stringCamelCase);
+  perf('stringCamelCase (NFTOrder)', 100_000, [['NFTOrder']], stringCamelCase);
+});