mirror of
https://github.com/pezkuwichain/pezkuwi-common.git
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pezkuwichain
a5542fdd87
- Fixed internal @polkadot references to @pezkuwi - Updated hw-ledger and hw-ledger-transports packages - Updated keyring and networks packages - Version 14.0.7
31 lines
890 B
TypeScript
31 lines
890 B
TypeScript
// Copyright 2017-2025 @pezkuwi/util authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import { REGEX_HEX_NOPREFIX, REGEX_HEX_PREFIXED } from '../is/hex.js';
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/**
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* @name hexStripPrefix
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* @summary Strips any leading `0x` prefix.
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* @description
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* Tests for the existence of a `0x` prefix, and returns the value without the prefix. Un-prefixed values are returned as-is.
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* @example
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* <BR>
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*
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* ```javascript
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* import { hexStripPrefix } from '@pezkuwi/util';
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*
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* console.log('stripped', hexStripPrefix('0x1234')); // => 1234
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* ```
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*/
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export function hexStripPrefix (value?: string | null): string {
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if (!value || value === '0x') {
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return '';
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} else if (REGEX_HEX_PREFIXED.test(value)) {
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return value.substring(2);
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} else if (REGEX_HEX_NOPREFIX.test(value)) {
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return value;
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}
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throw new Error(`Expected hex value to convert, found '${value}'`);
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}
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