mirror of
https://github.com/pezkuwichain/pezkuwi-common.git
synced 2026-04-25 15:17:57 +00:00
31 lines
893 B
JavaScript
31 lines
893 B
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.hexStripPrefix = hexStripPrefix;
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const hex_js_1 = require("../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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function hexStripPrefix(value) {
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if (!value || value === '0x') {
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return '';
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}
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else if (hex_js_1.REGEX_HEX_PREFIXED.test(value)) {
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return value.substring(2);
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}
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else if (hex_js_1.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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