31 lines
896 B
JavaScript
31 lines
896 B
JavaScript
'use strict';
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var crypto = require('node:crypto');
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var _ = require('lodash/fp');
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/**
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* Creates a hash of the given data with the specified string length as a string of hex characters
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*
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* @example
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* createHash("myData", 5); // "03f85"
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* createHash("myData", 2); // "03"
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* createHash("myData", 1); // "0"
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*
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* @param data - The data to be hashed
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* @param len - The length of the hash
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* @returns The generated hash
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* @throws Error if the length is not a positive integer
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* @internal
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*/ function createHash(data, len) {
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if (!_.isInteger(len) || len <= 0) {
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throw new Error(`createHash length must be a positive integer, received ${len}`);
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}
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const hash = crypto.createHash('shake256', {
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outputLength: Math.ceil(len / 2)
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}).update(data);
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return hash.digest('hex').substring(0, len);
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}
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exports.createHash = createHash;
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//# sourceMappingURL=hash.js.map
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