11 lines
241 B
JavaScript
11 lines
241 B
JavaScript
'use strict';
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const crypto = require('crypto');
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module.exports = len => {
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if (!Number.isFinite(len)) {
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throw new TypeError('Expected a finite number');
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}
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return crypto.randomBytes(Math.ceil(len / 2)).toString('hex').slice(0, len);
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};
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