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22 lines
556 B
22 lines
556 B
/* |
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MIT License http://www.opensource.org/licenses/mit-license.php |
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Author Ivan Kopeykin @vankop |
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*/ |
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"use strict"; |
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const A_CODE = "a".charCodeAt(0); |
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/** |
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* @param {string} hash hash |
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* @param {number} hashLength hash length |
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* @returns {string} returns hash that has at least one non numeric char |
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*/ |
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module.exports = (hash, hashLength) => { |
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if (hashLength < 1) return ""; |
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const slice = hash.slice(0, hashLength); |
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if (slice.match(/[^\d]/)) return slice; |
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return `${String.fromCharCode( |
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A_CODE + (parseInt(hash[0], 10) % 6) |
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)}${slice.slice(1)}`; |
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};
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