'use strict';
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var crypto = require('crypto');
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function sha1(bytes) {
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if (typeof Buffer.from === 'function') {
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// Modern Buffer API
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if (Array.isArray(bytes)) {
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bytes = Buffer.from(bytes);
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} else if (typeof bytes === 'string') {
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bytes = Buffer.from(bytes, 'utf8');
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}
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} else {
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// Pre-v4 Buffer API
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if (Array.isArray(bytes)) {
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bytes = new Buffer(bytes);
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} else if (typeof bytes === 'string') {
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bytes = new Buffer(bytes, 'utf8');
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}
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}
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return crypto.createHash('sha1').update(bytes).digest();
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}
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module.exports = sha1;
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