17 lines
354 B
JavaScript
17 lines
354 B
JavaScript
'use strict';
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/**
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* Check if a Buffer/Uint8Array is a ZIP file
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*
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* @param {Buffer} buf
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* @api public
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*/
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module.exports = function (buf) {
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if (!buf || buf.length < 4) {
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return false;
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}
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return buf[0] === 80 && buf[1] === 75 && (buf[2] === 3 || buf[2] === 5 || buf[2] === 7) && (buf[3] === 4 || buf[3] === 6 || buf[3] === 8);
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};
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