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proc
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self
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root
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lib
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node_modules
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npm
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lib
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utils
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Filename :
gunzip-maybe.js
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var duplex = require('mississippi').duplex var through = require('mississippi').through var zlib = require('zlib') function hasGzipHeader (c) { return c[0] === 0x1F && c[1] === 0x8B && c[2] === 0x08 } module.exports = gunzip function gunzip () { var stream = duplex() var peeker = through(function (chunk, enc, cb) { var newStream = hasGzipHeader(chunk) ? zlib.createGunzip() : through() stream.setReadable(newStream) stream.setWritable(newStream) stream.write(chunk) }) stream.setWritable(peeker) return stream }