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| author | Kat Marchán <kzm@sykosomatic.org> | 2017-02-14 15:12:22 -0800 |
|---|---|---|
| committer | Jeremiah Senkpiel <fishrock123@rocketmail.com> | 2017-03-22 18:27:31 -0400 |
| commit | e1834ff5da0117457a14fe76a097ed7763cfb61f (patch) | |
| tree | 15ae7076df1333fb02cb20d5fafb542f0d526874 /deps/npm/lib/utils/gunzip-maybe.js | |
| parent | caf9ae748b1324c34284b324f2951b91368ca840 (diff) | |
| download | android-node-v8-e1834ff5da0117457a14fe76a097ed7763cfb61f.tar.gz android-node-v8-e1834ff5da0117457a14fe76a097ed7763cfb61f.tar.bz2 android-node-v8-e1834ff5da0117457a14fe76a097ed7763cfb61f.zip | |
deps: upgrade npm to 4.2.0
PR-URL: https://github.com/nodejs/node/pull/11389
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Diffstat (limited to 'deps/npm/lib/utils/gunzip-maybe.js')
| -rw-r--r-- | deps/npm/lib/utils/gunzip-maybe.js | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/deps/npm/lib/utils/gunzip-maybe.js b/deps/npm/lib/utils/gunzip-maybe.js new file mode 100644 index 0000000000..db75f06017 --- /dev/null +++ b/deps/npm/lib/utils/gunzip-maybe.js @@ -0,0 +1,22 @@ +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 +} |