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- var zlib = require('zlib')
- module.exports = inflate
- function inflate(stream, options) {
- if (!stream) {
- throw new TypeError('argument stream is required')
- }
- options = options || {}
- var encoding = options.encoding
- || (stream.headers && stream.headers['content-encoding'])
- || 'identity'
- switch (encoding) {
- case 'gzip':
- case 'deflate':
- break
- case 'identity':
- return stream
- default:
- var err = new Error('Unsupported Content-Encoding: ' + encoding)
- err.status = 415
- throw err
- }
- // no not pass-through encoding
- delete options.encoding
- return stream.pipe(zlib.Unzip(options))
- }
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