.config/coc/extensions/node_modules/coc-prettier/node_modules/unzip-response/index.js

   1 'use strict';
   2 const PassThrough = require('stream').PassThrough;
   3 const zlib = require('zlib');
   4
   5 module.exports = res => {
   6         // TODO: use Array#includes when targeting Node.js 6
   7         if (['gzip', 'deflate'].indexOf(res.headers['content-encoding']) === -1) {
   8                 return res;
   9         }
  10
  11         const unzip = zlib.createUnzip();
  12         const stream = new PassThrough();
  13
  14         stream.httpVersion = res.httpVersion;
  15         stream.headers = res.headers;
  16         stream.rawHeaders = res.rawHeaders;
  17         stream.trailers = res.trailers;
  18         stream.rawTrailers = res.rawTrailers;
  19         stream.setTimeout = res.setTimeout.bind(res);
  20         stream.statusCode = res.statusCode;
  21         stream.statusMessage = res.statusMessage;
  22         stream.socket = res.socket;
  23
  24         unzip.on('error', err => {
  25                 if (err.code === 'Z_BUF_ERROR') {
  26                         stream.end();
  27                         return;
  28                 }
  29
  30                 stream.emit('error', err);
  31         });
  32
  33         res.pipe(unzip).pipe(stream);
  34
  35         return stream;
  36 };