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Node.js | zlib.createInflate() Method

  • Last Updated : 05 Mar, 2020

The zlib.createInflate() method is an inbuilt application programming interface of the Zlib module which is used to create a new Inflate object.

Syntax:

zlib.createInflate( options )

Parameters: This method accepts single parameter options which is an optional parameter that holds the zlib options.

Return Value: It returns a new Inflate object.

Below examples illustrate the use of zlib.createInflate() method in Node.js:



Example 1:




// Node.js program to demonstrate the     
// createInflate() method
  
// Including zlib module
var zlib = require('zlib');
  
// Calling deflate function to compress data
zlib.deflate('Hello World!', function(err, data)
 {
  if (err) 
  
    return console.log('err', err);
  }
  
  // Calling createInflate method
  // to decompress the data again
  var gunzip = zlib.createInflate();
  gunzip.write(data);
  gunzip.on('data', function (data)
   {
      console.log(data.toString());
  });
});

Output:

Hello World!

Example 2:




// Node.js program to demonstrate the     
// createInflate() method
  
// Including zlib module
var zlib = require('zlib');
  
// Calling deflate function to compress data
zlib.deflate('Decompressed..', function(err, data)
 {
  if (err) 
  
    return console.log('err', err);
  }
  
  // Calling createInflate method
  // to decompress the data again
  var gunzip = zlib.createInflate();
  gunzip.write(data);
  gunzip.on('data', function (data)
   {
      console.log(data.toString('hex'));
  });
});

Output:

4465636f6d707265737365642e2e

Reference: https://nodejs.org/api/zlib.html#zlib_zlib_createinflate_options




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