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Node.js | zlib.deflateRawSync() Method

  • Last Updated : 13 Mar, 2020

The zlib.deflateRawSync() method is an inbuilt application programming interface of the Zlib module which is used to compress a chunk of data with DeflateRaw.

Syntax:

zlib.deflateRawSync( buffer, options )

Parameters: This method accepts two parameters as mentioned above and described below:

  • buffer: This parameter holds the buffer of type Buffer, TypedArray, DataView, ArrayBuffer, string.
  • options: This parameter holds the zlib options value.

Return Value: It returns the chunk of data with DeflateRaw.

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



Example 1:




// Node.js program to demonstrate the     
// zlib.deflateRawSync() method  
  
// Including zlib module
var zlib = require('zlib');
  
// Declaring input and assigning
// it a value string
var input = "GeeksforGeeks";
  
// Calling deflateRawSync method
var deflatedRS = zlib.deflateRawSync(input);
  
console.log(deflatedRS);

Output:

<Buffer 73 4f 4d cd 2e 4e cb 2f 72 07 d1 00>

Example 2:




// Node.js program to demonstrate the     
// zlib.deflateRawSync() method  
  
// Including zlib module
var zlib = require('zlib');
  
// Declaring input and assigning
// it a value string
var input = "GeeksforGeeks";
  
// Calling deflateRawSync method
var deflatedRS = zlib.deflateRawSync(input).toString('ascii');
  
console.log(deflatedRS);

Output:

sOMM.NK/rQ

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




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