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Node.js zlib.inflateRaw() Method

Last Updated : 12 Oct, 2021
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The zlib.inflateRaw() method is an inbuilt application programming interface of the Zlib module which is used to decompress a chunk of data. Syntax: 
zlib.inflateRaw( buffer, options, callback )
Parameters: This method accepts three parameters as mentioned above and described below:
  • buffer: It can be of type Buffer, TypedArray, DataView, ArrayBuffer, and string.
  • options: It is an optional parameter that holds the zlib options.
  • callback: It holds the callback function.
Return Value: It returns the chunk of data after decompression. Below examples illustrate the use of zlib.inflateRaw() method in Node.js: Example 1: javascript 
// Node.js program to demonstrate the     
// inflateRaw() method

// Including zlib module
const zlib = require("zlib");

// Declaring input and assigning
// it a value string
var input = "GeeksforGeeks";

// Calling deflateRaw method
zlib.deflateRaw(input, (err, buffer) => {

      // Calling inflateRaw
      zlib.inflateRaw(buffer, (err, buffer) => {
        console.log(buffer.toString('utf8'));
    });
});
Output: 
GeeksforGeeks
Example 2: javascript 
// Node.js program to demonstrate the     
// inflateRaw() method

// Including zlib module
const zlib = require("zlib");

// Declaring input and assigning
// it a value string
var input = "GeeksforGeeks";

// Calling deflateRaw method
zlib.deflateRaw(input, (err, buffer) => {

      // Calling inflateRaw
      zlib.inflateRaw(buffer, (err, buffer) => {
        console.log(buffer.toString('base64'));
    });
});
Output: 
R2Vla3Nmb3JHZWVrcw==
Reference: https://nodejs.org/api/zlib.html#zlib_zlib_inflateraw_buffer_options_callback

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Node.js zlib.inflateRawSync() Method
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