Node.js zlib.deflateSync() Method
Last Updated :
30 Mar, 2023
The zlib.deflateSync() method is an inbuilt application programming interface of the Zlib module which is used to compress a chunk of data with Deflate.
Syntax:
zlib.deflateSync( 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, and string.
- options: This parameter holds the value of the zlib option.
Return Value: It returns the chunk of data with deflate.
The below examples illustrate the use of zlib.deflateSync() method in Node.js:
Example 1:
javascript
const zlib = require( 'zlib' );
const input = "GfG CS-Portal" ;
const deflated = zlib.deflateSync(input);
console.log(deflated);
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Output:
<Buffer 78 9c 73 4f 73 57 70 0e d6 0d c8 2f 2a 49 cc 01 00 1b 48 04 4a>
Example 2:
javascript
const zlib = require( 'zlib' );
const input = "GfG CS-Portal" ;
const deflated = zlib.deflateSync(input).toString( 'hex' );
console.log(deflated);
|
Output:
789c734f7357700ed60dc82f2a49cc01001b48044a
Reference: https://nodejs.org/api/zlib.html#zlib_zlib_deflatesync_buffer_options
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