hjson-compressor

Compressing and decompressing JSON data using HPack and Gzip compression algorithm. Modified Version of json-pack-gzip by MkDierz.

Installation

Install hjson-compressor with npm.

npm install hjson-compressor

Usage

const compressor = require('hjson-compressor');

// Compress JSON data
const compressedData = compressor.compress(obj);

// Decompress JSON data
const decompressedData = compressor.decompress(objBuffer);

// Calculate byte length of data
const byteLength = compressor.calculateSize(data);

// Optionally set JSON Parser and Stringify
compressor._parser = JSON.parse;
compressor._stringifier = JSON.stringify;

API

compress(obj)

Compresses a JSON object using HPack and Gzip compression algorithm. The input JSON object is first packed into a homogeneous array and then stringified before compression.

• obj(Array): The JSON object to be compressed.

Returns a compressed data as a Buffer.

decompress(buf)

Decompresses a Buffer to a JSON object.

• buf (Buffer): The Buffer to be decompressed.

Returns a decompressed and unpacked JSON object as a list of objects.

calculateSize(data)

Calculates the byte length of the input data. It supports data types: String, Buffer, Array, and Object. For non-buffer objects, it first stringifies it before calculating the size.

• data (String|Buffer|Object|Array): The data to be calculated.

Returns the byte length of the input data.

Testing

If you want to run the test, download the source code and run

npm install jasmine

after everything is installed, run npm run test

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.

License

This module is licensed under the MIT License