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@acuminous/bitsyntax

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@acuminous/bitsyntax

Pattern-matching on byte buffers


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656K
decreased by-17.89%
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What is @acuminous/bitsyntax?

@acuminous/bitsyntax is an npm package that provides utilities for working with binary data using a syntax inspired by Erlang's bit syntax. It allows you to parse and construct binary data structures in a declarative manner.

What are @acuminous/bitsyntax's main functionalities?

Parsing binary data

This feature allows you to parse binary data according to a specified pattern. In this example, the pattern 'header:8, body:binary' is used to extract an 8-bit header and the remaining bytes as the body.

const bitsyntax = require('@acuminous/bitsyntax');

const pattern = bitsyntax.matcher('header:8, body:binary');
const buffer = Buffer.from([0x01, 0x02, 0x03, 0x04]);
const result = pattern(buffer);
console.log(result); // { header: 1, body: <Buffer 02 03 04> }

Constructing binary data

This feature allows you to construct binary data from a specified pattern and values. In this example, the pattern 'header:8, body:binary' is used to create a buffer with the given header and body.

const bitsyntax = require('@acuminous/bitsyntax');

const pattern = bitsyntax.builder('header:8, body:binary');
const buffer = pattern({ header: 1, body: Buffer.from([0x02, 0x03, 0x04]) });
console.log(buffer); // <Buffer 01 02 03 04>

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Package last updated on 01 Sep 2022

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