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token-types

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token-types

Common token types for decoding and encoding numeric and string values

  • 2.0.0
  • Source
  • npm
  • Socket score

Version published
Weekly downloads
4.7M
decreased by-3.37%
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1
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What is token-types?

The token-types npm package provides a collection of token parsers for binary data types, facilitating the reading and interpretation of various data types from binary streams. This is particularly useful in applications dealing with multimedia files, where metadata and content need to be extracted or interpreted from binary formats.

What are token-types's main functionalities?

Reading integer values

This feature allows the reading of unsigned 32-bit integers from a buffer in little-endian format. It is useful for parsing low-level binary data structures.

const Token = require('token-types');

const uint32Token = Token.UINT32_LE;
const buffer = Buffer.from([0x01, 0x00, 0x00, 0x00]);
const value = uint32Token.get(buffer, 0);
console.log(value); // Outputs: 1

Reading string values

This feature enables the extraction of ASCII strings from binary data. It supports specifying the length of the string and the encoding, making it versatile for reading text data embedded in binary streams.

const Token = require('token-types');

const stringToken = new Token.StringType(5, 'ascii');
const buffer = Buffer.from('hello');
const value = stringToken.get(buffer, 0);
console.log(value); // Outputs: 'hello'

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Package last updated on 25 Dec 2019

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