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@wireapp/cbor

v4.7.3

Published

Implementation of Concise Binary Object Representation (CBOR) data format (RFC7049).

Downloads

1,329

Readme

Wire

This repository is part of the source code of Wire. You can find more information at wire.com or by contacting [email protected].

You can find the published source code at github.com/wireapp.

For licensing information, see the attached LICENSE file and the list of third-party licenses at wire.com/legal/licenses/.

CBOR

Installation

yarn add @wireapp/cbor

Usage

TypeScript

import * as CBOR from '@wireapp/cbor';

const payload: Uint8Array = new Uint8Array([
  255, 18, 15, 34, 210, 168, 165, 188, 81, 33, 34, 40, 73, 61, 149, 198, 154, 54, 128, 76, 191, 161, 58, 176, 45, 75, 1,
  33, 80, 157, 28, 89,
]);

// Encoding
const encoder: CBOR.Encoder = new CBOR.Encoder();
const encoded: ArrayBuffer = encoder.object(1).u8(0).bytes(payload).get_buffer();

// Decoding
let decoded: Uint8Array;
const decoder: CBOR.Decoder = new CBOR.Decoder(encoded);
const properties: number = decoder.object();
for (let i = 0; i < properties; i++) {
  switch (decoder.u8()) {
    case 0:
      decoded = new Uint8Array(decoder.bytes());
      break;
    default:
      decoder.skip();
  }
}

// Comparison
const isEqual = decoded.every((row, index) => {
  return decoded[index] === payload[index];
});

console.log(isEqual); // true