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object-code

v1.3.3

Published

A blazing fast hash code generator that supports every possible javascript value.

Downloads

493,515

Readme

Issues Stars License Codecov FOSSA Status Join the chat at https://gitter.im/tinylibs-js-org/community Speed Blazing

Latest Version Downloads JsDelivr Bundlephobia Packagephobia

Table of Contents

Installing

Node

npm install object-code # or yarn add object-code
const { hash } = require('object-code');
import { hash } from 'object-code';

Browser

<script
  crossorigin
  src="https://cdn.jsdelivr.net/npm/object-code@latest/dist/index.umd.js"
></script>
const { hash } = window.objectCode;

Url Import

import { hash } from 'https://cdn.skypack.dev/object-code@latest';

Getting Started

Object code is a blazing fast hash code generator. It generates unique signed integers for objects, arrays, functions, symbols and etc.

You can ise it to index object in a collection, compare objects or just generate unique identifiers.

import { hash } from 'object-code';

const myWeirdObject = {
  name: 'Arthur',
  age: 20,
  address: {
    private: true
  },
  sayHello: function () {
    console.log('Hello!');
  },
  id: Symbol('arthur'),
  birth: new Date(2005, 02, 27),
  tags: ['person', 'male', 'programmer']
  recursive: myWeirdObject,
  // etc
};

const hash = hash(myWeirdObject);
// -1352827948

Compatibility

See all unique values at test/values.ts

This package is always seeking for a faster implementation. This means that we don't guarantee that the hash will be the same for two different versions of this package. There will be an warning on the release notes if the hash generation changed.

You shouldn't rely on cross version compatibility, and even if so, you can run some tests before pushing to production :)

Benchmark

This is the result of a benchmark between object-hash and object-code:

  Object Code:
    492 919 ops/s, ±0.90%     | 84.72% slower

  Object Hash:
    48 311 ops/s, ±0.89%      | slowest, 98.5% slower

  Object Code (Jsonified Object):
    401 901 ops/s, ±0.75%     | 87.54% slower

  Object Hash (Jsonified Object):
    213 819 ops/s, ±0.48%     | 93.37% slower

  Object Code (String):
    3 225 590 ops/s, ±1.94%   | fastest

  Object Hash (String):
    424 569 ops/s, ±2.88%     | 86.84% slower

License

Licensed under the MIT. See LICENSE for more informations.

FOSSA Status