cloudfunctions/SegmentPortraitPic/node_modules/fast-deep-equal/README.md

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# fast-deep-equal
The fastest deep equal with ES6 Map, Set and Typed arrays support.

[![Build Status](https://travis-ci.org/epoberezkin/fast-deep-equal.svg?branch=master)](https://travis-ci.org/epoberezkin/fast-deep-equal)
[![npm](https://img.shields.io/npm/v/fast-deep-equal.svg)](https://www.npmjs.com/package/fast-deep-equal)
[![Coverage Status](https://coveralls.io/repos/github/epoberezkin/fast-deep-equal/badge.svg?branch=master)](https://coveralls.io/github/epoberezkin/fast-deep-equal?branch=master)


## Install

```bash
npm install fast-deep-equal
```


## Features

- ES5 compatible
- works in node.js (8+) and browsers (IE9+)
- checks equality of Date and RegExp objects by value.

ES6 equal (`require('fast-deep-equal/es6')`) also supports:
- Maps
- Sets
- Typed arrays


## Usage

```javascript
var equal = require('fast-deep-equal');
console.log(equal({foo: 'bar'}, {foo: 'bar'})); // true
```

To support ES6 Maps, Sets and Typed arrays equality use:

```javascript
var equal = require('fast-deep-equal/es6');
console.log(equal(Int16Array([1, 2]), Int16Array([1, 2]))); // true
```

To use with React (avoiding the traversal of React elements' _owner
property that contains circular references and is not needed when
comparing the elements - borrowed from [react-fast-compare](https://github.com/FormidableLabs/react-fast-compare)):

```javascript
var equal = require('fast-deep-equal/react');
var equal = require('fast-deep-equal/es6/react');
```


## Performance benchmark

Node.js v12.6.0:

```
fast-deep-equal x 261,950 ops/sec ±0.52% (89 runs sampled)
fast-deep-equal/es6 x 212,991 ops/sec ±0.34% (92 runs sampled)
fast-equals x 230,957 ops/sec ±0.83% (85 runs sampled)
nano-equal x 187,995 ops/sec ±0.53% (88 runs sampled)
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