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59 lines
1.5 KiB
Markdown
59 lines
1.5 KiB
Markdown
6 years ago
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# fast-deep-equal
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The fastest deep equal
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[](https://travis-ci.org/epoberezkin/fast-deep-equal)
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[](http://badge.fury.io/js/fast-deep-equal)
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[](https://coveralls.io/github/epoberezkin/fast-deep-equal?branch=master)
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## Install
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```bash
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npm install fast-deep-equal
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```
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## Features
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- ES5 compatible
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- works in node.js (0.10+) and browsers (IE9+)
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- checks equality of Date and RegExp objects by value.
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## Usage
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```javascript
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var equal = require('fast-deep-equal');
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console.log(equal({foo: 'bar'}, {foo: 'bar'})); // true
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```
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## Performance benchmark
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Node.js v9.11.1:
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```
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fast-deep-equal x 226,960 ops/sec ±1.55% (86 runs sampled)
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nano-equal x 218,210 ops/sec ±0.79% (89 runs sampled)
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shallow-equal-fuzzy x 206,762 ops/sec ±0.84% (88 runs sampled)
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underscore.isEqual x 128,668 ops/sec ±0.75% (91 runs sampled)
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lodash.isEqual x 44,895 ops/sec ±0.67% (85 runs sampled)
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deep-equal x 51,616 ops/sec ±0.96% (90 runs sampled)
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deep-eql x 28,218 ops/sec ±0.42% (85 runs sampled)
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assert.deepStrictEqual x 1,777 ops/sec ±1.05% (86 runs sampled)
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ramda.equals x 13,466 ops/sec ±0.82% (86 runs sampled)
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The fastest is fast-deep-equal
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```
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To run benchmark (requires node.js 6+):
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```bash
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npm install
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node benchmark
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```
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## License
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[MIT](https://github.com/epoberezkin/fast-deep-equal/blob/master/LICENSE)
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