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56 lines
1.4 KiB
56 lines
1.4 KiB
7 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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```
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fast-deep-equal x 82,915 ops/sec ±0.63% (89 runs sampled)
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nano-equal x 50,506 ops/sec ±2.23% (86 runs sampled)
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shallow-equal-fuzzy x 14,873 ops/sec ±3.19% (83 runs sampled)
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underscore.isEqual x 16,055 ops/sec ±2.29% (85 runs sampled)
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lodash.isEqual x 10,740 ops/sec ±1.04% (89 runs sampled)
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deep-equal x 12,276 ops/sec ±2.44% (84 runs sampled)
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deep-eql x 10,565 ops/sec ±0.89% (90 runs sampled)
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assert.deepStrictEqual x 965 ops/sec ±2.99% (81 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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