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@strikeentco/get

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@strikeentco/get

Get a property from a nested object using a dot path or custom separator

  • 1.0.1
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3.2K
decreased by-15.72%
Maintainers
1
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get License npm

Build Status node Test Coverage

One of the smallest (23 sloc) and most effective implementations of getting a nested value from an object.

Usage

$ npm install @strikeentco/get --save
const get = require('@strikeentco/get');

get({ a: { b: 'c' } }, 'a.b');
//=> 'c'

get({ a: { b: ['c', 'd'] } }, 'a.b.1');
//=> 'd'

get({ a: { b: ['c', 'd'] } }, ['a', 'b']);
//=> ['c', 'd']

get({ a: { b: 'c' } }, 'a.b.c.d');
//=> undefined

get({ a: { b: 'c' } }, 'a:b', ':');
//=> 'c'

API

get(obj, path, [separator])

Params:
  • obj (Object) - Source object.
  • path (String|Array) - String or array with path.
  • [separator] (String) - . by default.

Benchmarks

(benchmarks were run on a Intel Core i5-6200U @ 2.30 GHz, 8 GB 2133 MHz DDR4)

# deep.js (175 bytes)
  dot-prop x 633,102 ops/sec ±1.19% (85 runs sampled)
  get-value x 1,138,909 ops/sec ±1.80% (87 runs sampled)
  get x 2,066,525 ops/sec ±0.99% (90 runs sampled) - this library
  getobject x 170,159 ops/sec ±1.17% (88 runs sampled)
  lodash.get x 1,847,112 ops/sec ±0.60% (89 runs sampled)
  object-path x 126,724 ops/sec ±2.33% (86 runs sampled)

  fastest is get - this library

# root.js (210 bytes)
  dot-prop x 3,056,017 ops/sec ±1.84% (86 runs sampled)
  get-value x 11,121,668 ops/sec ±1.04% (87 runs sampled)
  get x 4,160,982 ops/sec ±1.06% (88 runs sampled) - this library
  getobject x 1,004,785 ops/sec ±1.19% (88 runs sampled)
  lodash.get x 6,529,634 ops/sec ±0.69% (90 runs sampled)
  object-path x 1,976,993 ops/sec ±1.97% (86 runs sampled)

  fastest is get-value

# shallow.js (84 bytes)
  dot-prop x 1,965,057 ops/sec ±1.64% (89 runs sampled)
  get-value x 2,697,800 ops/sec ±1.13% (87 runs sampled)
  get x 3,529,218 ops/sec ±1.13% (87 runs sampled) - this library
  getobject x 576,927 ops/sec ±1.04% (88 runs sampled)
  lodash.get x 3,145,038 ops/sec ±2.11% (87 runs sampled)
  object-path x 595,264 ops/sec ±3.33% (82 runs sampled)

  fastest is get - this library

Benchmark from jonschlinkert/get-value library.

License

The MIT License (MIT)
Copyright (c) 2018 Alexey Bystrov

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Package last updated on 20 Jul 2018

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