Refactoring day1
This commit is contained in:
2
node_modules/is-number/LICENSE
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2
node_modules/is-number/LICENSE
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@@ -1,6 +1,6 @@
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The MIT License (MIT)
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Copyright (c) 2014-2016, Jon Schlinkert
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Copyright (c) 2014-present, Jon Schlinkert.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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196
node_modules/is-number/README.md
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196
node_modules/is-number/README.md
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@@ -1,6 +1,8 @@
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# is-number [](https://www.npmjs.com/package/is-number) [](https://npmjs.org/package/is-number) [](https://travis-ci.org/jonschlinkert/is-number)
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# is-number [](https://www.npmjs.com/package/is-number) [](https://npmjs.org/package/is-number) [](https://npmjs.org/package/is-number) [](https://travis-ci.org/jonschlinkert/is-number)
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> Returns true if the value is a number. comprehensive tests.
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> Returns true if the value is a finite number.
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Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
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## Install
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@@ -10,106 +12,176 @@ Install with [npm](https://www.npmjs.com/):
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$ npm install --save is-number
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```
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## Usage
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## Why is this needed?
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To understand some of the rationale behind the decisions made in this library (and to learn about some oddities of number evaluation in JavaScript), [see this gist](https://gist.github.com/jonschlinkert/e30c70c713da325d0e81).
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In JavaScript, it's not always as straightforward as it should be to reliably check if a value is a number. It's common for devs to use `+`, `-`, or `Number()` to cast a string value to a number (for example, when values are returned from user input, regex matches, parsers, etc). But there are many non-intuitive edge cases that yield unexpected results:
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```js
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var isNumber = require('is-number');
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console.log(+[]); //=> 0
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console.log(+''); //=> 0
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console.log(+' '); //=> 0
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console.log(typeof NaN); //=> 'number'
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```
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### true
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This library offers a performant way to smooth out edge cases like these.
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## Usage
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```js
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const isNumber = require('is-number');
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```
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See the [tests](./test.js) for more examples.
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### true
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```js
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isNumber(5e3) //=> 'true'
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isNumber(0xff) //=> 'true'
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isNumber(-1.1) //=> 'true'
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isNumber(0) //=> 'true'
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isNumber(1) //=> 'true'
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isNumber(1.1) //=> 'true'
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isNumber(10) //=> 'true'
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isNumber(10.10) //=> 'true'
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isNumber(100) //=> 'true'
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isNumber('-1.1') //=> 'true'
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isNumber('0') //=> 'true'
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isNumber('012') //=> 'true'
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isNumber('0xff') //=> 'true'
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isNumber('1') //=> 'true'
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isNumber('1.1') //=> 'true'
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isNumber('10') //=> 'true'
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isNumber('10.10') //=> 'true'
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isNumber('100') //=> 'true'
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isNumber('5e3') //=> 'true'
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isNumber(parseInt('012')) //=> 'true'
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isNumber(parseFloat('012')) //=> 'true'
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isNumber(5e3); // true
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isNumber(0xff); // true
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isNumber(-1.1); // true
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isNumber(0); // true
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isNumber(1); // true
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isNumber(1.1); // true
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isNumber(10); // true
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isNumber(10.10); // true
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isNumber(100); // true
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isNumber('-1.1'); // true
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isNumber('0'); // true
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isNumber('012'); // true
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isNumber('0xff'); // true
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isNumber('1'); // true
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isNumber('1.1'); // true
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isNumber('10'); // true
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isNumber('10.10'); // true
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isNumber('100'); // true
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isNumber('5e3'); // true
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isNumber(parseInt('012')); // true
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isNumber(parseFloat('012')); // true
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```
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### False
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See the [tests](./test.js) for more examples.
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Everything else is false, as you would expect:
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```js
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isNumber('foo') //=> 'false'
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isNumber([1]) //=> 'false'
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isNumber([]) //=> 'false'
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isNumber(function () {}) //=> 'false'
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isNumber(Infinity) //=> 'false'
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isNumber(NaN) //=> 'false'
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isNumber(new Array('abc')) //=> 'false'
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isNumber(new Array(2)) //=> 'false'
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isNumber(new Buffer('abc')) //=> 'false'
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isNumber(null) //=> 'false'
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isNumber(undefined) //=> 'false'
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isNumber({abc: 'abc'}) //=> 'false'
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isNumber(Infinity); // false
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isNumber(NaN); // false
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isNumber(null); // false
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isNumber(undefined); // false
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isNumber(''); // false
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isNumber(' '); // false
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isNumber('foo'); // false
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isNumber([1]); // false
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isNumber([]); // false
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isNumber(function () {}); // false
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isNumber({}); // false
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```
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## Release history
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### 7.0.0
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* Refactor. Now uses `.isFinite` if it exists.
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* Performance is about the same as v6.0 when the value is a string or number. But it's now 3x-4x faster when the value is not a string or number.
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### 6.0.0
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* Optimizations, thanks to @benaadams.
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### 5.0.0
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**Breaking changes**
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* removed support for `instanceof Number` and `instanceof String`
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## Benchmarks
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As with all benchmarks, take these with a grain of salt. See the [benchmarks](./benchmark/index.js) for more detail.
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```
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# all
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v7.0 x 413,222 ops/sec ±2.02% (86 runs sampled)
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v6.0 x 111,061 ops/sec ±1.29% (85 runs sampled)
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parseFloat x 317,596 ops/sec ±1.36% (86 runs sampled)
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fastest is 'v7.0'
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# string
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v7.0 x 3,054,496 ops/sec ±1.05% (89 runs sampled)
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v6.0 x 2,957,781 ops/sec ±0.98% (88 runs sampled)
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parseFloat x 3,071,060 ops/sec ±1.13% (88 runs sampled)
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fastest is 'parseFloat,v7.0'
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# number
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v7.0 x 3,146,895 ops/sec ±0.89% (89 runs sampled)
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v6.0 x 3,214,038 ops/sec ±1.07% (89 runs sampled)
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parseFloat x 3,077,588 ops/sec ±1.07% (87 runs sampled)
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fastest is 'v6.0'
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```
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## About
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### Related projects
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* [even](https://www.npmjs.com/package/even): Get the even numbered items from an array. | [homepage](https://github.com/jonschlinkert/even "Get the even numbered items from an array.")
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* [is-even](https://www.npmjs.com/package/is-even): Return true if the given number is even. | [homepage](https://github.com/jonschlinkert/is-even "Return true if the given number is even.")
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* [is-odd](https://www.npmjs.com/package/is-odd): Returns true if the given number is odd. | [homepage](https://github.com/jonschlinkert/is-odd "Returns true if the given number is odd.")
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* [is-primitive](https://www.npmjs.com/package/is-primitive): Returns `true` if the value is a primitive. | [homepage](https://github.com/jonschlinkert/is-primitive "Returns `true` if the value is a primitive. ")
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* [kind-of](https://www.npmjs.com/package/kind-of): Get the native type of a value. | [homepage](https://github.com/jonschlinkert/kind-of "Get the native type of a value.")
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* [odd](https://www.npmjs.com/package/odd): Get the odd numbered items from an array. | [homepage](https://github.com/jonschlinkert/odd "Get the odd numbered items from an array.")
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### Contributing
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<details>
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<summary><strong>Contributing</strong></summary>
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Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
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### Building docs
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</details>
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_(This document was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme) (a [verb](https://github.com/verbose/verb) generator), please don't edit the readme directly. Any changes to the readme must be made in [.verb.md](.verb.md).)_
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<details>
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<summary><strong>Running Tests</strong></summary>
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To generate the readme and API documentation with [verb](https://github.com/verbose/verb):
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Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
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```sh
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$ npm install -g verb verb-generate-readme && verb
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$ npm install && npm test
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```
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### Running tests
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</details>
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Install dev dependencies:
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<details>
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<summary><strong>Building docs</strong></summary>
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_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
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To generate the readme, run the following command:
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```sh
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$ npm install -d && npm test
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$ npm install -g verbose/verb#dev verb-generate-readme && verb
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```
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</details>
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### Related projects
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You might also be interested in these projects:
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* [is-plain-object](https://www.npmjs.com/package/is-plain-object): Returns true if an object was created by the `Object` constructor. | [homepage](https://github.com/jonschlinkert/is-plain-object "Returns true if an object was created by the `Object` constructor.")
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* [is-primitive](https://www.npmjs.com/package/is-primitive): Returns `true` if the value is a primitive. | [homepage](https://github.com/jonschlinkert/is-primitive "Returns `true` if the value is a primitive. ")
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* [isobject](https://www.npmjs.com/package/isobject): Returns true if the value is an object and not an array or null. | [homepage](https://github.com/jonschlinkert/isobject "Returns true if the value is an object and not an array or null.")
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* [kind-of](https://www.npmjs.com/package/kind-of): Get the native type of a value. | [homepage](https://github.com/jonschlinkert/kind-of "Get the native type of a value.")
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### Contributors
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| **Commits** | **Contributor** |
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| --- | --- |
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| 49 | [jonschlinkert](https://github.com/jonschlinkert) |
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| 5 | [charlike-old](https://github.com/charlike-old) |
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| 1 | [benaadams](https://github.com/benaadams) |
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| 1 | [realityking](https://github.com/realityking) |
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### Author
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**Jon Schlinkert**
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* [github/jonschlinkert](https://github.com/jonschlinkert)
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* [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
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* [LinkedIn Profile](https://linkedin.com/in/jonschlinkert)
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* [GitHub Profile](https://github.com/jonschlinkert)
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* [Twitter Profile](https://twitter.com/jonschlinkert)
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### License
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Copyright © 2016, [Jon Schlinkert](https://github.com/jonschlinkert).
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Released under the [MIT license](https://github.com/jonschlinkert/is-number/blob/master/LICENSE).
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Copyright © 2018, [Jon Schlinkert](https://github.com/jonschlinkert).
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Released under the [MIT License](LICENSE).
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***
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_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.1.30, on September 10, 2016._
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_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on June 15, 2018._
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22
node_modules/is-number/index.js
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@@ -1,22 +1,18 @@
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/*!
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* is-number <https://github.com/jonschlinkert/is-number>
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*
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* Copyright (c) 2014-2015, Jon Schlinkert.
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* Licensed under the MIT License.
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* Copyright (c) 2014-present, Jon Schlinkert.
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* Released under the MIT License.
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*/
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'use strict';
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var typeOf = require('kind-of');
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module.exports = function isNumber(num) {
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var type = typeOf(num);
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if (type === 'string') {
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if (!num.trim()) return false;
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} else if (type !== 'number') {
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return false;
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module.exports = function(num) {
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if (typeof num === 'number') {
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return num - num === 0;
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}
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return (num - num + 1) >= 0;
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if (typeof num === 'string' && num.trim() !== '') {
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return Number.isFinite ? Number.isFinite(+num) : isFinite(+num);
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}
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return false;
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};
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57
node_modules/is-number/package.json
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57
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@@ -1,12 +1,13 @@
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{
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"name": "is-number",
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"description": "Returns true if the value is a number. comprehensive tests.",
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"version": "3.0.0",
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"description": "Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.",
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"version": "7.0.0",
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"homepage": "https://github.com/jonschlinkert/is-number",
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"author": "Jon Schlinkert (https://github.com/jonschlinkert)",
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"contributors": [
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"Charlike Mike Reagent (http://www.tunnckocore.tk)",
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"Jon Schlinkert <jon.schlinkert@sellside.com> (http://twitter.com/jonschlinkert)"
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"Jon Schlinkert (http://twitter.com/jonschlinkert)",
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"Olsten Larck (https://i.am.charlike.online)",
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"Rouven Weßling (www.rouvenwessling.de)"
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],
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"repository": "jonschlinkert/is-number",
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"bugs": {
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@@ -18,29 +19,31 @@
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],
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"main": "index.js",
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"engines": {
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"node": ">=0.10.0"
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"node": ">=0.12.0"
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},
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"scripts": {
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"test": "mocha"
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},
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"dependencies": {
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"kind-of": "^3.0.2"
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},
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"devDependencies": {
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"benchmarked": "^0.2.5",
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"chalk": "^1.1.3",
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"gulp-format-md": "^0.1.10",
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"mocha": "^3.0.2"
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"ansi": "^0.3.1",
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"benchmark": "^2.1.4",
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"gulp-format-md": "^1.0.0",
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"mocha": "^3.5.3"
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},
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"keywords": [
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"cast",
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"check",
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"coerce",
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"coercion",
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"finite",
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"integer",
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"is",
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"isnan",
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"is-nan",
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"is-num",
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"is-number",
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"isnumber",
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"isfinite",
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"istype",
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"kind",
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"math",
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@@ -48,36 +51,36 @@
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"num",
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"number",
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"numeric",
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"parseFloat",
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"parseInt",
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"test",
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"type",
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"typeof",
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"value"
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],
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"verb": {
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"related": {
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"list": [
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"even",
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"is-even",
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"is-odd",
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"is-primitive",
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"kind-of",
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"odd"
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]
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},
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"toc": false,
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"layout": "default",
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"tasks": [
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"readme"
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],
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"related": {
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"list": [
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"is-plain-object",
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"is-primitive",
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"isobject",
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"kind-of"
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]
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},
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"plugins": [
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"gulp-format-md"
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],
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"lint": {
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"reflinks": true
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},
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"reflinks": [
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"verb",
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"verb-generate-readme"
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]
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}
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}
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,"_resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz"
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,"_integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng=="
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,"_from": "is-number@7.0.0"
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}
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Reference in New Issue
Block a user