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arasatasaygin/is.js: Micro check library

原作者: [db:作者] 来自: 网络 收藏 邀请

开源软件名称（OpenSource Name）：

arasatasaygin/is.js

开源软件地址(OpenSource Url)：

https://github.com/arasatasaygin/is.js

开源编程语言(OpenSource Language)：

JavaScript 99.3%

开源软件介绍(OpenSource Introduction)：

is.js

JS.ORG

This is a general-purpose check library.

  • No dependencies
  • AMD, Node & browser ready

Usage:

Node.js:

npm install is_js

Bower:

bower install is_js

Build:

npm run build

Test:

npm test

Contributing:

Thanks for considering to contribute. Check here

Contributors:

Many thanks to our contributors: https://github.com/arasatasaygin/is.js/graphs/contributors

Type checks

is.arguments(value:any)

Checks if the given value type is arguments.

interfaces: not, all, any

var getArguments = function() {
    return arguments;
};
var arguments = getArguments();

is.arguments(arguments);
=> true

is.not.arguments({foo: 'bar'});
=> true

is.all.arguments(arguments, 'bar');
=> false

is.any.arguments(['foo'], arguments);
=> true

// 'all' and 'any' interfaces can also take array parameter
is.all.arguments([arguments, 'foo', 'bar']);
=> false

is.array(value:any)

Checks if the given value type is array.

interfaces: not, all, any

is.array(['foo', 'bar', 'baz']);
=> true

is.not.array({foo: 'bar'});
=> true

is.all.array(['foo'], 'bar');
=> false

is.any.array(['foo'], 'bar');
=> true

// 'all' and 'any' interfaces can also take array parameter
is.all.array([[1, 2], 'foo', 'bar']);
=> false

is.boolean(value:any)

Checks if the given value type is boolean.

interfaces: not, all, any

is.boolean(true);
=> true

is.not.boolean({foo: 'bar'});
=> true

is.all.boolean(true, 'bar');
=> false

is.any.boolean(true, 'bar');
=> true

// 'all' and 'any' interfaces can also take array parameter
is.all.boolean([true, 'foo', 'bar']);
=> false

is.date(value:any)

Checks if the given value type is date.

interfaces: not, all, any

is.date(new Date());
=> true

is.not.date({foo: 'bar'});
=> true

is.all.date(new Date(), 'bar');
=> false

is.any.date(new Date(), 'bar');
=> true

// 'all' and 'any' interfaces can also take array parameter
is.all.date([new Date(), 'foo', 'bar']);
=> false

is.domNode(value:any)

Checks if the given object is a dom node.

interfaces: not, all, any

var obj = document.createElement('div');
is.domNode(obj);
=> true

is.domNode({nope: 'nope'});
=> false

is.not.domNode({});
=> true

is.all.domNode(obj, obj);
=> true

is.any.domNode(obj, {nope: 'nope'});
=> true

// 'all' and 'any' interfaces can also take array parameter
is.all.domNode([obj, {nope: 'nope'}]);
=> false

is.error(value:any)

Checks if the given value type is error.

interfaces: not, all, any

is.error(new Error());
=> true

is.not.error({foo: 'bar'});
=> true

is.all.error(new Error(), 'bar');
=> false

is.any.error(new Error(), 'bar');
=> true

// 'all' and 'any' interfaces can also take array parameter
is.all.error([new Error(), 'foo', 'bar']);
=> false

is.function(value:any)

Checks if the given value type is function.

interfaces: not, all, any

is.function(toString);
=> true

is.not.function({foo: 'bar'});
=> true

is.all.function(toString, 'bar');
=> false

is.any.function(toString, 'bar');
=> true

// 'all' and 'any' interfaces can also take array parameter
is.all.function([toString, 'foo', 'bar']);
=> false

is.nan(value:any)

Checks if the given value type is NaN.

interfaces: not, all, any

is.nan(NaN);
=> true

is.not.nan(42);
=> true

is.all.nan(NaN, 1);
=> false

is.any.nan(NaN, 2);
=> true

// 'all' and 'any' interfaces can also take array parameter
is.all.nan([NaN, 'foo', 1]);
=> false

is.null(value:any)

Checks if the given value type is null.

interfaces: not, all, any

is.null(null);
=> true

is.not.null(42);
=> true

is.all.null(null, 1);
=> false

is.any.null(null, 2);
=> true

// 'all' and 'any' interfaces can also take array parameter
is.all.null([null, 'foo', 1]);
=> false

is.number(value:any)

Checks if the given value type is number.

interfaces: not, all, any

is.number(42);
=> true

is.number(NaN);
=> false

is.not.number('42');
=> true

is.all.number('foo', 1);
=> false

is.any.number({}, 2);
=> true

// 'all' and 'any' interfaces can also take array parameter
is.all.number([42, 'foo', 1]);
=> false

is.object(value:any)

Checks if the given value type is object.

interfaces: not, all, any

is.object({foo: 'bar'});
=> true

// functions are also returning as true
is.object(toString);
=> true

is.not.object('foo');
=> true

is.all.object({}, 1);
=> false

is.any.object({}, 2);
=> true

// 'all' and 'any' interfaces can also take array parameter
is.all.object([{}, new Object()]);
=> true

is.json(value:any)

Checks if the given value type is pure json object.

interfaces: not, all, any

is.json({foo: 'bar'});
=> true

// functions are returning as false
is.json(toString);
=> false

is.not.json([]);
=> true

is.all.json({}, 1);
=> false

is.any.json({}, 2);
=> true

// 'all' and 'any' interfaces can also take array parameter
is.all.json([{}, {foo: 'bar'}]);
=> true

is.regexp(value:any)

Checks if the given value type is RegExp.

interfaces: not, all, any

is.regexp(/test/);
=> true

is.not.regexp(['foo']);
=> true

is.all.regexp(/test/, 1);
=> false

is.any.regexp(new RegExp('ab+c'), 2);
=> true

// 'all' and 'any' interfaces can also take array parameter
is.all.regexp([{}, /test/]);
=> false

is.string(value:any)

Checks if the given value type is string.

interfaces: not, all, any

is.string('foo');
=> true

is.not.string(['foo']);
=> true

is.all.string('foo', 1);
=> false

is.any.string('foo', 2);
=> true

// 'all' and 'any' interfaces can also take array parameter
is.all.string([{}, 'foo']);
=> false

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