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is-empty

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is-empty

Check whether a value is "empty".

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is-empty

Check whether a value is empty.

Installation

$ npm install is-empty
$ npm test

Example

var empty = require('is-empty');

empty([]);              // true
empty({});              // true
empty('');              // true
empty(0);               // true
empty(function(){});    // true
empty(null);            // true
empty(undefined);       // true
empty(new Map());       // true
empty(new Set());       // true
empty(new Error());     // true

empty(true);            // false
empty(false);           // false
empty(['a', 'b']);      // false
empty({ a: 'b' });      // false
empty('string');        // false
empty(42);              // false
empty(function(a,b){}); // false
empty(new Map([['key', 'value']])); // false
empty(new Set([1]));    // false
empty(new Error('fail'))// false

API

isEmpty(value)

Check whether value is empty.

License

MIT

Keywords

FAQs

Package last updated on 01 Feb 2017

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