Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.
Install with npm:
$ npm install --save has-valuesvar hasValue = require('has-values');
hasValue('a');
//=> true
hasValue('');
//=> false
hasValue(1);
//=> true
hasValue(0);
//=> false
hasValue({a: 'a'}});
//=> true
hasValue({});
hasValue({foo: undefined});
//=> false
hasValue({foo: null});
//=> true
hasValue(['a']);
//=> true
hasValue([]);
hasValue([[], []]);
hasValue([[[]]]);
//=> false
hasValue(['foo']);
hasValue([0]);
//=> true
hasValue(function(foo) {});
//=> true
hasValue(function() {});
//=> true
hasValue(true);
//=> true
hasValue(false);
//=> trueTo test for empty values, do:
function isEmpty(o, isZero) {
return !hasValue(o, isZero);
}zeroalways returns truearraynow recurses, so that an array of empty arrays will returnfalsenullnow returns true
- has-value: Returns true if a value exists, false if empty. Works with deeply nested values using… more | homepage
- is-number: Returns true if the value is a number. comprehensive tests. | homepage
- is-plain-object: Returns true if an object was created by the
Objectconstructor. | homepage - isobject: Returns true if the value is an object and not an array or null. | homepage
- kind-of: Get the native type of a value. | homepage
Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.
(This project's readme.md is generated by verb, please don't edit the readme directly. Any changes to the readme must be made in the .verb.md readme template.)
To generate the readme, run the following command:
$ npm install -g verbose/verb#dev verb-generate-readme && verbRunning 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:
$ npm install && npm testJon Schlinkert
Copyright © 2017, Jon Schlinkert. Released under the MIT License.
This file was generated by verb-generate-readme, v0.6.0, on May 19, 2017.