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has-value
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Readme
Returns true if a value exists, false if empty. Works with deeply nested values using object paths.
Works for:
true
as the last arg to treat zero as a value instead of falsey)Install with npm
$ npm i has-value --save
a.b.c
paths. | homepage a.b.c
) to get a nested value from an object. | homepage'a.b.c'
) paths. | homepageWorks with nested object paths or a single value:
var hasValue = require('has-value');
hasValue({a: {b: {c: 'foo'}}} 'a.b.c');
//=> true
hasValue('a');
//=> true
hasValue('');
//=> false
hasValue(1);
//=> true
hasValue(0);
//=> false
hasValue(0, true); // pass `true` as the last arg to treat zero as a value
//=> true
hasValue({a: 'a'}});
//=> true
hasValue({}});
//=> false
hasValue(['a']);
//=> true
hasValue([]);
//=> false
hasValue(function(foo) {}); // function length/arity
//=> true
hasValue(function() {});
//=> false
hasValue(true);
hasValue(false);
//=> true
To do the opposite and test for empty values, do:
function isEmpty(o, isZero) {
return !hasValue.apply(hasValue, arguments);
}
Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.
Install dev dependencies:
$ npm i -d && npm test
Jon Schlinkert
Copyright © 2014-2015 Jon Schlinkert Released under the MIT license.
This file was generated by verb-cli on November 23, 2015.
FAQs
Returns true if a value exists, false if empty. Works with deeply nested values using object paths.
The npm package has-value receives a total of 19,823,128 weekly downloads. As such, has-value popularity was classified as popular.
We found that has-value demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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