Awesome
has-prop 
Return true if an object has the given key. Dot-notation may be used to check for nested keys.
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Install
Install with npm:
$ npm i has-prop --save
Usage
var hasProp = require('has-prop');
hasProp({foo: null}, 'foo');
//=> true
hasProp({foo: {bar: ''}}, 'foo.bar');
//=> true
hasProp({foo: null}, 'bar');
//=> false
hasProp({foo: {bar: ''}}, 'foo.baz');
//=> false
Related projects
- get-value: Use property paths (
a.b.c) to get a nested value from an object. | homepage - has-value: Returns true if a value exists, false if empty. Works with deeply nested values using… more | homepage
- has-values: Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings,… more | homepage
- set-value: Create nested values and any intermediaries using dot notation (
'a.b.c') paths. | homepage - unset-value: Delete nested properties from an object using dot notation. | homepage
Running tests
Install dev dependencies:
$ npm i -d && npm test
Contributing
Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.
Author
Jon Schlinkert
License
Copyright © 2015 Jon Schlinkert Released under the MIT license.
This file was generated by verb on December 28, 2015.