validate.io-empty

Empty

Validates if a value is empty.

Installation

$ npm install validate.io-empty

For use in the browser, use browserify.

Usage

var isEmpty = require( 'validate.io-empty' );

isEmpty( value )

Validates if a value is empty.

var value = {};
 
var bool = isEmpty( value );
// returns true

Note: the method only applies to string, array, and object value types. For everything else, the method returns false.

Examples

console.log( isEmpty( {} ) );
// returns true
 
console.log( isEmpty( [] ) );
// returns true
 
console.log( isEmpty( '' ) );
// returns true
 
console.log( isEmpty( null ) );
// returns false

To run the example code from the top-level application directory,

$ node ./examples/index.js

Tests

Unit

Unit tests use the Mocha test framework with Chai assertions. To run the tests, execute the following command in the top-level application directory:

$ make test

All new feature development should have corresponding unit tests to validate correct functionality.

Test Coverage

This repository uses Istanbul as its code coverage tool. To generate a test coverage report, execute the following command in the top-level application directory:

$ make test-cov

Istanbul creates a ./reports/coverage directory. To access an HTML version of the report,

$ make view-cov

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License

MIT license.

Copyright

Copyright © 2014. Athan Reines.