JarCastingundefined
Validates if a value is undefined.
Installation
$ npm install validate.io-undefined
For use in the browser, use browserify.
Usage
var isUndefined = require( 'validate.io-undefined' );
isUndefined( value )
Validates if a value is undefined.
var value;
var bool = isUndefined( value );
// returns true
Examples
var isUndefined = require( 'validate.io-undefined' );
console.log( isUndefined( undefined ) );
// returns true
console.log( isUndefined( 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
License
Copyright
Copyright © 2014. Athan Reines.
