validate.io-negative
v1.0.0
Published
Validates if a value is a negative number.
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Negative
Validates if a value is a negative number.
Installation
$ npm install validate.io-negative
For use in the browser, use browserify.
Usage
var isNegative = require( 'validate.io-negative' );
isNegative( value )
Validates if a value
is a negative number
.
var value = -Math.PI;
var bool = isNegative( value );
// returns true
Examples
var isNegative = require( 'validate.io-negative' );
console.log( isNegative( -Math.PI ) );
// returns true
console.log( isNegative( 0 ) );
// returns false
console.log( isNegative( 1 ) );
// 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 © 2015. Athan Reines.