regex-native-function
v1.0.0 regex regexp regular expression native function native-function
Native Function
Regular expression to detect a native function.
Installation
$ npm install regex-native-function
Usage
var re = require( 'regex-native-function' );
re
Regular expression to detect a native function
.
var bool = re.test( Math.sqrt.toString() );
// returns true
bool = re.test( (function(){}).toString() );
// returns false
Examples
var re = require( 'regex-native-function' );
function isNative( fcn ) {
return re.test( fcn.toString() );
}
console.log( isNative( Math.sqrt ) );
// returns true
console.log( isNative( String ) );
// returns true
console.log( isNative( Int8Array ) );
// returns true
console.log( isNative( Date ) );
// returns true
console.log( isNative( function(){} ) );
// 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.
npm i regex-native-function
Metadata
- MIT
- Whatever
- Athan Reines
- released 8/16/2015