to-num

Converts the given value to a number.

Install

$ npm install --save to-num 

Usage

For more use-cases see the tests

var toNumber = require('to-num');
 
toNumber(1);                // => 1
toNumber();                 // => 0
toNumber(null);             // => 0
toNumber(Number.MAX_VALUE); // => Number.MAX_VALUE
toNumber(Infinity);         // => Infinity
 
// boolean
toNumber(true);  // => 1
toNumber(false); // => 0
 
// string
toNumber('1');      // => 1
toNumber('0');      // => 0
toNumber('-1');     // => -1
toNumber('1.1000'); // => 1.1 
toNumber('-1.100'); // => -1.1
toNumber('01');     // => 1
toNumber('0.10');   // => 0.1
toNumber('1a');     // => NaN
toNumber('a1');     // => NaN
 
// binary
toNumber('0b01'); // => 1
toNumber('0b10'); // => 2
toNumber('0b11'); // => 3
toNumber('0b02'); // => NaN
 
// octal
toNumber('0o01'); // => 1 
toNumber('0o07'); // => 7
toNumber('0o10'); // => 8
toNumber('0o08'); // => NaN
 
// hex
toNumber('0x01');  // => 1 
toNumber('0x0F');  // => 15 
toNumber('0x0G');  // => NaN
toNumber('-0x01'); // => NaN
toNumber('+0x01'); // => NaN
 
// object
toNumber(new Object(1));   // => 1
toNumber(new Number(1));   // => 1
toNumber(new Number(1.1)); // => 1.1
toNumber(function () {});  // => NaN 
toNumber(new Object());    // => NaN

Related

• to-integer - Converts the given value to an integer.
• to-length - Converts value to an integer suitable for use as the length of an array-like object.
• to-str - Converts the given value to a string.
• to-lower - Converts string, as a whole, to lower case.
• to-upper - Converts string, as a whole, to upper case.
• to-path - Converts value to a property path array.
• to-source-code - Converts function to its source code.

Contributing

Pull requests and stars are highly welcome.

For bugs and feature requests, please create an issue.