num2fraction

Converting Number to Fraction with Node.js.

Installation

npm install num2fraction

Usage

var π   = Math.PI
var n2f = require('num2fraction')
  console.log(n2f(0))                // => 0
  console.log(n2f(.2))               // => 1/5
  console.log(n2f(1.1))              // => 11/10
  console.log(n2f(1.2))              // => 6/5
  console.log(n2f(1.3))              // => 13/10
  console.log(n2f(1.4))              // => 7/5
  console.log(n2f(1.5))              // => 3/2
  console.log(n2f(2))                // => 2/1
  console.log(n2f(2.1))              // => 21/10
  console.log(n2f(3))                // => 3/1
  console.log(n2f(2.555))            // => 511/200
  console.log(n2f(8.36))             // => 209/25
  console.log(n2f('3em'))            // => 3/1
  console.log(n2f('1.5px'))          // => 3/2
  console.log(n2f(7 / 9)             // => 7/9
  console.log(n2f(8 / 9)             // => 8/9
  console.log(n2f(512 / 999)         // => 512/999
  console.log(n2f((2 * π / 3) / π)   // => 2/3
  console.log(n2f((8 * 5) / (4 / 2)) // => 20/1

Example

Opera old versions support the non-standard -o-min-device-pixel-ratio or -o-max-device-pixel-ratio in CSS media queries.

@media 
  only screen and (-webkit-min-device-pixel-ratio: 2), 
  only screen and (   min--moz-device-pixel-ratio: 2), 
  only screen and (     -o-min-device-pixel-ratio: 2/1), /* Opera */
  only screen and (        min-device-pixel-ratio: 2), 
  only screen and (                min-resolution: 192dpi), /* fallback */
  only screen and (                min-resolution: 2dppx) { 
 
}

Changelog

v1.2.2

• + Remove: Debug log message.

v1.2.1

• + Fix: 0 must be converted to a string.

v1.2.0

• + Fix: Accomodate rounding errors. (by @jamestalmage)
• + Fix: The negative sign should be on numerator. (by @jamestalmage)

v1.1.0

• + Use more precise (not fixed) precision factor for the calculation

v1.0.1

• - Remove "ci.testling.com"

V1.0.0

First release.

License

MIT