unit.styl

...makes it easy to convert relative and absolute units. Use the unit of your choice and don't worry about it.

See docs.

install

Just clone this project, or download it via npm.

$ npm install unit-styl

--save or --save-dev flags are recommended.

JavaScript API

var stylus = require('stylus'),
    unit   = require('unit-styl');
 
function compile(str) {
  return stylus(str)
    .use(unit());
}

Stylus API

@import 'unit'

You can also import individual parts:

@import 'unit/_angle'
@import 'unit/_length'
@import 'unit/_resolution'
@import 'unit/_time'

The just-use-it way

@import 'node_modules/unit-styl/unit'

Check whether the node_modules path is correct.

documentation

→ relative ⇔ absolute

Relative units can be absolute and absolute units can be relative! :-)

A context is required for relative units (rem, %). Only conversions between px ⇔ pt don't require context.

EXAMPLE 1 (no context needed)

.foo {
  width:     pt(500px);       /*  width: 375pt; */
  height:    px(12pt);        /*  height: 16px;  */
}  

EXAMPLE 2

context = 100%;
 
.foo {
  width:     rem(960px);      /*  height: 60rem;   */
  height:    pct(3pt);        /*  height: 25%;     */
  font-size: px(1rem);        /*  font-size: 16px; */
}  

EXAMPLE 3

context = 62.5%;
 
.foo {
   width:     px(8rem)        /*  width: 80px;  */
   height:    rem(10px)       /*  height: 1rem;  */
   font-size: pct(5px)        /*  font-size: 50%; */
}

Tip: You can do fallbacks for IE to rem unit printing the results in pixels too, e.g. px(1.5rem)

--

→ angles: deg ⇔ rad ⇔ turn ⇔ grad

EXAMPLE 1

transform: rotateY(deg(0.5turn));         /* transform: rotateY(180deg) */

EXAMPLE 2

transform: rotateX(rad(200grad));         /* transform: rotateX(3.14rad); */

--

→ time: ms ⇔ s

EXAMPLE 1

transition-duration: millisec(1s);         /* transition-duration: 500ms */

EXAMPLE 2

transition-duration: sec(5000ms);          /* transition-duration: 0.5s; */

sec() takes a second parameter: leadingzero, an optional boolean - true by default. If false, leading zero is omitted.

transition-duration: sec(5000ms, false);   /* transition-duration: .5s; */

LICENSE

MIT © Diéssica Gurskas