mpx2rem

A mini px to rem library.

Installation

Run npm i mpx2rem.

Usage

require('mpx2rem');

or

<script src="./../lib/mpx2rem.min.js"></script>

or you can copy index.min.js into your HTML template, like:

<script>var mpx2rem=function(e){var t=e.document.documentElement,n=e.devicePixelRatio,i=null;function o(){var e,i=t.getBoundingClientRect().width;1===n&&(i=720),i>720&&(i=720),e=i/7.2,t.style.fontSize=e+"px"}n=n>2?3:n>1?2:1,t.setAttribute("data-dpr",n),e.addEventListener("resize",function(){clearTimeout(i),i=setTimeout(o,200)},!1),o()}(window);</script> 

Example

The design is measured at @X2 720px wide. Dealing with SASS or LESS like:

/* SCSS @X2 */
$px: (1/100)+rem;
div {
  width: 200*$px;
  height: 200*$px;
}

If the design is measured at @X3 1080px wide.

/* SCSS @X3 */
$px3: (1/150)+rem;
div {
  width: 300*$px;
  height: 300*$px;
}

Compiled into css:

div {
  width: 1rem;
  height: 1rem;
}

In the end, the html is :

License

MIT