weex-nuke/lib/Modal/styles/mixin.js

基于 Rax 、Weex 的高性能组件体系 ~~

"use strict";

function hexToRgb(hex, opacity) {
  // Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
  var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
  hex = hex.replace(shorthandRegex, function (m, r, g, b) {
    return r + r + g + g + b + b;
  });

  var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
  if (!result) return null;

  return {

    r: parseInt(result[1], 16),
    g: parseInt(result[2], 16),
    b: parseInt(result[3], 16)
  };
}
function rgba(hex, opacity) {
  var result = hexToRgb(hex);
  if (!result) return null;

  return "rgba(" + result.r + "," + result.g + "," + result.b + "," + opacity + ")";
}

module.exports = {
  rgba: rgba
};