weex-nuke/lib/Helper/hex.js

基于 Rax 、Weex 的高性能组件体系 ~~

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

exports.valueToObj = valueToObj;
exports.hexToRgb = hexToRgb;
exports.rgba = rgba;
/**
 * @param {*} hex
 * @param {*} opacity
 */

function valueToObj(obj) {
  Object.keys(obj).forEach(function (name) {
    if (_typeof(obj[name]) === 'object') {
      obj[name] = {
        name: name,
        raw: obj[name]
      };
    }
  });
  return obj;
}

function hexToRgb(hex, opacity) {
  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)
  };
}

/**
 * @param {*} hex
 * @param {*} opacity
 */
function rgba(hex, opacity) {
  if ((typeof hex === 'undefined' ? 'undefined' : _typeof(hex)) === 'object' && 'raw' in hex) {
    hex = hex.raw;
  }
  if ((typeof opacity === 'undefined' ? 'undefined' : _typeof(opacity)) === 'object' && 'raw' in opacity) {
    opacity = opacity.raw;
  }
  var result = exports.hexToRgb(hex);
  if (!result) return null;
  // if ('raw' in hex) {
  //   return { raw: `rgba(${result.r},${result.g},${result.b},${opacity})` };
  // }
  return 'rgba(' + result.r + ',' + result.g + ',' + result.b + ',' + opacity + ')';
}