reValuate/node_modules/inline-style-prefixer/lib/createPrefixer.js

'use strict';

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

var _prefixProperty = require('./utils/prefixProperty');

var _prefixProperty2 = _interopRequireDefault(_prefixProperty);

var _prefixValue = require('./utils/prefixValue');

var _prefixValue2 = _interopRequireDefault(_prefixValue);

var _addNewValuesOnly = require('./utils/addNewValuesOnly');

var _addNewValuesOnly2 = _interopRequireDefault(_addNewValuesOnly);

var _isObject = require('./utils/isObject');

var _isObject2 = _interopRequireDefault(_isObject);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function createPrefixer(_ref) {
  var prefixMap = _ref.prefixMap,
      plugins = _ref.plugins;

  return function prefix(style) {
    for (var property in style) {
      var value = style[property];

      // handle nested objects
      if ((0, _isObject2.default)(value)) {
        style[property] = prefix(value);
        // handle array values
      } else if (Array.isArray(value)) {
        var combinedValue = [];

        for (var i = 0, len = value.length; i < len; ++i) {
          var processedValue = (0, _prefixValue2.default)(plugins, property, value[i], style, prefixMap);
          (0, _addNewValuesOnly2.default)(combinedValue, processedValue || value[i]);
        }

        // only modify the value if it was touched
        // by any plugin to prevent unnecessary mutations
        if (combinedValue.length > 0) {
          style[property] = combinedValue;
        }
      } else {
        var _processedValue = (0, _prefixValue2.default)(plugins, property, value, style, prefixMap);

        // only modify the value if it was touched
        // by any plugin to prevent unnecessary mutations
        if (_processedValue) {
          style[property] = _processedValue;
        }

        style = (0, _prefixProperty2.default)(prefixMap, property, style);
      }
    }

    return style;
  };
}