@stardust-ui/fela-tools/lib/combineMultiRules.js

Useful tools for working with Fela

'use strict';

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

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

exports.default = combineMultiRules;

var _objectReduce = require('fast-loops/lib/objectReduce');

var _objectReduce2 = _interopRequireDefault(_objectReduce);

var _arrayReduce = require('fast-loops/lib/arrayReduce');

var _arrayReduce2 = _interopRequireDefault(_arrayReduce);

var _fela = require('@stardust-ui/fela');

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

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function safeRule(ruleOrObject) {
  return typeof ruleOrObject === 'function' ? ruleOrObject : function () {
    return ruleOrObject;
  };
}

function combineMultiRules() {
  for (var _len = arguments.length, multiRules = Array(_len), _key = 0; _key < _len; _key++) {
    multiRules[_key] = arguments[_key];
  }

  return function (props, renderer) {
    return (0, _arrayReduce2.default)(multiRules, function (resultStyleMap, multiRule) {
      return _extends({}, resultStyleMap, (0, _objectReduce2.default)(safeRule(multiRule)(props, renderer), function (styleMap, rule, name) {
        return _extends({}, styleMap, _defineProperty({}, name, resultStyleMap[name] ? (0, _fela.combineRules)(resultStyleMap[name], safeRule(rule)) : safeRule(rule)));
      }, {}));
    }, {});
  };
}