prejss-postcss-parser/lib/common/process-parsing.js

PreJSS Parser based on PostCSS and plugins

'use strict';

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

var _regenerator = require('babel-runtime/regenerator');

var _regenerator2 = _interopRequireDefault(_regenerator);

var _extends2 = require('babel-runtime/helpers/extends');

var _extends3 = _interopRequireDefault(_extends2);

var _asyncToGenerator2 = require('babel-runtime/helpers/asyncToGenerator');

var _asyncToGenerator3 = _interopRequireDefault(_asyncToGenerator2);

var _postcss = require('postcss');

var _postcss2 = _interopRequireDefault(_postcss);

var _postcssLoadConfig = require('postcss-load-config');

var _postcssLoadConfig2 = _interopRequireDefault(_postcssLoadConfig);

var _postcssSafeParser = require('postcss-safe-parser');

var _postcssSafeParser2 = _interopRequireDefault(_postcssSafeParser);

var _defaultConfig = require('./default-config');

var _defaultConfig2 = _interopRequireDefault(_defaultConfig);

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

var config = void 0;
var processor = void 0;

/**
 * 1. Initiate config, options and processor variables in module scope,
 *    if they are not initiated yet
 *
 * 2. Process parsing with initiated options
 *
 * @param {String} rawStyles
 * @param {Object} processOptions
 * @returns {Object} JSS Object
 */
var processParsing = function () {
  var _ref = (0, _asyncToGenerator3.default)(_regenerator2.default.mark(function _callee(rawStyles) {
    var processOptions = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

    var customConfig, _config, _config$plugins, plugins, _config$options, options, finalOptions;

    return _regenerator2.default.wrap(function _callee$(_context) {
      while (1) {
        switch (_context.prev = _context.next) {
          case 0:
            customConfig = processOptions.config;

            if (!(!config && customConfig)) {
              _context.next = 5;
              break;
            }

            config = customConfig;
            _context.next = 15;
            break;

          case 5:
            if (config) {
              _context.next = 15;
              break;
            }

            _context.prev = 6;
            _context.next = 9;
            return (0, _postcssLoadConfig2.default)();

          case 9:
            config = _context.sent;
            _context.next = 15;
            break;

          case 12:
            _context.prev = 12;
            _context.t0 = _context['catch'](6);

            config = _defaultConfig2.default;

          case 15:
            _config = config, _config$plugins = _config.plugins, plugins = _config$plugins === undefined ? [] : _config$plugins, _config$options = _config.options, options = _config$options === undefined ? {} : _config$options;
            finalOptions = (0, _extends3.default)({ parser: _postcssSafeParser2.default }, options);


            if (!processor) {
              processor = (0, _postcss2.default)(plugins);
            }

            return _context.abrupt('return', processor.process(rawStyles, finalOptions));

          case 19:
          case 'end':
            return _context.stop();
        }
      }
    }, _callee, undefined, [[6, 12]]);
  }));

  return function processParsing(_x) {
    return _ref.apply(this, arguments);
  };
}();

exports.default = processParsing;