udia

'use strict';

var _postcss = require('postcss');

var _postcss2 = _interopRequireDefault(_postcss);

var _cssModulesLoaderCore = require('css-modules-loader-core');

var _cssModulesLoaderCore2 = _interopRequireDefault(_cssModulesLoaderCore);

var _parser = require('css-modules-loader-core/lib/parser');

var _parser2 = _interopRequireDefault(_parser);

var _fileSystemLoader = require('css-modules-loader-core/lib/file-system-loader');

var _fileSystemLoader2 = _interopRequireDefault(_fileSystemLoader);

var _genericNames = require('generic-names');

var _genericNames2 = _interopRequireDefault(_genericNames);

var _generateScopedName = require('./generateScopedName');

var _generateScopedName2 = _interopRequireDefault(_generateScopedName);

var _saveJSON = require('./saveJSON');

var _saveJSON2 = _interopRequireDefault(_saveJSON);

var _behaviours = require('./behaviours');

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

function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }

module.exports = _postcss2.default.plugin('postcss-modules', function () {
  var opts = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];

  var scopedNameGenerator = opts.generateScopedName || _generateScopedName2.default;
  var getJSON = opts.getJSON || _saveJSON2.default;
  var scopeBehaviour = 'local';

  if (opts.scopeBehaviour && (0, _behaviours.isValidBehaviour)(opts.scopeBehaviour)) {
    scopeBehaviour = opts.scopeBehaviour;
  }

  if (typeof scopedNameGenerator === 'function') {
    _cssModulesLoaderCore2.default.scope.generateScopedName = scopedNameGenerator;
  } else {
    _cssModulesLoaderCore2.default.scope.generateScopedName = (0, _genericNames2.default)(scopedNameGenerator, {
      context: process.cwd()
    });
  }

  return function (css, result) {
    var resultPlugins = result.processor.plugins.filter(function (plugin) {
      return plugin.postcssPlugin !== 'postcss-modules';
    });

    var plugins = [].concat(_toConsumableArray(_behaviours.defaultPlugins[scopeBehaviour]), _toConsumableArray(resultPlugins));

    var loader = typeof opts.Loader === 'function' ? new opts.Loader('/', plugins) : new _fileSystemLoader2.default('/', plugins);

    var parser = new _parser2.default(loader.fetch.bind(loader));

    var promise = new Promise(function (resolve, reject) {
      (0, _postcss2.default)([].concat(_toConsumableArray(plugins), [parser.plugin])).process(css, { from: css.source.input.file }).then(function () {
        var out = loader.finalSource;
        if (out) {
          css.prepend(out);
        }

        getJSON(css.source.input.file, parser.exportTokens);

        resolve();
      }, reject);
    });

    return promise;
  };
});