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/home/yanggyein/yanggyein/yang_ai/node_modules/cssnano/dist/index.js

'use strict';

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

var _path = require('path');

var _path2 = _interopRequireDefault(_path);

var _postcss = require('postcss');

var _postcss2 = _interopRequireDefault(_postcss);

var _cosmiconfig = require('cosmiconfig');

var _cosmiconfig2 = _interopRequireDefault(_cosmiconfig);

var _isResolvable = require('is-resolvable');

var _isResolvable2 = _interopRequireDefault(_isResolvable);

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

const cssnano = 'cssnano';

/*
 * preset can be one of four possibilities:
 * preset = 'default'
 * preset = ['default', {}]
 * preset = function <- to be invoked
 * preset = {plugins: []} <- already invoked function
 */

/*
 * cssnano will look for configuration firstly as options passed
 * directly to it, and failing this it will use cosmiconfig to
 * load an external file.
 */

function resolveConfig(css, result, options) {
    if (options.preset) {
        return resolvePreset(options.preset);
    }

const inputFile = css.source && css.source.input && css.source.input.file;
    let searchPath = inputFile ? _path2.default.dirname(inputFile) : process.cwd();
    let configPath = null;

if (options.configFile) {
        searchPath = null;
        configPath = _path2.default.resolve(process.cwd(), options.configFile);
    }

const configExplorer = (0, _cosmiconfig2.default)(cssnano);
    const searchForConfig = configPath ? configExplorer.load(configPath) : configExplorer.search(searchPath);

return searchForConfig.then(config => {
        if (config === null) {
            return resolvePreset('default');
        }
        return resolvePreset(config.config.preset || config.config);
    });
}

exports.default = _postcss2.default.plugin(cssnano, (options = {}) => {
    return (css, result) => {
        return resolveConfig(css, result, options).then(plugins => {
            return plugins.reduce((promise, plugin) => {
                return promise.then(initializePlugin.bind(null, plugin, css, result));
            }, Promise.resolve());
        });
    };
});
module.exports = exports['default'];