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management/front/dkha-web-sz-main/node_modules/cssnano/dist/index.js

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JavaScript
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2023-12-18 13:12:25 +08:00
'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';
function initializePlugin(plugin, css, result) {
if (Array.isArray(plugin)) {
const [processor, opts] = plugin;
if (typeof opts === 'undefined' || typeof opts === 'object' && !opts.exclude || typeof opts === 'boolean' && opts === true) {
return Promise.resolve(processor(opts)(css, result));
}
} else {
return Promise.resolve(plugin()(css, result));
}
// Handle excluded plugins
return Promise.resolve();
}
/*
* preset can be one of four possibilities:
* preset = 'default'
* preset = ['default', {}]
* preset = function <- to be invoked
* preset = {plugins: []} <- already invoked function
*/
function resolvePreset(preset) {
let fn, options;
if (Array.isArray(preset)) {
fn = preset[0];
options = preset[1];
} else {
fn = preset;
options = {};
}
// For JS setups where we invoked the preset already
if (preset.plugins) {
return Promise.resolve(preset.plugins);
}
// Provide an alias for the default preset, as it is built-in.
if (fn === 'default') {
return Promise.resolve(require('cssnano-preset-default')(options).plugins);
}
// For non-JS setups; we'll need to invoke the preset ourselves.
if (typeof fn === 'function') {
return Promise.resolve(fn(options).plugins);
}
// Try loading a preset from node_modules
if ((0, _isResolvable2.default)(fn)) {
return Promise.resolve(require(fn)(options).plugins);
}
const sugar = `cssnano-preset-${fn}`;
// Try loading a preset from node_modules (sugar)
if ((0, _isResolvable2.default)(sugar)) {
return Promise.resolve(require(sugar)(options).plugins);
}
// If all else fails, we probably have a typo in the config somewhere
throw new Error(`Cannot load preset "${fn}". Please check your configuration for errors and try again.`);
}
/*
* 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'];