suyiScreen/node_modules/postcss-modules/build/index.js

101 lines
3.4 KiB
JavaScript

'use strict';
var _postcss = require('postcss');
var _postcss2 = _interopRequireDefault(_postcss);
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); } }
var PLUGIN_NAME = 'postcss-modules';
function getDefaultScopeBehaviour(opts) {
if (opts.scopeBehaviour && (0, _behaviours.isValidBehaviour)(opts.scopeBehaviour)) {
return opts.scopeBehaviour;
}
return _behaviours.behaviours.LOCAL;
}
function getScopedNameGenerator(opts) {
var scopedNameGenerator = opts.generateScopedName || _generateScopedName2.default;
if (typeof scopedNameGenerator === 'function') return scopedNameGenerator;
return (0, _genericNames2.default)(scopedNameGenerator, { context: process.cwd() });
}
function getLoader(opts, plugins) {
var root = opts.root || '/';
return typeof opts.Loader === 'function' ? new opts.Loader(root, plugins) : new _fileSystemLoader2.default(root, plugins);
}
function isGlobalModule(globalModules, inputFile) {
return globalModules.some(function (regex) {
return inputFile.match(regex);
});
}
function getDefaultPluginsList(opts, inputFile) {
var globalModulesList = opts.globalModulePaths || null;
var defaultBehaviour = getDefaultScopeBehaviour(opts);
var generateName = getScopedNameGenerator(opts);
if (globalModulesList && isGlobalModule(globalModulesList, inputFile)) {
return (0, _behaviours.getDefaultPlugins)(_behaviours.behaviours.GLOBAL, generateName);
}
return (0, _behaviours.getDefaultPlugins)(defaultBehaviour, generateName);
}
function isResultPlugin(plugin) {
return plugin.postcssPlugin !== PLUGIN_NAME;
}
module.exports = _postcss2.default.plugin(PLUGIN_NAME, function () {
var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
var getJSON = opts.getJSON || _saveJSON2.default;
return function (css, result) {
var inputFile = css.source.input.file;
var resultPlugins = result.processor.plugins.filter(isResultPlugin);
var pluginList = getDefaultPluginsList(opts, inputFile);
var plugins = [].concat(_toConsumableArray(pluginList), _toConsumableArray(resultPlugins));
var loader = getLoader(opts, plugins);
var parser = new _parser2.default(loader.fetch.bind(loader));
return new Promise(function (resolve, reject) {
(0, _postcss2.default)([].concat(_toConsumableArray(plugins), [parser.plugin])).process(css, { from: inputFile }).then(function () {
var out = loader.finalSource;
if (out) css.prepend(out);
getJSON(css.source.input.file, parser.exportTokens);
resolve();
}, reject);
});
};
});