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"use strict";
var _postcss = require("postcss");
var _postcss2 = _interopRequireDefault(_postcss);
var _lodash = require("lodash.camelcase");
var _lodash2 = _interopRequireDefault(_lodash);
var _genericNames = require("generic-names");
var _genericNames2 = _interopRequireDefault(_genericNames);
var _unquote = require("./unquote");
var _unquote2 = _interopRequireDefault(_unquote);
var _parser = require("./css-loader-core/parser");
var _parser2 = _interopRequireDefault(_parser);
var _loader = require("./css-loader-core/loader");
var _loader2 = _interopRequireDefault(_loader);
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 _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }
const 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) {
const scopedNameGenerator = opts.generateScopedName || _generateScopedName2.default;
if (typeof scopedNameGenerator === "function") return scopedNameGenerator;
return (0, _genericNames2.default)(scopedNameGenerator, {
context: process.cwd(),
hashPrefix: opts.hashPrefix
});
}
function getLoader(opts, plugins) {
const root = typeof opts.root === "undefined" ? "/" : opts.root;
return typeof opts.Loader === "function" ? new opts.Loader(root, plugins) : new _loader2.default(root, plugins);
}
function isGlobalModule(globalModules, inputFile) {
return globalModules.some(regex => inputFile.match(regex));
}
function getDefaultPluginsList(opts, inputFile) {
const globalModulesList = opts.globalModulePaths || null;
const exportGlobals = opts.exportGlobals || false;
const defaultBehaviour = getDefaultScopeBehaviour(opts);
const generateScopedName = getScopedNameGenerator(opts);
if (globalModulesList && isGlobalModule(globalModulesList, inputFile)) {
return (0, _behaviours.getDefaultPlugins)({
behaviour: _behaviours.behaviours.GLOBAL,
generateScopedName,
exportGlobals
});
}
return (0, _behaviours.getDefaultPlugins)({
behaviour: defaultBehaviour,
generateScopedName,
exportGlobals
});
}
function isOurPlugin(plugin) {
return plugin.postcssPlugin === PLUGIN_NAME;
}
function dashesCamelCase(string) {
return string.replace(/-+(\w)/g, (_, firstLetter) => firstLetter.toUpperCase());
}
module.exports = (opts = {}) => {
return {
postcssPlugin: PLUGIN_NAME,
OnceExit(css, { result }) {
return _asyncToGenerator(function* () {
const getJSON = opts.getJSON || _saveJSON2.default;
const inputFile = css.source.input.file;
const pluginList = getDefaultPluginsList(opts, inputFile);
const resultPluginIndex = result.processor.plugins.findIndex(function (plugin) {
return isOurPlugin(plugin);
});
if (resultPluginIndex === -1) {
throw new Error('Plugin missing from options.');
}
const earlierPlugins = result.processor.plugins.slice(0, resultPluginIndex);
const loaderPlugins = [...earlierPlugins, ...pluginList];
const loader = getLoader(opts, loaderPlugins);
const fetcher = function fetcher(file, relativeTo, depTrace) {
const unquoteFile = (0, _unquote2.default)(file);
const resolvedResult = typeof opts.resolve === 'function' && opts.resolve(unquoteFile);
const resolvedFile = resolvedResult instanceof Promise ? resolvedResult : Promise.resolve(resolvedResult);
return resolvedFile.then(function (f) {
return loader.fetch.call(loader, `"${f || unquoteFile}"`, relativeTo, depTrace);
});
};
const parser = new _parser2.default(fetcher);
yield (0, _postcss2.default)([...pluginList, parser.plugin()]).process(css, {
from: inputFile
});
const out = loader.finalSource;
if (out) css.prepend(out);
if (opts.localsConvention) {
const isFunc = typeof opts.localsConvention === "function";
parser.exportTokens = Object.entries(parser.exportTokens).reduce(function (tokens, [className, value]) {
if (isFunc) {
tokens[opts.localsConvention(className, value, inputFile)] = value;
return tokens;
}
switch (opts.localsConvention) {
case "camelCase":
tokens[className] = value;
tokens[(0, _lodash2.default)(className)] = value;
break;
case "camelCaseOnly":
tokens[(0, _lodash2.default)(className)] = value;
break;
case "dashes":
tokens[className] = value;
tokens[dashesCamelCase(className)] = value;
break;
case "dashesOnly":
tokens[dashesCamelCase(className)] = value;
break;
}
return tokens;
}, {});
}
result.messages.push({
type: "export",
plugin: "postcss-modules",
exportTokens: parser.exportTokens
});
// getJSON may return a promise
return getJSON(css.source.input.file, parser.exportTokens, result.opts.to);
})();
}
};
};
module.exports.postcss = true;