414 lines
11 KiB
JavaScript
414 lines
11 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.exec = exec;
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exports.findPackageJSONDir = findPackageJSONDir;
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exports.getPostcssImplementation = getPostcssImplementation;
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exports.getPostcssOptions = getPostcssOptions;
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exports.loadConfig = loadConfig;
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exports.normalizeSourceMap = normalizeSourceMap;
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exports.normalizeSourceMapAfterPostcss = normalizeSourceMapAfterPostcss;
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var _path = _interopRequireDefault(require("path"));
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var _module = _interopRequireDefault(require("module"));
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var _full = require("klona/full");
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var _cosmiconfig = require("cosmiconfig");
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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const parentModule = module;
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const stat = (inputFileSystem, filePath) => new Promise((resolve, reject) => {
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inputFileSystem.stat(filePath, (err, stats) => {
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if (err) {
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reject(err);
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}
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resolve(stats);
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});
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});
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function exec(code, loaderContext) {
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const {
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resource,
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context
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} = loaderContext;
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const module = new _module.default(resource, parentModule); // eslint-disable-next-line no-underscore-dangle
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module.paths = _module.default._nodeModulePaths(context);
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module.filename = resource; // eslint-disable-next-line no-underscore-dangle
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module._compile(code, resource);
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return module.exports;
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}
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async function loadConfig(loaderContext, config, postcssOptions) {
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const searchPath = typeof config === "string" ? _path.default.resolve(config) : _path.default.dirname(loaderContext.resourcePath);
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let stats;
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try {
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stats = await stat(loaderContext.fs, searchPath);
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} catch (errorIgnore) {
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throw new Error(`No PostCSS config found in: ${searchPath}`);
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}
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const explorer = (0, _cosmiconfig.cosmiconfig)("postcss");
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let result;
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try {
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if (stats.isFile()) {
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result = await explorer.load(searchPath);
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} else {
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result = await explorer.search(searchPath);
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}
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} catch (error) {
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throw error;
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}
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if (!result) {
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return {};
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}
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loaderContext.addBuildDependency(result.filepath);
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loaderContext.addDependency(result.filepath);
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if (result.isEmpty) {
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return result;
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}
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if (typeof result.config === "function") {
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const api = {
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mode: loaderContext.mode,
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file: loaderContext.resourcePath,
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// For complex use
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webpackLoaderContext: loaderContext,
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// Partial compatibility with `postcss-cli`
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env: loaderContext.mode,
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options: postcssOptions || {}
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};
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result.config = result.config(api);
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}
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result = (0, _full.klona)(result);
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return result;
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}
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function loadPlugin(plugin, options, file) {
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try {
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if (!options || Object.keys(options).length === 0) {
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// eslint-disable-next-line global-require, import/no-dynamic-require
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const loadedPlugin = require(plugin);
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if (loadedPlugin.default) {
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return loadedPlugin.default;
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}
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return loadedPlugin;
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} // eslint-disable-next-line global-require, import/no-dynamic-require
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const loadedPlugin = require(plugin);
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if (loadedPlugin.default) {
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return loadedPlugin.default(options);
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}
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return loadedPlugin(options);
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} catch (error) {
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throw new Error(`Loading PostCSS "${plugin}" plugin failed: ${error.message}\n\n(@${file})`);
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}
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}
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function pluginFactory() {
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const listOfPlugins = new Map();
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return plugins => {
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if (typeof plugins === "undefined") {
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return listOfPlugins;
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}
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if (Array.isArray(plugins)) {
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for (const plugin of plugins) {
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if (Array.isArray(plugin)) {
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const [name, options] = plugin;
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listOfPlugins.set(name, options);
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} else if (plugin && typeof plugin === "function") {
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listOfPlugins.set(plugin);
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} else if (plugin && Object.keys(plugin).length === 1 && (typeof plugin[Object.keys(plugin)[0]] === "object" || typeof plugin[Object.keys(plugin)[0]] === "boolean") && plugin[Object.keys(plugin)[0]] !== null) {
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const [name] = Object.keys(plugin);
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const options = plugin[name];
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if (options === false) {
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listOfPlugins.delete(name);
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} else {
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listOfPlugins.set(name, options);
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}
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} else if (plugin) {
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listOfPlugins.set(plugin);
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}
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}
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} else {
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const objectPlugins = Object.entries(plugins);
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for (const [name, options] of objectPlugins) {
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if (options === false) {
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listOfPlugins.delete(name);
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} else {
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listOfPlugins.set(name, options);
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}
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}
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}
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return listOfPlugins;
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};
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}
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async function tryRequireThenImport(module) {
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let exports;
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try {
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// eslint-disable-next-line import/no-dynamic-require, global-require
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exports = require(module);
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return exports;
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} catch (requireError) {
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let importESM;
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try {
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// eslint-disable-next-line no-new-func
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importESM = new Function("id", "return import(id);");
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} catch (e) {
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importESM = null;
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}
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if (requireError.code === "ERR_REQUIRE_ESM" && importESM) {
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exports = await importESM(module);
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return exports.default;
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}
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throw requireError;
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}
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}
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async function getPostcssOptions(loaderContext, loadedConfig = {}, postcssOptions = {}) {
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const file = loaderContext.resourcePath;
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let normalizedPostcssOptions = postcssOptions;
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if (typeof normalizedPostcssOptions === "function") {
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normalizedPostcssOptions = normalizedPostcssOptions(loaderContext);
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}
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let plugins = [];
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try {
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const factory = pluginFactory();
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if (loadedConfig.config && loadedConfig.config.plugins) {
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factory(loadedConfig.config.plugins);
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}
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factory(normalizedPostcssOptions.plugins);
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plugins = [...factory()].map(item => {
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const [plugin, options] = item;
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if (typeof plugin === "string") {
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return loadPlugin(plugin, options, file);
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}
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return plugin;
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});
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} catch (error) {
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loaderContext.emitError(error);
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}
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const processOptionsFromConfig = loadedConfig.config || {};
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if (processOptionsFromConfig.from) {
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processOptionsFromConfig.from = _path.default.resolve(_path.default.dirname(loadedConfig.filepath), processOptionsFromConfig.from);
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}
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if (processOptionsFromConfig.to) {
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processOptionsFromConfig.to = _path.default.resolve(_path.default.dirname(loadedConfig.filepath), processOptionsFromConfig.to);
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} // No need them for processOptions
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delete processOptionsFromConfig.plugins;
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const processOptionsFromOptions = (0, _full.klona)(normalizedPostcssOptions);
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if (processOptionsFromOptions.from) {
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processOptionsFromOptions.from = _path.default.resolve(loaderContext.rootContext, processOptionsFromOptions.from);
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}
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if (processOptionsFromOptions.to) {
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processOptionsFromOptions.to = _path.default.resolve(loaderContext.rootContext, processOptionsFromOptions.to);
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} // No need them for processOptions
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delete processOptionsFromOptions.config;
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delete processOptionsFromOptions.plugins;
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const processOptions = {
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from: file,
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to: file,
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map: false,
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...processOptionsFromConfig,
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...processOptionsFromOptions
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};
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if (typeof processOptions.parser === "string") {
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try {
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processOptions.parser = await tryRequireThenImport(processOptions.parser);
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} catch (error) {
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loaderContext.emitError(new Error(`Loading PostCSS "${processOptions.parser}" parser failed: ${error.message}\n\n(@${file})`));
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}
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}
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if (typeof processOptions.stringifier === "string") {
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try {
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processOptions.stringifier = await tryRequireThenImport(processOptions.stringifier);
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} catch (error) {
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loaderContext.emitError(new Error(`Loading PostCSS "${processOptions.stringifier}" stringifier failed: ${error.message}\n\n(@${file})`));
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}
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}
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if (typeof processOptions.syntax === "string") {
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try {
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processOptions.syntax = await tryRequireThenImport(processOptions.syntax);
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} catch (error) {
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loaderContext.emitError(new Error(`Loading PostCSS "${processOptions.syntax}" syntax failed: ${error.message}\n\n(@${file})`));
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}
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}
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if (processOptions.map === true) {
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// https://github.com/postcss/postcss/blob/master/docs/source-maps.md
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processOptions.map = {
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inline: true
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};
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}
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return {
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plugins,
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processOptions
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};
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}
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const IS_NATIVE_WIN32_PATH = /^[a-z]:[/\\]|^\\\\/i;
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const ABSOLUTE_SCHEME = /^[a-z0-9+\-.]+:/i;
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function getURLType(source) {
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if (source[0] === "/") {
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if (source[1] === "/") {
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return "scheme-relative";
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}
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return "path-absolute";
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}
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if (IS_NATIVE_WIN32_PATH.test(source)) {
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return "path-absolute";
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}
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return ABSOLUTE_SCHEME.test(source) ? "absolute" : "path-relative";
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}
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function normalizeSourceMap(map, resourceContext) {
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let newMap = map; // Some loader emit source map as string
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// Strip any JSON XSSI avoidance prefix from the string (as documented in the source maps specification), and then parse the string as JSON.
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if (typeof newMap === "string") {
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newMap = JSON.parse(newMap);
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}
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delete newMap.file;
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const {
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sourceRoot
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} = newMap;
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delete newMap.sourceRoot;
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if (newMap.sources) {
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newMap.sources = newMap.sources.map(source => {
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const sourceType = getURLType(source); // Do no touch `scheme-relative` and `absolute` URLs
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if (sourceType === "path-relative" || sourceType === "path-absolute") {
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const absoluteSource = sourceType === "path-relative" && sourceRoot ? _path.default.resolve(sourceRoot, _path.default.normalize(source)) : _path.default.normalize(source);
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return _path.default.relative(resourceContext, absoluteSource);
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}
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return source;
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});
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}
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return newMap;
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}
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function normalizeSourceMapAfterPostcss(map, resourceContext) {
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const newMap = map; // result.map.file is an optional property that provides the output filename.
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// Since we don't know the final filename in the webpack build chain yet, it makes no sense to have it.
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// eslint-disable-next-line no-param-reassign
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delete newMap.file; // eslint-disable-next-line no-param-reassign
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newMap.sourceRoot = ""; // eslint-disable-next-line no-param-reassign
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newMap.sources = newMap.sources.map(source => {
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if (source.indexOf("<") === 0) {
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return source;
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}
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const sourceType = getURLType(source); // Do no touch `scheme-relative`, `path-absolute` and `absolute` types
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if (sourceType === "path-relative") {
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return _path.default.resolve(resourceContext, source);
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}
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return source;
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});
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return newMap;
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}
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function findPackageJSONDir(cwd, statSync) {
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let dir = cwd;
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for (;;) {
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try {
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if (statSync(_path.default.join(dir, "package.json")).isFile()) {
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break;
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}
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} catch (error) {// Nothing
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}
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const parent = _path.default.dirname(dir);
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if (dir === parent) {
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dir = null;
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break;
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}
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dir = parent;
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}
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return dir;
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}
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function getPostcssImplementation(loaderContext, implementation) {
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let resolvedImplementation = implementation;
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if (!implementation || typeof implementation === "string") {
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const postcssImplPkg = implementation || "postcss";
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try {
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// eslint-disable-next-line import/no-dynamic-require, global-require
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resolvedImplementation = require(postcssImplPkg);
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} catch (error) {
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loaderContext.emitError(error); // eslint-disable-next-line consistent-return
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return;
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}
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} // eslint-disable-next-line consistent-return
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return resolvedImplementation;
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} |