source: trip-planner-front/node_modules/postcss-loader/dist/utils.js@ 59329aa

Last change on this file since 59329aa was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 11.2 KB
Line 
1"use strict";
2
3Object.defineProperty(exports, "__esModule", {
4 value: true
5});
6exports.loadConfig = loadConfig;
7exports.getPostcssOptions = getPostcssOptions;
8exports.exec = exec;
9exports.normalizeSourceMap = normalizeSourceMap;
10exports.normalizeSourceMapAfterPostcss = normalizeSourceMapAfterPostcss;
11exports.findPackageJSONDir = findPackageJSONDir;
12exports.getPostcssImplementation = getPostcssImplementation;
13
14var _path = _interopRequireDefault(require("path"));
15
16var _module = _interopRequireDefault(require("module"));
17
18var _full = require("klona/full");
19
20var _cosmiconfig = require("cosmiconfig");
21
22function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
23
24const parentModule = module;
25
26const stat = (inputFileSystem, filePath) => new Promise((resolve, reject) => {
27 inputFileSystem.stat(filePath, (err, stats) => {
28 if (err) {
29 reject(err);
30 }
31
32 resolve(stats);
33 });
34});
35
36function exec(code, loaderContext) {
37 const {
38 resource,
39 context
40 } = loaderContext;
41 const module = new _module.default(resource, parentModule); // eslint-disable-next-line no-underscore-dangle
42
43 module.paths = _module.default._nodeModulePaths(context);
44 module.filename = resource; // eslint-disable-next-line no-underscore-dangle
45
46 module._compile(code, resource);
47
48 return module.exports;
49}
50
51async function loadConfig(loaderContext, config, postcssOptions) {
52 const searchPath = typeof config === "string" ? _path.default.resolve(config) : _path.default.dirname(loaderContext.resourcePath);
53 let stats;
54
55 try {
56 stats = await stat(loaderContext.fs, searchPath);
57 } catch (errorIgnore) {
58 throw new Error(`No PostCSS config found in: ${searchPath}`);
59 }
60
61 const explorer = (0, _cosmiconfig.cosmiconfig)("postcss");
62 let result;
63
64 try {
65 if (stats.isFile()) {
66 result = await explorer.load(searchPath);
67 } else {
68 result = await explorer.search(searchPath);
69 }
70 } catch (error) {
71 throw error;
72 }
73
74 if (!result) {
75 return {};
76 }
77
78 loaderContext.addBuildDependency(result.filepath);
79
80 if (result.isEmpty) {
81 return result;
82 }
83
84 if (typeof result.config === "function") {
85 const api = {
86 mode: loaderContext.mode,
87 file: loaderContext.resourcePath,
88 // For complex use
89 webpackLoaderContext: loaderContext,
90 // Partial compatibility with `postcss-cli`
91 env: loaderContext.mode,
92 options: postcssOptions || {}
93 };
94 result.config = result.config(api);
95 }
96
97 result = (0, _full.klona)(result);
98 return result;
99}
100
101function loadPlugin(plugin, options, file) {
102 try {
103 if (!options || Object.keys(options).length === 0) {
104 // eslint-disable-next-line global-require, import/no-dynamic-require
105 const loadedPlugin = require(plugin);
106
107 if (loadedPlugin.default) {
108 return loadedPlugin.default;
109 }
110
111 return loadedPlugin;
112 } // eslint-disable-next-line global-require, import/no-dynamic-require
113
114
115 const loadedPlugin = require(plugin);
116
117 if (loadedPlugin.default) {
118 return loadedPlugin.default(options);
119 }
120
121 return loadedPlugin(options);
122 } catch (error) {
123 throw new Error(`Loading PostCSS "${plugin}" plugin failed: ${error.message}\n\n(@${file})`);
124 }
125}
126
127function pluginFactory() {
128 const listOfPlugins = new Map();
129 return plugins => {
130 if (typeof plugins === "undefined") {
131 return listOfPlugins;
132 }
133
134 if (Array.isArray(plugins)) {
135 for (const plugin of plugins) {
136 if (Array.isArray(plugin)) {
137 const [name, options] = plugin;
138 listOfPlugins.set(name, options);
139 } else if (plugin && typeof plugin === "function") {
140 listOfPlugins.set(plugin);
141 } 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) {
142 const [name] = Object.keys(plugin);
143 const options = plugin[name];
144
145 if (options === false) {
146 listOfPlugins.delete(name);
147 } else {
148 listOfPlugins.set(name, options);
149 }
150 } else if (plugin) {
151 listOfPlugins.set(plugin);
152 }
153 }
154 } else {
155 const objectPlugins = Object.entries(plugins);
156
157 for (const [name, options] of objectPlugins) {
158 if (options === false) {
159 listOfPlugins.delete(name);
160 } else {
161 listOfPlugins.set(name, options);
162 }
163 }
164 }
165
166 return listOfPlugins;
167 };
168}
169
170async function load(module) {
171 let exports;
172
173 try {
174 // eslint-disable-next-line import/no-dynamic-require, global-require
175 exports = require(module);
176 return exports;
177 } catch (requireError) {
178 let importESM;
179
180 try {
181 // eslint-disable-next-line no-new-func
182 importESM = new Function("id", "return import(id);");
183 } catch (e) {
184 importESM = null;
185 }
186
187 if (requireError.code === "ERR_REQUIRE_ESM" && importESM) {
188 exports = await importESM(module);
189 return exports.default;
190 }
191
192 throw requireError;
193 }
194}
195
196async function getPostcssOptions(loaderContext, loadedConfig = {}, postcssOptions = {}) {
197 const file = loaderContext.resourcePath;
198 let normalizedPostcssOptions = postcssOptions;
199
200 if (typeof normalizedPostcssOptions === "function") {
201 normalizedPostcssOptions = normalizedPostcssOptions(loaderContext);
202 }
203
204 let plugins = [];
205
206 try {
207 const factory = pluginFactory();
208
209 if (loadedConfig.config && loadedConfig.config.plugins) {
210 factory(loadedConfig.config.plugins);
211 }
212
213 factory(normalizedPostcssOptions.plugins);
214 plugins = [...factory()].map(item => {
215 const [plugin, options] = item;
216
217 if (typeof plugin === "string") {
218 return loadPlugin(plugin, options, file);
219 }
220
221 return plugin;
222 });
223 } catch (error) {
224 loaderContext.emitError(error);
225 }
226
227 const processOptionsFromConfig = loadedConfig.config || {};
228
229 if (processOptionsFromConfig.from) {
230 processOptionsFromConfig.from = _path.default.resolve(_path.default.dirname(loadedConfig.filepath), processOptionsFromConfig.from);
231 }
232
233 if (processOptionsFromConfig.to) {
234 processOptionsFromConfig.to = _path.default.resolve(_path.default.dirname(loadedConfig.filepath), processOptionsFromConfig.to);
235 } // No need them for processOptions
236
237
238 delete processOptionsFromConfig.plugins;
239 const processOptionsFromOptions = (0, _full.klona)(normalizedPostcssOptions);
240
241 if (processOptionsFromOptions.from) {
242 processOptionsFromOptions.from = _path.default.resolve(loaderContext.rootContext, processOptionsFromOptions.from);
243 }
244
245 if (processOptionsFromOptions.to) {
246 processOptionsFromOptions.to = _path.default.resolve(loaderContext.rootContext, processOptionsFromOptions.to);
247 } // No need them for processOptions
248
249
250 delete processOptionsFromOptions.config;
251 delete processOptionsFromOptions.plugins;
252 const processOptions = {
253 from: file,
254 to: file,
255 map: false,
256 ...processOptionsFromConfig,
257 ...processOptionsFromOptions
258 };
259
260 if (typeof processOptions.parser === "string") {
261 try {
262 processOptions.parser = await load(processOptions.parser);
263 } catch (error) {
264 loaderContext.emitError(new Error(`Loading PostCSS "${processOptions.parser}" parser failed: ${error.message}\n\n(@${file})`));
265 }
266 }
267
268 if (typeof processOptions.stringifier === "string") {
269 try {
270 processOptions.stringifier = await load(processOptions.stringifier);
271 } catch (error) {
272 loaderContext.emitError(new Error(`Loading PostCSS "${processOptions.stringifier}" stringifier failed: ${error.message}\n\n(@${file})`));
273 }
274 }
275
276 if (typeof processOptions.syntax === "string") {
277 try {
278 processOptions.syntax = await load(processOptions.syntax);
279 } catch (error) {
280 loaderContext.emitError(new Error(`Loading PostCSS "${processOptions.syntax}" syntax failed: ${error.message}\n\n(@${file})`));
281 }
282 }
283
284 if (processOptions.map === true) {
285 // https://github.com/postcss/postcss/blob/master/docs/source-maps.md
286 processOptions.map = {
287 inline: true
288 };
289 }
290
291 return {
292 plugins,
293 processOptions
294 };
295}
296
297const IS_NATIVE_WIN32_PATH = /^[a-z]:[/\\]|^\\\\/i;
298const ABSOLUTE_SCHEME = /^[a-z0-9+\-.]+:/i;
299
300function getURLType(source) {
301 if (source[0] === "/") {
302 if (source[1] === "/") {
303 return "scheme-relative";
304 }
305
306 return "path-absolute";
307 }
308
309 if (IS_NATIVE_WIN32_PATH.test(source)) {
310 return "path-absolute";
311 }
312
313 return ABSOLUTE_SCHEME.test(source) ? "absolute" : "path-relative";
314}
315
316function normalizeSourceMap(map, resourceContext) {
317 let newMap = map; // Some loader emit source map as string
318 // Strip any JSON XSSI avoidance prefix from the string (as documented in the source maps specification), and then parse the string as JSON.
319
320 if (typeof newMap === "string") {
321 newMap = JSON.parse(newMap);
322 }
323
324 delete newMap.file;
325 const {
326 sourceRoot
327 } = newMap;
328 delete newMap.sourceRoot;
329
330 if (newMap.sources) {
331 newMap.sources = newMap.sources.map(source => {
332 const sourceType = getURLType(source); // Do no touch `scheme-relative` and `absolute` URLs
333
334 if (sourceType === "path-relative" || sourceType === "path-absolute") {
335 const absoluteSource = sourceType === "path-relative" && sourceRoot ? _path.default.resolve(sourceRoot, _path.default.normalize(source)) : _path.default.normalize(source);
336 return _path.default.relative(resourceContext, absoluteSource);
337 }
338
339 return source;
340 });
341 }
342
343 return newMap;
344}
345
346function normalizeSourceMapAfterPostcss(map, resourceContext) {
347 const newMap = map; // result.map.file is an optional property that provides the output filename.
348 // Since we don't know the final filename in the webpack build chain yet, it makes no sense to have it.
349 // eslint-disable-next-line no-param-reassign
350
351 delete newMap.file; // eslint-disable-next-line no-param-reassign
352
353 newMap.sourceRoot = ""; // eslint-disable-next-line no-param-reassign
354
355 newMap.sources = newMap.sources.map(source => {
356 if (source.indexOf("<") === 0) {
357 return source;
358 }
359
360 const sourceType = getURLType(source); // Do no touch `scheme-relative`, `path-absolute` and `absolute` types
361
362 if (sourceType === "path-relative") {
363 return _path.default.resolve(resourceContext, source);
364 }
365
366 return source;
367 });
368 return newMap;
369}
370
371function findPackageJSONDir(cwd, statSync) {
372 let dir = cwd;
373
374 for (;;) {
375 try {
376 if (statSync(_path.default.join(dir, "package.json")).isFile()) {
377 break;
378 }
379 } catch (error) {// Nothing
380 }
381
382 const parent = _path.default.dirname(dir);
383
384 if (dir === parent) {
385 dir = null;
386 break;
387 }
388
389 dir = parent;
390 }
391
392 return dir;
393}
394
395function getPostcssImplementation(loaderContext, implementation) {
396 let resolvedImplementation = implementation;
397
398 if (!implementation || typeof implementation === "string") {
399 const postcssImplPkg = implementation || "postcss";
400
401 try {
402 // eslint-disable-next-line import/no-dynamic-require, global-require
403 resolvedImplementation = require(postcssImplPkg);
404 } catch (error) {
405 loaderContext.emitError(error); // eslint-disable-next-line consistent-return
406
407 return;
408 }
409 } // eslint-disable-next-line consistent-return
410
411
412 return resolvedImplementation;
413}
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