1 |
|
2 |
|
3 |
|
4 |
|
5 |
|
6 | "use strict";
|
7 |
|
8 | const asyncLib = require("neo-async");
|
9 | const { AsyncSeriesWaterfallHook, SyncWaterfallHook } = require("tapable");
|
10 | const ContextModule = require("./ContextModule");
|
11 | const ModuleFactory = require("./ModuleFactory");
|
12 | const ContextElementDependency = require("./dependencies/ContextElementDependency");
|
13 | const LazySet = require("./util/LazySet");
|
14 | const { cachedSetProperty } = require("./util/cleverMerge");
|
15 | const { createFakeHook } = require("./util/deprecation");
|
16 | const { join } = require("./util/fs");
|
17 |
|
18 |
|
19 |
|
20 |
|
21 |
|
22 |
|
23 |
|
24 |
|
25 |
|
26 |
|
27 |
|
28 | const EMPTY_RESOLVE_OPTIONS = {};
|
29 |
|
30 | module.exports = class ContextModuleFactory extends ModuleFactory {
|
31 | |
32 |
|
33 |
|
34 | constructor(resolverFactory) {
|
35 | super();
|
36 |
|
37 | const alternativeRequests = new AsyncSeriesWaterfallHook([
|
38 | "modules",
|
39 | "options"
|
40 | ]);
|
41 | this.hooks = Object.freeze({
|
42 |
|
43 | beforeResolve: new AsyncSeriesWaterfallHook(["data"]),
|
44 |
|
45 | afterResolve: new AsyncSeriesWaterfallHook(["data"]),
|
46 |
|
47 | contextModuleFiles: new SyncWaterfallHook(["files"]),
|
48 |
|
49 | alternatives: createFakeHook(
|
50 | {
|
51 | name: "alternatives",
|
52 |
|
53 | intercept: interceptor => {
|
54 | throw new Error(
|
55 | "Intercepting fake hook ContextModuleFactory.hooks.alternatives is not possible, use ContextModuleFactory.hooks.alternativeRequests instead"
|
56 | );
|
57 | },
|
58 |
|
59 | tap: (options, fn) => {
|
60 | alternativeRequests.tap(options, fn);
|
61 | },
|
62 |
|
63 | tapAsync: (options, fn) => {
|
64 | alternativeRequests.tapAsync(options, (items, _options, callback) =>
|
65 | fn(items, callback)
|
66 | );
|
67 | },
|
68 |
|
69 | tapPromise: (options, fn) => {
|
70 | alternativeRequests.tapPromise(options, fn);
|
71 | }
|
72 | },
|
73 | "ContextModuleFactory.hooks.alternatives has deprecated in favor of ContextModuleFactory.hooks.alternativeRequests with an additional options argument.",
|
74 | "DEP_WEBPACK_CONTEXT_MODULE_FACTORY_ALTERNATIVES"
|
75 | ),
|
76 | alternativeRequests
|
77 | });
|
78 | this.resolverFactory = resolverFactory;
|
79 | }
|
80 |
|
81 | |
82 |
|
83 |
|
84 |
|
85 |
|
86 | create(data, callback) {
|
87 | const context = data.context;
|
88 | const dependencies = data.dependencies;
|
89 | const resolveOptions = data.resolveOptions;
|
90 | const dependency = (dependencies[0]);
|
91 | const fileDependencies = new LazySet();
|
92 | const missingDependencies = new LazySet();
|
93 | const contextDependencies = new LazySet();
|
94 | this.hooks.beforeResolve.callAsync(
|
95 | {
|
96 | context: context,
|
97 | dependencies: dependencies,
|
98 | resolveOptions,
|
99 | fileDependencies,
|
100 | missingDependencies,
|
101 | contextDependencies,
|
102 | ...dependency.options
|
103 | },
|
104 | (err, beforeResolveResult) => {
|
105 | if (err) {
|
106 | return callback(err, {
|
107 | fileDependencies,
|
108 | missingDependencies,
|
109 | contextDependencies
|
110 | });
|
111 | }
|
112 |
|
113 |
|
114 | if (!beforeResolveResult) {
|
115 | return callback(null, {
|
116 | fileDependencies,
|
117 | missingDependencies,
|
118 | contextDependencies
|
119 | });
|
120 | }
|
121 |
|
122 | const context = beforeResolveResult.context;
|
123 | const request = beforeResolveResult.request;
|
124 | const resolveOptions = beforeResolveResult.resolveOptions;
|
125 |
|
126 | let loaders,
|
127 | resource,
|
128 | loadersPrefix = "";
|
129 | const idx = request.lastIndexOf("!");
|
130 | if (idx >= 0) {
|
131 | let loadersRequest = request.substr(0, idx + 1);
|
132 | let i;
|
133 | for (
|
134 | i = 0;
|
135 | i < loadersRequest.length && loadersRequest[i] === "!";
|
136 | i++
|
137 | ) {
|
138 | loadersPrefix += "!";
|
139 | }
|
140 | loadersRequest = loadersRequest
|
141 | .substr(i)
|
142 | .replace(/!+$/, "")
|
143 | .replace(/!!+/g, "!");
|
144 | if (loadersRequest === "") {
|
145 | loaders = [];
|
146 | } else {
|
147 | loaders = loadersRequest.split("!");
|
148 | }
|
149 | resource = request.substr(idx + 1);
|
150 | } else {
|
151 | loaders = [];
|
152 | resource = request;
|
153 | }
|
154 |
|
155 | const contextResolver = this.resolverFactory.get(
|
156 | "context",
|
157 | dependencies.length > 0
|
158 | ? cachedSetProperty(
|
159 | resolveOptions || EMPTY_RESOLVE_OPTIONS,
|
160 | "dependencyType",
|
161 | dependencies[0].category
|
162 | )
|
163 | : resolveOptions
|
164 | );
|
165 | const loaderResolver = this.resolverFactory.get("loader");
|
166 |
|
167 | asyncLib.parallel(
|
168 | [
|
169 | callback => {
|
170 | contextResolver.resolve(
|
171 | {},
|
172 | context,
|
173 | resource,
|
174 | {
|
175 | fileDependencies,
|
176 | missingDependencies,
|
177 | contextDependencies
|
178 | },
|
179 | (err, result) => {
|
180 | if (err) return callback(err);
|
181 | callback(null, result);
|
182 | }
|
183 | );
|
184 | },
|
185 | callback => {
|
186 | asyncLib.map(
|
187 | loaders,
|
188 | (loader, callback) => {
|
189 | loaderResolver.resolve(
|
190 | {},
|
191 | context,
|
192 | loader,
|
193 | {
|
194 | fileDependencies,
|
195 | missingDependencies,
|
196 | contextDependencies
|
197 | },
|
198 | (err, result) => {
|
199 | if (err) return callback(err);
|
200 | callback(null, result);
|
201 | }
|
202 | );
|
203 | },
|
204 | callback
|
205 | );
|
206 | }
|
207 | ],
|
208 | (err, result) => {
|
209 | if (err) {
|
210 | return callback(err, {
|
211 | fileDependencies,
|
212 | missingDependencies,
|
213 | contextDependencies
|
214 | });
|
215 | }
|
216 |
|
217 | this.hooks.afterResolve.callAsync(
|
218 | {
|
219 | addon:
|
220 | loadersPrefix +
|
221 | result[1].join("!") +
|
222 | (result[1].length > 0 ? "!" : ""),
|
223 | resource: result[0],
|
224 | resolveDependencies: this.resolveDependencies.bind(this),
|
225 | ...beforeResolveResult
|
226 | },
|
227 | (err, result) => {
|
228 | if (err) {
|
229 | return callback(err, {
|
230 | fileDependencies,
|
231 | missingDependencies,
|
232 | contextDependencies
|
233 | });
|
234 | }
|
235 |
|
236 |
|
237 | if (!result) {
|
238 | return callback(null, {
|
239 | fileDependencies,
|
240 | missingDependencies,
|
241 | contextDependencies
|
242 | });
|
243 | }
|
244 |
|
245 | return callback(null, {
|
246 | module: new ContextModule(result.resolveDependencies, result),
|
247 | fileDependencies,
|
248 | missingDependencies,
|
249 | contextDependencies
|
250 | });
|
251 | }
|
252 | );
|
253 | }
|
254 | );
|
255 | }
|
256 | );
|
257 | }
|
258 |
|
259 | |
260 |
|
261 |
|
262 |
|
263 |
|
264 |
|
265 | resolveDependencies(fs, options, callback) {
|
266 | const cmf = this;
|
267 | const {
|
268 | resource,
|
269 | resourceQuery,
|
270 | resourceFragment,
|
271 | recursive,
|
272 | regExp,
|
273 | include,
|
274 | exclude,
|
275 | referencedExports,
|
276 | category,
|
277 | typePrefix
|
278 | } = options;
|
279 | if (!regExp || !resource) return callback(null, []);
|
280 |
|
281 | const addDirectoryChecked = (directory, visited, callback) => {
|
282 | fs.realpath(directory, (err, realPath) => {
|
283 | if (err) return callback(err);
|
284 | if (visited.has(realPath)) return callback(null, []);
|
285 | let recursionStack;
|
286 | addDirectory(
|
287 | directory,
|
288 | (dir, callback) => {
|
289 | if (recursionStack === undefined) {
|
290 | recursionStack = new Set(visited);
|
291 | recursionStack.add(realPath);
|
292 | }
|
293 | addDirectoryChecked(dir, recursionStack, callback);
|
294 | },
|
295 | callback
|
296 | );
|
297 | });
|
298 | };
|
299 |
|
300 | const addDirectory = (directory, addSubDirectory, callback) => {
|
301 | fs.readdir(directory, (err, files) => {
|
302 | if (err) return callback(err);
|
303 | const processedFiles = cmf.hooks.contextModuleFiles.call(
|
304 | (files).map(file => file.normalize("NFC"))
|
305 | );
|
306 | if (!processedFiles || processedFiles.length === 0)
|
307 | return callback(null, []);
|
308 | asyncLib.map(
|
309 | processedFiles.filter(p => p.indexOf(".") !== 0),
|
310 | (segment, callback) => {
|
311 | const subResource = join(fs, directory, segment);
|
312 |
|
313 | if (!exclude || !subResource.match(exclude)) {
|
314 | fs.stat(subResource, (err, stat) => {
|
315 | if (err) {
|
316 | if (err.code === "ENOENT") {
|
317 |
|
318 |
|
319 | return callback();
|
320 | } else {
|
321 | return callback(err);
|
322 | }
|
323 | }
|
324 |
|
325 | if (stat.isDirectory()) {
|
326 | if (!recursive) return callback();
|
327 | addSubDirectory(subResource, callback);
|
328 | } else if (
|
329 | stat.isFile() &&
|
330 | (!include || subResource.match(include))
|
331 | ) {
|
332 | const obj = {
|
333 | context: resource,
|
334 | request:
|
335 | "." +
|
336 | subResource.substr(resource.length).replace(/\\/g, "/")
|
337 | };
|
338 |
|
339 | this.hooks.alternativeRequests.callAsync(
|
340 | [obj],
|
341 | options,
|
342 | (err, alternatives) => {
|
343 | if (err) return callback(err);
|
344 | alternatives = alternatives
|
345 | .filter(obj => regExp.test(obj.request))
|
346 | .map(obj => {
|
347 | const dep = new ContextElementDependency(
|
348 | obj.request + resourceQuery + resourceFragment,
|
349 | obj.request,
|
350 | typePrefix,
|
351 | category,
|
352 | referencedExports
|
353 | );
|
354 | dep.optional = true;
|
355 | return dep;
|
356 | });
|
357 | callback(null, alternatives);
|
358 | }
|
359 | );
|
360 | } else {
|
361 | callback();
|
362 | }
|
363 | });
|
364 | } else {
|
365 | callback();
|
366 | }
|
367 | },
|
368 | (err, result) => {
|
369 | if (err) return callback(err);
|
370 |
|
371 | if (!result) return callback(null, []);
|
372 |
|
373 | const flattenedResult = [];
|
374 |
|
375 | for (const item of result) {
|
376 | if (item) flattenedResult.push(...item);
|
377 | }
|
378 |
|
379 | callback(null, flattenedResult);
|
380 | }
|
381 | );
|
382 | });
|
383 | };
|
384 |
|
385 | if (typeof fs.realpath === "function") {
|
386 | addDirectoryChecked(resource, new Set(), callback);
|
387 | } else {
|
388 | const addSubDirectory = (dir, callback) =>
|
389 | addDirectory(dir, addSubDirectory, callback);
|
390 | addDirectory(resource, addSubDirectory, callback);
|
391 | }
|
392 | }
|
393 | };
|