/
Compilation.js
2302 lines (2088 loc) · 65.3 KB
/
Compilation.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const asyncLib = require("neo-async");
const util = require("util");
const { CachedSource } = require("webpack-sources");
const {
Tapable,
SyncHook,
SyncBailHook,
SyncWaterfallHook,
AsyncSeriesHook
} = require("tapable");
const EntryModuleNotFoundError = require("./EntryModuleNotFoundError");
const ModuleNotFoundError = require("./ModuleNotFoundError");
const ModuleDependencyWarning = require("./ModuleDependencyWarning");
const ModuleDependencyError = require("./ModuleDependencyError");
const ChunkGroup = require("./ChunkGroup");
const Chunk = require("./Chunk");
const Entrypoint = require("./Entrypoint");
const MainTemplate = require("./MainTemplate");
const ChunkTemplate = require("./ChunkTemplate");
const HotUpdateChunkTemplate = require("./HotUpdateChunkTemplate");
const ModuleTemplate = require("./ModuleTemplate");
const RuntimeTemplate = require("./RuntimeTemplate");
const ChunkRenderError = require("./ChunkRenderError");
const Stats = require("./Stats");
const Semaphore = require("./util/Semaphore");
const createHash = require("./util/createHash");
const SortableSet = require("./util/SortableSet");
const GraphHelpers = require("./GraphHelpers");
const ModuleDependency = require("./dependencies/ModuleDependency");
const compareLocations = require("./compareLocations");
const { Logger, LogType } = require("./logging/Logger");
const ErrorHelpers = require("./ErrorHelpers");
const buildChunkGraph = require("./buildChunkGraph");
/** @typedef {import("./Module")} Module */
/** @typedef {import("./Compiler")} Compiler */
/** @typedef {import("webpack-sources").Source} Source */
/** @typedef {import("./WebpackError")} WebpackError */
/** @typedef {import("./DependenciesBlockVariable")} DependenciesBlockVariable */
/** @typedef {import("./dependencies/SingleEntryDependency")} SingleEntryDependency */
/** @typedef {import("./dependencies/MultiEntryDependency")} MultiEntryDependency */
/** @typedef {import("./dependencies/DllEntryDependency")} DllEntryDependency */
/** @typedef {import("./dependencies/DependencyReference")} DependencyReference */
/** @typedef {import("./DependenciesBlock")} DependenciesBlock */
/** @typedef {import("./AsyncDependenciesBlock")} AsyncDependenciesBlock */
/** @typedef {import("./Dependency")} Dependency */
/** @typedef {import("./Dependency").DependencyLocation} DependencyLocation */
/** @typedef {import("./Dependency").DependencyTemplate} DependencyTemplate */
/** @typedef {import("./util/createHash").Hash} Hash */
// TODO use @callback
/** @typedef {{[assetName: string]: Source}} CompilationAssets */
/** @typedef {(err: Error|null, result?: Module) => void } ModuleCallback */
/** @typedef {(err?: Error|null, result?: Module) => void } ModuleChainCallback */
/** @typedef {(module: Module) => void} OnModuleCallback */
/** @typedef {(err?: Error|null) => void} Callback */
/** @typedef {(d: Dependency) => any} DepBlockVarDependenciesCallback */
/** @typedef {new (...args: any[]) => Dependency} DepConstructor */
/** @typedef {{apply: () => void}} Plugin */
/**
* @typedef {Object} ModuleFactoryCreateDataContextInfo
* @property {string} issuer
* @property {string} compiler
*/
/**
* @typedef {Object} ModuleFactoryCreateData
* @property {ModuleFactoryCreateDataContextInfo} contextInfo
* @property {any=} resolveOptions
* @property {string} context
* @property {Dependency[]} dependencies
*/
/**
* @typedef {Object} ModuleFactory
* @property {(data: ModuleFactoryCreateData, callback: ModuleCallback) => any} create
*/
/**
* @typedef {Object} SortedDependency
* @property {ModuleFactory} factory
* @property {Dependency[]} dependencies
*/
/**
* @typedef {Object} DependenciesBlockLike
* @property {Dependency[]} dependencies
* @property {AsyncDependenciesBlock[]} blocks
* @property {DependenciesBlockVariable[]} variables
*/
/**
* @typedef {Object} LogEntry
* @property {string} type
* @property {any[]} args
* @property {number} time
* @property {string[]=} trace
*/
/**
* @typedef {Object} AssetInfo
* @property {boolean=} immutable true, if the asset can be long term cached forever (contains a hash)
* @property {number=} size size in bytes, only set after asset has been emitted
* @property {boolean=} development true, when asset is only used for development and doesn't count towards user-facing assets
* @property {boolean=} hotModuleReplacement true, when asset ships data for updating an existing application (HMR)
*/
/**
* @typedef {Object} Asset
* @property {string} name the filename of the asset
* @property {Source} source source of the asset
* @property {AssetInfo} info info about the asset
*/
/**
* @param {Chunk} a first chunk to sort by id
* @param {Chunk} b second chunk to sort by id
* @returns {-1|0|1} sort value
*/
const byId = (a, b) => {
if (typeof a.id !== typeof b.id) {
return typeof a.id < typeof b.id ? -1 : 1;
}
if (a.id < b.id) return -1;
if (a.id > b.id) return 1;
return 0;
};
/**
* @param {Module} a first module to sort by
* @param {Module} b second module to sort by
* @returns {-1|0|1} sort value
*/
const byIdOrIdentifier = (a, b) => {
if (typeof a.id !== typeof b.id) {
return typeof a.id < typeof b.id ? -1 : 1;
}
if (a.id < b.id) return -1;
if (a.id > b.id) return 1;
const identA = a.identifier();
const identB = b.identifier();
if (identA < identB) return -1;
if (identA > identB) return 1;
return 0;
};
/**
* @param {Module} a first module to sort by
* @param {Module} b second module to sort by
* @returns {-1|0|1} sort value
*/
const byIndexOrIdentifier = (a, b) => {
if (a.index < b.index) return -1;
if (a.index > b.index) return 1;
const identA = a.identifier();
const identB = b.identifier();
if (identA < identB) return -1;
if (identA > identB) return 1;
return 0;
};
/**
* @param {Compilation} a first compilation to sort by
* @param {Compilation} b second compilation to sort by
* @returns {-1|0|1} sort value
*/
const byNameOrHash = (a, b) => {
if (a.name < b.name) return -1;
if (a.name > b.name) return 1;
if (a.fullHash < b.fullHash) return -1;
if (a.fullHash > b.fullHash) return 1;
return 0;
};
/**
* @param {DependenciesBlockVariable[]} variables DepBlock Variables to iterate over
* @param {DepBlockVarDependenciesCallback} fn callback to apply on iterated elements
* @returns {void}
*/
const iterationBlockVariable = (variables, fn) => {
for (
let indexVariable = 0;
indexVariable < variables.length;
indexVariable++
) {
const varDep = variables[indexVariable].dependencies;
for (let indexVDep = 0; indexVDep < varDep.length; indexVDep++) {
fn(varDep[indexVDep]);
}
}
};
/**
* @template T
* @param {T[]} arr array of elements to iterate over
* @param {function(T): void} fn callback applied to each element
* @returns {void}
*/
const iterationOfArrayCallback = (arr, fn) => {
for (let index = 0; index < arr.length; index++) {
fn(arr[index]);
}
};
/**
* @template T
* @param {Set<T>} set set to add items to
* @param {Set<T>} otherSet set to add items from
* @returns {void}
*/
const addAllToSet = (set, otherSet) => {
for (const item of otherSet) {
set.add(item);
}
};
class Compilation extends Tapable {
/**
* Creates an instance of Compilation.
* @param {Compiler} compiler the compiler which created the compilation
*/
constructor(compiler) {
super();
this.hooks = {
/** @type {SyncHook<Module>} */
buildModule: new SyncHook(["module"]),
/** @type {SyncHook<Module>} */
rebuildModule: new SyncHook(["module"]),
/** @type {SyncHook<Module, Error>} */
failedModule: new SyncHook(["module", "error"]),
/** @type {SyncHook<Module>} */
succeedModule: new SyncHook(["module"]),
/** @type {SyncHook<Dependency, string>} */
addEntry: new SyncHook(["entry", "name"]),
/** @type {SyncHook<Dependency, string, Error>} */
failedEntry: new SyncHook(["entry", "name", "error"]),
/** @type {SyncHook<Dependency, string, Module>} */
succeedEntry: new SyncHook(["entry", "name", "module"]),
/** @type {SyncWaterfallHook<DependencyReference, Dependency, Module>} */
dependencyReference: new SyncWaterfallHook([
"dependencyReference",
"dependency",
"module"
]),
/** @type {AsyncSeriesHook<Module[]>} */
finishModules: new AsyncSeriesHook(["modules"]),
/** @type {SyncHook<Module>} */
finishRebuildingModule: new SyncHook(["module"]),
/** @type {SyncHook} */
unseal: new SyncHook([]),
/** @type {SyncHook} */
seal: new SyncHook([]),
/** @type {SyncHook} */
beforeChunks: new SyncHook([]),
/** @type {SyncHook<Chunk[]>} */
afterChunks: new SyncHook(["chunks"]),
/** @type {SyncBailHook<Module[]>} */
optimizeDependenciesBasic: new SyncBailHook(["modules"]),
/** @type {SyncBailHook<Module[]>} */
optimizeDependencies: new SyncBailHook(["modules"]),
/** @type {SyncBailHook<Module[]>} */
optimizeDependenciesAdvanced: new SyncBailHook(["modules"]),
/** @type {SyncBailHook<Module[]>} */
afterOptimizeDependencies: new SyncHook(["modules"]),
/** @type {SyncHook} */
optimize: new SyncHook([]),
/** @type {SyncBailHook<Module[]>} */
optimizeModulesBasic: new SyncBailHook(["modules"]),
/** @type {SyncBailHook<Module[]>} */
optimizeModules: new SyncBailHook(["modules"]),
/** @type {SyncBailHook<Module[]>} */
optimizeModulesAdvanced: new SyncBailHook(["modules"]),
/** @type {SyncHook<Module[]>} */
afterOptimizeModules: new SyncHook(["modules"]),
/** @type {SyncBailHook<Chunk[], ChunkGroup[]>} */
optimizeChunksBasic: new SyncBailHook(["chunks", "chunkGroups"]),
/** @type {SyncBailHook<Chunk[], ChunkGroup[]>} */
optimizeChunks: new SyncBailHook(["chunks", "chunkGroups"]),
/** @type {SyncBailHook<Chunk[], ChunkGroup[]>} */
optimizeChunksAdvanced: new SyncBailHook(["chunks", "chunkGroups"]),
/** @type {SyncHook<Chunk[], ChunkGroup[]>} */
afterOptimizeChunks: new SyncHook(["chunks", "chunkGroups"]),
/** @type {AsyncSeriesHook<Chunk[], Module[]>} */
optimizeTree: new AsyncSeriesHook(["chunks", "modules"]),
/** @type {SyncHook<Chunk[], Module[]>} */
afterOptimizeTree: new SyncHook(["chunks", "modules"]),
/** @type {SyncBailHook<Chunk[], Module[]>} */
optimizeChunkModulesBasic: new SyncBailHook(["chunks", "modules"]),
/** @type {SyncBailHook<Chunk[], Module[]>} */
optimizeChunkModules: new SyncBailHook(["chunks", "modules"]),
/** @type {SyncBailHook<Chunk[], Module[]>} */
optimizeChunkModulesAdvanced: new SyncBailHook(["chunks", "modules"]),
/** @type {SyncHook<Chunk[], Module[]>} */
afterOptimizeChunkModules: new SyncHook(["chunks", "modules"]),
/** @type {SyncBailHook} */
shouldRecord: new SyncBailHook([]),
/** @type {SyncHook<Module[], any>} */
reviveModules: new SyncHook(["modules", "records"]),
/** @type {SyncHook<Module[]>} */
optimizeModuleOrder: new SyncHook(["modules"]),
/** @type {SyncHook<Module[]>} */
advancedOptimizeModuleOrder: new SyncHook(["modules"]),
/** @type {SyncHook<Module[]>} */
beforeModuleIds: new SyncHook(["modules"]),
/** @type {SyncHook<Module[]>} */
moduleIds: new SyncHook(["modules"]),
/** @type {SyncHook<Module[]>} */
optimizeModuleIds: new SyncHook(["modules"]),
/** @type {SyncHook<Module[]>} */
afterOptimizeModuleIds: new SyncHook(["modules"]),
/** @type {SyncHook<Chunk[], any>} */
reviveChunks: new SyncHook(["chunks", "records"]),
/** @type {SyncHook<Chunk[]>} */
optimizeChunkOrder: new SyncHook(["chunks"]),
/** @type {SyncHook<Chunk[]>} */
beforeChunkIds: new SyncHook(["chunks"]),
/** @type {SyncHook<Chunk[]>} */
optimizeChunkIds: new SyncHook(["chunks"]),
/** @type {SyncHook<Chunk[]>} */
afterOptimizeChunkIds: new SyncHook(["chunks"]),
/** @type {SyncHook<Module[], any>} */
recordModules: new SyncHook(["modules", "records"]),
/** @type {SyncHook<Chunk[], any>} */
recordChunks: new SyncHook(["chunks", "records"]),
/** @type {SyncHook} */
beforeHash: new SyncHook([]),
/** @type {SyncHook<Chunk>} */
contentHash: new SyncHook(["chunk"]),
/** @type {SyncHook} */
afterHash: new SyncHook([]),
/** @type {SyncHook<any>} */
recordHash: new SyncHook(["records"]),
/** @type {SyncHook<Compilation, any>} */
record: new SyncHook(["compilation", "records"]),
/** @type {SyncHook} */
beforeModuleAssets: new SyncHook([]),
/** @type {SyncBailHook} */
shouldGenerateChunkAssets: new SyncBailHook([]),
/** @type {SyncHook} */
beforeChunkAssets: new SyncHook([]),
/** @type {SyncHook<Chunk[]>} */
additionalChunkAssets: new SyncHook(["chunks"]),
/** @type {AsyncSeriesHook} */
additionalAssets: new AsyncSeriesHook([]),
/** @type {AsyncSeriesHook<Chunk[]>} */
optimizeChunkAssets: new AsyncSeriesHook(["chunks"]),
/** @type {SyncHook<Chunk[]>} */
afterOptimizeChunkAssets: new SyncHook(["chunks"]),
/** @type {AsyncSeriesHook<CompilationAssets>} */
optimizeAssets: new AsyncSeriesHook(["assets"]),
/** @type {SyncHook<CompilationAssets>} */
afterOptimizeAssets: new SyncHook(["assets"]),
/** @type {SyncBailHook} */
needAdditionalSeal: new SyncBailHook([]),
/** @type {AsyncSeriesHook} */
afterSeal: new AsyncSeriesHook([]),
/** @type {SyncHook<Chunk, Hash>} */
chunkHash: new SyncHook(["chunk", "chunkHash"]),
/** @type {SyncHook<Module, string>} */
moduleAsset: new SyncHook(["module", "filename"]),
/** @type {SyncHook<Chunk, string>} */
chunkAsset: new SyncHook(["chunk", "filename"]),
/** @type {SyncWaterfallHook<string, TODO>} */
assetPath: new SyncWaterfallHook(["filename", "data"]), // TODO MainTemplate
/** @type {SyncBailHook} */
needAdditionalPass: new SyncBailHook([]),
/** @type {SyncHook<Compiler, string, number>} */
childCompiler: new SyncHook([
"childCompiler",
"compilerName",
"compilerIndex"
]),
/** @type {SyncBailHook<string, LogEntry>} */
log: new SyncBailHook(["origin", "logEntry"]),
// TODO the following hooks are weirdly located here
// TODO move them for webpack 5
/** @type {SyncHook<object, Module>} */
normalModuleLoader: new SyncHook(["loaderContext", "module"]),
/** @type {SyncBailHook<Chunk[]>} */
optimizeExtractedChunksBasic: new SyncBailHook(["chunks"]),
/** @type {SyncBailHook<Chunk[]>} */
optimizeExtractedChunks: new SyncBailHook(["chunks"]),
/** @type {SyncBailHook<Chunk[]>} */
optimizeExtractedChunksAdvanced: new SyncBailHook(["chunks"]),
/** @type {SyncHook<Chunk[]>} */
afterOptimizeExtractedChunks: new SyncHook(["chunks"])
};
this._pluginCompat.tap("Compilation", options => {
switch (options.name) {
case "optimize-tree":
case "additional-assets":
case "optimize-chunk-assets":
case "optimize-assets":
case "after-seal":
options.async = true;
break;
}
});
/** @type {string=} */
this.name = undefined;
/** @type {Compiler} */
this.compiler = compiler;
this.resolverFactory = compiler.resolverFactory;
this.inputFileSystem = compiler.inputFileSystem;
this.requestShortener = compiler.requestShortener;
const options = compiler.options;
this.options = options;
this.outputOptions = options && options.output;
/** @type {boolean=} */
this.bail = options && options.bail;
this.profile = options && options.profile;
this.performance = options && options.performance;
this.mainTemplate = new MainTemplate(this.outputOptions);
this.chunkTemplate = new ChunkTemplate(this.outputOptions);
this.hotUpdateChunkTemplate = new HotUpdateChunkTemplate(
this.outputOptions
);
this.runtimeTemplate = new RuntimeTemplate(
this.outputOptions,
this.requestShortener
);
this.moduleTemplates = {
javascript: new ModuleTemplate(this.runtimeTemplate, "javascript"),
webassembly: new ModuleTemplate(this.runtimeTemplate, "webassembly")
};
this.semaphore = new Semaphore(options.parallelism || 100);
this.entries = [];
/** @private @type {{name: string, request: string, module: Module}[]} */
this._preparedEntrypoints = [];
/** @type {Map<string, Entrypoint>} */
this.entrypoints = new Map();
/** @type {Chunk[]} */
this.chunks = [];
/** @type {ChunkGroup[]} */
this.chunkGroups = [];
/** @type {Map<string, ChunkGroup>} */
this.namedChunkGroups = new Map();
/** @type {Map<string, Chunk>} */
this.namedChunks = new Map();
/** @type {Module[]} */
this.modules = [];
/** @private @type {Map<string, Module>} */
this._modules = new Map();
this.cache = null;
this.records = null;
/** @type {string[]} */
this.additionalChunkAssets = [];
/** @type {CompilationAssets} */
this.assets = {};
/** @type {Map<string, AssetInfo>} */
this.assetsInfo = new Map();
/** @type {WebpackError[]} */
this.errors = [];
/** @type {WebpackError[]} */
this.warnings = [];
/** @type {Compilation[]} */
this.children = [];
/** @type {Map<string, LogEntry[]>} */
this.logging = new Map();
/** @type {Map<DepConstructor, ModuleFactory>} */
this.dependencyFactories = new Map();
/** @type {Map<DepConstructor, DependencyTemplate>} */
this.dependencyTemplates = new Map();
// TODO refactor this in webpack 5 to a custom DependencyTemplates class with a hash property
// @ts-ignore
this.dependencyTemplates.set("hash", "");
this.childrenCounters = {};
/** @type {Set<number|string>} */
this.usedChunkIds = null;
/** @type {Set<number>} */
this.usedModuleIds = null;
/** @type {Map<string, number>=} */
this.fileTimestamps = undefined;
/** @type {Map<string, number>=} */
this.contextTimestamps = undefined;
/** @type {Set<string>=} */
this.compilationDependencies = undefined;
/** @private @type {Map<Module, Callback[]>} */
this._buildingModules = new Map();
/** @private @type {Map<Module, Callback[]>} */
this._rebuildingModules = new Map();
/** @type {Set<string>} */
this.emittedAssets = new Set();
}
getStats() {
return new Stats(this);
}
/**
* @param {string | (function(): string)} name name of the logger, or function called once to get the logger name
* @returns {Logger} a logger with that name
*/
getLogger(name) {
if (!name) {
throw new TypeError("Compilation.getLogger(name) called without a name");
}
/** @type {LogEntry[] | undefined} */
let logEntries;
return new Logger((type, args) => {
if (typeof name === "function") {
name = name();
if (!name) {
throw new TypeError(
"Compilation.getLogger(name) called with a function not returning a name"
);
}
}
let trace;
switch (type) {
case LogType.warn:
case LogType.error:
case LogType.trace:
trace = ErrorHelpers.cutOffLoaderExecution(new Error("Trace").stack)
.split("\n")
.slice(3);
break;
}
/** @type {LogEntry} */
const logEntry = {
time: Date.now(),
type,
args,
trace
};
if (this.hooks.log.call(name, logEntry) === undefined) {
if (logEntry.type === LogType.profileEnd) {
// eslint-disable-next-line node/no-unsupported-features/node-builtins
if (typeof console.profileEnd === "function") {
// eslint-disable-next-line node/no-unsupported-features/node-builtins
console.profileEnd(`[${name}] ${logEntry.args[0]}`);
}
}
if (logEntries === undefined) {
logEntries = this.logging.get(name);
if (logEntries === undefined) {
logEntries = [];
this.logging.set(name, logEntries);
}
}
logEntries.push(logEntry);
if (logEntry.type === LogType.profile) {
// eslint-disable-next-line node/no-unsupported-features/node-builtins
if (typeof console.profile === "function") {
// eslint-disable-next-line node/no-unsupported-features/node-builtins
console.profile(`[${name}] ${logEntry.args[0]}`);
}
}
}
});
}
/**
* @typedef {Object} AddModuleResult
* @property {Module} module the added or existing module
* @property {boolean} issuer was this the first request for this module
* @property {boolean} build should the module be build
* @property {boolean} dependencies should dependencies be walked
*/
/**
* @param {Module} module module to be added that was created
* @param {any=} cacheGroup cacheGroup it is apart of
* @returns {AddModuleResult} returns meta about whether or not the module had built
* had an issuer, or any dependnecies
*/
addModule(module, cacheGroup) {
const identifier = module.identifier();
const alreadyAddedModule = this._modules.get(identifier);
if (alreadyAddedModule) {
return {
module: alreadyAddedModule,
issuer: false,
build: false,
dependencies: false
};
}
const cacheName = (cacheGroup || "m") + identifier;
if (this.cache && this.cache[cacheName]) {
const cacheModule = this.cache[cacheName];
if (typeof cacheModule.updateCacheModule === "function") {
cacheModule.updateCacheModule(module);
}
let rebuild = true;
if (this.fileTimestamps && this.contextTimestamps) {
rebuild = cacheModule.needRebuild(
this.fileTimestamps,
this.contextTimestamps
);
}
if (!rebuild) {
cacheModule.disconnect();
this._modules.set(identifier, cacheModule);
this.modules.push(cacheModule);
for (const err of cacheModule.errors) {
this.errors.push(err);
}
for (const err of cacheModule.warnings) {
this.warnings.push(err);
}
return {
module: cacheModule,
issuer: true,
build: false,
dependencies: true
};
}
cacheModule.unbuild();
module = cacheModule;
}
this._modules.set(identifier, module);
if (this.cache) {
this.cache[cacheName] = module;
}
this.modules.push(module);
return {
module: module,
issuer: true,
build: true,
dependencies: true
};
}
/**
* Fetches a module from a compilation by its identifier
* @param {Module} module the module provided
* @returns {Module} the module requested
*/
getModule(module) {
const identifier = module.identifier();
return this._modules.get(identifier);
}
/**
* Attempts to search for a module by its identifier
* @param {string} identifier identifier (usually path) for module
* @returns {Module|undefined} attempt to search for module and return it, else undefined
*/
findModule(identifier) {
return this._modules.get(identifier);
}
/**
* @param {Module} module module with its callback list
* @param {Callback} callback the callback function
* @returns {void}
*/
waitForBuildingFinished(module, callback) {
let callbackList = this._buildingModules.get(module);
if (callbackList) {
callbackList.push(() => callback());
} else {
process.nextTick(callback);
}
}
/**
* Builds the module object
*
* @param {Module} module module to be built
* @param {boolean} optional optional flag
* @param {Module=} origin origin module this module build was requested from
* @param {Dependency[]=} dependencies optional dependencies from the module to be built
* @param {TODO} thisCallback the callback
* @returns {TODO} returns the callback function with results
*/
buildModule(module, optional, origin, dependencies, thisCallback) {
let callbackList = this._buildingModules.get(module);
if (callbackList) {
callbackList.push(thisCallback);
return;
}
this._buildingModules.set(module, (callbackList = [thisCallback]));
const callback = err => {
this._buildingModules.delete(module);
for (const cb of callbackList) {
cb(err);
}
};
this.hooks.buildModule.call(module);
module.build(
this.options,
this,
this.resolverFactory.get("normal", module.resolveOptions),
this.inputFileSystem,
error => {
const errors = module.errors;
for (let indexError = 0; indexError < errors.length; indexError++) {
const err = errors[indexError];
err.origin = origin;
err.dependencies = dependencies;
if (optional) {
this.warnings.push(err);
} else {
this.errors.push(err);
}
}
const warnings = module.warnings;
for (
let indexWarning = 0;
indexWarning < warnings.length;
indexWarning++
) {
const war = warnings[indexWarning];
war.origin = origin;
war.dependencies = dependencies;
this.warnings.push(war);
}
const originalMap = module.dependencies.reduce((map, v, i) => {
map.set(v, i);
return map;
}, new Map());
module.dependencies.sort((a, b) => {
const cmp = compareLocations(a.loc, b.loc);
if (cmp) return cmp;
return originalMap.get(a) - originalMap.get(b);
});
if (error) {
this.hooks.failedModule.call(module, error);
return callback(error);
}
this.hooks.succeedModule.call(module);
return callback();
}
);
}
/**
* @param {Module} module to be processed for deps
* @param {ModuleCallback} callback callback to be triggered
* @returns {void}
*/
processModuleDependencies(module, callback) {
const dependencies = new Map();
const addDependency = dep => {
const resourceIdent = dep.getResourceIdentifier();
if (resourceIdent) {
const factory = this.dependencyFactories.get(dep.constructor);
if (factory === undefined) {
throw new Error(
`No module factory available for dependency type: ${dep.constructor.name}`
);
}
let innerMap = dependencies.get(factory);
if (innerMap === undefined) {
dependencies.set(factory, (innerMap = new Map()));
}
let list = innerMap.get(resourceIdent);
if (list === undefined) innerMap.set(resourceIdent, (list = []));
list.push(dep);
}
};
const addDependenciesBlock = block => {
if (block.dependencies) {
iterationOfArrayCallback(block.dependencies, addDependency);
}
if (block.blocks) {
iterationOfArrayCallback(block.blocks, addDependenciesBlock);
}
if (block.variables) {
iterationBlockVariable(block.variables, addDependency);
}
};
try {
addDependenciesBlock(module);
} catch (e) {
callback(e);
}
const sortedDependencies = [];
for (const pair1 of dependencies) {
for (const pair2 of pair1[1]) {
sortedDependencies.push({
factory: pair1[0],
dependencies: pair2[1]
});
}
}
this.addModuleDependencies(
module,
sortedDependencies,
this.bail,
null,
true,
callback
);
}
/**
* @param {Module} module module to add deps to
* @param {SortedDependency[]} dependencies set of sorted dependencies to iterate through
* @param {(boolean|null)=} bail whether to bail or not
* @param {TODO} cacheGroup optional cacheGroup
* @param {boolean} recursive whether it is recursive traversal
* @param {function} callback callback for when dependencies are finished being added
* @returns {void}
*/
addModuleDependencies(
module,
dependencies,
bail,
cacheGroup,
recursive,
callback
) {
const start = this.profile && Date.now();
const currentProfile = this.profile && {};
asyncLib.forEach(
dependencies,
(item, callback) => {
const dependencies = item.dependencies;
const errorAndCallback = err => {
err.origin = module;
err.dependencies = dependencies;
this.errors.push(err);
if (bail) {
callback(err);
} else {
callback();
}
};
const warningAndCallback = err => {
err.origin = module;
this.warnings.push(err);
callback();
};
const semaphore = this.semaphore;
semaphore.acquire(() => {
const factory = item.factory;
factory.create(
{
contextInfo: {
issuer: module.nameForCondition && module.nameForCondition(),
compiler: this.compiler.name
},
resolveOptions: module.resolveOptions,
context: module.context,
dependencies: dependencies
},
(err, dependentModule) => {
let afterFactory;
const isOptional = () => {
return dependencies.every(d => d.optional);
};
const errorOrWarningAndCallback = err => {
if (isOptional()) {
return warningAndCallback(err);
} else {
return errorAndCallback(err);
}
};
if (err) {
semaphore.release();
return errorOrWarningAndCallback(
new ModuleNotFoundError(module, err)
);
}
if (!dependentModule) {
semaphore.release();
return process.nextTick(callback);
}
if (currentProfile) {
afterFactory = Date.now();
currentProfile.factory = afterFactory - start;
}
const iterationDependencies = depend => {
for (let index = 0; index < depend.length; index++) {
const dep = depend[index];
dep.module = dependentModule;
dependentModule.addReason(module, dep);
}
};
const addModuleResult = this.addModule(
dependentModule,
cacheGroup
);
dependentModule = addModuleResult.module;
iterationDependencies(dependencies);
const afterBuild = () => {
if (recursive && addModuleResult.dependencies) {
this.processModuleDependencies(dependentModule, callback);
} else {
return callback();
}
};
if (addModuleResult.issuer) {
if (currentProfile) {
dependentModule.profile = currentProfile;
}
dependentModule.issuer = module;
} else {
if (this.profile) {
if (module.profile) {
const time = Date.now() - start;
if (
!module.profile.dependencies ||
time > module.profile.dependencies
) {
module.profile.dependencies = time;
}
}
}
}
if (addModuleResult.build) {
this.buildModule(
dependentModule,
isOptional(),
module,
dependencies,
err => {
if (err) {
semaphore.release();
return errorOrWarningAndCallback(err);
}
if (currentProfile) {
const afterBuilding = Date.now();
currentProfile.building = afterBuilding - afterFactory;
}
semaphore.release();
afterBuild();
}
);
} else {
semaphore.release();
this.waitForBuildingFinished(dependentModule, afterBuild);
}
}
);
});
},
err => {
// In V8, the Error objects keep a reference to the functions on the stack. These warnings &
// errors are created inside closures that keep a reference to the Compilation, so errors are
// leaking the Compilation object.
if (err) {
// eslint-disable-next-line no-self-assign
err.stack = err.stack;
return callback(err);
}