source: frontend/node_modules/tsutils/util/usage.js@ cdcff72

Last change on this file since cdcff72 was 9af201e, checked in by MBK <marija.karapandzova@…>, 12 days ago

Fix frontend appearance
  • Property mode set to 100644
File size: 27.0 KB
Line 
1"use strict";
2Object.defineProperty(exports, "__esModule", { value: true });
3exports.collectVariableUsage = exports.getDeclarationDomain = exports.getUsageDomain = exports.UsageDomain = exports.DeclarationDomain = void 0;
4const util_1 = require("./util");
5const ts = require("typescript");
6var DeclarationDomain;
7(function (DeclarationDomain) {
8 DeclarationDomain[DeclarationDomain["Namespace"] = 1] = "Namespace";
9 DeclarationDomain[DeclarationDomain["Type"] = 2] = "Type";
10 DeclarationDomain[DeclarationDomain["Value"] = 4] = "Value";
11 DeclarationDomain[DeclarationDomain["Import"] = 8] = "Import";
12 DeclarationDomain[DeclarationDomain["Any"] = 7] = "Any";
13})(DeclarationDomain = exports.DeclarationDomain || (exports.DeclarationDomain = {}));
14var UsageDomain;
15(function (UsageDomain) {
16 UsageDomain[UsageDomain["Namespace"] = 1] = "Namespace";
17 UsageDomain[UsageDomain["Type"] = 2] = "Type";
18 UsageDomain[UsageDomain["Value"] = 4] = "Value";
19 UsageDomain[UsageDomain["ValueOrNamespace"] = 5] = "ValueOrNamespace";
20 UsageDomain[UsageDomain["Any"] = 7] = "Any";
21 UsageDomain[UsageDomain["TypeQuery"] = 8] = "TypeQuery";
22})(UsageDomain = exports.UsageDomain || (exports.UsageDomain = {}));
23// TODO handle cases where values are used only for their types, e.g. `declare [propSymbol]: number`
24function getUsageDomain(node) {
25 const parent = node.parent;
26 switch (parent.kind) {
27 case ts.SyntaxKind.TypeReference:
28 return node.originalKeywordKind !== ts.SyntaxKind.ConstKeyword ? 2 /* Type */ : undefined;
29 case ts.SyntaxKind.ExpressionWithTypeArguments:
30 return parent.parent.token === ts.SyntaxKind.ImplementsKeyword ||
31 parent.parent.parent.kind === ts.SyntaxKind.InterfaceDeclaration
32 ? 2 /* Type */
33 : 4 /* Value */;
34 case ts.SyntaxKind.TypeQuery:
35 return 5 /* ValueOrNamespace */ | 8 /* TypeQuery */;
36 case ts.SyntaxKind.QualifiedName:
37 if (parent.left === node) {
38 if (getEntityNameParent(parent).kind === ts.SyntaxKind.TypeQuery)
39 return 1 /* Namespace */ | 8 /* TypeQuery */;
40 return 1 /* Namespace */;
41 }
42 break;
43 case ts.SyntaxKind.ExportSpecifier:
44 // either {name} or {propertyName as name}
45 if (parent.propertyName === undefined ||
46 parent.propertyName === node)
47 return 7 /* Any */; // TODO handle type-only exports
48 break;
49 case ts.SyntaxKind.ExportAssignment:
50 return 7 /* Any */;
51 // Value
52 case ts.SyntaxKind.BindingElement:
53 if (parent.initializer === node)
54 return 5 /* ValueOrNamespace */;
55 break;
56 case ts.SyntaxKind.Parameter:
57 case ts.SyntaxKind.EnumMember:
58 case ts.SyntaxKind.PropertyDeclaration:
59 case ts.SyntaxKind.VariableDeclaration:
60 case ts.SyntaxKind.PropertyAssignment:
61 case ts.SyntaxKind.PropertyAccessExpression:
62 case ts.SyntaxKind.ImportEqualsDeclaration:
63 if (parent.name !== node)
64 return 5 /* ValueOrNamespace */; // TODO handle type-only imports
65 break;
66 case ts.SyntaxKind.JsxAttribute:
67 case ts.SyntaxKind.FunctionDeclaration:
68 case ts.SyntaxKind.FunctionExpression:
69 case ts.SyntaxKind.NamespaceImport:
70 case ts.SyntaxKind.ClassDeclaration:
71 case ts.SyntaxKind.ClassExpression:
72 case ts.SyntaxKind.ModuleDeclaration:
73 case ts.SyntaxKind.MethodDeclaration:
74 case ts.SyntaxKind.EnumDeclaration:
75 case ts.SyntaxKind.GetAccessor:
76 case ts.SyntaxKind.SetAccessor:
77 case ts.SyntaxKind.LabeledStatement:
78 case ts.SyntaxKind.BreakStatement:
79 case ts.SyntaxKind.ContinueStatement:
80 case ts.SyntaxKind.ImportClause:
81 case ts.SyntaxKind.ImportSpecifier:
82 case ts.SyntaxKind.TypePredicate: // TODO this actually references a parameter
83 case ts.SyntaxKind.MethodSignature:
84 case ts.SyntaxKind.PropertySignature:
85 case ts.SyntaxKind.NamespaceExportDeclaration:
86 case ts.SyntaxKind.NamespaceExport:
87 case ts.SyntaxKind.InterfaceDeclaration:
88 case ts.SyntaxKind.TypeAliasDeclaration:
89 case ts.SyntaxKind.TypeParameter:
90 case ts.SyntaxKind.NamedTupleMember:
91 break;
92 default:
93 return 5 /* ValueOrNamespace */;
94 }
95}
96exports.getUsageDomain = getUsageDomain;
97function getDeclarationDomain(node) {
98 switch (node.parent.kind) {
99 case ts.SyntaxKind.TypeParameter:
100 case ts.SyntaxKind.InterfaceDeclaration:
101 case ts.SyntaxKind.TypeAliasDeclaration:
102 return 2 /* Type */;
103 case ts.SyntaxKind.ClassDeclaration:
104 case ts.SyntaxKind.ClassExpression:
105 return 2 /* Type */ | 4 /* Value */;
106 case ts.SyntaxKind.EnumDeclaration:
107 return 7 /* Any */;
108 case ts.SyntaxKind.NamespaceImport:
109 case ts.SyntaxKind.ImportClause:
110 return 7 /* Any */ | 8 /* Import */; // TODO handle type-only imports
111 case ts.SyntaxKind.ImportEqualsDeclaration:
112 case ts.SyntaxKind.ImportSpecifier:
113 return node.parent.name === node
114 ? 7 /* Any */ | 8 /* Import */ // TODO handle type-only imports
115 : undefined;
116 case ts.SyntaxKind.ModuleDeclaration:
117 return 1 /* Namespace */;
118 case ts.SyntaxKind.Parameter:
119 if (node.parent.parent.kind === ts.SyntaxKind.IndexSignature || node.originalKeywordKind === ts.SyntaxKind.ThisKeyword)
120 return;
121 // falls through
122 case ts.SyntaxKind.BindingElement:
123 case ts.SyntaxKind.VariableDeclaration:
124 return node.parent.name === node ? 4 /* Value */ : undefined;
125 case ts.SyntaxKind.FunctionDeclaration:
126 case ts.SyntaxKind.FunctionExpression:
127 return 4 /* Value */;
128 }
129}
130exports.getDeclarationDomain = getDeclarationDomain;
131function collectVariableUsage(sourceFile) {
132 return new UsageWalker().getUsage(sourceFile);
133}
134exports.collectVariableUsage = collectVariableUsage;
135class AbstractScope {
136 constructor(_global) {
137 this._global = _global;
138 this._variables = new Map();
139 this._uses = [];
140 this._namespaceScopes = undefined;
141 this._enumScopes = undefined;
142 }
143 addVariable(identifier, name, selector, exported, domain) {
144 const variables = this.getDestinationScope(selector).getVariables();
145 const declaration = {
146 domain,
147 exported,
148 declaration: name,
149 };
150 const variable = variables.get(identifier);
151 if (variable === undefined) {
152 variables.set(identifier, {
153 domain,
154 declarations: [declaration],
155 uses: [],
156 });
157 }
158 else {
159 variable.domain |= domain;
160 variable.declarations.push(declaration);
161 }
162 }
163 addUse(use) {
164 this._uses.push(use);
165 }
166 getVariables() {
167 return this._variables;
168 }
169 getFunctionScope() {
170 return this;
171 }
172 end(cb) {
173 if (this._namespaceScopes !== undefined)
174 this._namespaceScopes.forEach((value) => value.finish(cb));
175 this._namespaceScopes = this._enumScopes = undefined;
176 this._applyUses();
177 this._variables.forEach((variable) => {
178 for (const declaration of variable.declarations) {
179 const result = {
180 declarations: [],
181 domain: declaration.domain,
182 exported: declaration.exported,
183 inGlobalScope: this._global,
184 uses: [],
185 };
186 for (const other of variable.declarations)
187 if (other.domain & declaration.domain)
188 result.declarations.push(other.declaration);
189 for (const use of variable.uses)
190 if (use.domain & declaration.domain)
191 result.uses.push(use);
192 cb(result, declaration.declaration, this);
193 }
194 });
195 }
196 // tslint:disable-next-line:prefer-function-over-method
197 markExported(_name) { } // only relevant for the root scope
198 createOrReuseNamespaceScope(name, _exported, ambient, hasExportStatement) {
199 let scope;
200 if (this._namespaceScopes === undefined) {
201 this._namespaceScopes = new Map();
202 }
203 else {
204 scope = this._namespaceScopes.get(name);
205 }
206 if (scope === undefined) {
207 scope = new NamespaceScope(ambient, hasExportStatement, this);
208 this._namespaceScopes.set(name, scope);
209 }
210 else {
211 scope.refresh(ambient, hasExportStatement);
212 }
213 return scope;
214 }
215 createOrReuseEnumScope(name, _exported) {
216 let scope;
217 if (this._enumScopes === undefined) {
218 this._enumScopes = new Map();
219 }
220 else {
221 scope = this._enumScopes.get(name);
222 }
223 if (scope === undefined) {
224 scope = new EnumScope(this);
225 this._enumScopes.set(name, scope);
226 }
227 return scope;
228 }
229 _applyUses() {
230 for (const use of this._uses)
231 if (!this._applyUse(use))
232 this._addUseToParent(use);
233 this._uses = [];
234 }
235 _applyUse(use, variables = this._variables) {
236 const variable = variables.get(use.location.text);
237 if (variable === undefined || (variable.domain & use.domain) === 0)
238 return false;
239 variable.uses.push(use);
240 return true;
241 }
242 _addUseToParent(_use) { } // tslint:disable-line:prefer-function-over-method
243}
244class RootScope extends AbstractScope {
245 constructor(_exportAll, global) {
246 super(global);
247 this._exportAll = _exportAll;
248 this._exports = undefined;
249 this._innerScope = new NonRootScope(this, 1 /* Function */);
250 }
251 addVariable(identifier, name, selector, exported, domain) {
252 if (domain & 8 /* Import */)
253 return super.addVariable(identifier, name, selector, exported, domain);
254 return this._innerScope.addVariable(identifier, name, selector, exported, domain);
255 }
256 addUse(use, origin) {
257 if (origin === this._innerScope)
258 return super.addUse(use);
259 return this._innerScope.addUse(use);
260 }
261 markExported(id) {
262 if (this._exports === undefined) {
263 this._exports = [id.text];
264 }
265 else {
266 this._exports.push(id.text);
267 }
268 }
269 end(cb) {
270 this._innerScope.end((value, key) => {
271 value.exported = value.exported || this._exportAll
272 || this._exports !== undefined && this._exports.includes(key.text);
273 value.inGlobalScope = this._global;
274 return cb(value, key, this);
275 });
276 return super.end((value, key, scope) => {
277 value.exported = value.exported || scope === this
278 && this._exports !== undefined && this._exports.includes(key.text);
279 return cb(value, key, scope);
280 });
281 }
282 getDestinationScope() {
283 return this;
284 }
285}
286class NonRootScope extends AbstractScope {
287 constructor(_parent, _boundary) {
288 super(false);
289 this._parent = _parent;
290 this._boundary = _boundary;
291 }
292 _addUseToParent(use) {
293 return this._parent.addUse(use, this);
294 }
295 getDestinationScope(selector) {
296 return this._boundary & selector
297 ? this
298 : this._parent.getDestinationScope(selector);
299 }
300}
301class EnumScope extends NonRootScope {
302 constructor(parent) {
303 super(parent, 1 /* Function */);
304 }
305 end() {
306 this._applyUses();
307 }
308}
309class ConditionalTypeScope extends NonRootScope {
310 constructor(parent) {
311 super(parent, 8 /* ConditionalType */);
312 this._state = 0 /* Initial */;
313 }
314 updateState(newState) {
315 this._state = newState;
316 }
317 addUse(use) {
318 if (this._state === 2 /* TrueType */)
319 return void this._uses.push(use);
320 return this._parent.addUse(use, this);
321 }
322}
323class FunctionScope extends NonRootScope {
324 constructor(parent) {
325 super(parent, 1 /* Function */);
326 }
327 beginBody() {
328 this._applyUses();
329 }
330}
331class AbstractNamedExpressionScope extends NonRootScope {
332 constructor(_name, _domain, parent) {
333 super(parent, 1 /* Function */);
334 this._name = _name;
335 this._domain = _domain;
336 }
337 end(cb) {
338 this._innerScope.end(cb);
339 return cb({
340 declarations: [this._name],
341 domain: this._domain,
342 exported: false,
343 uses: this._uses,
344 inGlobalScope: false,
345 }, this._name, this);
346 }
347 addUse(use, source) {
348 if (source !== this._innerScope)
349 return this._innerScope.addUse(use);
350 if (use.domain & this._domain && use.location.text === this._name.text) {
351 this._uses.push(use);
352 }
353 else {
354 return this._parent.addUse(use, this);
355 }
356 }
357 getFunctionScope() {
358 return this._innerScope;
359 }
360 getDestinationScope() {
361 return this._innerScope;
362 }
363}
364class FunctionExpressionScope extends AbstractNamedExpressionScope {
365 constructor(name, parent) {
366 super(name, 4 /* Value */, parent);
367 this._innerScope = new FunctionScope(this);
368 }
369 beginBody() {
370 return this._innerScope.beginBody();
371 }
372}
373class ClassExpressionScope extends AbstractNamedExpressionScope {
374 constructor(name, parent) {
375 super(name, 4 /* Value */ | 2 /* Type */, parent);
376 this._innerScope = new NonRootScope(this, 1 /* Function */);
377 }
378}
379class BlockScope extends NonRootScope {
380 constructor(_functionScope, parent) {
381 super(parent, 2 /* Block */);
382 this._functionScope = _functionScope;
383 }
384 getFunctionScope() {
385 return this._functionScope;
386 }
387}
388function mapDeclaration(declaration) {
389 return {
390 declaration,
391 exported: true,
392 domain: getDeclarationDomain(declaration),
393 };
394}
395class NamespaceScope extends NonRootScope {
396 constructor(_ambient, _hasExport, parent) {
397 super(parent, 1 /* Function */);
398 this._ambient = _ambient;
399 this._hasExport = _hasExport;
400 this._innerScope = new NonRootScope(this, 1 /* Function */);
401 this._exports = undefined;
402 }
403 finish(cb) {
404 return super.end(cb);
405 }
406 end(cb) {
407 this._innerScope.end((variable, key, scope) => {
408 if (scope !== this._innerScope ||
409 !variable.exported && (!this._ambient || this._exports !== undefined && !this._exports.has(key.text)))
410 return cb(variable, key, scope);
411 const namespaceVar = this._variables.get(key.text);
412 if (namespaceVar === undefined) {
413 this._variables.set(key.text, {
414 declarations: variable.declarations.map(mapDeclaration),
415 domain: variable.domain,
416 uses: [...variable.uses],
417 });
418 }
419 else {
420 outer: for (const declaration of variable.declarations) {
421 for (const existing of namespaceVar.declarations)
422 if (existing.declaration === declaration)
423 continue outer;
424 namespaceVar.declarations.push(mapDeclaration(declaration));
425 }
426 namespaceVar.domain |= variable.domain;
427 for (const use of variable.uses) {
428 if (namespaceVar.uses.includes(use))
429 continue;
430 namespaceVar.uses.push(use);
431 }
432 }
433 });
434 this._applyUses();
435 this._innerScope = new NonRootScope(this, 1 /* Function */);
436 }
437 createOrReuseNamespaceScope(name, exported, ambient, hasExportStatement) {
438 if (!exported && (!this._ambient || this._hasExport))
439 return this._innerScope.createOrReuseNamespaceScope(name, exported, ambient || this._ambient, hasExportStatement);
440 return super.createOrReuseNamespaceScope(name, exported, ambient || this._ambient, hasExportStatement);
441 }
442 createOrReuseEnumScope(name, exported) {
443 if (!exported && (!this._ambient || this._hasExport))
444 return this._innerScope.createOrReuseEnumScope(name, exported);
445 return super.createOrReuseEnumScope(name, exported);
446 }
447 addUse(use, source) {
448 if (source !== this._innerScope)
449 return this._innerScope.addUse(use);
450 this._uses.push(use);
451 }
452 refresh(ambient, hasExport) {
453 this._ambient = ambient;
454 this._hasExport = hasExport;
455 }
456 markExported(name, _as) {
457 if (this._exports === undefined)
458 this._exports = new Set();
459 this._exports.add(name.text);
460 }
461 getDestinationScope() {
462 return this._innerScope;
463 }
464}
465function getEntityNameParent(name) {
466 let parent = name.parent;
467 while (parent.kind === ts.SyntaxKind.QualifiedName)
468 parent = parent.parent;
469 return parent;
470}
471// TODO class decorators resolve outside of class, element and parameter decorator resolve inside/at the class
472// TODO computed property name resolves inside/at the cass
473// TODO this and super in all of them are resolved outside of the class
474class UsageWalker {
475 constructor() {
476 this._result = new Map();
477 }
478 getUsage(sourceFile) {
479 const variableCallback = (variable, key) => {
480 this._result.set(key, variable);
481 };
482 const isModule = ts.isExternalModule(sourceFile);
483 this._scope = new RootScope(sourceFile.isDeclarationFile && isModule && !containsExportStatement(sourceFile), !isModule);
484 const cb = (node) => {
485 if (util_1.isBlockScopeBoundary(node))
486 return continueWithScope(node, new BlockScope(this._scope.getFunctionScope(), this._scope), handleBlockScope);
487 switch (node.kind) {
488 case ts.SyntaxKind.ClassExpression:
489 return continueWithScope(node, node.name !== undefined
490 ? new ClassExpressionScope(node.name, this._scope)
491 : new NonRootScope(this._scope, 1 /* Function */));
492 case ts.SyntaxKind.ClassDeclaration:
493 this._handleDeclaration(node, true, 4 /* Value */ | 2 /* Type */);
494 return continueWithScope(node, new NonRootScope(this._scope, 1 /* Function */));
495 case ts.SyntaxKind.InterfaceDeclaration:
496 case ts.SyntaxKind.TypeAliasDeclaration:
497 this._handleDeclaration(node, true, 2 /* Type */);
498 return continueWithScope(node, new NonRootScope(this._scope, 4 /* Type */));
499 case ts.SyntaxKind.EnumDeclaration:
500 this._handleDeclaration(node, true, 7 /* Any */);
501 return continueWithScope(node, this._scope.createOrReuseEnumScope(node.name.text, util_1.hasModifier(node.modifiers, ts.SyntaxKind.ExportKeyword)));
502 case ts.SyntaxKind.ModuleDeclaration:
503 return this._handleModule(node, continueWithScope);
504 case ts.SyntaxKind.MappedType:
505 return continueWithScope(node, new NonRootScope(this._scope, 4 /* Type */));
506 case ts.SyntaxKind.FunctionExpression:
507 case ts.SyntaxKind.ArrowFunction:
508 case ts.SyntaxKind.Constructor:
509 case ts.SyntaxKind.MethodDeclaration:
510 case ts.SyntaxKind.FunctionDeclaration:
511 case ts.SyntaxKind.GetAccessor:
512 case ts.SyntaxKind.SetAccessor:
513 case ts.SyntaxKind.MethodSignature:
514 case ts.SyntaxKind.CallSignature:
515 case ts.SyntaxKind.ConstructSignature:
516 case ts.SyntaxKind.ConstructorType:
517 case ts.SyntaxKind.FunctionType:
518 return this._handleFunctionLikeDeclaration(node, cb, variableCallback);
519 case ts.SyntaxKind.ConditionalType:
520 return this._handleConditionalType(node, cb, variableCallback);
521 // End of Scope specific handling
522 case ts.SyntaxKind.VariableDeclarationList:
523 this._handleVariableDeclaration(node);
524 break;
525 case ts.SyntaxKind.Parameter:
526 if (node.parent.kind !== ts.SyntaxKind.IndexSignature &&
527 (node.name.kind !== ts.SyntaxKind.Identifier ||
528 node.name.originalKeywordKind !== ts.SyntaxKind.ThisKeyword))
529 this._handleBindingName(node.name, false, false);
530 break;
531 case ts.SyntaxKind.EnumMember:
532 this._scope.addVariable(util_1.getPropertyName(node.name), node.name, 1 /* Function */, true, 4 /* Value */);
533 break;
534 case ts.SyntaxKind.ImportClause:
535 case ts.SyntaxKind.ImportSpecifier:
536 case ts.SyntaxKind.NamespaceImport:
537 case ts.SyntaxKind.ImportEqualsDeclaration:
538 this._handleDeclaration(node, false, 7 /* Any */ | 8 /* Import */);
539 break;
540 case ts.SyntaxKind.TypeParameter:
541 this._scope.addVariable(node.name.text, node.name, node.parent.kind === ts.SyntaxKind.InferType ? 8 /* InferType */ : 7 /* Type */, false, 2 /* Type */);
542 break;
543 case ts.SyntaxKind.ExportSpecifier:
544 if (node.propertyName !== undefined)
545 return this._scope.markExported(node.propertyName, node.name);
546 return this._scope.markExported(node.name);
547 case ts.SyntaxKind.ExportAssignment:
548 if (node.expression.kind === ts.SyntaxKind.Identifier)
549 return this._scope.markExported(node.expression);
550 break;
551 case ts.SyntaxKind.Identifier:
552 const domain = getUsageDomain(node);
553 if (domain !== undefined)
554 this._scope.addUse({ domain, location: node });
555 return;
556 }
557 return ts.forEachChild(node, cb);
558 };
559 const continueWithScope = (node, scope, next = forEachChild) => {
560 const savedScope = this._scope;
561 this._scope = scope;
562 next(node);
563 this._scope.end(variableCallback);
564 this._scope = savedScope;
565 };
566 const handleBlockScope = (node) => {
567 if (node.kind === ts.SyntaxKind.CatchClause && node.variableDeclaration !== undefined)
568 this._handleBindingName(node.variableDeclaration.name, true, false);
569 return ts.forEachChild(node, cb);
570 };
571 ts.forEachChild(sourceFile, cb);
572 this._scope.end(variableCallback);
573 return this._result;
574 function forEachChild(node) {
575 return ts.forEachChild(node, cb);
576 }
577 }
578 _handleConditionalType(node, cb, varCb) {
579 const savedScope = this._scope;
580 const scope = this._scope = new ConditionalTypeScope(savedScope);
581 cb(node.checkType);
582 scope.updateState(1 /* Extends */);
583 cb(node.extendsType);
584 scope.updateState(2 /* TrueType */);
585 cb(node.trueType);
586 scope.updateState(3 /* FalseType */);
587 cb(node.falseType);
588 scope.end(varCb);
589 this._scope = savedScope;
590 }
591 _handleFunctionLikeDeclaration(node, cb, varCb) {
592 if (node.decorators !== undefined)
593 node.decorators.forEach(cb);
594 const savedScope = this._scope;
595 if (node.kind === ts.SyntaxKind.FunctionDeclaration)
596 this._handleDeclaration(node, false, 4 /* Value */);
597 const scope = this._scope = node.kind === ts.SyntaxKind.FunctionExpression && node.name !== undefined
598 ? new FunctionExpressionScope(node.name, savedScope)
599 : new FunctionScope(savedScope);
600 if (node.name !== undefined)
601 cb(node.name);
602 if (node.typeParameters !== undefined)
603 node.typeParameters.forEach(cb);
604 node.parameters.forEach(cb);
605 if (node.type !== undefined)
606 cb(node.type);
607 if (node.body !== undefined) {
608 scope.beginBody();
609 cb(node.body);
610 }
611 scope.end(varCb);
612 this._scope = savedScope;
613 }
614 _handleModule(node, next) {
615 if (node.flags & ts.NodeFlags.GlobalAugmentation)
616 return next(node, this._scope.createOrReuseNamespaceScope('-global', false, true, false));
617 if (node.name.kind === ts.SyntaxKind.Identifier) {
618 const exported = isNamespaceExported(node);
619 this._scope.addVariable(node.name.text, node.name, 1 /* Function */, exported, 1 /* Namespace */ | 4 /* Value */);
620 const ambient = util_1.hasModifier(node.modifiers, ts.SyntaxKind.DeclareKeyword);
621 return next(node, this._scope.createOrReuseNamespaceScope(node.name.text, exported, ambient, ambient && namespaceHasExportStatement(node)));
622 }
623 return next(node, this._scope.createOrReuseNamespaceScope(`"${node.name.text}"`, false, true, namespaceHasExportStatement(node)));
624 }
625 _handleDeclaration(node, blockScoped, domain) {
626 if (node.name !== undefined)
627 this._scope.addVariable(node.name.text, node.name, blockScoped ? 3 /* Block */ : 1 /* Function */, util_1.hasModifier(node.modifiers, ts.SyntaxKind.ExportKeyword), domain);
628 }
629 _handleBindingName(name, blockScoped, exported) {
630 if (name.kind === ts.SyntaxKind.Identifier)
631 return this._scope.addVariable(name.text, name, blockScoped ? 3 /* Block */ : 1 /* Function */, exported, 4 /* Value */);
632 util_1.forEachDestructuringIdentifier(name, (declaration) => {
633 this._scope.addVariable(declaration.name.text, declaration.name, blockScoped ? 3 /* Block */ : 1 /* Function */, exported, 4 /* Value */);
634 });
635 }
636 _handleVariableDeclaration(declarationList) {
637 const blockScoped = util_1.isBlockScopedVariableDeclarationList(declarationList);
638 const exported = declarationList.parent.kind === ts.SyntaxKind.VariableStatement &&
639 util_1.hasModifier(declarationList.parent.modifiers, ts.SyntaxKind.ExportKeyword);
640 for (const declaration of declarationList.declarations)
641 this._handleBindingName(declaration.name, blockScoped, exported);
642 }
643}
644function isNamespaceExported(node) {
645 return node.parent.kind === ts.SyntaxKind.ModuleDeclaration || util_1.hasModifier(node.modifiers, ts.SyntaxKind.ExportKeyword);
646}
647function namespaceHasExportStatement(ns) {
648 if (ns.body === undefined || ns.body.kind !== ts.SyntaxKind.ModuleBlock)
649 return false;
650 return containsExportStatement(ns.body);
651}
652function containsExportStatement(block) {
653 for (const statement of block.statements)
654 if (statement.kind === ts.SyntaxKind.ExportDeclaration || statement.kind === ts.SyntaxKind.ExportAssignment)
655 return true;
656 return false;
657}
658//# sourceMappingURL=usage.js.map
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