213 行
12 KiB
JavaScript
213 行
12 KiB
JavaScript
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// Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.
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// See LICENSE in the project root for license information.
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import * as ts from 'typescript';
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import * as tsdoc from '@microsoft/tsdoc';
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import { ReleaseTag } from '@microsoft/api-extractor-model';
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import { AstSymbol } from '../analyzer/AstSymbol';
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import { ExtractorMessageId } from '../api/ExtractorMessageId';
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import { VisitorState } from '../collector/VisitorState';
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import { ResolverFailure } from '../analyzer/AstReferenceResolver';
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export class DocCommentEnhancer {
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constructor(collector) {
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this._collector = collector;
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}
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static analyze(collector) {
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const docCommentEnhancer = new DocCommentEnhancer(collector);
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docCommentEnhancer.analyze();
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}
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analyze() {
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for (const entity of this._collector.entities) {
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if (entity.astEntity instanceof AstSymbol) {
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if (entity.consumable ||
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this._collector.extractorConfig.apiReportIncludeForgottenExports ||
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this._collector.extractorConfig.docModelIncludeForgottenExports) {
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entity.astEntity.forEachDeclarationRecursive((astDeclaration) => {
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this._analyzeApiItem(astDeclaration);
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});
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}
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}
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}
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}
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_analyzeApiItem(astDeclaration) {
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const metadata = this._collector.fetchApiItemMetadata(astDeclaration);
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if (metadata.docCommentEnhancerVisitorState === VisitorState.Visited) {
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return;
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}
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if (metadata.docCommentEnhancerVisitorState === VisitorState.Visiting) {
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this._collector.messageRouter.addAnalyzerIssue(ExtractorMessageId.CyclicInheritDoc, `The @inheritDoc tag for "${astDeclaration.astSymbol.localName}" refers to its own declaration`, astDeclaration);
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return;
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}
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metadata.docCommentEnhancerVisitorState = VisitorState.Visiting;
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if (metadata.tsdocComment && metadata.tsdocComment.inheritDocTag) {
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this._applyInheritDoc(astDeclaration, metadata.tsdocComment, metadata.tsdocComment.inheritDocTag);
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}
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this._analyzeNeedsDocumentation(astDeclaration, metadata);
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this._checkForBrokenLinks(astDeclaration, metadata);
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metadata.docCommentEnhancerVisitorState = VisitorState.Visited;
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}
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_analyzeNeedsDocumentation(astDeclaration, metadata) {
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if (astDeclaration.declaration.kind === ts.SyntaxKind.Constructor) {
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// Constructors always do pretty much the same thing, so it's annoying to require people to write
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// descriptions for them. Instead, if the constructor lacks a TSDoc summary, then API Extractor
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// will auto-generate one.
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metadata.undocumented = false;
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// The class that contains this constructor
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const classDeclaration = astDeclaration.parent;
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const configuration = this._collector.extractorConfig.tsdocConfiguration;
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if (!metadata.tsdocComment) {
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metadata.tsdocComment = new tsdoc.DocComment({ configuration });
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}
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if (!tsdoc.PlainTextEmitter.hasAnyTextContent(metadata.tsdocComment.summarySection)) {
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metadata.tsdocComment.summarySection.appendNodesInParagraph([
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new tsdoc.DocPlainText({ configuration, text: 'Constructs a new instance of the ' }),
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new tsdoc.DocCodeSpan({
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configuration,
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code: classDeclaration.astSymbol.localName
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}),
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new tsdoc.DocPlainText({ configuration, text: ' class' })
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]);
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}
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const apiItemMetadata = this._collector.fetchApiItemMetadata(astDeclaration);
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if (apiItemMetadata.effectiveReleaseTag === ReleaseTag.Internal) {
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// If the constructor is marked as internal, then add a boilerplate notice for the containing class
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const classMetadata = this._collector.fetchApiItemMetadata(classDeclaration);
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if (!classMetadata.tsdocComment) {
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classMetadata.tsdocComment = new tsdoc.DocComment({ configuration });
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}
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if (classMetadata.tsdocComment.remarksBlock === undefined) {
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classMetadata.tsdocComment.remarksBlock = new tsdoc.DocBlock({
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configuration,
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blockTag: new tsdoc.DocBlockTag({
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configuration,
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tagName: tsdoc.StandardTags.remarks.tagName
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})
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});
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}
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classMetadata.tsdocComment.remarksBlock.content.appendNode(new tsdoc.DocParagraph({ configuration }, [
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new tsdoc.DocPlainText({
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configuration,
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text: `The constructor for this class is marked as internal. Third-party code should not` +
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` call the constructor directly or create subclasses that extend the `
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}),
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new tsdoc.DocCodeSpan({
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configuration,
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code: classDeclaration.astSymbol.localName
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}),
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new tsdoc.DocPlainText({ configuration, text: ' class.' })
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]));
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}
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return;
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}
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else {
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// For non-constructor items, we will determine whether or not the item is documented as follows:
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// 1. If it contains a summary section with at least 10 characters, then it is considered "documented".
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// 2. If it contains an @inheritDoc tag, then it *may* be considered "documented", depending on whether or not
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// the tag resolves to a "documented" API member.
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// - Note: for external members, we cannot currently determine this, so we will consider the "documented"
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// status to be unknown.
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if (metadata.tsdocComment) {
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if (tsdoc.PlainTextEmitter.hasAnyTextContent(metadata.tsdocComment.summarySection, 10)) {
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// If the API item has a summary comment block (with at least 10 characters), mark it as "documented".
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metadata.undocumented = false;
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}
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else if (metadata.tsdocComment.inheritDocTag) {
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if (this._refersToDeclarationInWorkingPackage(metadata.tsdocComment.inheritDocTag.declarationReference)) {
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// If the API item has an `@inheritDoc` comment that points to an API item in the working package,
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// then the documentation contents should have already been copied from the target via `_applyInheritDoc`.
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// The continued existence of the tag indicates that the declaration reference was invalid, and not
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// documentation contents could be copied.
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// An analyzer issue will have already been logged for this.
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// We will treat such an API as "undocumented".
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metadata.undocumented = true;
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}
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else {
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// If the API item has an `@inheritDoc` comment that points to an external API item, we cannot currently
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// determine whether or not the target is "documented", so we cannot say definitively that this is "undocumented".
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metadata.undocumented = false;
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}
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}
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else {
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// If the API item has neither a summary comment block, nor an `@inheritDoc` comment, mark it as "undocumented".
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metadata.undocumented = true;
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}
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}
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else {
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// If there is no tsdoc comment at all, mark "undocumented".
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metadata.undocumented = true;
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}
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}
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}
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_checkForBrokenLinks(astDeclaration, metadata) {
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if (!metadata.tsdocComment) {
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return;
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}
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this._checkForBrokenLinksRecursive(astDeclaration, metadata.tsdocComment);
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}
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_checkForBrokenLinksRecursive(astDeclaration, node) {
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if (node instanceof tsdoc.DocLinkTag) {
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if (node.codeDestination) {
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// Is it referring to the working package? If not, we don't do any link validation, because
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// AstReferenceResolver doesn't support it yet (but ModelReferenceResolver does of course).
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// Tracked by: https://github.com/microsoft/rushstack/issues/1195
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if (this._refersToDeclarationInWorkingPackage(node.codeDestination)) {
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const referencedAstDeclaration = this._collector.astReferenceResolver.resolve(node.codeDestination);
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if (referencedAstDeclaration instanceof ResolverFailure) {
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this._collector.messageRouter.addAnalyzerIssue(ExtractorMessageId.UnresolvedLink, 'The @link reference could not be resolved: ' + referencedAstDeclaration.reason, astDeclaration);
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}
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}
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}
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}
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for (const childNode of node.getChildNodes()) {
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this._checkForBrokenLinksRecursive(astDeclaration, childNode);
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}
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}
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/**
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* Follow an `{@inheritDoc ___}` reference and copy the content that we find in the referenced comment.
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*/
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_applyInheritDoc(astDeclaration, docComment, inheritDocTag) {
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if (!inheritDocTag.declarationReference) {
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this._collector.messageRouter.addAnalyzerIssue(ExtractorMessageId.UnresolvedInheritDocBase, 'The @inheritDoc tag needs a TSDoc declaration reference; signature matching is not supported yet', astDeclaration);
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return;
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}
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if (!this._refersToDeclarationInWorkingPackage(inheritDocTag.declarationReference)) {
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// The `@inheritDoc` tag is referencing an external package. Skip it, since AstReferenceResolver doesn't
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// support it yet. As a workaround, this tag will get handled later by api-documenter.
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// Tracked by: https://github.com/microsoft/rushstack/issues/1195
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return;
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}
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const referencedAstDeclaration = this._collector.astReferenceResolver.resolve(inheritDocTag.declarationReference);
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if (referencedAstDeclaration instanceof ResolverFailure) {
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this._collector.messageRouter.addAnalyzerIssue(ExtractorMessageId.UnresolvedInheritDocReference, 'The @inheritDoc reference could not be resolved: ' + referencedAstDeclaration.reason, astDeclaration);
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return;
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}
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this._analyzeApiItem(referencedAstDeclaration);
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const referencedMetadata = this._collector.fetchApiItemMetadata(referencedAstDeclaration);
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if (referencedMetadata.tsdocComment) {
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this._copyInheritedDocs(docComment, referencedMetadata.tsdocComment);
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}
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}
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/**
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* Copy the content from `sourceDocComment` to `targetDocComment`.
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*/
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_copyInheritedDocs(targetDocComment, sourceDocComment) {
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targetDocComment.summarySection = sourceDocComment.summarySection;
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targetDocComment.remarksBlock = sourceDocComment.remarksBlock;
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targetDocComment.params.clear();
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for (const param of sourceDocComment.params) {
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targetDocComment.params.add(param);
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}
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for (const typeParam of sourceDocComment.typeParams) {
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targetDocComment.typeParams.add(typeParam);
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}
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targetDocComment.returnsBlock = sourceDocComment.returnsBlock;
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targetDocComment.inheritDocTag = undefined;
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}
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/**
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* Determines whether or not the provided declaration reference points to an item in the working package.
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*/
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_refersToDeclarationInWorkingPackage(declarationReference) {
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return ((declarationReference === null || declarationReference === void 0 ? void 0 : declarationReference.packageName) === undefined ||
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declarationReference.packageName === this._collector.workingPackage.name);
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}
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}
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//# sourceMappingURL=DocCommentEnhancer.js.map
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