"use strict";
// Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.
// See LICENSE in the project root for license information.
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Object.defineProperty(exports, "__esModule", { value: true });
exports.ApiReportGenerator = void 0;
const ts = __importStar(require("typescript"));
const api_extractor_model_1 = require("@microsoft/api-extractor-model");
const node_core_library_1 = require("@rushstack/node-core-library");
const Collector_1 = require("../collector/Collector");
const TypeScriptHelpers_1 = require("../analyzer/TypeScriptHelpers");
const Span_1 = require("../analyzer/Span");
const AstDeclaration_1 = require("../analyzer/AstDeclaration");
const AstImport_1 = require("../analyzer/AstImport");
const AstSymbol_1 = require("../analyzer/AstSymbol");
const IndentedWriter_1 = require("./IndentedWriter");
const DtsEmitHelpers_1 = require("./DtsEmitHelpers");
const AstNamespaceImport_1 = require("../analyzer/AstNamespaceImport");
const SourceFileLocationFormatter_1 = require("../analyzer/SourceFileLocationFormatter");
const ExtractorMessageId_1 = require("../api/ExtractorMessageId");
class ApiReportGenerator {
    /**
     * Compares the contents of two API files that were created using ApiFileGenerator,
     * and returns true if they are equivalent.  Note that these files are not normally edited
     * by a human; the "equivalence" comparison here is intended to ignore spurious changes that
     * might be introduced by a tool, e.g. Git newline normalization or an editor that strips
     * whitespace when saving.
     */
    static areEquivalentApiFileContents(actualFileContent, expectedFileContent) {
        // NOTE: "\s" also matches "\r" and "\n"
        const normalizedActual = actualFileContent.replace(/[\s]+/g, ' ');
        const normalizedExpected = expectedFileContent.replace(/[\s]+/g, ' ');
        return normalizedActual === normalizedExpected;
    }
    /**
     * Generates and returns the API report contents as a string.
     *
     * @param reportVariant - The release level with which the report is associated.
     * Can also be viewed as the minimal release level of items that should be included in the report.
     */
    static generateReviewFileContent(collector, reportVariant) {
        var _a;
        const writer = new IndentedWriter_1.IndentedWriter();
        writer.trimLeadingSpaces = true;
        function capitalizeFirstLetter(input) {
            return input === '' ? '' : `${input[0].toLocaleUpperCase()}${input.slice(1)}`;
        }
        // For backwards compatibility, don't emit "complete" in report text for untrimmed reports.
        const releaseLevelPrefix = reportVariant === 'complete' ? '' : `${capitalizeFirstLetter(reportVariant)} `;
        writer.writeLine([
            `## ${releaseLevelPrefix}API Report File for "${collector.workingPackage.name}"`,
            ``,
            `> Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).`,
            ``
        ].join('\n'));
        // Write the opening delimiter for the Markdown code fence
        writer.writeLine('```ts\n');
        // Emit the triple slash directives
        for (const typeDirectiveReference of Array.from(collector.dtsTypeReferenceDirectives).sort()) {
            // https://github.com/microsoft/TypeScript/blob/611ebc7aadd7a44a4c0447698bfda9222a78cb66/src/compiler/declarationEmitter.ts#L162
            writer.writeLine(`/// <reference types="${typeDirectiveReference}" />`);
        }
        for (const libDirectiveReference of Array.from(collector.dtsLibReferenceDirectives).sort()) {
            writer.writeLine(`/// <reference lib="${libDirectiveReference}" />`);
        }
        writer.ensureSkippedLine();
        // Emit the imports
        for (const entity of collector.entities) {
            if (entity.astEntity instanceof AstImport_1.AstImport) {
                DtsEmitHelpers_1.DtsEmitHelpers.emitImport(writer, entity, entity.astEntity);
            }
        }
        writer.ensureSkippedLine();
        // Emit the regular declarations
        for (const entity of collector.entities) {
            const astEntity = entity.astEntity;
            const symbolMetadata = collector.tryFetchMetadataForAstEntity(astEntity);
            const maxEffectiveReleaseTag = (_a = symbolMetadata === null || symbolMetadata === void 0 ? void 0 : symbolMetadata.maxEffectiveReleaseTag) !== null && _a !== void 0 ? _a : api_extractor_model_1.ReleaseTag.None;
            if (!this._shouldIncludeReleaseTag(maxEffectiveReleaseTag, reportVariant)) {
                continue;
            }
            if (entity.consumable || collector.extractorConfig.apiReportIncludeForgottenExports) {
                const exportsToEmit = new Map();
                for (const exportName of entity.exportNames) {
                    if (!entity.shouldInlineExport) {
                        exportsToEmit.set(exportName, { exportName, associatedMessages: [] });
                    }
                }
                if (astEntity instanceof AstSymbol_1.AstSymbol) {
                    // Emit all the declarations for this entity
                    for (const astDeclaration of astEntity.astDeclarations || []) {
                        // Get the messages associated with this declaration
                        const fetchedMessages = collector.messageRouter.fetchAssociatedMessagesForReviewFile(astDeclaration);
                        // Peel off the messages associated with an export statement and store them
                        // in IExportToEmit.associatedMessages (to be processed later).  The remaining messages will
                        // added to messagesToReport, to be emitted next to the declaration instead of the export statement.
                        const messagesToReport = [];
                        for (const message of fetchedMessages) {
                            if (message.properties.exportName) {
                                const exportToEmit = exportsToEmit.get(message.properties.exportName);
                                if (exportToEmit) {
                                    exportToEmit.associatedMessages.push(message);
                                    continue;
                                }
                            }
                            messagesToReport.push(message);
                        }
                        if (this._shouldIncludeDeclaration(collector, astDeclaration, reportVariant)) {
                            writer.ensureSkippedLine();
                            writer.write(ApiReportGenerator._getAedocSynopsis(collector, astDeclaration, messagesToReport));
                            const span = new Span_1.Span(astDeclaration.declaration);
                            const apiItemMetadata = collector.fetchApiItemMetadata(astDeclaration);
                            if (apiItemMetadata.isPreapproved) {
                                ApiReportGenerator._modifySpanForPreapproved(span);
                            }
                            else {
                                ApiReportGenerator._modifySpan(collector, span, entity, astDeclaration, false, reportVariant);
                            }
                            span.writeModifiedText(writer);
                            writer.ensureNewLine();
                        }
                    }
                }
                if (astEntity instanceof AstNamespaceImport_1.AstNamespaceImport) {
                    const astModuleExportInfo = astEntity.fetchAstModuleExportInfo(collector);
                    if (entity.nameForEmit === undefined) {
                        // This should never happen
                        throw new node_core_library_1.InternalError('referencedEntry.nameForEmit is undefined');
                    }
                    if (astModuleExportInfo.starExportedExternalModules.size > 0) {
                        // We could support this, but we would need to find a way to safely represent it.
                        throw new Error(`The ${entity.nameForEmit} namespace import includes a star export, which is not supported:\n` +
                            SourceFileLocationFormatter_1.SourceFileLocationFormatter.formatDeclaration(astEntity.declaration));
                    }
                    // Emit a synthetic declaration for the namespace.  It will look like this:
                    //
                    //    declare namespace example {
                    //      export {
                    //        f1,
                    //        f2
                    //      }
                    //    }
                    //
                    // Note that we do not try to relocate f1()/f2() to be inside the namespace because other type
                    // signatures may reference them directly (without using the namespace qualifier).
                    writer.ensureSkippedLine();
                    writer.writeLine(`declare namespace ${entity.nameForEmit} {`);
                    // all local exports of local imported module are just references to top-level declarations
                    writer.increaseIndent();
                    writer.writeLine('export {');
                    writer.increaseIndent();
                    const exportClauses = [];
                    for (const [exportedName, exportedEntity] of astModuleExportInfo.exportedLocalEntities) {
                        const collectorEntity = collector.tryGetCollectorEntity(exportedEntity);
                        if (collectorEntity === undefined) {
                            // This should never happen
                            // top-level exports of local imported module should be added as collector entities before
                            throw new node_core_library_1.InternalError(`Cannot find collector entity for ${entity.nameForEmit}.${exportedEntity.localName}`);
                        }
                        if (collectorEntity.nameForEmit === exportedName) {
                            exportClauses.push(collectorEntity.nameForEmit);
                        }
                        else {
                            exportClauses.push(`${collectorEntity.nameForEmit} as ${exportedName}`);
                        }
                    }
                    writer.writeLine(exportClauses.join(',\n'));
                    writer.decreaseIndent();
                    writer.writeLine('}'); // end of "export { ... }"
                    writer.decreaseIndent();
                    writer.writeLine('}'); // end of "declare namespace { ... }"
                }
                // Now emit the export statements for this entity.
                for (const exportToEmit of exportsToEmit.values()) {
                    // Write any associated messages
                    if (exportToEmit.associatedMessages.length > 0) {
                        writer.ensureSkippedLine();
                        for (const message of exportToEmit.associatedMessages) {
                            ApiReportGenerator._writeLineAsComments(writer, 'Warning: ' + message.formatMessageWithoutLocation());
                        }
                    }
                    DtsEmitHelpers_1.DtsEmitHelpers.emitNamedExport(writer, exportToEmit.exportName, entity);
                }
                writer.ensureSkippedLine();
            }
        }
        DtsEmitHelpers_1.DtsEmitHelpers.emitStarExports(writer, collector);
        // Write the unassociated warnings at the bottom of the file
        const unassociatedMessages = collector.messageRouter.fetchUnassociatedMessagesForReviewFile();
        if (unassociatedMessages.length > 0) {
            writer.ensureSkippedLine();
            ApiReportGenerator._writeLineAsComments(writer, 'Warnings were encountered during analysis:');
            ApiReportGenerator._writeLineAsComments(writer, '');
            for (const unassociatedMessage of unassociatedMessages) {
                ApiReportGenerator._writeLineAsComments(writer, unassociatedMessage.formatMessageWithLocation(collector.workingPackage.packageFolder));
            }
        }
        if (collector.workingPackage.tsdocComment === undefined) {
            writer.ensureSkippedLine();
            ApiReportGenerator._writeLineAsComments(writer, '(No @packageDocumentation comment for this package)');
        }
        // Write the closing delimiter for the Markdown code fence
        writer.ensureSkippedLine();
        writer.writeLine('```');
        // Remove any trailing spaces
        return writer.toString().replace(ApiReportGenerator._trimSpacesRegExp, '');
    }
    /**
     * Before writing out a declaration, _modifySpan() applies various fixups to make it nice.
     */
    static _modifySpan(collector, span, entity, astDeclaration, insideTypeLiteral, reportVariant) {
        // Should we process this declaration at all?
        if (!ApiReportGenerator._shouldIncludeDeclaration(collector, astDeclaration, reportVariant)) {
            span.modification.skipAll();
            return;
        }
        const previousSpan = span.previousSibling;
        let recurseChildren = true;
        let sortChildren = false;
        switch (span.kind) {
            case ts.SyntaxKind.JSDocComment:
                span.modification.skipAll();
                // For now, we don't transform JSDoc comment nodes at all
                recurseChildren = false;
                break;
            case ts.SyntaxKind.ExportKeyword:
            case ts.SyntaxKind.DefaultKeyword:
            case ts.SyntaxKind.DeclareKeyword:
                // Delete any explicit "export" or "declare" keywords -- we will re-add them below
                span.modification.skipAll();
                break;
            case ts.SyntaxKind.InterfaceKeyword:
            case ts.SyntaxKind.ClassKeyword:
            case ts.SyntaxKind.EnumKeyword:
            case ts.SyntaxKind.NamespaceKeyword:
            case ts.SyntaxKind.ModuleKeyword:
            case ts.SyntaxKind.TypeKeyword:
            case ts.SyntaxKind.FunctionKeyword:
                // Replace the stuff we possibly deleted above
                let replacedModifiers = '';
                if (entity.shouldInlineExport) {
                    replacedModifiers = 'export ' + replacedModifiers;
                }
                if (previousSpan && previousSpan.kind === ts.SyntaxKind.SyntaxList) {
                    // If there is a previous span of type SyntaxList, then apply it before any other modifiers
                    // (e.g. "abstract") that appear there.
                    previousSpan.modification.prefix = replacedModifiers + previousSpan.modification.prefix;
                }
                else {
                    // Otherwise just stick it in front of this span
                    span.modification.prefix = replacedModifiers + span.modification.prefix;
                }
                break;
            case ts.SyntaxKind.SyntaxList:
                if (span.parent) {
                    if (AstDeclaration_1.AstDeclaration.isSupportedSyntaxKind(span.parent.kind)) {
                        // If the immediate parent is an API declaration, and the immediate children are API declarations,
                        // then sort the children alphabetically
                        sortChildren = true;
                    }
                    else if (span.parent.kind === ts.SyntaxKind.ModuleBlock) {
                        // Namespaces are special because their chain goes ModuleDeclaration -> ModuleBlock -> SyntaxList
                        sortChildren = true;
                    }
                }
                break;
            case ts.SyntaxKind.VariableDeclaration:
                if (!span.parent) {
                    // The VariableDeclaration node is part of a VariableDeclarationList, however
                    // the Entry.followedSymbol points to the VariableDeclaration part because
                    // multiple definitions might share the same VariableDeclarationList.
                    //
                    // Since we are emitting a separate declaration for each one, we need to look upwards
                    // in the ts.Node tree and write a copy of the enclosing VariableDeclarationList
                    // content (e.g. "var" from "var x=1, y=2").
                    const list = TypeScriptHelpers_1.TypeScriptHelpers.matchAncestor(span.node, [
                        ts.SyntaxKind.VariableDeclarationList,
                        ts.SyntaxKind.VariableDeclaration
                    ]);
                    if (!list) {
                        // This should not happen unless the compiler API changes somehow
                        throw new node_core_library_1.InternalError('Unsupported variable declaration');
                    }
                    const listPrefix = list
                        .getSourceFile()
                        .text.substring(list.getStart(), list.declarations[0].getStart());
                    span.modification.prefix = listPrefix + span.modification.prefix;
                    span.modification.suffix = ';';
                    if (entity.shouldInlineExport) {
                        span.modification.prefix = 'export ' + span.modification.prefix;
                    }
                }
                break;
            case ts.SyntaxKind.Identifier:
                const referencedEntity = collector.tryGetEntityForNode(span.node);
                if (referencedEntity) {
                    if (!referencedEntity.nameForEmit) {
                        // This should never happen
                        throw new node_core_library_1.InternalError('referencedEntry.nameForEmit is undefined');
                    }
                    span.modification.prefix = referencedEntity.nameForEmit;
                    // For debugging:
                    // span.modification.prefix += '/*R=FIX*/';
                }
                else {
                    // For debugging:
                    // span.modification.prefix += '/*R=KEEP*/';
                }
                break;
            case ts.SyntaxKind.TypeLiteral:
                insideTypeLiteral = true;
                break;
            case ts.SyntaxKind.ImportType:
                DtsEmitHelpers_1.DtsEmitHelpers.modifyImportTypeSpan(collector, span, astDeclaration, (childSpan, childAstDeclaration) => {
                    ApiReportGenerator._modifySpan(collector, childSpan, entity, childAstDeclaration, insideTypeLiteral, reportVariant);
                });
                break;
        }
        if (recurseChildren) {
            for (const child of span.children) {
                let childAstDeclaration = astDeclaration;
                if (AstDeclaration_1.AstDeclaration.isSupportedSyntaxKind(child.kind)) {
                    childAstDeclaration = collector.astSymbolTable.getChildAstDeclarationByNode(child.node, astDeclaration);
                    if (ApiReportGenerator._shouldIncludeDeclaration(collector, childAstDeclaration, reportVariant)) {
                        if (sortChildren) {
                            span.modification.sortChildren = true;
                            child.modification.sortKey = Collector_1.Collector.getSortKeyIgnoringUnderscore(childAstDeclaration.astSymbol.localName);
                        }
                        if (!insideTypeLiteral) {
                            const messagesToReport = collector.messageRouter.fetchAssociatedMessagesForReviewFile(childAstDeclaration);
                            // NOTE: This generates ae-undocumented messages as a side effect
                            const aedocSynopsis = ApiReportGenerator._getAedocSynopsis(collector, childAstDeclaration, messagesToReport);
                            child.modification.prefix = aedocSynopsis + child.modification.prefix;
                        }
                    }
                }
                ApiReportGenerator._modifySpan(collector, child, entity, childAstDeclaration, insideTypeLiteral, reportVariant);
            }
        }
    }
    static _shouldIncludeDeclaration(collector, astDeclaration, reportVariant) {
        // Private declarations are not included in the API report
        // eslint-disable-next-line no-bitwise
        if ((astDeclaration.modifierFlags & ts.ModifierFlags.Private) !== 0) {
            return false;
        }
        const apiItemMetadata = collector.fetchApiItemMetadata(astDeclaration);
        return this._shouldIncludeReleaseTag(apiItemMetadata.effectiveReleaseTag, reportVariant);
    }
    static _shouldIncludeReleaseTag(releaseTag, reportVariant) {
        switch (reportVariant) {
            case 'complete':
                return true;
            case 'alpha':
                return (releaseTag === api_extractor_model_1.ReleaseTag.Alpha ||
                    releaseTag === api_extractor_model_1.ReleaseTag.Beta ||
                    releaseTag === api_extractor_model_1.ReleaseTag.Public ||
                    // NOTE: No specified release tag is implicitly treated as `@public`.
                    releaseTag === api_extractor_model_1.ReleaseTag.None);
            case 'beta':
                return (releaseTag === api_extractor_model_1.ReleaseTag.Beta ||
                    releaseTag === api_extractor_model_1.ReleaseTag.Public ||
                    // NOTE: No specified release tag is implicitly treated as `@public`.
                    releaseTag === api_extractor_model_1.ReleaseTag.None);
            case 'public':
                return (releaseTag === api_extractor_model_1.ReleaseTag.Public ||
                    // NOTE: No specified release tag is implicitly treated as `@public`.
                    releaseTag === api_extractor_model_1.ReleaseTag.None);
            default:
                throw new Error(`Unrecognized release level: ${reportVariant}`);
        }
    }
    /**
     * For declarations marked as `@preapproved`, this is used instead of _modifySpan().
     */
    static _modifySpanForPreapproved(span) {
        // Match something like this:
        //
        //   ClassDeclaration:
        //     SyntaxList:
        //       ExportKeyword:  pre=[export] sep=[ ]
        //       DeclareKeyword:  pre=[declare] sep=[ ]
        //     ClassKeyword:  pre=[class] sep=[ ]
        //     Identifier:  pre=[_PreapprovedClass] sep=[ ]
        //     FirstPunctuation:  pre=[{] sep=[\n\n    ]
        //     SyntaxList:
        //       ...
        //     CloseBraceToken:  pre=[}]
        //
        // or this:
        //   ModuleDeclaration:
        //     SyntaxList:
        //       ExportKeyword:  pre=[export] sep=[ ]
        //       DeclareKeyword:  pre=[declare] sep=[ ]
        //     NamespaceKeyword:  pre=[namespace] sep=[ ]
        //     Identifier:  pre=[_PreapprovedNamespace] sep=[ ]
        //     ModuleBlock:
        //       FirstPunctuation:  pre=[{] sep=[\n\n    ]
        //       SyntaxList:
        //         ...
        //       CloseBraceToken:  pre=[}]
        //
        // And reduce it to something like this:
        //
        //   // @internal (undocumented)
        //   class _PreapprovedClass { /* (preapproved) */ }
        //
        let skipRest = false;
        for (const child of span.children) {
            if (skipRest || child.kind === ts.SyntaxKind.SyntaxList || child.kind === ts.SyntaxKind.JSDocComment) {
                child.modification.skipAll();
            }
            if (child.kind === ts.SyntaxKind.Identifier) {
                skipRest = true;
                child.modification.omitSeparatorAfter = true;
                child.modification.suffix = ' { /* (preapproved) */ }';
            }
        }
    }
    /**
     * Writes a synopsis of the AEDoc comments, which indicates the release tag,
     * whether the item has been documented, and any warnings that were detected
     * by the analysis.
     */
    static _getAedocSynopsis(collector, astDeclaration, messagesToReport) {
        var _a, _b, _c;
        const writer = new IndentedWriter_1.IndentedWriter();
        for (const message of messagesToReport) {
            ApiReportGenerator._writeLineAsComments(writer, 'Warning: ' + message.formatMessageWithoutLocation());
        }
        if (!collector.isAncillaryDeclaration(astDeclaration)) {
            const footerParts = [];
            const apiItemMetadata = collector.fetchApiItemMetadata(astDeclaration);
            // 1. Release tag (if present)
            if (!apiItemMetadata.releaseTagSameAsParent) {
                if (apiItemMetadata.effectiveReleaseTag !== api_extractor_model_1.ReleaseTag.None) {
                    footerParts.push(api_extractor_model_1.ReleaseTag.getTagName(apiItemMetadata.effectiveReleaseTag));
                }
            }
            // 2. Enumerate configured tags, reporting standard system tags first and then other configured tags.
            // Note that the ordering we handle the standard tags is important for backwards compatibility.
            // Also note that we had special mechanisms for checking whether or not an item is documented with these tags,
            // so they are checked specially.
            const { '@sealed': reportSealedTag, '@virtual': reportVirtualTag, '@override': reportOverrideTag, '@eventProperty': reportEventPropertyTag, '@deprecated': reportDeprecatedTag, ...otherTagsToReport } = collector.extractorConfig.tagsToReport;
            // 2.a Check for standard tags and report those that are both configured and present in the metadata.
            if (reportSealedTag && apiItemMetadata.isSealed) {
                footerParts.push('@sealed');
            }
            if (reportVirtualTag && apiItemMetadata.isVirtual) {
                footerParts.push('@virtual');
            }
            if (reportOverrideTag && apiItemMetadata.isOverride) {
                footerParts.push('@override');
            }
            if (reportEventPropertyTag && apiItemMetadata.isEventProperty) {
                footerParts.push('@eventProperty');
            }
            if (reportDeprecatedTag && ((_a = apiItemMetadata.tsdocComment) === null || _a === void 0 ? void 0 : _a.deprecatedBlock)) {
                footerParts.push('@deprecated');
            }
            // 2.b Check for other configured tags and report those that are present in the tsdoc metadata.
            for (const [tag, reportTag] of Object.entries(otherTagsToReport)) {
                if (reportTag) {
                    // If the tag was not handled specially, check if it is present in the metadata.
                    if ((_b = apiItemMetadata.tsdocComment) === null || _b === void 0 ? void 0 : _b.customBlocks.some((block) => block.blockTag.tagName === tag)) {
                        footerParts.push(tag);
                    }
                    else if ((_c = apiItemMetadata.tsdocComment) === null || _c === void 0 ? void 0 : _c.modifierTagSet.hasTagName(tag)) {
                        footerParts.push(tag);
                    }
                }
            }
            // 3. If the item is undocumented, append notice at the end of the list
            if (apiItemMetadata.undocumented) {
                footerParts.push('(undocumented)');
                collector.messageRouter.addAnalyzerIssue(ExtractorMessageId_1.ExtractorMessageId.Undocumented, `Missing documentation for "${astDeclaration.astSymbol.localName}".`, astDeclaration);
            }
            if (footerParts.length > 0) {
                if (messagesToReport.length > 0) {
                    ApiReportGenerator._writeLineAsComments(writer, ''); // skip a line after the warnings
                }
                ApiReportGenerator._writeLineAsComments(writer, footerParts.join(' '));
            }
        }
        return writer.toString();
    }
    static _writeLineAsComments(writer, line) {
        const lines = node_core_library_1.Text.convertToLf(line).split('\n');
        for (const realLine of lines) {
            writer.write('// ');
            writer.write(realLine);
            writer.writeLine();
        }
    }
}
exports.ApiReportGenerator = ApiReportGenerator;
ApiReportGenerator._trimSpacesRegExp = / +$/gm;
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