Fix: syntax error in resulting d.ts file

Author: Climenty

apps/api-extractor/src/generators/ApiReportGenerator.ts

@@ -21,6 +21,7 @@ import { AstNamespaceImport } from '../analyzer/AstNamespaceImport';
 import type { AstEntity } from '../analyzer/AstEntity';
 import type { IAstModuleExportInfo } from '../analyzer/AstModule';
 import { SourceFileLocationFormatter } from '../analyzer/SourceFileLocationFormatter';
+import { SyntaxHelpers } from '../analyzer/SyntaxHelpers';
 import { ExtractorMessageId } from '../api/ExtractorMessageId';
 import type { ApiReportVariant } from '../api/IConfigFile';
 import type { SymbolMetadata } from '../collector/SymbolMetadata';
@@ -224,7 +225,10 @@ export class ApiReportGenerator {
             if (collectorEntity.nameForEmit === exportedName) {
               exportClauses.push(collectorEntity.nameForEmit);
             } else {
-              exportClauses.push(`${collectorEntity.nameForEmit} as ${exportedName}`);
+              const safeExportedName: string = SyntaxHelpers.isSafeUnquotedMemberIdentifier(exportedName)
+                ? exportedName
+                : JSON.stringify(exportedName);
+              exportClauses.push(`${collectorEntity.nameForEmit} as ${safeExportedName}`);
             }
           }
           writer.writeLine(exportClauses.join(',\n'));

apps/api-extractor/src/generators/DtsRollupGenerator.ts

@@ -21,6 +21,7 @@ import type { DeclarationMetadata } from '../collector/DeclarationMetadata';
 import { AstNamespaceImport } from '../analyzer/AstNamespaceImport';
 import type { IAstModuleExportInfo } from '../analyzer/AstModule';
 import { SourceFileLocationFormatter } from '../analyzer/SourceFileLocationFormatter';
+import { SyntaxHelpers } from '../analyzer/SyntaxHelpers';
 import type { AstEntity } from '../analyzer/AstEntity';
 
 /**
@@ -216,7 +217,10 @@ export class DtsRollupGenerator {
           if (collectorEntity.nameForEmit === exportedName) {
             exportClauses.push(collectorEntity.nameForEmit);
           } else {
-            exportClauses.push(`${collectorEntity.nameForEmit} as ${exportedName}`);
+            const safeExportedName: string = SyntaxHelpers.isSafeUnquotedMemberIdentifier(exportedName)
+              ? exportedName
+              : JSON.stringify(exportedName);
+            exportClauses.push(`${collectorEntity.nameForEmit} as ${safeExportedName}`);
           }
         }
         writer.writeLine(exportClauses.join(',\n'));