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fix: Remove empty curly brackets while verbatimModuleSyntax is on onl… #62349

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fix: Remove empty curly brackets while verbatimModuleSyntax is on onl… #62349

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6a7bdf6
fix: Remove empty curly brackets while verbatimModuleSyntax is on onl…
codenamenam Aug 28, 2025
946d800
test: Add test case for empty import braces
codenamenam Sep 26, 2025
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5 changes: 4 additions & 1 deletion src/compiler/transformers/ts.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2301,7 +2301,10 @@ export function transformTypeScript(context: TransformationContext): Transformer
}
else {
// Elide named imports if all of its import specifiers are elided and settings allow.
const allowEmpty = compilerOptions.verbatimModuleSyntax;
// When a default import exists, avoid keeping empty named braces under verbatimModuleSyntax.
const parentImportClause = node.parent as ImportClause | undefined;
const defaultBindingPresent = !!parentImportClause?.name;
const allowEmpty = compilerOptions.verbatimModuleSyntax && !defaultBindingPresent;
const elements = visitNodes(node.elements, visitImportSpecifier, isImportSpecifier);
return allowEmpty || some(elements) ? factory.updateNamedImports(node, elements) : undefined;
}
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