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Proposal: Always allow type-only imports to reference .ts extensions (#54746)

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This commit is contained in:
Andrew Branch
2023-07-24 16:12:38 -07:00
committed by GitHub
parent 55fcee407a
commit 2170e6c6cc
9 changed files with 271 additions and 2 deletions
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src/compiler/checker.ts
+7 -2
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@@ -4908,8 +4908,13 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
}
}
else if (resolvedModule.resolvedUsingTsExtension && !shouldAllowImportingTsExtension(compilerOptions, currentSourceFile.fileName)) {
const tsExtension = Debug.checkDefined(tryExtractTSExtension(moduleReference));
error(errorNode, Diagnostics.An_import_path_can_only_end_with_a_0_extension_when_allowImportingTsExtensions_is_enabled, tsExtension);
const importOrExport =
findAncestor(location, isImportDeclaration)?.importClause ||
findAncestor(location, or(isImportEqualsDeclaration, isExportDeclaration));
if (!(importOrExport?.isTypeOnly || findAncestor(location, isImportTypeNode))) {
const tsExtension = Debug.checkDefined(tryExtractTSExtension(moduleReference));
error(errorNode, Diagnostics.An_import_path_can_only_end_with_a_0_extension_when_allowImportingTsExtensions_is_enabled, tsExtension);
}
}
if (sourceFile.symbol) {