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🤖 Pick PR #61175 (Ban import=require and export= unde...) into release-5.8 (#61178)

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Co-authored-by: Jake Bailey <5341706+jakebailey@users.noreply.github.com>
This commit is contained in:
TypeScript Bot
2025-02-20 13:15:03 -08:00
committed by GitHub
parent 420ff069f7
commit f4a3a8ae67
10 changed files with 341 additions and 89 deletions
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8
src/compiler/checker.ts
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@@ -47830,11 +47830,10 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
}
checkGrammarModifiers(node);
const isImportEquals = isInternalModuleImportEqualsDeclaration(node);
if (compilerOptions.erasableSyntaxOnly && isImportEquals && !(node.flags & NodeFlags.Ambient)) {
if (compilerOptions.erasableSyntaxOnly && !(node.flags & NodeFlags.Ambient)) {
error(node, Diagnostics.This_syntax_is_not_allowed_when_erasableSyntaxOnly_is_enabled);
}
if (isImportEquals || checkExternalImportOrExportDeclaration(node)) {
if (isInternalModuleImportEqualsDeclaration(node) || checkExternalImportOrExportDeclaration(node)) {
checkImportBinding(node);
markLinkedReferences(node, ReferenceHint.ExportImportEquals);
if (node.moduleReference.kind !== SyntaxKind.ExternalModuleReference) {
@@ -47975,6 +47974,9 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
return;
}
if (compilerOptions.erasableSyntaxOnly && !(node.flags & NodeFlags.Ambient)) {
error(node, Diagnostics.This_syntax_is_not_allowed_when_erasableSyntaxOnly_is_enabled);
}
const container = node.parent.kind === SyntaxKind.SourceFile ? node.parent : node.parent.parent as ModuleDeclaration;
if (container.kind === SyntaxKind.ModuleDeclaration && !isAmbientModule(container)) {
if (node.isExportEquals) {