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Fix errors on type assertions in erasableSyntaxOnly (#61452)

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This commit is contained in:
Daniel Rosenwasser
2025-03-19 16:25:22 -07:00
committed by GitHub
parent ee3dd7264b
commit 4dc677b292
6 changed files with 87 additions and 2 deletions
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4
src/compiler/checker.ts
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@@ -37316,8 +37316,8 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
grammarErrorOnNode(node, Diagnostics.This_syntax_is_reserved_in_files_with_the_mts_or_cts_extension_Use_an_as_expression_instead);
}
if (compilerOptions.erasableSyntaxOnly) {
const start = node.type.pos - "<".length;
const end = skipTrivia(file.text, node.type.end) + ">".length;
const start = skipTrivia(file.text, node.pos);
const end = node.expression.pos;
diagnostics.add(createFileDiagnostic(file, start, end - start, Diagnostics.This_syntax_is_not_allowed_when_erasableSyntaxOnly_is_enabled));
}
}