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Use non-diagnostics-producing typechecker to get type

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This commit is contained in:
Benjamin Lichtman 2018-08-29 15:54:19 -07:00
parent 97e539339d
commit bb892d951d
1 changed files with 4 additions and 3 deletions
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7
src/services/suggestionDiagnostics.ts
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@ -3,7 +3,7 @@ namespace ts {
export function computeSuggestionDiagnostics(sourceFile: SourceFile, program: Program, cancellationToken: CancellationToken): DiagnosticWithLocation[] {
program.getSemanticDiagnostics(sourceFile, cancellationToken);
const diags: DiagnosticWithLocation[] = [];
const checker = program.getDiagnosticsProducingTypeChecker();
const checker = program.getTypeChecker();
if (sourceFile.commonJsModuleIndicator &&
(programContainsEs6Modules(program) || compilerOptionsIndicateEs6Modules(program.getCompilerOptions())) &&
@ -115,11 +115,12 @@ namespace ts {
function addConvertToAsyncFunctionDiagnostics(node: FunctionLikeDeclaration, checker: TypeChecker, diags: DiagnosticWithLocation[]): void {
const functionType = node.type ? checker.getTypeFromTypeNode(node.type) : undefined;
if (isAsyncFunction(node) || !node.body || !functionType) {
if (isAsyncFunction(node) || !node.body) {
return;
}
const functionType = checker.getTypeAtLocation(node);
const callSignatures = checker.getSignaturesOfType(functionType, SignatureKind.Call);
const returnType = callSignatures.length ? checker.getReturnTypeOfSignature(callSignatures[0]) : undefined;