Function getTypeDefinitionAtPosition

test/fixtures/snapshot/typescript.js:139872–139891

(typeChecker, sourceFile, position)

        GoToDefinition.getReferenceAtPosition = getReferenceAtPosition;
        /// Goto type
        function getTypeDefinitionAtPosition(typeChecker, sourceFile, position) {
            var node = ts.getTouchingPropertyName(sourceFile, position);
            if (node === sourceFile) {
                return undefined;
            }
            if (ts.isImportMeta(node.parent) && node.parent.name === node) {
                return definitionFromType(typeChecker.getTypeAtLocation(node.parent), typeChecker, node.parent, /*failedAliasResolution*/ false);
            }
            var _a = getSymbol(node, typeChecker, /*stopAtAlias*/ false), symbol = _a.symbol, failedAliasResolution = _a.failedAliasResolution;
            if (!symbol)
                return undefined;
            var typeAtLocation = typeChecker.getTypeOfSymbolAtLocation(symbol, node);
            var returnType = tryGetReturnTypeOfFunction(symbol, typeAtLocation, typeChecker);
            var fromReturnType = returnType && definitionFromType(returnType, typeChecker, node, failedAliasResolution);
            // If a function returns 'void' or some other type with no definition, just return the function definition.
            var typeDefinitions = fromReturnType && fromReturnType.length !== 0 ? fromReturnType : definitionFromType(typeAtLocation, typeChecker, node, failedAliasResolution);
            return typeDefinitions.length ? typeDefinitions
                : !(symbol.flags & 111551 /* SymbolFlags.Value */) && symbol.flags & 788968 /* SymbolFlags.Type */ ? getDefinitionFromSymbol(typeChecker, ts.skipAlias(symbol, typeChecker), node, failedAliasResolution)
                    : undefined;
        }
        GoToDefinition.getTypeDefinitionAtPosition = getTypeDefinitionAtPosition;
        function definitionFromType(type, checker, node, failedAliasResolution) {
            return ts.flatMap(type.isUnion() && !(type.flags & 32 /* TypeFlags.Enum */) ? type.types : [type], function (t) {