Function checkMappedType

test/fixtures/snapshot/typescript.js:80803–80820

(node)

            checkIndexedAccessIndexType(getTypeFromIndexedAccessTypeNode(node), node);
        }
        function checkMappedType(node) {
            checkGrammarMappedType(node);
            checkSourceElement(node.typeParameter);
            checkSourceElement(node.nameType);
            checkSourceElement(node.type);
            if (!node.type) {
                reportImplicitAny(node, anyType);
            }
            var type = getTypeFromMappedTypeNode(node);
            var nameType = getNameTypeFromMappedType(type);
            if (nameType) {
                checkTypeAssignableTo(nameType, keyofConstraintType, node.nameType);
            }
            else {
                var constraintType = getConstraintTypeFromMappedType(type);
                checkTypeAssignableTo(constraintType, keyofConstraintType, ts.getEffectiveConstraintOfTypeParameter(node.typeParameter));
            }
        }
        function checkGrammarMappedType(node) {
            var _a;
            if ((_a = node.members) === null || _a === void 0 ? void 0 : _a.length) {