Function checkGrammarImportCallExpression

test/fixtures/snapshot/typescript.js:89150–89176

(node)

            });
        }
        function checkGrammarImportCallExpression(node) {
            if (moduleKind === ts.ModuleKind.ES2015) {
                return grammarErrorOnNode(node, ts.Diagnostics.Dynamic_imports_are_only_supported_when_the_module_flag_is_set_to_es2020_es2022_esnext_commonjs_amd_system_umd_node16_or_nodenext);
            }
            if (node.typeArguments) {
                return grammarErrorOnNode(node, ts.Diagnostics.This_use_of_import_is_invalid_import_calls_can_be_written_but_they_must_have_parentheses_and_cannot_have_type_arguments);
            }
            var nodeArguments = node.arguments;
            if (moduleKind !== ts.ModuleKind.ESNext && moduleKind !== ts.ModuleKind.NodeNext) {
                // We are allowed trailing comma after proposal-import-assertions.
                checkGrammarForDisallowedTrailingComma(nodeArguments);
                if (nodeArguments.length > 1) {
                    var assertionArgument = nodeArguments[1];
                    return grammarErrorOnNode(assertionArgument, ts.Diagnostics.Dynamic_imports_only_support_a_second_argument_when_the_module_option_is_set_to_esnext_node16_or_nodenext);
                }
            }
            if (nodeArguments.length === 0 || nodeArguments.length > 2) {
                return grammarErrorOnNode(node, ts.Diagnostics.Dynamic_imports_can_only_accept_a_module_specifier_and_an_optional_assertion_as_arguments);
            }
            // see: parseArgumentOrArrayLiteralElement...we use this function which parse arguments of callExpression to parse specifier for dynamic import.
            // parseArgumentOrArrayLiteralElement allows spread element to be in an argument list which is not allowed as specifier in dynamic import.
            var spreadElement = ts.find(nodeArguments, ts.isSpreadElement);
            if (spreadElement) {
                return grammarErrorOnNode(spreadElement, ts.Diagnostics.Argument_of_dynamic_import_cannot_be_spread_element);
            }
            return false;
        }
        function findMatchingTypeReferenceOrTypeAliasReference(source, unionTarget) {
            var sourceObjectFlags = ts.getObjectFlags(source);
            if (sourceObjectFlags & (4 /* ObjectFlags.Reference */ | 16 /* ObjectFlags.Anonymous */) && unionTarget.flags & 1048576 /* TypeFlags.Union */) {