Function getExpandedParameters

test/fixtures/snapshot/typescript.js:58006–58034

(sig, skipUnionExpanding)

            return result;
        }
        function getExpandedParameters(sig, skipUnionExpanding) {
            if (signatureHasRestParameter(sig)) {
                var restIndex_1 = sig.parameters.length - 1;
                var restType = getTypeOfSymbol(sig.parameters[restIndex_1]);
                if (isTupleType(restType)) {
                    return [expandSignatureParametersWithTupleMembers(restType, restIndex_1)];
                }
                else if (!skipUnionExpanding && restType.flags & 1048576 /* TypeFlags.Union */ && ts.every(restType.types, isTupleType)) {
                    return ts.map(restType.types, function (t) { return expandSignatureParametersWithTupleMembers(t, restIndex_1); });
                }
            }
            return [sig.parameters];
            function expandSignatureParametersWithTupleMembers(restType, restIndex) {
                var elementTypes = getTypeArguments(restType);
                var associatedNames = restType.target.labeledElementDeclarations;
                var restParams = ts.map(elementTypes, function (t, i) {
                    // Lookup the label from the individual tuple passed in before falling back to the signature `rest` parameter name
                    var tupleLabelName = !!associatedNames && getTupleElementLabel(associatedNames[i]);
                    var name = tupleLabelName || getParameterNameAtPosition(sig, restIndex + i, restType);
                    var flags = restType.target.elementFlags[i];
                    var checkFlags = flags & 12 /* ElementFlags.Variable */ ? 32768 /* CheckFlags.RestParameter */ :
                        flags & 2 /* ElementFlags.Optional */ ? 16384 /* CheckFlags.OptionalParameter */ : 0;
                    var symbol = createSymbol(1 /* SymbolFlags.FunctionScopedVariable */, name, checkFlags);
                    symbol.type = flags & 4 /* ElementFlags.Rest */ ? createArrayType(t) : t;
                    return symbol;
                });
                return ts.concatenate(sig.parameters.slice(0, restIndex), restParams);
            }
        }
        function getDefaultConstructSignatures(classType) {
            var baseConstructorType = getBaseConstructorTypeOfClass(classType);
            var baseSignatures = getSignaturesOfType(baseConstructorType, 1 /* SignatureKind.Construct */);