Function signatureToSignatureDeclarationHelper

test/fixtures/snapshot/typescript.js:53256–53322

(signature, kind, context, options)

                /*decorators*/ undefined, indexInfo.isReadonly ? [ts.factory.createToken(145 /* SyntaxKind.ReadonlyKeyword */)] : undefined, [indexingParameter], typeNode);
            }
            function signatureToSignatureDeclarationHelper(signature, kind, context, options) {
                var _a, _b, _c, _d;
                var suppressAny = context.flags & 256 /* NodeBuilderFlags.SuppressAnyReturnType */;
                if (suppressAny)
                    context.flags &= ~256 /* NodeBuilderFlags.SuppressAnyReturnType */; // suppress only toplevel `any`s
                context.approximateLength += 3; // Usually a signature contributes a few more characters than this, but 3 is the minimum
                var typeParameters;
                var typeArguments;
                if (context.flags & 32 /* NodeBuilderFlags.WriteTypeArgumentsOfSignature */ && signature.target && signature.mapper && signature.target.typeParameters) {
                    typeArguments = signature.target.typeParameters.map(function (parameter) { return typeToTypeNodeHelper(instantiateType(parameter, signature.mapper), context); });
                }
                else {
                    typeParameters = signature.typeParameters && signature.typeParameters.map(function (parameter) { return typeParameterToDeclaration(parameter, context); });
                }
                var expandedParams = getExpandedParameters(signature, /*skipUnionExpanding*/ true)[0];
                // If the expanded parameter list had a variadic in a non-trailing position, don't expand it
                var parameters = (ts.some(expandedParams, function (p) { return p !== expandedParams[expandedParams.length - 1] && !!(ts.getCheckFlags(p) & 32768 /* CheckFlags.RestParameter */); }) ? signature.parameters : expandedParams).map(function (parameter) { return symbolToParameterDeclaration(parameter, context, kind === 171 /* SyntaxKind.Constructor */, options === null || options === void 0 ? void 0 : options.privateSymbolVisitor, options === null || options === void 0 ? void 0 : options.bundledImports); });
                var thisParameter = tryGetThisParameterDeclaration(signature, context);
                if (thisParameter) {
                    parameters.unshift(thisParameter);
                }
                var returnTypeNode;
                var typePredicate = getTypePredicateOfSignature(signature);
                if (typePredicate) {
                    var assertsModifier = typePredicate.kind === 2 /* TypePredicateKind.AssertsThis */ || typePredicate.kind === 3 /* TypePredicateKind.AssertsIdentifier */ ?
                        ts.factory.createToken(128 /* SyntaxKind.AssertsKeyword */) :
                        undefined;
                    var parameterName = typePredicate.kind === 1 /* TypePredicateKind.Identifier */ || typePredicate.kind === 3 /* TypePredicateKind.AssertsIdentifier */ ?
                        ts.setEmitFlags(ts.factory.createIdentifier(typePredicate.parameterName), 16777216 /* EmitFlags.NoAsciiEscaping */) :
                        ts.factory.createThisTypeNode();
                    var typeNode = typePredicate.type && typeToTypeNodeHelper(typePredicate.type, context);
                    returnTypeNode = ts.factory.createTypePredicateNode(assertsModifier, parameterName, typeNode);
                }
                else {
                    var returnType = getReturnTypeOfSignature(signature);
                    if (returnType && !(suppressAny && isTypeAny(returnType))) {
                        returnTypeNode = serializeReturnTypeForSignature(context, returnType, signature, options === null || options === void 0 ? void 0 : options.privateSymbolVisitor, options === null || options === void 0 ? void 0 : options.bundledImports);
                    }
                    else if (!suppressAny) {
                        returnTypeNode = ts.factory.createKeywordTypeNode(130 /* SyntaxKind.AnyKeyword */);
                    }
                }
                var modifiers = options === null || options === void 0 ? void 0 : options.modifiers;
                if ((kind === 180 /* SyntaxKind.ConstructorType */) && signature.flags & 4 /* SignatureFlags.Abstract */) {
                    var flags = ts.modifiersToFlags(modifiers);
                    modifiers = ts.factory.createModifiersFromModifierFlags(flags | 128 /* ModifierFlags.Abstract */);
                }
                var node = kind === 174 /* SyntaxKind.CallSignature */ ? ts.factory.createCallSignature(typeParameters, parameters, returnTypeNode) :
                    kind === 175 /* SyntaxKind.ConstructSignature */ ? ts.factory.createConstructSignature(typeParameters, parameters, returnTypeNode) :
                        kind === 168 /* SyntaxKind.MethodSignature */ ? ts.factory.createMethodSignature(modifiers, (_a = options === null || options === void 0 ? void 0 : options.name) !== null && _a !== void 0 ? _a : ts.factory.createIdentifier(""), options === null || options === void 0 ? void 0 : options.questionToken, typeParameters, parameters, returnTypeNode) :
                            kind === 169 /* SyntaxKind.MethodDeclaration */ ? ts.factory.createMethodDeclaration(/*decorators*/ undefined, modifiers, /*asteriskToken*/ undefined, (_b = options === null || options === void 0 ? void 0 : options.name) !== null && _b !== void 0 ? _b : ts.factory.createIdentifier(""), /*questionToken*/ undefined, typeParameters, parameters, returnTypeNode, /*body*/ undefined) :
                                kind === 171 /* SyntaxKind.Constructor */ ? ts.factory.createConstructorDeclaration(/*decorators*/ undefined, modifiers, parameters, /*body*/ undefined) :
                                    kind === 172 /* SyntaxKind.GetAccessor */ ? ts.factory.createGetAccessorDeclaration(/*decorators*/ undefined, modifiers, (_c = options === null || options === void 0 ? void 0 : options.name) !== null && _c !== void 0 ? _c : ts.factory.createIdentifier(""), parameters, returnTypeNode, /*body*/ undefined) :
                                        kind === 173 /* SyntaxKind.SetAccessor */ ? ts.factory.createSetAccessorDeclaration(/*decorators*/ undefined, modifiers, (_d = options === null || options === void 0 ? void 0 : options.name) !== null && _d !== void 0 ? _d : ts.factory.createIdentifier(""), parameters, /*body*/ undefined) :
                                            kind === 176 /* SyntaxKind.IndexSignature */ ? ts.factory.createIndexSignature(/*decorators*/ undefined, modifiers, parameters, returnTypeNode) :
                                                kind === 317 /* SyntaxKind.JSDocFunctionType */ ? ts.factory.createJSDocFunctionType(parameters, returnTypeNode) :
                                                    kind === 179 /* SyntaxKind.FunctionType */ ? ts.factory.createFunctionTypeNode(typeParameters, parameters, returnTypeNode !== null && returnTypeNode !== void 0 ? returnTypeNode : ts.factory.createTypeReferenceNode(ts.factory.createIdentifier(""))) :
                                                        kind === 180 /* SyntaxKind.ConstructorType */ ? ts.factory.createConstructorTypeNode(modifiers, typeParameters, parameters, returnTypeNode !== null && returnTypeNode !== void 0 ? returnTypeNode : ts.factory.createTypeReferenceNode(ts.factory.createIdentifier(""))) :