Function combineSignaturesOfIntersectionMembers

test/fixtures/snapshot/typescript.js:73241–73261

(left, right)

            return params;
        }
        function combineSignaturesOfIntersectionMembers(left, right) {
            var typeParams = left.typeParameters || right.typeParameters;
            var paramMapper;
            if (left.typeParameters && right.typeParameters) {
                paramMapper = createTypeMapper(right.typeParameters, left.typeParameters);
                // We just use the type parameter defaults from the first signature
            }
            var declaration = left.declaration;
            var params = combineIntersectionParameters(left, right, paramMapper);
            var thisParam = combineIntersectionThisParam(left.thisParameter, right.thisParameter, paramMapper);
            var minArgCount = Math.max(left.minArgumentCount, right.minArgumentCount);
            var result = createSignature(declaration, typeParams, thisParam, params, 
            /*resolvedReturnType*/ undefined, 
            /*resolvedTypePredicate*/ undefined, minArgCount, (left.flags | right.flags) & 39 /* SignatureFlags.PropagatingFlags */);
            result.compositeKind = 2097152 /* TypeFlags.Intersection */;
            result.compositeSignatures = ts.concatenate(left.compositeKind === 2097152 /* TypeFlags.Intersection */ && left.compositeSignatures || [left], [right]);
            if (paramMapper) {
                result.mapper = left.compositeKind === 2097152 /* TypeFlags.Intersection */ && left.mapper && left.compositeSignatures ? combineTypeMappers(left.mapper, paramMapper) : paramMapper;
            }
            return result;
        }
        // If the given type is an object or union type with a single signature, and if that signature has at
        // least as many parameters as the given function, return the signature. Otherwise return undefined.
        function getContextualCallSignature(type, node) {