Function isMixinConstructorType

test/fixtures/snapshot/typescript.js:57057–57067

(type)

        // A type is a mixin constructor if it has a single construct signature taking no type parameters and a single
        // rest parameter of type any[].
        function isMixinConstructorType(type) {
            var signatures = getSignaturesOfType(type, 1 /* SignatureKind.Construct */);
            if (signatures.length === 1) {
                var s = signatures[0];
                if (!s.typeParameters && s.parameters.length === 1 && signatureHasRestParameter(s)) {
                    var paramType = getTypeOfParameter(s.parameters[0]);
                    return isTypeAny(paramType) || getElementTypeOfArrayType(paramType) === anyType;
                }
            }
            return false;
        }
        function isConstructorType(type) {
            if (getSignaturesOfType(type, 1 /* SignatureKind.Construct */).length > 0) {
                return true;