hybrid-types-interfaces.js

interface CarDelivery {
    (string): TeslaModelS,
    getCustomerDetails (): string,
    price: number,
    trackDelivery (): string
}

function manufactureCar (type: string): CarDelivery {
    const model = <CarDelivery> function (type: string) {
        // get the model of type as mentioned in the argument
    }
    model.getCustomerDetails = function () {
        // get the details of customer who has purchased this model
        return 'customer details'
    }
    model.price = 100000
    model.trackDelivery = function () {
        // track the delivery of the model
        return 'tracking address'
    }
    return model
}
let tesla = manufactureCar('tesla')
tesla() // tesla is a function
tesla.getCustomerDetails() // getCustomerDetails is a property defined on function