When trying to utilize angular's IHttpService, I am unsure of how to manage the following function.
interface IHttpService {
<T>(config: IRequestConfig): IHttpPromise<T>;
}
class MyHttpService implements IHttpService
{
// The code below is not functioning
<T>(config: IRequestConfig): IHttpPromise<T>
{
}
}
Can this be achieved?
Attempting to achieve that functionality within a TypeScript class is not possible. It is recommended to resort to utilizing a basic function instead.
It is important to note that not all interfaces specified in TypeScript are compatible with implementation via a TypeScript class. This particular scenario exemplifies that limitation.
It is important to follow basarat's advice and utilize a regular function when implementing the IHttpService interface.
For future guidance, here is an example of how to implement the interface and incorporate it in Angular:
interface IRequestConfig {}
interface IHttpPromise<T> {
then: (resolve?: (value: T) => any, reject?) => IHttpPromise<T>;
}
interface IHttpService {
<T>(config: IRequestConfig): IHttpPromise<T>;
}
function MyHttpService<T>(config: IRequestConfig): IHttpPromise<T>{
// Define the service's behavior in this function.
}
angular.module('MyModule')
.service('MyHttpService', MyHttpService)
.controller('MyController', function(MyHttpService: IHttpService){
MyHttpService<MyType>({
// Implement your `IRequestConfig` details here.
}).then(function(value){
// Access the properties of 'value' here.
});
});
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