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TypeScript definition for factory function


TypeScript definition for factory function

By : user2955819
Date : November 22 2020, 10:48 AM
this one helps. I'm seeking guidance on creating a class declaration in a .d.ts file. , You need something that is creatable and then its smooth sailing:
code :
interface Creator<T> {
    new (): T;
}
function factory<T>( arg: Creator<T> ): T {
    return new arg();
}


// Usage: 
class Foo {
    something = 123;
}
var foo = factory( Foo ); // foo:Foo


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Typescript generics with factory function

Typescript generics with factory function


By : Khairunnisah Ryuzaki
Date : March 29 2020, 07:55 AM
With these it helps I have a class that I want to extend with a factory class that will return the correct class based on the input. , Do this:
code :
class Test<T> extends factory(param)<T> { }
class Test extends factory(param)<string>()
Run factory function on import in TypeScript?

Run factory function on import in TypeScript?


By : Firefly
Date : March 29 2020, 07:55 AM
should help you out import has strict syntax that lets it be statically analyzed, it cannot contain expressions.
Since debug is CommonJS module that exports a function and not an object, it requires special treatment when being imported.
code :
import * as debugFactory from "debug";
const debug = debugFactory("debug:namespace");
import debugFactory = require("debug");
const debug = debugFactory("debug:namespace");
import debugFactory from "debug";
const debug = debugFactory("debug:namespace");
// inside async function
const debug = (await import("debug"))("debug:namespace");
Typescript third party definition file - class missing method definition - how do I expand the definition?

Typescript third party definition file - class missing method definition - how do I expand the definition?


By : Joshua B Teves
Date : March 29 2020, 07:55 AM
I hope this helps you . The general idea would be to use a module augmentation, which would look something like this:
code :
declare module "bitbox-javascript-sdk/lib/HDNode" { 
  interface HDNode { 
    createAccount(hdNodes: any): any;
  }
}
Factory function syntax in typescript

Factory function syntax in typescript


By : Evan F.
Date : March 29 2020, 07:55 AM
I wish did fix the issue. 1st c is declaration that collection variable have to extend ICustomer (in app you can have VIPCustomer, MegaCustomer...)
Then 2nd c is just safetyguard that constructor of c is 100% extending ICustomer (returning this object into cust)
Multiple definition of virtual function while implementing Factory Pattern

Multiple definition of virtual function while implementing Factory Pattern


By : Jiyong Yu
Date : March 29 2020, 07:55 AM
it should still fix some issue If you want to override connect in SocketConnection then you have to declare it in the class definition:
code :
namespace Connection
{
    class SocketConnection : public Connection
    {
        public:
            SocketConnection();
            ~SocketConnection();
             virtual int connect(); // virtual is not required here but it doesn't hurt
    }
}
namespace Connection
{
    SocketConnection::SocketConnection() { }
    SocketConnection::~SocketConnection() { }

    int SocketConnection::connect()
    {
        //Design of socket connection
    }
}
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