@jf/factory

@jf/factory

Simple class factory and registry for using with dependency injection.

Usage

Dependency injection

class MyClass
{
    log()
    {
        console.log('MyClass');
    }
}

class Main
{
    log()
    {
        factory.create('MyClass').log();
    }
}

const factory = Factory.i(); // Or `new Factory()`;
factory.register('MyClass', MyClass);
new Main().log(); // MyClass

//-----------------------------------------------------------------------------
// Somebody need modify MyClass behavior and to replace all uses of MyClass
//-----------------------------------------------------------------------------
class MyOtherClass extends MyClass
{
    log()
    {
        console.log('MyOtherClass');
    }
}
factory.register('MyClass', MyOtherClass);
new Main().log(); // MyOtherClass

Several factories

//-----------------------------------------------------------------------------
// Factory for services.
//-----------------------------------------------------------------------------
const services = Factory.i('services');
service.register('api/projects', ApiProjects);

//-----------------------------------------------------------------------------
// Factory for models.
//-----------------------------------------------------------------------------
const models = Factory.i('models');
models.register('Project', Project);

//-----------------------------------------------------------------------------
// In other file.
//-----------------------------------------------------------------------------
const service = Factory.i('services').create(
    'api/projects',
    { 
        model : Factory.i('models').create('Project'),
        path  : '/api/v1/projects' 
    }
);