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import Instantiable from '../../../di/src/type/Instantiable.ts'
import {DependencyKey} from '../../../di/src/type/DependencyKey.ts'
import {make} from '../../../di/src/global.ts'
import Application from '../lifecycle/Application.ts'
/**
* Base type for a class that supports binding methods by string.
*/
export interface Bindable {
get_bound_method(method_name: string): (...args: any[]) => any
}
/**
* Returns true if the given object is bindable.
* @param what
* @return boolean
*/
export function isBindable(what: any): what is Bindable {
return (
what
&& typeof what.get_bound_method === 'function'
&& what.get_bound_method.length === 1
&& typeof what.get_bound_method('get_bound_method') === 'function'
)
}
/**
* Base class for Daton-interactive classes. Provides helpful utilities for accessing
* the underlying application and IoC container.
*/
export default class AppClass {
/**
* Use the IoC container to create an instance of the given class.
* @param {Instantiable|DependencyKey} target - the key to instantiate
* @param {...any} parameters - parameters to pass to the constructor
*/
protected static make<T>(target: Instantiable<T>|DependencyKey, ...parameters: any[]) {
return make(target, ...parameters)
}
/**
* Get the Daton app.
* @type Application
*/
protected static get app() {
return make(Application)
}
/**
* Use the IoC container to create an instance of the given class.
* @param {Instantiable|DependencyKey} target - the key to instantiate
* @param {...any} parameters - parameters to pass to the constructor
*/
protected make<T>(target: Instantiable<T>|DependencyKey, ...parameters: any[]) {
return make(target, ...parameters)
}
/**
* Get the Daton app.
* @type Application
*/
protected get app() {
return make(Application)
}
/**
* Get the method with the given name from this class, bound to this class.
* @param {string} method_name
* @return function
*/
public get_bound_method(method_name: string): (...args: any[]) => any {
// @ts-ignore
if ( typeof this[method_name] !== 'function' ) {
throw new TypeError(`Attempt to get bound method for non-function type: ${method_name}`)
}
return (...args: any[]): any => {
// @ts-ignore
return this[method_name](...args)
}
}
}