dscheerens

// eslint-disable-next-line @typescript-eslint/no-explicit-any
export interface CachedDecoratorOptions<FunctionArguments extends any[]> {
    keyGenerator?: CacheKeyGenerator<FunctionArguments>;
    cache?: CacheFactory;
}

export type CacheKeyGenerator<T extends any[]> = (...args: T) => unknown; // eslint-disable-line @typescript-eslint/no-explicit-any

export interface Cache {
    get(cacheKey: unknown): unknown;

dscheerens

import { Subscription } from 'rxjs';

const GLOBAL_COMPONENT_SUBSCRIPTIONS = new WeakMap<any, Set<Subscription>>();

export function NgInit<
    TargetType extends { constructor: Function, ngOnInit?(): void, ngOnDestroy?(): void },
    PropertyKey extends string,
    PropertyContainer extends { [k in PropertyKey]: () => (void | Subscription) },
    FunctionType extends PropertyContainer[PropertyKey]
>(

dscheerens

const GLOBAL_MEMOIZATION_MAP = new WeakMap<object, Map<string, unknown>>();

// tslint:disable-next-line:ban-types
export function Memoize<T extends { constructor: Function }>(
    target: T,
    propertyKey: string,
    descriptor: PropertyDescriptor,
): PropertyDescriptor {
    const originalGet = descriptor.get; // tslint:disable-line: no-unbound-method

dscheerens

const TRANSLATION_KEY_PLACEHOLDER = Symbol('TRANSLATION_KEY_PLACEHOLDER');
type TranslationKeyPlaceholder = typeof TRANSLATION_KEY_PLACEHOLDER;

export interface TranslationStructure {
    [key: string]: TranslationStructure | TranslationKeyPlaceholder;
}

export type TranslationKeysOf<T extends TranslationStructure> = {
    [P in keyof T]: T[P] extends TranslationStructure ? TranslationKeysOf<T[P]> : string
};

dscheerens

// ========================================
// app-module.ts
// ========================================
import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';

import { AppComponent } from './app.component';
import { NumbersModule } from './numbers';

@NgModule({

dscheerens

import { BehaviorSubject, Observable } from 'rxjs';

/**
 * Observes the specified property and returns a stream that emits all values which are assigned to the property. When subscribing to the
 * resulting stream it will always first emit the current value of the property, followed by all new values that are assigned to it.
 *
 * @param   target Object containing the property.
 * @param   key    Key of the property that is to be observed.
 * @returns        A stream of all values that are assigned to the specified property, starting with the current value of the property.
 */