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dscheerens / injection-token-factory-builder.ts
Created Aug 15, 2019
Builder pattern applied to InjectionToken factory functions
View injection-token-factory-builder.ts
// ========================================
// 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
dscheerens / observe-property.ts
Last active Sep 30, 2019
Property observe function
View observe-property.ts
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.
*/
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