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RxjsExample

In this course we will present a simple implementation of RxJS Observable, Subject and Pipe method of Observable.

The presentation of this course is RxJS.pptx

Code Examples

Under src folder you will find 2 inner folders implementation and usage

Under implementation folder, you will find a simple implementation of the core classes and structures that RxJS uses.

For example:

Observable

import { Observer, ObserverHandlers } from "./observer";

export type SubscribeLogic = (observer: Observer) => any;

export class Observable {
    subscribeLogic: Function;

    constructor(subscribeLogic: SubscribeLogic) {
        this.subscribeLogic = subscribeLogic;
    }

    subscribe(observerHandlers: ObserverHandlers) {
        const observer = new Observer(observerHandlers);
        const unsubscribeLogic = this.subscribeLogic(observer);
        observer.unsubscribeLogic = unsubscribeLogic;

        return {
            unsubscribe() {
                observer.unsubscribe();
            }
        };
    }
}

Under usage folder, you will find examples of how to use Rxjs Observable, Subject and Operatos.