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Angular News Sunday, June 17

Angular Service Worker – Step-By-Step Guide

  • Table Of Contents – – – In this post, we will cover the following topics: – – – – Step 1 – Scaffolding an Angular PWA Application using the Angular CLI – – Step 2 – Understanding How To Add Angular PWA Support Manually – – Step 3 – Understanding…
  • The first step to create an Angular PWA is to upgrade the Angular CLI to the latest version: – – – npm install -g @angular/cli@latest – – – If you want to try the latest features, it’s also possible to get the next upcoming version: – – – npm install…
  • The CLI has also included in our application root module the Service Worker module: – – – – – This module provides a couple of injectable services: – – – – SwUpdate for managing application version updates – – SwPush for doing server Web Push notifications – – – -…
  • This file contains the default caching behavior or the Angular Service Worker, which targets the application static asset files: the index.html, the CSS and Javascript bundles.
  • The goal of the assetGroups section of the configuration file is to configure exactly what HTTP requests get cached in Cache Storage by the Angular Service Worker, and there are two cache configuration entries: – – – – one entry named app, for all single page application files (all the…

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Angular Service Worker – Step-By-Step Guide

Why Angular 4 is there after Angular 2, without Angular 3

  • They dont deal with other thing is, those independent repos versions will be updated with different rates.
  • As a example before to release Angular 4, Angular 2 version repos like this: – @angular/core -v2.3.0 – @angular/compiler -v2.3.0 – – But – Because there were huge developments in router section and version updates.
  • When developers were looking for update full Angular package they could to see the repos are in different versions.
  • If new package named as Angular 3 and then repos will start to update as v3.1.0, v3.2.0 like that.
  • Then they named new package as Angular 4 skipping 3.

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Why Angular 4 is there after Angular 2, without Angular 3

Architecture in Angular projects – Cyrille Tuzi – Medium

  • Types of AngularmodulesThere are 3 main types of NgModules you can do: – modules of pages,modules of global services,modules of reusable components.Youll at least do modules of pages (otherwise your app is just empty).
  • These modules contain 3 things: – /shared: services and interfaces,/pages: routed components,/components: pure presentation components.Shared services forpagesTo display a page, you need data first.
  • But be sure your services for pages are specific to the module, because if you opt for lazy-loading, they will just be available in this particular module (which is good), and not elsewhere in app.
  • ReusabilityModules of global services are reusable through different projects if you take care to have no specific dependency in them (no UI or app specific code), and if you separate each features in different modules (do not put every service in just one big global module).
  • SummaryExample of a module of reusable UI components: – ConclusionIf you follow those steps: – youll have a consistent architecture: in small or big apps, with or without lazy-loading,your modules of global services and your modules of reusable components are ready to be packaged as libraries, reusable in other projects,youll…

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Architecture in Angular projects – Cyrille Tuzi – Medium

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