Angular - Page 3

Creating Reusable Components in Angular

Creating Reusable Components in Angular

Posted Oct 9, 2018 | | By Maina Wycliffe | Angular
In this post, we are going to look at tips you can use to make your components more reusable. Reusing components allows developers to avoid code duplication, which can introduce errors and bugs and are also hard to troubleshoot. Take for instance a …
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Angular Material 7 and CDK News and Updates

Angular Material 7 and CDK News and Updates

Posted Oct 5, 2018 | | By Maina Wycliffe | Angular
In this post, we are going to take a closer look at changes we expect on both Angular Material 7 and Content Development Kit(CDK). While this two are separate packages, they often go hand in hand, as Angular Material relies on some packages found in …
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A Closer Look at the Drag and Drop Feature for Angular 7 CDK

A Closer Look at the Drag and Drop Feature for Angular 7 CDK

Posted Oct 3, 2018 | | By Maina Wycliffe | Angular
In this post, we are going to take a close look at the drag and drop feature coming to Angular 7 Content Development Kit (CDK). We are getting closer to the release of Angular 7, so it is only fair to see what is in store for us. You can learn more …
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Using App Shell to Improve Performance – Angular 6

Using App Shell to Improve Performance – Angular 6

Posted Oct 1, 2018 | | By Maina Wycliffe | Angular
Angular apps take time to show meaningful content to the user. This time is mainly after loading the index.html page and bootstrapping the app. This is especially worse on lower end devices or slower networks, where it takes longer to get the all …
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Role Based Authorization in Angular – Route Guards

Role Based Authorization in Angular – Route Guards

Posted Sep 28, 2018 | | By Maina Wycliffe | Angular
In this post, we are going to use Route Guards to determine which user can and can not access certain pages. It is common to have multiple user roles such as guest, author, editor, admin for a blogging site such as this one. Therefore, it is …
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Docker Compose - Angular Multi Environment Deployments

Docker Compose - Angular Multi Environment Deployments

Posted Sep 26, 2018 | | By Maina Wycliffe | Angular
In a previous post, we covered how to use multiple dockerfile to target different environments for an angular app. In this post, we are going to take things a bit further along using docker compose. We shall use multiple docker compose configuration …
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Attaching Authorization Token Headers in Angular 6

Attaching Authorization Token Headers in Angular 6

Posted Sep 23, 2018 | | By Maina Wycliffe | Angular
In a previous post here, we looked at how to intercept HTTP unauthorized responses, and refresh authorization tokens and resend the original request, with the new authorization token. This had me thinking, what if you wanted to be more proactive. In …
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Cool Password Validation – Angular Reactive Forms

Cool Password Validation – Angular Reactive Forms

Posted Sep 18, 2018 | | By Maina Wycliffe | Angular
In this post, we are going to be creating a simple signup form, with email, password and confirm password controls. We will then validate the data to ensure it fulfills our requirement before a user can submit the form. We are going to enforce the …
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Angular 7 Spotlight – News and Updates

Angular 7 Spotlight – News and Updates

Posted Sep 17, 2018 | | By Maina Wycliffe | Angular
We are about a month or less for the official release of Angular 7. Today, we are going to take a closer look at what to expect in Angular 7, Angular Material and how you can try out the new version of Angular. So, without further ado. Angular 7 and …
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Logging HTTP Response Times in Angular

Logging HTTP Response Times in Angular

Posted Sep 15, 2018 | | By Maina Wycliffe | Angular
Most API and Backend Services have a metric service to measure to measure request response times. The one downside of this is, it doesn’t consider network latency, or how the device capability is affecting the performance of your web app. This is …
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ngFor – Working with Large Lists in Angular

ngFor – Working with Large Lists in Angular

Posted Sep 14, 2018 | | By Maina Wycliffe | Angular
ngFor is directive that iterates through a list of data and instantiates a template for each item in the list. It does an amazing job when dealing with small list. The issue with ngFor is that it loads everything on DOM, which is slow – possibly …
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Service Worker – Optimizing the Performance of an Angular App

Service Worker – Optimizing the Performance of an Angular App

Posted Sep 12, 2018 | | By Maina Wycliffe | Angular
Basically, a service worker intercepts all outgoing http requests sent by your application on the browser. You can choose which request to respond to by using a set of rules (policies) to guide the service worker on how to handle different requests. …
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