Hands-On Full Stack Web Development with Angular 6 and Laravel 5

Creating a pipe filter

Pipes in Angular are a simple way to filter and transform data, very similar to the old AngularJS filter. We have some default pipes in Angular (DatePipe, UpperCasePipe, LowerCasePipe, CurrencyPipe, and PercentPipe), and we can also create our own pipes.

To create a custom pipe, we can use the Angular CLI to generate the scaffolding for us. Let's see how it works:

1. Open your Terminal window, and, inside ./Client/src/app, type the following command:

 ng g pipe pages/bikes/_pipes/bikeSearch

As always, Angular CLI takes care of creating the file and the appropriate imports.

2. Open ./Client/src/app/pages/bikes/_pipes/bike-search.pipe.ts and add the following code inside the BikeSearchPipe class:

 transform(items: any, ...