You can use an Angular pipe in the view to simply convert or transform any value to a desired value. There are no limitations to how you structure the pipe. Angular automatically detects the | sign in the template and turns the value in front of it to an input. To create a pipe, you must import the decorator and provide a name (see custom-pipe.ts), as shown:
import { Pipe, PipeTransform } from '@angular/core';
@Pipe({name: 'userExtract'})
The input from the template is the following value parameter:
transform(value: any, arg) : any {
The value returned by the transform method will be the output to the view, as shown in the following code:
return newVal;
In this example, you are taking a parameter for the pipe to process, ...
