@angular/core

PipeTransform

interface

stable

An interface that is implemented by pipes in order to perform a transformation. Angular invokes the transform method with the value of a binding as the first argument, and any parameters as the second argument in list form.

API

    
      interface PipeTransform extends  {}

transform

any

@paramvalueany

@paramargsany[]

@returnsany

Usage Notes

In the following example, TruncatePipe returns the shortened value with an added ellipses.

Invoking {{ 'It was the best of times' | truncate }} in a template will produce It was....

In the following example, TruncatePipe takes parameters that sets the truncated length and the string to append with.

Invoking {{ 'It was the best of times' | truncate:4:'....' }} in a template will produce It was the best.....