Pipes API Reference
Pipe Interface
interface PipeInterface {
  transform(value: any, metadata?: any): any;
}
Example
@Pipe()
export class MyPipe implements PipeInterface {
  transform(value: any): any {
    return value.trim();
  }
}
interface PipeInterface {
  transform(value: any, metadata?: any): any;
}
@Pipe()
export class MyPipe implements PipeInterface {
  transform(value: any): any {
    return value.trim();
  }
}