message: docs: correct types in transform method to match specification.
  PR Close
diff: @@ -11,8 +11,7 @@ import { Pipe, PipeTransform } from '@angular/core';
  */
  @Pipe({name: 'exponentialStrength'})
  export class ExponentialStrengthPipe implements PipeTransform {
  - transform(value: number, exponent: string): number {
  - let exp = parseFloat(exponent);
  - return Math.pow(value, isNaN(exp) ? 1 : exp);
  + transform(value: number, exponent?: number): number {
  + return Math.pow(value, isNaN(exponent) ? 1 : exponent);
  }
  }
  