getErrorMessage()

in docs-content/examples-source/material/form-field/form-field-error/form-field-error-example.ts [13:19]

• 6 lines of code
• 3 McCabe index (conditional complexity)

  getErrorMessage() {
    if (this.email.hasError('required')) {
      return 'You must enter a value';
    }

    return this.email.hasError('email') ? 'Not a valid email' : '';
  }