Form Errors

screenshot of Form Errors

Angular 2 Form Errors: A component that is designed to show and hide messages based on the state of a key/value object. via @AngularClass

Overview

AngularClass Form Errors is a dynamic component designed to enhance the user experience by providing real-time feedback on form validation. With its ability to show and hide error messages based on a key/value object, this component simplifies error handling in both template-driven and reactive forms.

The component has evolved through its versions, moving from the old form API in its 1.x.x releases to the more robust new forms API in 2.x.x. This progression ensures compatibility with the latest Angular practices while keeping the user experience at the forefront.

Features

  • Dynamic Error Messaging: Automatically shows or hides error messages based on the state of the form control, enhancing user feedback.
  • Key/Value Object Input: Takes an error object where keys correspond to error types and values denote the respective messages, making it easily customizable.
  • Control Attribute: Specifies the name of the control to monitor, allowing for targeted error management.
  • Template Driven Forms Support: Easily integrates with template-driven forms using ng-content, enabling straightforward implementation.
  • Default Control Binding: Automatically utilizes the control next to the directive, streamlining the development process for developers.
typescript
Typescript

TypeScript is a superset of JavaScript, providing optional static typing, classes, interfaces, and other features that help developers write more maintainable and scalable code. TypeScript's static typing system can catch errors at compile-time, making it easier to build and maintain large applications.