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@terminus/ui-validation-messages

v2.0.0

Published

<h1>Validation Messages</h1>

Downloads

7

Readme

CI/CD Status Codecov MIT License
NPM version Library size

Table of Contents

Installation

Packages that need to be installed

  • @angular/cdk
  • @angular/common
  • @angular/core
  • @angular/flex-layout
  • @angular/forms
  • @angular/material
  • @angular/platform-browser
  • @terminus/design-tokens
  • @terminus/fe-utilities
  • @terminus/ui-pipes
  • @terminus/ui-utilities
  • @terminus/ui-validation-messages
  • @terminus/ui-validators
  • date-fns

Use the ng add command to quickly install all the needed dependencies:

ng add @terminus/ui-validation-messages

Modules that need to be in NgModule

  • TsValidationMessagesModule

CSS imports

In your top level stylesheet, add these imports:

@import '~@terminus/design-tokens/css/library-design-tokens.css';
@import '~@terminus/ui-styles/terminus-ui.css';

CSS resources

Load the needed font families by adding this link to the <head> of your application:

<link href="https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,400;0,500;0,700;1,400&display=swap" rel="stylesheet">

Usage

This component was initially for internal use, but has been extended to support custom validation messages. Now a custom instance of this component can be passed in to override the existing validation messages.

<ts-validation-messages
  <!-- This should be the same FormControl passed to the outer form component -->
  [control]="myEmailControl"
  <!-- This is the function that will determine the messaging for errors -->
  [messagesFactory]="emailMessageFactory"
  <!-- This directive is needed to help the parent TsFormField find the custom messages -->
  tsCustomValidationMessage
></ts-validation-messages>
import { TsValidationMessageFactory } from '@terminus/ui-validation-messages';
...
emailMessageFactory: TsValidationMessageFactory = (a, b) => (a ? 'My custom message!' : null);