form field validation (much better error messages)

src-ui/src/app/components/common/input/number/number.component.ts

@@ -0,0 +1,21 @@
+import { Component, forwardRef } from '@angular/core';
+import { NG_VALUE_ACCESSOR } from '@angular/forms';
+import { AbstractInputComponent } from '../abstract-input';
+
+@Component({
+  providers: [{
+    provide: NG_VALUE_ACCESSOR,
+    useExisting: forwardRef(() => NumberComponent),
+    multi: true
+  }],
+  selector: 'app-input-number',
+  templateUrl: './number.component.html',
+  styleUrls: ['./number.component.scss']
+})
+export class NumberComponent extends AbstractInputComponent<number> {
+
+  constructor() {
+    super()
+  }
+
+}