crear pipe para filtrado

src/main/webapp/app/entities/pipes/filter.ts

@@ -0,0 +1,18 @@
+import { Pipe, PipeTransform, Injectable } from '@angular/core';
+
+@Pipe({
+  name: 'filter',
+})
+@Injectable()
+export class FilterPipe implements PipeTransform {
+  transform(items: any[], field: string, value: string): any[] {
+    if (!items) {
+      return [];
+    }
+    if (!field || !value) {
+      return items;
+    }
+
+    return items.filter(singleItem => singleItem[field].toLowerCase().includes(value.toLowerCase()));
+  }
+}