2 files changed, 41 insertions, 0 deletions
diff --git a/vid-webpack-master/src/app/shared/pipes/highlight/highlight-filter.pipe.spec.ts b/vid-webpack-master/src/app/shared/pipes/highlight/highlight-filter.pipe.spec.ts
new file mode 100644
index 000000000..6c2fc42d7
--- /dev/null
+++ b/vid-webpack-master/src/app/shared/pipes/highlight/highlight-filter.pipe.spec.ts
@@ -0,0 +1,29 @@
+
+import {HighlightPipe} from "./highlight-filter.pipe";
+import {TestBed} from "@angular/core/testing";
+
+describe('Highlight Pipe', () => {
+  let highlightPipe: HighlightPipe;
+
+  beforeAll(done => (async () => {
+    TestBed.configureTestingModule({});
+    await TestBed.compileComponents();
+
+    highlightPipe = new HighlightPipe();
+
+  })().then(done).catch(done.fail));
+
+  test('Highlight Pipe should be defined', () => {
+    expect(highlightPipe).toBeDefined();
+  });
+
+  test('Highlight Pipe should return "HTML" with highlight class if match exist', () => {
+    let result : string = highlightPipe.transform('Hello World', 'Wor');
+    expect(result).toEqual('Hello <span class="highlight">Wor</span>ld');
+  });
+
+  test('Highlight Pipe should not return "HTML" with highlight class if no match exist', () => {
+    let result : string = highlightPipe.transform('Hello World', 'ABC');
+    expect(result).toEqual('Hello World');
+  });
+});
diff --git a/vid-webpack-master/src/app/shared/pipes/highlight/highlight-filter.pipe.ts b/vid-webpack-master/src/app/shared/pipes/highlight/highlight-filter.pipe.ts
new file mode 100644
index 000000000..b25458d6d
--- /dev/null
+++ b/vid-webpack-master/src/app/shared/pipes/highlight/highlight-filter.pipe.ts
@@ -0,0 +1,12 @@
+import {PipeTransform, Pipe} from '@angular/core';
+import * as _ from 'lodash';
+
+@Pipe({ name: 'highlight' })
+export class HighlightPipe implements PipeTransform {
+  transform(text: string, search: string): string {
+    if(_.isNil(text)) return text;
+    let pattern = search.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, '\\$&');
+    let regex = new RegExp(pattern, 'gi');
+    return search ? text.replace(regex, (match) => `<span class="highlight">${match}</span>`) : text;
+  }
+}