New packages org (#2639)

New packages org

lib/core/services/highlight-transform.service.ts

@@ -0,0 +1,44 @@
+/*!
+ * @license
+ * Copyright 2016 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export interface HightlightTransformResult {
+    text: string;
+    changed: boolean;
+}
+export class HighlightTransformService {
+
+    public highlight(text: string, search: string, wrapperClass: string = 'highlight'): HightlightTransformResult {
+        let isMatching = false,
+            result = text;
+
+        if (search && text) {
+            let pattern = search.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, '\\$&');
+            pattern = pattern.split(' ').filter((t) => {
+                return t.length > 0;
+            }).join('|');
+
+            const regex = new RegExp(pattern, 'gi');
+            result = text.replace(regex, (match) => {
+                isMatching = true;
+                return `<span class="${wrapperClass}">${match}</span>`;
+            });
+            return { text: result, changed: isMatching};
+        } else {
+            return { text: result, changed: isMatching};
+        }
+    }
+}