mirror of
https://github.com/Alfresco/alfresco-ng2-components.git
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fec2b89b2d
* fix unrelated failing test improve type definition add set get filtering node selector fix directive highlight fix minor problem style breadcrumb small refactoring problem documentlist * fix lint style * fix html node * fix test
59 lines
2.0 KiB
TypeScript
59 lines
2.0 KiB
TypeScript
/*!
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* @license
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* Copyright 2016 Alfresco Software, Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { Injectable } from '@angular/core';
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export interface HighlightTransformResult {
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text: string;
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changed: boolean;
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}
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@Injectable({
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providedIn: 'root'
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})
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export class HighlightTransformService {
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/**
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* Searches for `search` string(s) within `text` and highlights all occurrences.
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* @param text Text to search within
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* @param search Text pattern to search for
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* @param wrapperClass CSS class used to provide highlighting style
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* @returns New text along with boolean value to indicate whether anything was highlighted
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*/
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public highlight(text: string, search: string, wrapperClass: string = 'adf-highlight'): HighlightTransformResult {
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let isMatching = false,
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result = text;
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if (search && text) {
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let pattern = search.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, '\\$&');
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pattern = pattern.split(' ').filter((t) => {
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return t.length > 0;
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}).join('|');
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const regex = new RegExp(pattern, 'gi');
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result = text.replace(/<[^>]+>/g, '').replace(regex, (match) => {
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isMatching = true;
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return `<span class="${wrapperClass}">${match}</span>`;
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});
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return { text: result, changed: isMatching };
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} else {
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return { text: result, changed: isMatching };
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}
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}
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}
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