29 lines
1.0 KiB
TypeScript
29 lines
1.0 KiB
TypeScript
///
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/// Copyright © 2016-2019 The Thingsboard Authors
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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 {Pipe, PipeTransform} from '@angular/core';
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@Pipe({ name: 'highlight' })
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export class HighlightPipe implements PipeTransform {
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transform(text: string, search): string {
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const pattern = search
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.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, '\\$&');
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const regex = new RegExp('^' + pattern, 'i');
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return search ? text.replace(regex, match => `<b>${match}</b>`) : text;
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}
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}
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