36 lines
1.2 KiB
TypeScript
36 lines
1.2 KiB
TypeScript
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// (C) Copyright 2015 Martin Dougiamas
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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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import { Pipe, PipeTransform } from '@angular/core';
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/**
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* Pipe to search URLs that are not inside <a> tags and add the corresponding <a> tags.
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*/
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@Pipe({
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name: 'coreCreateLinks',
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})
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export class CoreCreateLinksPipe implements PipeTransform {
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private replacePattern = /(\b(https?|ftp):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])(?![^<]*>|[^<>]*<\/)/gim;
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/**
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* Takes some text and adds anchor tags to all links that aren't inside anchors.
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*
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* @param {string} text Text to treat.
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* @return {string} Treated text.
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*/
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transform(text: string) {
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return text.replace(this.replacePattern, '<a href="$1">$1</a>');
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}
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}
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