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48 lines
1.6 KiB
TypeScript
48 lines
1.6 KiB
TypeScript
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/**
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* Copyright (c) Microsoft Corporation.
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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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export function linkifyText(description: string) {
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const CONTROL_CODES = '\\u0000-\\u0020\\u007f-\\u009f';
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const WEB_LINK_REGEX = new RegExp('(?:[a-zA-Z][a-zA-Z0-9+.-]{2,}:\\/\\/|www\\.)[^\\s' + CONTROL_CODES + '"]{2,}[^\\s' + CONTROL_CODES + '"\')}\\],:;.!?]', 'ug');
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const result = [];
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let currentIndex = 0;
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let match;
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while ((match = WEB_LINK_REGEX.exec(description)) !== null) {
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const stringBeforeMatch = description.substring(currentIndex, match.index);
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if (stringBeforeMatch)
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result.push(stringBeforeMatch);
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const value = match[0];
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result.push(renderLink(value));
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currentIndex = match.index + value.length;
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}
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const stringAfterMatches = description.substring(currentIndex);
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if (stringAfterMatches)
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result.push(stringAfterMatches);
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return result;
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}
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function renderLink(text: string) {
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let link = text;
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if (link.startsWith('www.'))
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link = 'https://' + link;
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return <a href={link} target='_blank' rel='noopener noreferrer'>{text}</a>;
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}
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