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38 lines
1.3 KiB
TypeScript
38 lines
1.3 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 escapeRegExp(string: string) {
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const reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
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const reHasRegExpChar = RegExp(reRegExpChar.source);
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return (string && reHasRegExpChar.test(string))
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? string.replace(reRegExpChar, '\\$&')
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: (string || '');
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}
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// match all tags in test title
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export function matchTags(title: string): string[] {
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return title.match(/@(\w+)/g)?.map(tag => tag.slice(1)) || [];
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}
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// hash string to integer in range [0, 6] for color index, to get same color for same tag
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export function hashStringToInt(str: string) {
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let hash = 0;
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for (let i = 0; i < str.length; i++)
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hash = str.charCodeAt(i) + ((hash << 8) - hash);
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return Math.abs(hash % 6);
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}
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