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879 B
TypeScript

/**
* Copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// hash string to integer in range [0, 6] for color index, to get same color for same tag
export function hashStringToInt(str: string) {
let hash = 0;
for (let i = 0; i < str.length; i++)
hash = str.charCodeAt(i) + ((hash << 8) - hash);
return Math.abs(hash % 6);
}