| // Copyright (C) 2023 The Android Open Source Project |
| // |
| // 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. |
| |
| export function hash(s: string, max: number): number { |
| let hash = 0x811c9dc5 & 0xfffffff; |
| for (let i = 0; i < s.length; i++) { |
| hash ^= s.charCodeAt(i); |
| hash = (hash * 16777619) & 0xffffffff; |
| } |
| return Math.abs(hash) % max; |
| } |