@intuitionrobotics/ts-common/utils/random-tools.js

js and ts infra

"use strict";
/*
 * ts-common is the basic building blocks of our typescript projects
 *
 * Copyright (C) 2020 Intuition Robotics
 *
 * 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.
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.generateHex = generateHex;
exports.generateUUID = generateUUID;
const crypto_1 = require("crypto");
function generateHex(length) {
    return (0, crypto_1.randomBytes)(Math.ceil(length / 2))
        .toString('hex')
        .slice(0, length).toLowerCase();
}
function generateUUID() {
    return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
        const r = Math.random() * 16 | 0, v = c === 'x' ? r : (r & 0x3 | 0x8);
        return v.toString(16);
    });
}
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