@intuitionrobotics/ts-common/utils/version-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.compareVersions = compareVersions;
const index_1 = require("../index");
/**
 *
 * @param firstVersion a version
 * @param secondVersion another version
 *
 * @return -1 if first is greater
 *          0 if versions match
 *          1 if second is greater
 */
function compareVersions(firstVersion, secondVersion) {
    if (!firstVersion)
        throw new index_1.BadImplementationException("First version is undefined");
    if (!secondVersion)
        throw new index_1.BadImplementationException("Second version is undefined");
    const firstVersionAsArray = firstVersion.split("\.");
    const secondVersionAsArray = secondVersion.split("\.");
    for (let i = 0; i < firstVersionAsArray.length; i++) {
        const secondVal = +secondVersionAsArray[i];
        const firstVal = +firstVersionAsArray[i];
        if (secondVal > firstVal)
            return 1;
        if (secondVal === firstVal)
            continue;
        if (secondVal < firstVal)
            return -1;
    }
    return 0;
}
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