| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| const splitParts = (ver_a) => { |
| const have_release = ver_a.indexOf("-") > 0; |
| const have_build = ver_a.indexOf("+") > 0; |
| if (have_release && have_build) { |
| const [core, rest] = ver_a.split("-", 2); |
| const [release, build] = rest.split("+", 2); |
| return [core, release, build]; |
| } else if (have_release) { |
| const [core, release] = ver_a.split("-", 2); |
| return [core, release, null]; |
| } else if (have_build) { |
| const [core, build] = ver_a.split("+", 2); |
| return [core, null, build]; |
| } else { |
| return [ver_a, null, null]; |
| } |
| }; |
| |
| const compareCoreVersion = (ver_a, ver_b) => { |
| const a = ver_a.split("."); |
| const b = ver_b.split("."); |
| |
| for (let i = 0; i < Math.min(a.length, b.length); i++) { |
| const cmp = a[i] - b[i]; |
| if (cmp !== 0) { |
| return Math.max(-1, Math.min(cmp, 1)); |
| } |
| } |
| const cmp = a.length - b.length; |
| return Math.max(-1, Math.min(cmp, 1)); |
| }; |
| |
| const compareString = (str_a, str_b) => { |
| if (str_a && str_b) { |
| return str_a.localeCompare(str_b); |
| } |
| if (!str_a && !str_b) { |
| return 0; |
| } |
| if (str_a) { |
| return -1; |
| } |
| return 1; |
| }; |
| |
| export const compareVersion = (ver_a, ver_b) => { |
| const [core_a, release_a, build_a] = splitParts(ver_a); |
| const [core_b, release_b, build_b] = splitParts(ver_b); |
| |
| const cmp_core = compareCoreVersion(core_a, core_b); |
| const cmp_release = compareString(release_a, release_b); |
| const cmp_build = compareString(build_a, build_b); |
| |
| if (cmp_core !== 0) { |
| return cmp_core; |
| } |
| if (cmp_release !== 0) { |
| return cmp_release; |
| } |
| return cmp_build; |
| }; |