remove_version_suffix.js

/**
 * Copyright 2020 Google Inc. All rights reserved.
 *
 * 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
 *
 *     https://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 fs = require('fs');
const json = fs.readFileSync('./package.json', 'utf8').toString();
const pkg = JSON.parse(json);
const oldVersion = pkg.version;
const version = oldVersion.replace(/-post$/, '');
const updated = json.replace(
  `"version": "${oldVersion}"`,
  `"version": "${version}"`
);
fs.writeFileSync('./package.json', updated);