generator-fastboot/cli/jhipster.js

Spring Boot + Angular/React/Vue in one handy generator

#!/usr/bin/env node
/**
 * Copyright 2013-2021 the original author or authors from the JHipster project.
 *
 * This file is part of the JHipster project, see https://www.jhipster.tech/
 * for more information.
 *
 * 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 semver = require('semver');
const path = require('path');
const packageJson = require('../package.json');
const { logger } = require('./utils');

const currentNodeVersion = process.versions.node;
const minimumNodeVersion = packageJson.engines.node;

if (!semver.satisfies(currentNodeVersion, minimumNodeVersion)) {
  logger.fatal(
    `You are running Node version ${currentNodeVersion}\nJHipster requires Node version ${minimumNodeVersion}\nPlease update your version of Node.`
  );
}

let preferLocal = true;

// Don't use commander for parsing command line to avoid polluting it in cli.js
// --prefer-local: Always resolve node modules locally (useful when using linked module)
if ((process.argv.includes('upgrade') && !process.argv.includes('--prefer-local')) || process.argv.includes('--prefer-global')) {
  // Prefer global version for `jhipster upgrade` to get most recent code
  preferLocal = false;
}

requireCLI(preferLocal);

/*
 * Require cli.js giving priority to local version over global one if it exists.
 */
function requireCLI(preferLocal) {
  /* eslint-disable global-require */
  if (preferLocal) {
    try {
      const localCLI = require.resolve(path.join(process.cwd(), 'node_modules', 'generator-fastboot', 'cli', 'cli.js'));
      if (__dirname !== path.dirname(localCLI)) {
        // load local version
        /* eslint-disable import/no-dynamic-require */
        logger.info("Using JHipster version installed locally in current project's node_modules");
        require(localCLI);
        return;
      }
    } catch (e) {
      // Unable to find local version, so global one will be loaded anyway
    }
  }
  // load global version
  logger.info('Using JHipster version installed globally');
  require('./cli');
  /* eslint-enable  */
}