| /* |
| * 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. |
| */ |
| 'use strict' |
| const chalk = require('chalk') |
| const semver = require('semver') |
| const packageConfig = require('../package.json') |
| const shell = require('shelljs') |
| |
| function exec(cmd) { |
| return require('child_process') |
| .execSync(cmd) |
| .toString() |
| .trim() |
| } |
| |
| const versionRequirements = [ |
| { |
| name: 'node', |
| currentVersion: semver.clean(process.version), |
| versionRequirement: packageConfig.engines.node |
| } |
| ] |
| |
| if (shell.which('npm')) { |
| versionRequirements.push({ |
| name: 'npm', |
| currentVersion: exec('npm --version'), |
| versionRequirement: packageConfig.engines.npm |
| }) |
| } |
| |
| module.exports = function() { |
| const warnings = [] |
| |
| for (let i = 0; i < versionRequirements.length; i++) { |
| const mod = versionRequirements[i] |
| |
| if (!semver.satisfies(mod.currentVersion, mod.versionRequirement)) { |
| warnings.push( |
| mod.name + |
| ': ' + |
| chalk.red(mod.currentVersion) + |
| ' should be ' + |
| chalk.green(mod.versionRequirement) |
| ) |
| } |
| } |
| |
| if (warnings.length) { |
| console.log('') |
| console.log( |
| chalk.yellow( |
| 'To use this template, you must update following to modules:' |
| ) |
| ) |
| console.log() |
| |
| for (let i = 0; i < warnings.length; i++) { |
| const warning = warnings[i] |
| console.log(' ' + warning) |
| } |
| |
| console.log() |
| process.exit(1) |
| } |
| } |