'use strict' const chalk = import('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) } }