diff --git a/vueblog/build/check-versions.js b/vueblog/build/check-versions.js new file mode 100644 index 0000000..3ef972a --- /dev/null +++ b/vueblog/build/check-versions.js @@ -0,0 +1,54 @@ +'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) + } +}