| 1 |
var chalk = require('chalk') |
| 2 |
var semver = require('semver') |
| 3 |
var packageConfig = require('../package.json') |
| 4 |
var shell = require('shelljs') |
| 5 |
function exec (cmd) { |
| 6 |
return require('child_process').execSync(cmd).toString().trim() |
| 7 |
} |
| 8 |
|
| 9 |
var versionRequirements = [ |
| 10 |
{ |
| 11 |
name: 'node', |
| 12 |
currentVersion: semver.clean(process.version), |
| 13 |
versionRequirement: packageConfig.engines.node |
| 14 |
} |
| 15 |
] |
| 16 |
|
| 17 |
if (shell.which('npm')) { |
| 18 |
versionRequirements.push({ |
| 19 |
name: 'npm', |
| 20 |
currentVersion: exec('npm --version'), |
| 21 |
versionRequirement: packageConfig.engines.npm |
| 22 |
}) |
| 23 |
} |
| 24 |
|
| 25 |
module.exports = function () { |
| 26 |
var warnings = [] |
| 27 |
for (var i = 0; i < versionRequirements.length; i++) { |
| 28 |
var mod = versionRequirements[i] |
| 29 |
if (!semver.satisfies(mod.currentVersion, mod.versionRequirement)) { |
| 30 |
warnings.push(mod.name + ': ' + |
| 31 |
chalk.red(mod.currentVersion) + ' should be ' + |
| 32 |
chalk.green(mod.versionRequirement) |
| 33 |
) |
| 34 |
} |
| 35 |
} |
| 36 |
|
| 37 |
if (warnings.length) { |
| 38 |
console.log('') |
| 39 |
console.log(chalk.yellow('To use this template, you must update following to modules:')) |
| 40 |
console.log() |
| 41 |
for (var i = 0; i < warnings.length; i++) { |
| 42 |
var warning = warnings[i] |
| 43 |
console.log(' ' + warning) |
| 44 |
} |
| 45 |
console.log() |
| 46 |
process.exit(1) |
| 47 |
} |
| 48 |
} |
| 49 |
|
