|
| 1 | +varchalk=require('chalk') |
| 2 | +varsemver=require('semver') |
| 3 | +varpackageConfig=require('../package.json') |
| 4 | +varshell=require('shelljs') |
| 5 | +functionexec(cmd){ |
| 6 | +returnrequire('child_process').execSync(cmd).toString().trim() |
| 7 | +} |
| 8 | + |
| 9 | +varversionRequirements=[ |
| 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 | +varwarnings=[] |
| 27 | +for(vari=0;i<versionRequirements.length;i++){ |
| 28 | +varmod=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(vari=0;i<warnings.length;i++){ |
| 42 | +varwarning=warnings[i] |
| 43 | +console.log(' '+warning) |
| 44 | +} |
| 45 | +console.log() |
| 46 | +process.exit(1) |
| 47 | +} |
| 48 | +} |