feat (cli): show error message if minimum node version isn't met (#2132)

* feat cli: show error if min node version isn't met

- Added an error message display if the minimum node version
requirement is not met.
- Exits process with failure code 1.

License: MIT
Signed-off-by: Chirag Shinde <[email protected]>

* fix(cli): show error if min node version isn't met

- moved the version check to top before other `require` statements
- changed `semver.gt` to `semver.satisfies`

License: MIT
Signed-off-by: Chirag Shinde <[email protected]>

Author: chirag-shinde

package.json

@@ -186,6 +186,7 @@
     "pull-traverse": "^1.0.3",
     "readable-stream": "^3.1.1",
     "receptacle": "^1.3.2",
+    "semver": "^6.1.1",
     "stream-to-pull-stream": "^1.7.3",
     "superstruct": "~0.6.0",
     "tar-stream": "^2.0.0",

src/cli/bin.js

@@ -14,13 +14,20 @@ process.on('unhandledRejection', (err) => {
   throw err
 })
 
+const semver = require('semver')
+const pkg = require('../../package.json')
+
+if (!semver.satisfies(process.versions.node, pkg.engines.node)) {
+  console.error(`Please update your Node.js version to ${pkg.engines.node}`)
+  process.exit(1)
+}
+
 const YargsPromise = require('yargs-promise')
 const updateNotifier = require('update-notifier')
 const utils = require('./utils')
 const print = utils.print
 const mfs = require('ipfs-mfs/cli')
 const debug = require('debug')('ipfs:cli')
-const pkg = require('../../package.json')
 const parser = require('./parser')
 const commandAlias = require('./command-alias')