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website/node_modules/npm/lib/doctor/get-latest-nodejs-version.js

@@ -0,0 +1,27 @@
+var log = require('npmlog')
+var request = require('request')
+var semver = require('semver')
+
+function getLatestNodejsVersion (url, cb) {
+  var tracker = log.newItem('getLatestNodejsVersion', 1)
+  tracker.info('getLatestNodejsVersion', 'Getting Node.js release information')
+  var version = 'v0.0.0'
+  url = url || 'https://nodejs.org/dist/index.json'
+  request(url, function (e, res, index) {
+    tracker.finish()
+    if (e) return cb(e)
+    if (res.statusCode !== 200) {
+      return cb(new Error('Status not 200, ' + res.statusCode))
+    }
+    try {
+      JSON.parse(index).forEach(function (item) {
+        if (item.lts && semver.gt(item.version, version)) version = item.version
+      })
+      cb(null, version)
+    } catch (e) {
+      cb(e)
+    }
+  })
+}
+
+module.exports = getLatestNodejsVersion