[tools][s]: a function to check if data-cli was installed via NPM - refs #321

Author: anuveyatsu

lib/utils/tools.js

@@ -3,6 +3,8 @@ const marked = require('marked')
 const TerminalRenderer = require('marked-terminal')
 // ProgressBar
 const ProgressBar = require('progress')
+// Global packages
+const globalPackages = require('global-packages')
 
 const {elephant} = require('./logo')
 
@@ -19,3 +21,31 @@ const bar = new ProgressBar(':download [:bar] :percent :etas', {
   total: 100
 })
 module.exports.bar = bar
+
+const installedWithNPM = async () => {
+  let packages
+
+  try {
+    packages = await globalPackages()
+  } catch (err) {
+    console.log(err)
+    return false
+  }
+
+  if (!Array.isArray(packages)) {
+    return false
+  }
+
+  const related = packages.find(item => item.name === 'now')
+
+  if (!related || related.linked === true) {
+    return false
+  }
+
+  if (related.linked === false) {
+    return true
+  }
+
+  return false
+}
+module.exports.installedWithNPM = installedWithNPM

package.json

@@ -74,6 +74,7 @@
     "clipboardy": "^1.1.4",
     "data.js": "^0.11.1",
     "datahub-client": "^0.4.2",
+    "global-packages": "^1.0.2",
     "human-readable-ids": "^1.0.3",
     "inquirer": "^5.1.0",
     "inquirer-test": "^2.0.1",