try to fix style issue

lib/find-visualstudio.js

@@ -120,45 +120,45 @@ VisualStudioFinder.prototype = {
 
     this.log.error(`\n${errorLog}\n\n${infoLog}\n`)
     process.nextTick(this.callback.bind(null, new Error(
-        'Could not find any Visual Studio installation to use')))
+      'Could not find any Visual Studio installation to use')))
   },
 
   // Invoke the PowerShell script to get information about Visual Studio 2017
   // or newer installations
-  findVisualStudio2017OrNewer: function findVisualStudio2017OrNewer(cb) {
+  findVisualStudio2017OrNewer: function findVisualStudio2017OrNewer (cb) {
     const ps = path.join(process.env.SystemRoot, 'System32', 'WindowsPowerShell', 'v1.0', 'powershell.exe')
     const csFile = path.join(__dirname, 'Find-VisualStudio.cs')
-    const basePsArgs = ['-ExecutionPolicy', 'Unrestricted', '-NoProfile', '-Command',]
+    const basePsArgs = ['-ExecutionPolicy', 'Unrestricted', '-NoProfile', '-Command']
     const findLanguageModePsCmd =
-        `&{ try { $ExecutionContext.SessionState.LanguageMode } catch { try { (Get-PSSessionConfiguration -Name Test).LanguageMode } catch { 'error' } } }`
+      '&{ try { $ExecutionContext.SessionState.LanguageMode } catch { try { (Get-PSSessionConfiguration -Name Test).LanguageMode } catch { \'error\' } } }'
 
     const psArgs = [...basePsArgs, findLanguageModePsCmd]
     this.log.silly('Running', ps, psArgs)
     const childFindPsLanguageMode = execFile(
-        ps,
-        psArgs,
-        {encoding: 'utf8'},
-        (err, stdout, stderr) => {
-          this.log.silly('PS stderr = %j', stderr)
-          if (err) {
-            this.log.silly('PS err = %j', err && (err.stack || err))
-            this.addLog(
-                'could not determine PowerShell LanguageMode, try re-running with \'--loglevel silly\' for more details')
-            return cb(null)
-          }
-          const findVscDataPsCmd = `&{Add-Type -Path '${csFile}';[VisualStudioConfiguration.Main]::PrintJson()}`
-          const psArgs = [...basePsArgs, findVscDataPsCmd]
-          // the Add-Type command requires powershell to run with languageMode == FullLanguage
-          // Because languageMode feature is not introduced yet in powershell v2, we can try to use it.
-          // If powershell v2 is not installed (a problem only if languageMode is not FullLanguage), then it is not
-          // possible to use feature Add-Type.
-          if (stdout.toString('utf8').trim().toLowerCase() !== 'fulllanguage') {
-            psArgs.unshift('-Version', '2',)
-          }
-          this.log.silly('Running', ps, psArgs)
-          const child = execFile(ps, psArgs, {encoding: 'utf8'}, (err, stdout, stderr) => this.parseData(err, stdout, stderr, cb))
-          child.stdin.end()
-        })
+      ps,
+      psArgs,
+      { encoding: 'utf8' },
+      (err, stdout, stderr) => {
+        this.log.silly('PS stderr = %j', stderr)
+        if (err) {
+          this.log.silly('PS err = %j', err && (err.stack || err))
+          this.addLog(
+            'could not determine PowerShell LanguageMode, try re-running with \'--loglevel silly\' for more details')
+          return cb(null)
+        }
+        const findVscDataPsCmd = `&{Add-Type -Path '${csFile}';[VisualStudioConfiguration.Main]::PrintJson()}`
+        const psArgs = [...basePsArgs, findVscDataPsCmd]
+        // the Add-Type command requires powershell to run with languageMode == FullLanguage
+        // Because languageMode feature is not introduced yet in powershell v2, we can try to use it.
+        // If powershell v2 is not installed (a problem only if languageMode is not FullLanguage), then it is not
+        // possible to use feature Add-Type.
+        if (stdout.toString('utf8').trim().toLowerCase() !== 'fulllanguage') {
+          psArgs.unshift('-Version', '2')
+        }
+        this.log.silly('Running', ps, psArgs)
+        const child = execFile(ps, psArgs, { encoding: 'utf8' }, (err, stdout, stderr) => this.parseData(err, stdout, stderr, cb))
+        child.stdin.end()
+      })
     childFindPsLanguageMode.stdin.end()
   },