small conditional check and formatting.

src/utils.js

@@ -5,18 +5,18 @@ let exec = require('child_process').exec;
 
 // checks if there exists a valid installation of NodeJs on this machine
 exports.isNodeInstalled = function isNodeInstalled() {
-  var cmdString = "node -v";
-  return new Promise(function (resolve, reject) {
-    exec(cmdString, (error, stdout) => {
-      if (error) {
-        return reject(error);
-      }
-      if (stdout.startsWith('v')) {
-        return resolve(true);
-      }
-      return resolve(false);
+    var cmdString = "node -v";
+    return new Promise(function (resolve, reject) {
+        exec(cmdString, (error, stdout) => {
+            if (error) {
+                return reject(error);
+            }
+            if (stdout.startsWith('v')) {
+                return resolve(true);
+            }
+            return resolve(false);
+        });
     });
-  });
 };
 
 // lists all globally installed npm packages.
@@ -86,27 +86,30 @@ exports.npmInstall = function npmInstall(packages, opts) {
     });
 };
 
-exports.getPackageJsonPath = function getPackageJsonPath(){
-  var dirAboveRoot = path.join(vscode.workspace.rootPath, '..');
-  var srcPath = getSourceLocation();
-  var packageJsonPath;
+exports.getPackageJsonPath = function getPackageJsonPath() {
+    var dirAboveRoot = path.join(vscode.workspace.rootPath, '..');
+    var srcPath = getSourceLocation();
+    if (!srcPath) {
+        return;
+    }
 
-  while (srcPath !== dirAboveRoot) {
-    packageJsonPath = path.join(srcPath, 'package.json');
-    if(fs.existsSync(packageJsonPath)){
-      return packageJsonPath;
+    var packageJsonPath;
+    while (srcPath !== dirAboveRoot) {
+        packageJsonPath = path.join(srcPath, 'package.json');
+        if (fs.existsSync(packageJsonPath)) {
+            return packageJsonPath;
+        }
+        else {
+            srcPath = path.join(srcPath, '..');
+        }
     }
-    else{
-      srcPath = path.join(srcPath, '..');
-    }
-  }
 };
 
 function getSourceLocation() {
-  var files = vscode.workspace.textDocuments.filter(item => item.isUntitled === false);
-  if (files) {
-    var sourceFile = files[0].fileName;
-    return sourceFile.slice(0, sourceFile.lastIndexOf('\\') + 1);
-  }
+    var files = vscode.workspace.textDocuments.filter(item => item.isUntitled === false);
+    if (files) {
+        var sourceFile = files[0].fileName;
+        return sourceFile.slice(0, sourceFile.lastIndexOf('\\') + 1);
+    }
 }