Merge pull request #756 from green-engineering/bugfix-issue-739

fix(src): check if packages empty so we don't return null

src/lib/environment.ts

@@ -53,9 +53,14 @@ const flattenDependencies = (dependencies: [string, PackageDependency][]) =>
 const listDependencies = async () => {
   const {stdout} = await execPromise('npm list --json');
   const npmListResponse: NpmListResponse = JSON.parse(stdout);
-  const dependencies = Object.entries(npmListResponse.dependencies);
 
-  return flattenDependencies(dependencies);
+  if (npmListResponse.dependencies) {
+    const dependencies = Object.entries(npmListResponse.dependencies);
+
+    return flattenDependencies(dependencies);
+  }
+
+  return [];
 };
 
 /**