fix: Fixes erroneous non-null args.env check (#872)

* Fixes erroneous not-null check

* Code format and updated test.

* Changelog

Co-authored-by: Damjan Cvetko <damjan.cvetko@gmail.com>

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/) and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [1.29.1]
+
+- Fix for env configuration check that sometimes causes an error.
+
 ## [1.29.0]
 
 - Xdebug Cloud support.

src/phpDebug.ts

@@ -414,7 +414,12 @@ class PhpDebugSession extends vscode.DebugSession {
             })
         try {
             // Some checks
-            if (args.env !== undefined && args.program === undefined && args.runtimeArgs === undefined) {
+            if (
+                args.env &&
+                Object.keys(args.env).length !== 0 &&
+                args.program === undefined &&
+                args.runtimeArgs === undefined
+            ) {
                 throw new Error(
                     `Cannot set env without running a program.\nPlease remove env from [${
                         args.name || 'unknown'

src/test/adapter.ts

@@ -41,7 +41,7 @@ describe('PHP Debug Adapter', () => {
             ))
 
         it('should error on env without program', () =>
-            assert.isRejected(Promise.all([client.launch({ env: {} }), client.configurationSequence()])))
+            assert.isRejected(Promise.all([client.launch({ env: { some: 'key' } }), client.configurationSequence()])))
 
         it('should run program to the end', () =>
             Promise.all([