From 856b5b51effc90991d7fa03f1a66d07aadf24225 Mon Sep 17 00:00:00 2001
From: Daniel Espendiller <daniel@espendiller.net>
Date: Tue, 27 Feb 2024 19:11:34 +0100
Subject: [PATCH] secure children calls

---
 .../index/utils/VueJsComponentIndexUtil.java  | 15 +++++++--------
 .../de/espend/idea/vuejs/utils/VueJsUtil.java | 19 +++++++++++--------
 2 files changed, 18 insertions(+), 16 deletions(-)

diff --git a/src/main/java/de/espend/idea/vuejs/index/utils/VueJsComponentIndexUtil.java b/src/main/java/de/espend/idea/vuejs/index/utils/VueJsComponentIndexUtil.java
index 136cefa..80dca16 100644
--- a/src/main/java/de/espend/idea/vuejs/index/utils/VueJsComponentIndexUtil.java
+++ b/src/main/java/de/espend/idea/vuejs/index/utils/VueJsComponentIndexUtil.java
@@ -21,10 +21,7 @@
 import org.jetbrains.vuejs.index.VueFrameworkHandlerKt;
 import org.jetbrains.vuejs.lang.html.VueFile;
 
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 
 /**
  * @author Daniel Espendiller <daniel@espendiller.net>
@@ -82,10 +79,12 @@ public static Map<String, List<String>> getSameDirectoryComponentsForIndex(@NotN
 
         Map<String, String> directoryScope = new HashMap<>();
 
-        VirtualFile[] vueFiles = Arrays.stream(vueFile
-                .getVirtualFile()
-                .getParent()
-                .getChildren())
+        VirtualFile parent = vueFile.getVirtualFile().getParent();
+        if (parent == null) {
+            return Collections.emptyMap();
+        }
+
+        VirtualFile[] vueFiles = Arrays.stream(parent.getChildren())
             .filter(v -> "vue".equalsIgnoreCase(v.getExtension()) && !v.getName().equalsIgnoreCase(vueFile.getName()))
             .toArray(VirtualFile[]::new);
 
diff --git a/src/main/java/de/espend/idea/vuejs/utils/VueJsUtil.java b/src/main/java/de/espend/idea/vuejs/utils/VueJsUtil.java
index a9b9856..b5d9dbf 100644
--- a/src/main/java/de/espend/idea/vuejs/utils/VueJsUtil.java
+++ b/src/main/java/de/espend/idea/vuejs/utils/VueJsUtil.java
@@ -92,15 +92,18 @@ private void visitES6ImportedBinding(@NotNull String name, ES6ImportedBinding es
 
 
         // current directory scope
-        for (VirtualFile child : containingFile.getVirtualFile().getParent().getChildren()) {
-            String name = child.getName();
-            if (!name.endsWith(".vue")) {
-                continue;
-            }
+        VirtualFile parent = containingFile.getVirtualFile().getParent();
+        if (parent != null) {
+            for (VirtualFile child : parent.getChildren()) {
+                String name = child.getName();
+                if (!name.endsWith(".vue")) {
+                    continue;
+                }
 
-            String substring = name.substring(0, name.length() - 4);
-            components.putIfAbsent(substring, "./" + name);
-            components.putIfAbsent(VueJsUtil.convertToKebabCase(substring), "./" + name);
+                String substring = name.substring(0, name.length() - 4);
+                components.putIfAbsent(substring, "./" + name);
+                components.putIfAbsent(VueJsUtil.convertToKebabCase(substring), "./" + name);
+            }
         }
 
         return components;