From f42cec0f883e299eb2e84ffc52ae14ce8333b246 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=A0=96=E5=90=90=E7=AD=B7=E7=AD=B7?=
 <74196206+ztkuaikuai@users.noreply.github.com>
Date: Sat, 17 May 2025 17:26:38 +0800
Subject: [PATCH] fix(graph): enhance the judgment of boundary conditions for
 removeEdge functions (#1412)

---
 codes/javascript/chapter_graph/graph_adjacency_list.js         | 3 ++-
 codes/typescript/chapter_graph/graph_adjacency_list.ts         | 3 ++-
 zh-hant/codes/javascript/chapter_graph/graph_adjacency_list.js | 3 ++-
 zh-hant/codes/typescript/chapter_graph/graph_adjacency_list.ts | 3 ++-
 4 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/codes/javascript/chapter_graph/graph_adjacency_list.js b/codes/javascript/chapter_graph/graph_adjacency_list.js
index ec7567c3c..f3daaeb17 100644
--- a/codes/javascript/chapter_graph/graph_adjacency_list.js
+++ b/codes/javascript/chapter_graph/graph_adjacency_list.js
@@ -46,7 +46,8 @@ class GraphAdjList {
         if (
             !this.adjList.has(vet1) ||
             !this.adjList.has(vet2) ||
-            vet1 === vet2
+            vet1 === vet2 ||
+            this.adjList.get(vet1).indexOf(vet2) === -1
         ) {
             throw new Error('Illegal Argument Exception');
         }
diff --git a/codes/typescript/chapter_graph/graph_adjacency_list.ts b/codes/typescript/chapter_graph/graph_adjacency_list.ts
index 4c7692312..c928e72e4 100644
--- a/codes/typescript/chapter_graph/graph_adjacency_list.ts
+++ b/codes/typescript/chapter_graph/graph_adjacency_list.ts
@@ -46,7 +46,8 @@ class GraphAdjList {
         if (
             !this.adjList.has(vet1) ||
             !this.adjList.has(vet2) ||
-            vet1 === vet2
+            vet1 === vet2 ||
+            this.adjList.get(vet1).indexOf(vet2) === -1
         ) {
             throw new Error('Illegal Argument Exception');
         }
diff --git a/zh-hant/codes/javascript/chapter_graph/graph_adjacency_list.js b/zh-hant/codes/javascript/chapter_graph/graph_adjacency_list.js
index 6b7ff8c71..6e50bad47 100644
--- a/zh-hant/codes/javascript/chapter_graph/graph_adjacency_list.js
+++ b/zh-hant/codes/javascript/chapter_graph/graph_adjacency_list.js
@@ -46,7 +46,8 @@ class GraphAdjList {
         if (
             !this.adjList.has(vet1) ||
             !this.adjList.has(vet2) ||
-            vet1 === vet2
+            vet1 === vet2 ||
+            this.adjList.get(vet1).indexOf(vet2) === -1
         ) {
             throw new Error('Illegal Argument Exception');
         }
diff --git a/zh-hant/codes/typescript/chapter_graph/graph_adjacency_list.ts b/zh-hant/codes/typescript/chapter_graph/graph_adjacency_list.ts
index 13c76a1e5..bd137fd84 100644
--- a/zh-hant/codes/typescript/chapter_graph/graph_adjacency_list.ts
+++ b/zh-hant/codes/typescript/chapter_graph/graph_adjacency_list.ts
@@ -46,7 +46,8 @@ class GraphAdjList {
         if (
             !this.adjList.has(vet1) ||
             !this.adjList.has(vet2) ||
-            vet1 === vet2
+            vet1 === vet2 ||
+            this.adjList.get(vet1).indexOf(vet2) === -1
         ) {
             throw new Error('Illegal Argument Exception');
         }