From ead0a84ac78e1de26564f84131416a4e5db67854 Mon Sep 17 00:00:00 2001
From: Sped0n <realsped0n@outlook.com>
Date: Mon, 30 Oct 2023 15:54:36 +0800
Subject: [PATCH] refactor(main.ts): improve code readability by adding
 conditional check for ijs length before initializing stage or collection
 fix(resources.ts): handle case when imagesJson element is not found to
 prevent error and return empty array

---
 assets/ts/main.ts      | 14 ++++++++------
 assets/ts/resources.ts |  5 ++++-
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/assets/ts/main.ts b/assets/ts/main.ts
index 5e82b59..c2d0a53 100644
--- a/assets/ts/main.ts
+++ b/assets/ts/main.ts
@@ -16,10 +16,12 @@ initState(ijs.length)
 
 initNav()
 
-if (!isMobile()) {
-  initStage(ijs)
-  initStageNav()
-} else {
-  initCollection(ijs)
-  initGallery(ijs)
+if (ijs.length > 0) {
+  if (!isMobile()) {
+    initStage(ijs)
+    initStageNav()
+  } else {
+    initCollection(ijs)
+    initGallery(ijs)
+  }
 }
diff --git a/assets/ts/resources.ts b/assets/ts/resources.ts
index 4eb0b06..57c87f4 100644
--- a/assets/ts/resources.ts
+++ b/assets/ts/resources.ts
@@ -9,7 +9,10 @@ export interface ImageJSON {
 }
 
 export function initResources(): ImageJSON[] {
-  const imagesJson = document.getElementById('imagesSource') as HTMLScriptElement
+  const imagesJson = document.getElementById('imagesSource')
+  if (!imagesJson) {
+    return []
+  }
   return JSON.parse(imagesJson.textContent as string).sort(
     (a: ImageJSON, b: ImageJSON) => {
       if (a.index < b.index) {