From bd3961d350c904704272f37d42e09b2827888a20 Mon Sep 17 00:00:00 2001
From: Mimi <1119186082@qq.com>
Date: Wed, 20 Nov 2024 17:56:01 +0800
Subject: [PATCH] Use optional chaining

---
 scripts/events/lib/config.js   | 4 ++--
 scripts/helpers/font.js        | 2 +-
 scripts/helpers/next-config.js | 4 ++--
 source/js/next-boot.js         | 2 +-
 source/js/utils.js             | 4 ++--
 5 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/scripts/events/lib/config.js b/scripts/events/lib/config.js
index ad35061..8b91116 100644
--- a/scripts/events/lib/config.js
+++ b/scripts/events/lib/config.js
@@ -15,11 +15,11 @@ module.exports = hexo => {
     hexo.log.warn(`Since ${args[0]} is turned on, the ${args[1]} is disabled to avoid potential hazards.`);
   };
 
-  if (cache && cache.enable && language_switcher) {
+  if (cache?.enable && language_switcher) {
     warning('language_switcher', 'caching');
     cache.enable = false;
   }
-  if (cache && cache.enable && hexo.config.relative_link) {
+  if (cache?.enable && hexo.config.relative_link) {
     warning('caching', '`relative_link` option in Hexo `_config.yml`');
     hexo.config.relative_link = false;
   }
diff --git a/scripts/helpers/font.js b/scripts/helpers/font.js
index 517e8e4..6cf37dc 100644
--- a/scripts/helpers/font.js
+++ b/scripts/helpers/font.js
@@ -12,7 +12,7 @@ module.exports = function() {
   // Get a font list from config
   let fontFamilies = [];
   ['global', 'title', 'headings', 'posts', 'codes'].forEach(item => {
-    if (config[item] && config[item].family && config[item].external) {
+    if (config[item]?.family && config[item].external) {
       fontFamilies = fontFamilies.concat(config[item].family.split(','));
     }
   });
diff --git a/scripts/helpers/next-config.js b/scripts/helpers/next-config.js
index 4a57c48..c987d35 100644
--- a/scripts/helpers/next-config.js
+++ b/scripts/helpers/next-config.js
@@ -36,7 +36,7 @@ hexo.extend.helper.register('next_config', function() {
       hits       : __('search.hits', '${hits}')
     }
   };
-  if (config.algolia && theme.algolia_search && theme.algolia_search.enable) {
+  if (config.algolia && theme.algolia_search?.enable) {
     exportConfig.algolia = {
       appID    : config.algolia.applicationID || config.algolia.appId,
       apiKey   : config.algolia.apiKey,
@@ -44,7 +44,7 @@ hexo.extend.helper.register('next_config', function() {
       hits     : theme.algolia_search.hits
     };
   }
-  if (config.search && theme.local_search && theme.local_search.enable) {
+  if (config.search && theme.local_search?.enable) {
     exportConfig.path = url_for(config.search.path);
     exportConfig.localsearch = theme.local_search;
   }
diff --git a/source/js/next-boot.js b/source/js/next-boot.js
index e732f84..8cbc090 100644
--- a/source/js/next-boot.js
+++ b/source/js/next-boot.js
@@ -27,7 +27,7 @@ NexT.boot.registerEvents = function() {
     const tHash = location.hash;
     if (tHash !== '' && !tHash.match(/%\S{2}/)) {
       const target = document.querySelector(`.tabs ul.nav-tabs li a[href="${tHash}"]`);
-      target && target.click();
+      target?.click();
     }
   });
 
diff --git a/source/js/utils.js b/source/js/utils.js
index 78c255b..5803d7d 100644
--- a/source/js/utils.js
+++ b/source/js/utils.js
@@ -169,7 +169,7 @@ NexT.utils = {
   updateActiveNav() {
     if (!Array.isArray(this.sections)) return;
     let index = this.sections.findIndex(element => {
-      return element && element.getBoundingClientRect().top > 10;
+      return element?.getBoundingClientRect().top > 10;
     });
     if (index === -1) {
       index = this.sections.length - 1;
@@ -198,7 +198,7 @@ NexT.utils = {
       this.updateActiveNav();
     }, { passive: true });
 
-    backToTop && backToTop.addEventListener('click', () => {
+    backToTop?.addEventListener('click', () => {
       window.anime({
         targets  : document.scrollingElement,
         duration : 500,