feat: add support for hiding anchor icon with false value in configuration

Author: D-Sketon

README.en.md

@@ -1153,6 +1153,8 @@ v1.0.0 added `anchor_icon` configuration for customizing anchor icons, defaults
 anchor_icon: # if the icon is empty, the default # icon is used
 ```
 
+v1.8.5 `anchor_icon` supports passing `false` to hide anchor icon.
+
 ##### Cursor Icon (v1.3.0+)
 
 v1.3.0 added `reimu_cursor.cursor` configuration for customizing cursor icons. You can fill in a path relative to `css/style.css` to customize cursor icons.

README.md

@@ -1157,6 +1157,8 @@ v1.0.0 增加了 `anchor_icon` 配置用于自定义锚点图标，默认使用
 anchor_icon: # 不填默认使用 # 图标
 ```
 
+v1.8.5 `anchor_icon` 支持传递 `false` 以隐藏锚点图标。
+
 ##### 鼠标图标（v1.3.0+）
 
 v1.3.0 增加了 `reimu_cursor.cursor` 配置用于自定义鼠标图标，你可以填写一个相对于 `css/style.css` 的路径来自定义鼠标图标。

_config.yml

@@ -159,7 +159,7 @@ i18n:
 # CSS
 ########################################
 
-anchor_icon: # default use '#' icon, you can use a hexadecimal representation of fontawesome or icon_font, like 'f0c1'
+anchor_icon: # default use '#' icon, you can use a hexadecimal representation of fontawesome or icon_font, like 'f0c1', or you can use false to hide anchor icon
 
 reimu_cursor:
   enable: true

scripts/helper/config.js

@@ -27,7 +27,13 @@ hexo.extend.helper.register("themeConfig", function () {
     addConfig("swPath", url_for.call(hexo, "/sw.js"));
   }
   addConfig("outdate", config.outdate?.enable ? config.outdate : null);
-  addConfig("anchor_icon", config.anchor_icon);
+  if (config.anchor_icon || config.anchor_icon === false) {
+    _global.push(
+      `window.REIMU_CONFIG.anchor_icon = ${
+        typeof config.anchor_icon === "string" ? `'${config.anchor_icon}'` : JSON.stringify(config.anchor_icon)
+      };`
+    );
+  }
   addConfig("code_block", config.code_block);
   addConfig("base", siteConfig.url);
   if (config.i18n?.enable) {

source/js/pjax_script.js

@@ -34,12 +34,12 @@ _$$(
     // iconfont
     element.innerHTML = window.REIMU_CONFIG.anchor_icon
       ? `&#x${window.REIMU_CONFIG.anchor_icon};`
-      : "";
+      : window.REIMU_CONFIG.anchor_icon === false ? "" : "";
   } else {
     // fontawesome
     element.innerHTML = window.REIMU_CONFIG.anchor_icon
       ? `&#x${window.REIMU_CONFIG.anchor_icon};`
-      : "";
+      : window.REIMU_CONFIG.anchor_icon === false ? "" : "";
   }
 });