From e5ddc90a47b176aba27ebcf8caf9cd965de16513 Mon Sep 17 00:00:00 2001
From: Lucien Shaw <myxlc55@outlook.com>
Date: Thu, 18 Jan 2024 19:53:26 +0800
Subject: [PATCH 1/3] feat: add more asset-searching locations

---
 lib/renderer.js | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/lib/renderer.js b/lib/renderer.js
index 8a206c4..2a6941e 100644
--- a/lib/renderer.js
+++ b/lib/renderer.js
@@ -119,14 +119,22 @@ class Renderer extends MarkedRenderer {
     const { hexo, options } = this;
     const { relative_link } = hexo.config;
     const { lazyload, figcaption, prependRoot, postPath } = options;
+    const searchAssetLocation = ['./', '../'];
 
     if (!/^(#|\/\/|http(s)?:)/.test(href) && !relative_link && prependRoot) {
       if (!href.startsWith('/') && !href.startsWith('\\') && postPath) {
         const PostAsset = hexo.model('PostAsset');
-        // findById requires forward slash
-        const asset = PostAsset.findById(join(postPath, href.replace(/\\/g, '/')));
-        // asset.path is backward slash in Windows
-        if (asset) href = asset.path.replace(/\\/g, '/');
+        for (let appendPath of searchAssetLocation){
+          const destPath = join(postPath, appendPath);
+          // findById requires forward slash
+          const asset = PostAsset.findById(join(destPath, href.replace(/\\/g, '/')));
+          // asset.path is backward slash in Windows
+          if (asset) {
+            href = asset.path.replace(/\\/g, '/');
+            // asset is found, stop searching
+            break;
+          }
+        }
       }
       href = url_for.call(hexo, href);
     }

From a32559095374115cc794a8349270b3fd8c6b7bbd Mon Sep 17 00:00:00 2001
From: Lucien Shaw <myxlc55@outlook.com>
Date: Thu, 18 Jan 2024 19:55:29 +0800
Subject: [PATCH 2/3] docs: add explanations related to postAsset

---
 README.md | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index bd6cbcd..4c6eb67 100644
--- a/README.md
+++ b/README.md
@@ -88,8 +88,10 @@ marked:
   ```
   * `![text](/path/to/image.jpg)` becomes `<img src="/blog/path/to/image.jpg" alt="text">`
 - **postAsset** - Resolve post asset's image path to relative path and prepend root value when [`post_asset_folder`](https://hexo.io/docs/asset-folders) is enabled.
-  * "image.jpg" is located at "/2020/01/02/foo/image.jpg", which is a post asset of "/2020/01/02/foo/".
-  * `![](image.jpg)` becomes `<img src="/2020/01/02/foo/image.jpg">`
+  * Search for assets first in the post asset folder, then the parent folder of the post asset folder. The search process is aborted once the image is found.
+  * "image.jpg" is located at "/2020/01/02/foo/image.jpg" and locally `source/_post/foo/image.jpg` , which is a post asset of "/2020/01/02/foo/".
+  * `![](image.jpg)` becomes `<img src="/2020/01/02/foo/image.jpg">` (asset is found in post asset folder since `source/_post/foo` `/` `image.jpg` exists.)
+  * `![](foo/image.jpg)` also becomes `<img src="/2020/01/02/foo/image.jpg">` (asset is found in the parent folder of post asset folder since `source/_post` `/` `foo/image.jpg` exists.)
   * Requires **prependRoot** to be enabled.
 - **external_link**
   * **enable** - Open external links in a new tab.

From efb29c2394a19cd283c012b6047c2003cec18704 Mon Sep 17 00:00:00 2001
From: Lucien Shaw <myxlc55@outlook.com>
Date: Tue, 30 Apr 2024 10:14:23 +0800
Subject: [PATCH 3/3] fix: resolve two lint problems

---
 lib/renderer.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/renderer.js b/lib/renderer.js
index 2a6941e..05d5514 100644
--- a/lib/renderer.js
+++ b/lib/renderer.js
@@ -124,7 +124,7 @@ class Renderer extends MarkedRenderer {
     if (!/^(#|\/\/|http(s)?:)/.test(href) && !relative_link && prependRoot) {
       if (!href.startsWith('/') && !href.startsWith('\\') && postPath) {
         const PostAsset = hexo.model('PostAsset');
-        for (let appendPath of searchAssetLocation){
+        for (const appendPath of searchAssetLocation) {
           const destPath = join(postPath, appendPath);
           // findById requires forward slash
           const asset = PostAsset.findById(join(destPath, href.replace(/\\/g, '/')));
@@ -212,7 +212,7 @@ class Tokenizer extends MarkedTokenizer {
   }
 }
 
-module.exports = function(data, options) {
+module.exports = function (data, options) {
   const { post_asset_folder, marked: markedCfg, source_dir } = this.config;
   const { prependRoot, postAsset, dompurify } = markedCfg;
   const { path, text } = data;
@@ -240,7 +240,7 @@ module.exports = function(data, options) {
     }
   }
 
-  let sanitizer = function(html) { return html; };
+  let sanitizer = function (html) { return html; };
 
   if (dompurify) {
     if (createDOMPurify === undefined && JSDOM === undefined) {
@@ -253,7 +253,7 @@ module.exports = function(data, options) {
     if (dompurify !== true) {
       param = dompurify;
     }
-    sanitizer = function(html) { return DOMPurify.sanitize(html, param); };
+    sanitizer = function (html) { return DOMPurify.sanitize(html, param); };
   }
   return sanitizer(marked(text, Object.assign({
     renderer,