From ab5efac75fb0f20afe74bef33a2cf7e9ba0ba40f Mon Sep 17 00:00:00 2001
From: bfahrenfort <59982409+bfahrenfort@users.noreply.github.com>
Date: Sun, 01 Oct 2023 16:47:22 +0000
Subject: [PATCH] Fix: RSS title escaping (#521)

---
 quartz/components/ExplorerNode.tsx |   44 +++++++++++++++++++++++---------------------
 1 files changed, 23 insertions(+), 21 deletions(-)

diff --git a/quartz/components/ExplorerNode.tsx b/quartz/components/ExplorerNode.tsx
index e1c8b8e..e5ceb0b 100644
--- a/quartz/components/ExplorerNode.tsx
+++ b/quartz/components/ExplorerNode.tsx
@@ -2,6 +2,8 @@
 import { QuartzPluginData } from "../plugins/vfile"
 import { resolveRelative } from "../util/path"
 
+type OrderEntries = "sort" | "filter" | "map"
+
 export interface Options {
   title: string
   folderDefaultState: "collapsed" | "open"
@@ -10,6 +12,7 @@
   sortFn: (a: FileNode, b: FileNode) => number
   filterFn?: (node: FileNode) => boolean
   mapFn?: (node: FileNode) => void
+  order?: OrderEntries[]
 }
 
 type DataWrapper = {
@@ -26,19 +29,28 @@
 export class FileNode {
   children: FileNode[]
   name: string
+  displayName: string
   file: QuartzPluginData | null
   depth: number
 
   constructor(name: string, file?: QuartzPluginData, depth?: number) {
     this.children = []
     this.name = name
+    this.displayName = name
     this.file = file ? structuredClone(file) : null
     this.depth = depth ?? 0
   }
 
   private insert(file: DataWrapper) {
     if (file.path.length === 1) {
-      this.children.push(new FileNode(file.file.frontmatter!.title, file.file, this.depth + 1))
+      if (file.path[0] !== "index.md") {
+        this.children.push(new FileNode(file.file.frontmatter!.title, file.file, this.depth + 1))
+      } else {
+        const title = file.file.frontmatter?.title
+        if (title && title !== "index" && file.path[0] === "index.md") {
+          this.displayName = title
+        }
+      }
     } else {
       const next = file.path[0]
       file.path = file.path.splice(1)
@@ -73,23 +85,13 @@
    * @param filterFn function to filter tree with
    */
   filter(filterFn: (node: FileNode) => boolean) {
-    const filteredNodes: FileNode[] = []
-
-    const traverse = (node: FileNode) => {
-      if (filterFn(node)) {
-        filteredNodes.push(node)
-      }
-      node.children.forEach(traverse)
-    }
-
-    traverse(this)
-
-    this.children = filteredNodes
+    this.children = this.children.filter(filterFn)
+    this.children.forEach((child) => child.filter(filterFn))
   }
 
   /**
    * Filter FileNode tree. Behaves similar to `Array.prototype.map()`, but modifies tree in place
-   * @param mapFn function to filter tree with
+   * @param mapFn function to use for mapping over tree
    */
   map(mapFn: (node: FileNode) => void) {
     mapFn(this)
@@ -152,12 +154,12 @@
   }
 
   return (
-    <div>
+    <li>
       {node.file ? (
         // Single file node
         <li key={node.file.slug}>
           <a href={resolveRelative(fileData.slug!, node.file.slug!)} data-for={node.file.slug}>
-            {node.file.frontmatter?.title}
+            {node.displayName}
           </a>
         </li>
       ) : (
@@ -181,17 +183,17 @@
                 <polyline points="6 9 12 15 18 9"></polyline>
               </svg>
               {/* render <a> tag if folderBehavior is "link", otherwise render <button> with collapse click event */}
-              <li key={node.name} data-folderpath={folderPath}>
+              <div key={node.name} data-folderpath={folderPath}>
                 {folderBehavior === "link" ? (
                   <a href={`${folderPath}`} data-for={node.name} class="folder-title">
-                    {node.name}
+                    {node.displayName}
                   </a>
                 ) : (
                   <button class="folder-button">
-                    <h3 class="folder-title">{node.name}</h3>
+                    <p class="folder-title">{node.displayName}</p>
                   </button>
                 )}
-              </li>
+              </div>
             </div>
           )}
           {/* Recursively render children of folder */}
@@ -217,6 +219,6 @@
           </div>
         </div>
       )}
-    </div>
+    </li>
   )
 }

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