From 6a9e6352e88aa9ff18e5b33cf2de442a250bd960 Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Wed, 20 Sep 2023 20:52:45 +0000
Subject: [PATCH] Revert "feat: Making Quartz available offline by making it a PWA (#465)"

---
 quartz/components/Explorer.tsx |   52 ++++++++++++++++++++++++++++++++++++++++++++++------
 1 files changed, 46 insertions(+), 6 deletions(-)

diff --git a/quartz/components/Explorer.tsx b/quartz/components/Explorer.tsx
index ce69491..8597075 100644
--- a/quartz/components/Explorer.tsx
+++ b/quartz/components/Explorer.tsx
@@ -6,23 +6,62 @@
 import { ExplorerNode, FileNode, Options } from "./ExplorerNode"
 
 // Options interface defined in `ExplorerNode` to avoid circular dependency
-const defaultOptions = (): Options => ({
+const defaultOptions = {
   title: "Explorer",
   folderClickBehavior: "collapse",
   folderDefaultState: "collapsed",
   useSavedState: true,
-})
+  // Sort order: folders first, then files. Sort folders and files alphabetically
+  sortFn: (a, b) => {
+    if ((!a.file && !b.file) || (a.file && b.file)) {
+      return a.name.localeCompare(b.name)
+    }
+    if (a.file && !b.file) {
+      return 1
+    } else {
+      return -1
+    }
+  },
+  order: ["filter", "map", "sort"],
+} satisfies Options
+
 export default ((userOpts?: Partial<Options>) => {
   function Explorer({ allFiles, displayClass, fileData }: QuartzComponentProps) {
     // Parse config
-    const opts: Options = { ...defaultOptions(), ...userOpts }
+    const opts: Options = { ...defaultOptions, ...userOpts }
 
     // Construct tree from allFiles
     const fileTree = new FileNode("")
     allFiles.forEach((file) => fileTree.add(file, 1))
 
-    // Sort tree (folders first, then files (alphabetic))
-    fileTree.sort()
+    /**
+     * Keys of this object must match corresponding function name of `FileNode`,
+     * while values must be the argument that will be passed to the function.
+     *
+     * e.g. entry for FileNode.sort: `sort: opts.sortFn` (value is sort function from options)
+     */
+    const functions = {
+      map: opts.mapFn,
+      sort: opts.sortFn,
+      filter: opts.filterFn,
+    }
+
+    // Execute all functions (sort, filter, map) that were provided (if none were provided, only default "sort" is applied)
+    if (opts.order) {
+      // Order is important, use loop with index instead of order.map()
+      for (let i = 0; i < opts.order.length; i++) {
+        const functionName = opts.order[i]
+        if (functions[functionName]) {
+          // for every entry in order, call matching function in FileNode and pass matching argument
+          // e.g. i = 0; functionName = "filter"
+          // converted to: (if opts.filterFn) => fileTree.filter(opts.filterFn)
+
+          // @ts-ignore
+          // typescript cant statically check these dynamic references, so manually make sure reference is valid and ignore warning
+          fileTree[functionName].call(fileTree, functions[functionName])
+        }
+      }
+    }
 
     // Get all folders of tree. Initialize with collapsed state
     const folders = fileTree.getFolderPaths(opts.folderDefaultState === "collapsed")
@@ -57,8 +96,9 @@
           </svg>
         </button>
         <div id="explorer-content">
-          <ul class="overflow">
+          <ul class="overflow" id="explorer-ul">
             <ExplorerNode node={fileTree} opts={opts} fileData={fileData} />
+            <div id="explorer-end" />
           </ul>
         </div>
       </div>

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