From 91189dfd2f4cb32e205117b327e0ae7a0c2dd716 Mon Sep 17 00:00:00 2001
From: Emile Bangma <github@emilebangma.com>
Date: Mon, 03 Feb 2025 14:25:42 +0000
Subject: [PATCH] feat(explorer): collapsible mobile explorer (#1471)

---
 quartz/components/Explorer.tsx |  120 +++++++++++++++++++++++++++++++++++++----------------------
 1 files changed, 75 insertions(+), 45 deletions(-)

diff --git a/quartz/components/Explorer.tsx b/quartz/components/Explorer.tsx
index 79d8781..ac276a8 100644
--- a/quartz/components/Explorer.tsx
+++ b/quartz/components/Explorer.tsx
@@ -1,17 +1,21 @@
-import { QuartzComponentConstructor, QuartzComponentProps } from "./types"
-import explorerStyle from "./styles/explorer.scss"
+import { QuartzComponent, QuartzComponentConstructor, QuartzComponentProps } from "./types"
+import style from "./styles/explorer.scss"
 
 // @ts-ignore
 import script from "./scripts/explorer.inline"
 import { ExplorerNode, FileNode, Options } from "./ExplorerNode"
 import { QuartzPluginData } from "../plugins/vfile"
+import { classNames } from "../util/lang"
+import { i18n } from "../i18n"
 
 // Options interface defined in `ExplorerNode` to avoid circular dependency
 const defaultOptions = {
-  title: "Explorer",
   folderClickBehavior: "collapse",
   folderDefaultState: "collapsed",
   useSavedState: true,
+  mapFn: (node) => {
+    return node
+  },
   sortFn: (a, b) => {
     // Sort order: folders first, then files. Sort folders and files alphabetically
     if ((!a.file && !b.file) || (a.file && b.file)) {
@@ -22,6 +26,7 @@
         sensitivity: "base",
       })
     }
+
     if (a.file && !b.file) {
       return 1
     } else {
@@ -39,63 +44,87 @@
   // memoized
   let fileTree: FileNode
   let jsonTree: string
+  let lastBuildId: string = ""
 
   function constructFileTree(allFiles: QuartzPluginData[]) {
-    if (!fileTree) {
-      // Construct tree from allFiles
-      fileTree = new FileNode("")
-      allFiles.forEach((file) => fileTree.add(file, 1))
+    // Construct tree from allFiles
+    fileTree = new FileNode("")
+    allFiles.forEach((file) => fileTree.add(file))
 
-      /**
-       * 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])
-          }
+    // 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 (functionName === "map") {
+          fileTree.map(opts.mapFn)
+        } else if (functionName === "sort") {
+          fileTree.sort(opts.sortFn)
+        } else if (functionName === "filter") {
+          fileTree.filter(opts.filterFn)
         }
       }
-
-      // Get all folders of tree. Initialize with collapsed state
-      const folders = fileTree.getFolderPaths(opts.folderDefaultState === "collapsed")
-
-      // Stringify to pass json tree as data attribute ([data-tree])
-      jsonTree = JSON.stringify(folders)
     }
+
+    // Get all folders of tree. Initialize with collapsed state
+    // Stringify to pass json tree as data attribute ([data-tree])
+    const folders = fileTree.getFolderPaths(opts.folderDefaultState === "collapsed")
+    jsonTree = JSON.stringify(folders)
   }
 
-  function Explorer({ allFiles, displayClass, fileData }: QuartzComponentProps) {
-    constructFileTree(allFiles)
+  const Explorer: QuartzComponent = ({
+    ctx,
+    cfg,
+    allFiles,
+    displayClass,
+    fileData,
+  }: QuartzComponentProps) => {
+    if (ctx.buildId !== lastBuildId) {
+      lastBuildId = ctx.buildId
+      constructFileTree(allFiles)
+    }
     return (
-      <div class={`explorer ${displayClass}`}>
+      <div class={classNames(displayClass, "explorer")}>
         <button
           type="button"
-          id="explorer"
+          id="mobile-explorer"
+          class="collapsed hide-until-loaded"
           data-behavior={opts.folderClickBehavior}
           data-collapsed={opts.folderDefaultState}
           data-savestate={opts.useSavedState}
           data-tree={jsonTree}
+          data-mobile={true}
+          aria-controls="explorer-content"
+          aria-expanded={false}
         >
-          <h1>{opts.title}</h1>
+          <svg
+            xmlns="http://www.w3.org/2000/svg"
+            width="24"
+            height="24"
+            viewBox="0 0 24 24"
+            stroke-width="2"
+            stroke-linecap="round"
+            stroke-linejoin="round"
+            class="lucide lucide-menu"
+          >
+            <line x1="4" x2="20" y1="12" y2="12" />
+            <line x1="4" x2="20" y1="6" y2="6" />
+            <line x1="4" x2="20" y1="18" y2="18" />
+          </svg>
+        </button>
+        <button
+          type="button"
+          id="desktop-explorer"
+          class="title-button"
+          data-behavior={opts.folderClickBehavior}
+          data-collapsed={opts.folderDefaultState}
+          data-savestate={opts.useSavedState}
+          data-tree={jsonTree}
+          data-mobile={false}
+          aria-controls="explorer-content"
+          aria-expanded={true}
+        >
+          <h2>{opts.title ?? i18n(cfg.locale).components.explorer.title}</h2>
           <svg
             xmlns="http://www.w3.org/2000/svg"
             width="14"
@@ -120,7 +149,8 @@
       </div>
     )
   }
-  Explorer.css = explorerStyle
+
+  Explorer.css = style
   Explorer.afterDOMLoaded = script
   return Explorer
 }) satisfies QuartzComponentConstructor

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