Add recent files to file menu

src/main.js

@@ -2700,6 +2700,7 @@ async function saveAs() {
 }
 
 async function _open(path) {
+  closeDialog()
   try {
     const contents = await readTextFile(path)
     let file = JSON.parse(contents)
@@ -2746,7 +2747,6 @@ async function _open(path) {
 }
 
 async function open() {
-  closeDialog()
   const path = await openFileDialog({
     multiple: false,
     directory: false,
@@ -4958,6 +4958,15 @@ async function updateMenu() {
   let newKeyframeMenuItem;
   let deleteFrameMenuItem;
 
+  let recentFilesList = []
+  config.recentFiles.forEach((file) => {
+    recentFilesList.push({
+      text: file,
+      enabled: true,
+      action: () => { _open(file) }
+    })
+  })
+  
   activeKeyframe = false
   if (context.activeObject.activeLayer.frames[context.activeObject.currentFrameNum]) {
     activeFrame = true
@@ -5008,6 +5017,10 @@ async function updateMenu() {
         action: saveAs,
         accelerator: getShortcut("saveAs")
       },
+      await Submenu.new({
+        text: "Open Recent",
+        items: recentFilesList
+      }),
       {
         text: 'Open File...',
         enabled: true,

src/tauri_polyfill.js

@@ -230,12 +230,19 @@ if (!window.__TAURI__) {
           menu = new Menu()
           for (let i in items) {
             let item = items[i]
+            if (item instanceof Menu) {
+              menuItem = new MenuItem({
+                label: item.text,
+                submenu: item
+              })
+            } else {
               menuItem = new MenuItem({
                 label: item.text,
                 enabled: item.enabled,
                 click: item.action,
                 accelerator: item.accelerator
               })
+            }
             menu.append(menuItem)
           }
           menu.text = params.text