From d602409122159f8081aaf87c0e5d88f9db18d25f Mon Sep 17 00:00:00 2001
From: Joseph Werle <joseph.werle@gmail.com>
Date: Wed, 8 Nov 2023 14:45:20 -0500
Subject: [PATCH] refactor(api/internal): initial 'showOpenFilePicker' and
 structure

---
 api/index.d.ts          |  2 +-
 api/internal/pickers.js | 36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+), 1 deletion(-)
 create mode 100644 api/internal/pickers.js

diff --git a/api/index.d.ts b/api/index.d.ts
index f31c474fd3..ed77a365ad 100644
--- a/api/index.d.ts
+++ b/api/index.d.ts
@@ -7249,7 +7249,7 @@ declare module "socket:internal/pickers" {
     /**
      * TODO
      */
-    export function showOpenFilePicker(options?: any): Promise<void>;
+    export function showOpenFilePicker(options?: any): Promise<any[]>;
     namespace _default {
         export { showOpenFilePicker };
     }
diff --git a/api/internal/pickers.js b/api/internal/pickers.js
new file mode 100644
index 0000000000..eb184cf0f0
--- /dev/null
+++ b/api/internal/pickers.js
@@ -0,0 +1,36 @@
+import application from '../application.js'
+import mime from '../mime.js'
+import path from '../path.js'
+import fs from '../fs/promises.js'
+
+/**
+ * TODO
+ */
+export async function showOpenFilePicker (options = null) {
+  const currentWindow = await application.getCurrentWindow()
+  const handles = []
+
+  const results = await currentWindow.showOpenFilePicker({
+    allowMultiple: options?.multiple === true,
+    allowFiles: true
+  })
+
+  for (const result of results) {
+    const stats = await fs.stat(result)
+    const types = await mime.lookup(path.extname(result).slice(1))
+    const file = new File([], result, {
+      lastModified: stats.mtimeMs,
+      type: types[0]?.mime ?? ''
+    })
+
+    handles.push(Object.create(FileSystemFileHandle.prototype, {
+      getFile: { value () { return file } }
+    }))
+  }
+
+  return handles
+}
+
+export default {
+  showOpenFilePicker
+}