From 1d59865447b7f8eb44c0966e0f8991518a3adf37 Mon Sep 17 00:00:00 2001
From: Mathias Buus <mathiasbuus@gmail.com>
Date: Mon, 18 Mar 2024 22:07:29 +0100
Subject: [PATCH] fwd the memory vfs

---
 index.js  |  3 +++
 memory.js | 12 ++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/index.js b/index.js
index 460a7d3..c26ed40 100644
--- a/index.js
+++ b/index.js
@@ -1,3 +1,4 @@
+const MemoryVFS = require('./memory')
 const ReadyResource = require('ready-resource')
 const binding = require.addon()
 
@@ -15,6 +16,8 @@ module.exports = class BareSQLite3 extends ReadyResource {
     this._result = null
   }
 
+  static MemoryVFS = MemoryVFS
+
   _open () {
     binding.bare_sqlite3_open(
       this._handle,
diff --git a/memory.js b/memory.js
index 529d293..2f3ed36 100644
--- a/memory.js
+++ b/memory.js
@@ -6,6 +6,18 @@ module.exports = class MemoryVFS {
     this.size = 0
   }
 
+  pages ({ copy = true } = {}) {
+    const all = []
+    for (let i = 0; i < this.buffer.byteLength; i += 4096) {
+      const value = this.buffer.subarray(i, i + 4096)
+      all.push({
+        index: i / 4096,
+        value: copy ? Buffer.concat([value]) : value
+      })
+    }
+    return all
+  }
+
   read (start, end) {
     return this.buffer.subarray(start, end)
   }