From 411e9efe377fb9df5f043915e58b4286d3ffec19 Mon Sep 17 00:00:00 2001
From: maade69 <70593890+maade69@users.noreply.github.com>
Date: Sun, 23 Jul 2023 16:49:44 +0300
Subject: [PATCH] fastboot: initial implementation of stagePayload()

---
 src/fastboot.ts | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/fastboot.ts b/src/fastboot.ts
index b0c64a6..d5c89fb 100644
--- a/src/fastboot.ts
+++ b/src/fastboot.ts
@@ -606,6 +606,24 @@ export class FastbootDevice {
         common.logDebug(`Booted ${blob.size} bytes image`);
     }
 
+    /**
+     * Stage Blob on the connected deivce.
+     * Equivalent to `fastboot stage BlobName`.
+     * @param {string} filename - Filename 
+     * @param {Blob} blob - The Blob to retrieve data from.
+     * @param {FlashProgressCallback} onProgress - Callback for flashing progress updates.
+     * @throws {FastbootError} 
+     */
+    async stagePayload(
+        filename: string,
+        blob: Blob,
+        onProgress: FlashProgressCallback = (_progress) => {}
+    ) {
+        let buffer = await common.readBlobAsBuffer(blob);
+        common.logDebug(`Sending payload: ${buffer.byteLength} bytes`);
+        await this.upload(filename, buffer, onProgress);
+    }
+
     /**
      * Flash the given factory images zip onto the device, with automatic handling
      * of firmware, system, and logical partitions as AOSP fastboot and