From 003d72d80b6da71759bd39f3802da8eb9fb1c38d Mon Sep 17 00:00:00 2001
From: Luna Wei <luwe@fb.com>
Date: Wed, 18 Nov 2020 21:24:07 -0800
Subject: [PATCH] Provide default device scale

Summary:
Changelog:
[Internal][Fixed] - Provide a default device scale

Reviewed By: kacieb

Differential Revision: D24975788

fbshipit-source-id: 5f2158d7b704713b6a759734943e52228c9cafbc
---
 Libraries/Image/AssetSourceResolver.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Libraries/Image/AssetSourceResolver.js b/Libraries/Image/AssetSourceResolver.js
index 5ebd97a3d02..6c97f008e1b 100644
--- a/Libraries/Image/AssetSourceResolver.js
+++ b/Libraries/Image/AssetSourceResolver.js
@@ -158,7 +158,10 @@ class AssetSourceResolver {
     };
   }
 
-  static pickScale(scales: Array<number>, deviceScale: number): number {
+  static pickScale(scales: Array<number>, deviceScale?: number): number {
+    if (deviceScale == null) {
+      deviceScale = PixelRatio.get();
+    }
     // Packager guarantees that `scales` array is sorted
     for (let i = 0; i < scales.length; i++) {
       if (scales[i] >= deviceScale) {