From 860af3c012915be534f8a5c37d745e2dff339e04 Mon Sep 17 00:00:00 2001
From: "Mr.doob" <info@mrdoob.com>
Date: Tue, 10 May 2022 11:45:35 +0900
Subject: [PATCH] r140 (bis) (bis)

---
 editor/sw.js                          |  2 +-
 examples/js/exporters/GLTFExporter.js | 18 ++++++++++++++++--
 package.json                          |  2 +-
 3 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/editor/sw.js b/editor/sw.js
index a25a79e598d272..9df579af4580bf 100644
--- a/editor/sw.js
+++ b/editor/sw.js
@@ -1,4 +1,4 @@
-// r140.1
+// r140.2
 
 const cacheName = 'threejs-editor';
 
diff --git a/examples/js/exporters/GLTFExporter.js b/examples/js/exporters/GLTFExporter.js
index d87ed92a398b72..6d3b4ff8f0cd0e 100644
--- a/examples/js/exporters/GLTFExporter.js
+++ b/examples/js/exporters/GLTFExporter.js
@@ -305,7 +305,7 @@
 
 		}
 
-		if ( typeof OffscreenCanvas !== 'undefined' ) {
+		if ( typeof document === 'undefined' && typeof OffscreenCanvas !== 'undefined' ) {
 
 			cachedCanvas = new OffscreenCanvas( 1, 1 );
 
@@ -1005,8 +1005,22 @@
 
 					} else {
 
+						let quality; // Blink's implementation of convertToBlob seems to default to a quality level of 100%
+						// Use the Blink default quality levels of toBlob instead so that file sizes are comparable.
+
+						if ( mimeType === 'image/jpeg' ) {
+
+							quality = 0.92;
+
+						} else if ( mimeType === 'image/webp' ) {
+
+							quality = 0.8;
+
+						}
+
 						toBlobPromise = canvas.convertToBlob( {
-							type: mimeType
+							type: mimeType,
+							quality: quality
 						} );
 
 					}
diff --git a/package.json b/package.json
index ca7535ce8d4ca3..482d1d428b45df 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "three",
-  "version": "0.140.1",
+  "version": "0.140.2",
   "description": "JavaScript 3D library",
   "type": "module",
   "main": "./build/three.js",