From 5302fd436eac5794fb92cfa2043d4ad9882281e0 Mon Sep 17 00:00:00 2001
From: syumai <syumai@gmail.com>
Date: Tue, 2 Jan 2024 20:50:10 +0900
Subject: [PATCH] remove performance API polyfill from workers-assets-gen

---
 .../assets/common/polyfill_performance.js     | 36 -------------------
 cmd/workers-assets-gen/assets/common/shim.mjs |  1 -
 2 files changed, 37 deletions(-)
 delete mode 100644 cmd/workers-assets-gen/assets/common/polyfill_performance.js

diff --git a/cmd/workers-assets-gen/assets/common/polyfill_performance.js b/cmd/workers-assets-gen/assets/common/polyfill_performance.js
deleted file mode 100644
index e42e60e..0000000
--- a/cmd/workers-assets-gen/assets/common/polyfill_performance.js
+++ /dev/null
@@ -1,36 +0,0 @@
-// @license http://opensource.org/licenses/MIT
-// copyright Paul Irish 2015
-
-
-// Date.now() is supported everywhere except IE8. For IE8 we use the Date.now polyfill
-//   github.com/Financial-Times/polyfill-service/blob/master/polyfills/Date.now/polyfill.js
-// as Safari 6 doesn't have support for NavigationTiming, we use a Date.now() timestamp for relative values
-
-// if you want values similar to what you'd get with real perf.now, place this towards the head of the page
-// but in reality, you're just getting the delta between now() calls, so it's not terribly important where it's placed
-
-
-(function(){
-
-  if ("performance" in globalThis == false) {
-      globalThis.performance = {};
-  }
-  
-  Date.now = (Date.now || function () {  // thanks IE8
-	  return new Date().getTime();
-  });
-
-  if ("now" in globalThis.performance == false){
-    
-    var nowOffset = Date.now();
-    
-    if (performance.timing && performance.timing.navigationStart){
-      nowOffset = performance.timing.navigationStart
-    }
-
-    globalThis.performance.now = function now(){
-      return Date.now() - nowOffset;
-    }
-  }
-
-})();
\ No newline at end of file
diff --git a/cmd/workers-assets-gen/assets/common/shim.mjs b/cmd/workers-assets-gen/assets/common/shim.mjs
index 741c70d..8737c5b 100644
--- a/cmd/workers-assets-gen/assets/common/shim.mjs
+++ b/cmd/workers-assets-gen/assets/common/shim.mjs
@@ -1,4 +1,3 @@
-import "./polyfill_performance.js";
 import "./wasm_exec.js";
 
 const go = new Go();