fix: missed codes for SSR (#52)

* Update utils.js * Update canvas.js * Update utils.js * Update canvas.js * fix lint * Update canvas.js * Update utils.js * Update utils.js * restore unrelated codes --------- Co-authored-by: weizhenye <weizhenye@gmail.com>
weizhenye · Apr 4, 2023 · 9fb49c5 · 9fb49c5
1 parent 3da5e01
commit 9fb49c5
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Showing 2 changed files with 17 additions and 7 deletions.
diff --git a/src/engine/canvas.js b/src/engine/canvas.js
@@ -1,4 +1,4 @@
-const dpr = window.devicePixelRatio || 1;
+const dpr = typeof window !== 'undefined' && window.devicePixelRatio || 1;
 
 export var canvasHeightCache = Object.create(null);
 

diff --git a/src/utils.js b/src/utils.js
@@ -1,15 +1,25 @@
 export /* istanbul ignore next */ var raf =
-  window.requestAnimationFrame ||
-  window.mozRequestAnimationFrame ||
-  window.webkitRequestAnimationFrame ||
+  (
+    typeof window !== 'undefined' &&
+    (
+      window.requestAnimationFrame ||
+      window.mozRequestAnimationFrame ||
+      window.webkitRequestAnimationFrame
+    )
+  ) ||
   function(cb) {
     return setTimeout(cb, 50 / 3);
   };
 
 export /* istanbul ignore next */ var caf =
-  window.cancelAnimationFrame ||
-  window.mozCancelAnimationFrame ||
-  window.webkitCancelAnimationFrame ||
+  (
+    typeof window !== 'undefined' &&
+    (
+      window.cancelAnimationFrame ||
+      window.mozCancelAnimationFrame ||
+      window.webkitCancelAnimationFrame
+    )
+  ) ||
   clearTimeout;
 
 export function binsearch(arr, prop, key) {