init

uni_modules/nutui-uni/components/_utils/raf.ts

@@ -0,0 +1,30 @@
+const _window = window as any
+
+export const inBrowser = typeof window !== 'undefined'
+
+function requestAniFrame() {
+  if (typeof _window !== 'undefined') {
+    return (
+      _window.requestAnimationFrame
+      || _window.webkitRequestAnimationFrame
+      || function (callback: () => void) {
+        _window.setTimeout(callback, 1000 / 60)
+      }
+    )
+  }
+  else {
+    return function (callback: () => void) {
+      setTimeout(callback, 1000 / 60)
+    }
+  }
+}
+
+export function cancelRaf(id: number) {
+  if (inBrowser)
+    cancelAnimationFrame(id)
+
+  else
+    clearTimeout(id)
+}
+
+export default requestAniFrame()