fix sir support

Author: PanJiaChen

dist/vue-count-to.min.js

@@ -1,7 +1,7 @@
 {
   "name": "vue-count-to",
   "description": "It's a vue component that will count to a target number at a specified duration",
-  "version": "1.0.6",
+  "version": "1.0.10",
   "author": "Pan <[email protected]>",
   "main": "dist/vue-count-to.min.js",
   "scripts": {

dist/vue-count-to.min.js.map

@@ -1,37 +1,45 @@
 let lastTime = 0
 const prefixes = 'webkit moz ms o'.split(' ') // 各浏览器前缀
+
 let requestAnimationFrame
 let cancelAnimationFrame
-let prefix
-const isServer = typeof window === 'undefined'
 
-if (!isServer) {
+const isServer = typeof window === 'undefined'
+if (isServer) {
+  requestAnimationFrame = function() {
+    return
+  }
+  cancelAnimationFrame = function() {
+    return
+  }
+} else {
   requestAnimationFrame = window.requestAnimationFrame
   cancelAnimationFrame = window.cancelAnimationFrame
-  // 通过遍历各浏览器前缀，来得到requestAnimationFrame和cancelAnimationFrame在当前浏览器的实现形式
+  let prefix
+    // 通过遍历各浏览器前缀，来得到requestAnimationFrame和cancelAnimationFrame在当前浏览器的实现形式
   for (let i = 0; i < prefixes.length; i++) {
     if (requestAnimationFrame && cancelAnimationFrame) { break }
     prefix = prefixes[i]
     requestAnimationFrame = requestAnimationFrame || window[prefix + 'RequestAnimationFrame']
     cancelAnimationFrame = cancelAnimationFrame || window[prefix + 'CancelAnimationFrame'] || window[prefix + 'CancelRequestAnimationFrame']
   }
-}
 
-// 如果当前浏览器不支持requestAnimationFrame和cancelAnimationFrame，则会退到setTimeout
-if (!requestAnimationFrame || !cancelAnimationFrame) {
-  requestAnimationFrame = function(callback) {
-    const currTime = new Date().getTime()
-    // 为了使setTimteout的尽可能的接近每秒60帧的效果
-    const timeToCall = Math.max(0, 16 - (currTime - lastTime))
-    const id = window.setTimeout(() => {
-      callback(currTime + timeToCall)
-    }, timeToCall)
-    lastTime = currTime + timeToCall
-    return id
-  }
+  // 如果当前浏览器不支持requestAnimationFrame和cancelAnimationFrame，则会退到setTimeout
+  if (!requestAnimationFrame || !cancelAnimationFrame) {
+    requestAnimationFrame = function(callback) {
+      const currTime = new Date().getTime()
+      // 为了使setTimteout的尽可能的接近每秒60帧的效果
+      const timeToCall = Math.max(0, 16 - (currTime - lastTime))
+      const id = window.setTimeout(() => {
+        callback(currTime + timeToCall)
+      }, timeToCall)
+      lastTime = currTime + timeToCall
+      return id
+    }
 
-  cancelAnimationFrame = function(id) {
-    window.clearTimeout(id)
+    cancelAnimationFrame = function(id) {
+      window.clearTimeout(id)
+    }
   }
 }