Fix hot reload in IE in strict mode (vuejs#4725)

posva · yyx990803 · commit c66991d96146 · 2017-01-16T16:45:24.000-05:00
Following a fix for v1 at vuejs#4274 for issue vuejs#4465
diff --git a/src/platforms/web/runtime/transition-util.js b/src/platforms/web/runtime/transition-util.js
@@ -27,7 +27,8 @@ if (hasTransition) {
   }
 }
 
-const raf = (inBrowser && window.requestAnimationFrame) || setTimeout
+// binding to window is necessary to make hot reload work in IE in strict mode
+const raf = (inBrowser && window.requestAnimationFrame.bind(window)) || setTimeout
 export function nextFrame (fn: Function) {
   raf(() => {
     raf(fn)

Original file line number	Diff line number	Diff line change
`@@ -27,7 +27,8 @@ if (hasTransition) {`
`27`	`27`	`}`
`28`	`28`	`}`
`29`	`29`
`30`		`-const raf = (inBrowser && window.requestAnimationFrame) \|\| setTimeout`
	`30`	`+// binding to window is necessary to make hot reload work in IE in strict mode`
	`31`	`+const raf = (inBrowser && window.requestAnimationFrame.bind(window)) \|\| setTimeout`
`31`	`32`	`export function nextFrame (fn: Function) {`
`32`	`33`	`raf(() => {`
`33`	`34`	`raf(fn)`