avoid updating input value during IME composition (fix #3894)

yyx990803 · yyx990803 · commit 5b4b9269a525 · 2016-10-10T23:15:34.000-04:00
diff --git a/src/platforms/web/runtime/modules/dom-props.js b/src/platforms/web/runtime/modules/dom-props.js
@@ -34,7 +34,7 @@ function updateDOMProps (oldVnode: VNodeWithData, vnode: VNodeWithData) {
       elm._value = cur
       // avoid resetting cursor position when value is the same
       const strCur = cur == null ? '' : String(cur)
-      if (elm.value !== strCur) {
+      if (elm.value !== strCur && !elm.composing) {
         elm.value = strCur
       }
     } else {

Original file line number	Diff line number	Diff line change
`@@ -34,7 +34,7 @@ function updateDOMProps (oldVnode: VNodeWithData, vnode: VNodeWithData) {`
`34`	`34`	`elm._value = cur`
`35`	`35`	`// avoid resetting cursor position when value is the same`
`36`	`36`	`const strCur = cur == null ? '' : String(cur)`
`37`		`- if (elm.value !== strCur) {`
	`37`	`+ if (elm.value !== strCur && !elm.composing) {`
`38`	`38`	`elm.value = strCur`
`39`	`39`	`}`
`40`	`40`	`} else {`