disable duplicate attribute warning in IE (close #3929)

yyx990803 · yyx990803 · commit 30bd34e96575 · 2016-10-13T03:35:19.000-04:00
diff --git a/src/compiler/parser/index.js b/src/compiler/parser/index.js
@@ -79,7 +79,7 @@ export function parse (
         type: 1,
         tag,
         attrsList: attrs,
-        attrsMap: makeAttrsMap(attrs),
+        attrsMap: makeAttrsMap(attrs, options.isIE),
         parent: currentParent,
         children: []
       }
@@ -429,10 +429,10 @@ function parseModifiers (name: string): Object | void {
   }
 }
 
-function makeAttrsMap (attrs: Array<Object>): Object {
+function makeAttrsMap (attrs: Array<Object>, isIE: ?boolean): Object {
   const map = {}
   for (let i = 0, l = attrs.length; i < l; i++) {
-    if (process.env.NODE_ENV !== 'production' && map[attrs[i].name]) {
+    if (process.env.NODE_ENV !== 'production' && map[attrs[i].name] && !isIE) {
       warn('duplicate attribute: ' + attrs[i].name)
     }
     map[attrs[i].name] = attrs[i].value

Original file line number	Diff line number	Diff line change
`@@ -79,7 +79,7 @@ export function parse (`
`79`	`79`	`type: 1,`
`80`	`80`	`tag,`
`81`	`81`	`attrsList: attrs,`
`82`		`- attrsMap: makeAttrsMap(attrs),`
	`82`	`+ attrsMap: makeAttrsMap(attrs, options.isIE),`
`83`	`83`	`parent: currentParent,`
`84`	`84`	`children: []`
`85`	`85`	`}`
`@@ -429,10 +429,10 @@ function parseModifiers (name: string): Object \| void {`
`429`	`429`	`}`
`430`	`430`	`}`
`431`	`431`
`432`		`-function makeAttrsMap (attrs: Array<Object>): Object {`
	`432`	`+function makeAttrsMap (attrs: Array<Object>, isIE: ?boolean): Object {`
`433`	`433`	`const map = {}`
`434`	`434`	`for (let i = 0, l = attrs.length; i < l; i++) {`
`435`		`- if (process.env.NODE_ENV !== 'production' && map[attrs[i].name]) {`
	`435`	`+ if (process.env.NODE_ENV !== 'production' && map[attrs[i].name] && !isIE) {`
`436`	`436`	`warn('duplicate attribute: ' + attrs[i].name)`
`437`	`437`	`}`
`438`	`438`	`map[attrs[i].name] = attrs[i].value`