[jsfm] Fix the lint error in Document (#2368)

Hanks10100 · YorkShen · commit b5c404a33db9 · 2019-04-25T17:37:09.000+08:00
Remove the useless temporary variable `result` in the `fireEvent` method.
diff --git a/runtime/vdom/Document.js b/runtime/vdom/Document.js
@@ -183,14 +183,12 @@ export default class Document {
     if (domChanges) {
       updateElement(el, domChanges)
     }
-    let result
     let isBubble
     const $root = this.getRef('_root')
     if ($root && $root.attr) {
       isBubble = $root.attr['bubble'] === 'true'
     }
-    result = el.fireEvent(type, event, isBubble, options)
-    return result
+    return el.fireEvent(type, event, isBubble, options)
   }
 
   /**

Original file line number	Diff line number	Diff line change
`@@ -183,14 +183,12 @@ export default class Document {`
`183`	`183`	`if (domChanges) {`
`184`	`184`	`updateElement(el, domChanges)`
`185`	`185`	`}`
`186`		`- let result`
`187`	`186`	`let isBubble`
`188`	`187`	`const $root = this.getRef('_root')`
`189`	`188`	`if ($root && $root.attr) {`
`190`	`189`	`isBubble = $root.attr['bubble'] === 'true'`
`191`	`190`	`}`
`192`		`- result = el.fireEvent(type, event, isBubble, options)`
`193`		`- return result`
	`191`	`+ return el.fireEvent(type, event, isBubble, options)`
`194`	`192`	`}`
`195`	`193`
`196`	`194`	`/**`