fix eslint

Author: yyx990803

.eslintrc

@@ -146,7 +146,7 @@
     "object-shorthand": 0,
     "one-var": [2, { "initialized": "never" }],
     "operator-assignment": 0,
-    "operator-linebreak": [2, "after"],
+    "operator-linebreak": [2, "after", { "overrides": { "?": "before", ":": "before" } }],
     "padded-blocks": 0,
     "prefer-const": 0,
     "quote-props": 0,

lib/hot-reload-api.js

@@ -12,7 +12,7 @@ var shimmed = false
 exports.install = function (vue) {
   if (shimmed) return
   shimmed = true
-  
+
   Vue = vue
   exports.compatible = !!Vue.internalDirectives
   if (!exports.compatible) {