Fix initEnv, so it doesn't crash on page refresh (#590)

michalsnik · Guillaume Chau · commit e682c365050f · 2018-01-30T13:44:26.000+01:00
diff --git a/src/devtools/env.js b/src/devtools/env.js
@@ -12,6 +12,8 @@ export const keys = {
 }
 
 export function initEnv (Vue) {
+  if (Vue.prototype.hasOwnProperty('$isChrome')) return
+
   Object.defineProperties(Vue.prototype, {
     '$isChrome': { get: () => isChrome },
     '$isWindows': { get: () => isWindows },

Original file line number	Diff line number	Diff line change
`@@ -12,6 +12,8 @@ export const keys = {`
`12`	`12`	`}`
`13`	`13`
`14`	`14`	`export function initEnv (Vue) {`
	`15`	`+ if (Vue.prototype.hasOwnProperty('$isChrome')) return`
	`16`	`+`
`15`	`17`	`Object.defineProperties(Vue.prototype, {`
`16`	`18`	`'$isChrome': { get: () => isChrome },`
`17`	`19`	`'$isWindows': { get: () => isWindows },`