fix: fix server env detection in wechat mini program (vuejs#9075)

fjc0k · yyx990803 · commit 05e8bcfe5d30 · 2018-11-30T23:58:29.000-05:00
diff --git a/src/core/util/env.js b/src/core/util/env.js
@@ -41,7 +41,7 @@ export const isServerRendering = () => {
     if (!inBrowser && !inWeex && typeof global !== 'undefined') {
       // detect presence of vue-server-renderer and avoid
       // Webpack shimming the process
-      _isServer = global['process'].env.VUE_ENV === 'server'
+      _isServer = global['process'] && global['process'].env.VUE_ENV === 'server'
     } else {
       _isServer = false
     }

Original file line number	Diff line number	Diff line change
`@@ -41,7 +41,7 @@ export const isServerRendering = () => {`
`41`	`41`	`if (!inBrowser && !inWeex && typeof global !== 'undefined') {`
`42`	`42`	`// detect presence of vue-server-renderer and avoid`
`43`	`43`	`// Webpack shimming the process`
`44`		`- _isServer = global['process'].env.VUE_ENV === 'server'`
	`44`	`+ _isServer = global['process'] && global['process'].env.VUE_ENV === 'server'`
`45`	`45`	`} else {`
`46`	`46`	`_isServer = false`
`47`	`47`	`}`