fix(vue-app): call ssrContext.unsetMutationObserver only if it exists (#10132)

reegodev · web-flow · commit 777a4b7f5033 · 2021-12-17T14:20:07.000+01:00
[release]
diff --git a/packages/vue-app/template/server.js b/packages/vue-app/template/server.js
@@ -134,7 +134,10 @@ export default async (ssrContext) => {
 
       <% if (isFullStatic && store) { %>
       // Stop recording store mutations
-      ssrContext.unsetMutationObserver()
+      // unsetMutationObserver is only set after all router middleware are evaluated
+      if (ssrContext.unsetMutationObserver) {
+        ssrContext.unsetMutationObserver()
+      }
       <% } %>
     }
   }

Original file line number	Diff line number	Diff line change
`@@ -134,7 +134,10 @@ export default async (ssrContext) => {`
`134`	`134`
`135`	`135`	`<% if (isFullStatic && store) { %>`
`136`	`136`	`// Stop recording store mutations`
`137`		`- ssrContext.unsetMutationObserver()`
	`137`	`+ // unsetMutationObserver is only set after all router middleware are evaluated`
	`138`	`+ if (ssrContext.unsetMutationObserver) {`
	`139`	`+ ssrContext.unsetMutationObserver()`
	`140`	`+ }`
`138`	`141`	`<% } %>`
`139`	`142`	`}`
`140`	`143`	`}`