fix: improve register check, close #876 (#878)

liyongning · web-flow · commit 3c2ad93f3896 · 2021-12-27T16:00:50.000+08:00
diff --git a/src/runtimeContext.ts b/src/runtimeContext.ts
@@ -43,7 +43,8 @@ export function isPluginInstalled() {
 }
 
 export function isVueRegistered(Vue: VueConstructor) {
-  return hasOwn(Vue, PluginInstalledFlag)
+  // resolve issue: https://github.com/vuejs/composition-api/issues/876#issue-1087619365
+  return vueConstructor && hasOwn(Vue, PluginInstalledFlag)
 }
 
 export function getVueConstructor(): VueConstructor {

Original file line number	Diff line number	Diff line change
`@@ -43,7 +43,8 @@ export function isPluginInstalled() {`
`43`	`43`	`}`
`44`	`44`
`45`	`45`	`export function isVueRegistered(Vue: VueConstructor) {`
`46`		`- return hasOwn(Vue, PluginInstalledFlag)`
	`46`	`+ // resolve issue: https://github.com/vuejs/composition-api/issues/876#issue-1087619365`
	`47`	`+ return vueConstructor && hasOwn(Vue, PluginInstalledFlag)`
`47`	`48`	`}`
`48`	`49`
`49`	`50`	`export function getVueConstructor(): VueConstructor {`