CreateTypeParameterFromUsageFix: fix KNPE for type alias

#KT-33302 Fixed #EA-120181 Fixed
2019-08-13 16:54:45 +07:00
parent 932765744a
commit cf3b92d80e
5 changed files with 21 additions and 2 deletions
@@ -489,9 +489,10 @@ fun KtTypeParameterListOwner.addTypeParameter(typeParameter: KtTypeParameter): K
    val list = KtPsiFactory(this).createTypeParameterList("<X>")
    list.parameters[0].replace(typeParameter)
    val leftAnchor = when (this) {
-        is KtClass -> nameIdentifier ?: getClassOrInterfaceKeyword()
+        is KtClass -> nameIdentifier
        is KtNamedFunction -> funKeyword
        is KtProperty -> valOrVarKeyword
+        is KtTypeAlias -> nameIdentifier
        else -> null
    } ?: return null
    return (addAfter(list, leftAnchor) as KtTypeParameterList).parameters.first()