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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only
/*!
\page qmllint-warnings-and-errors-unresolved-alias.html
\ingroup qmllint-warnings-and-errors
\title Unresolved Alias
\brief Property of property alias was not found.
\section1 Unresolved Alias
\section2 What happened?
A property alias should hold a reference to another property, see also
\l{QML Object Attributes#property-aliases}{QML Object Attributes - Property Aliases}.
In this case, it holds a reference to a property that was not found.
\section2 Why is this bad?
Instances of components with unresolved alias will not be created at runtime:
they will be null instead.
\section2 Example
\qml
import QtQuick
Item {
id: someId
property int helloWorld
property alias helloWorldAlias: helloWorld // not ok: aliases have to refer by id
property alias helloWorldAlias2: someId.helloWorlddd // not ok: no helloWorlddd in someId
property alias helloWorldAlias3: someIddd.helloWorld // not ok: someIddd does not exist
}
\endqml
You can fix this warning by making sure that the id and the properties of the alias property
really do exist:
\qml
import QtQuick
Item {
id: someId
property int helloWorld
property alias helloWorldAlias: someId.helloWorld // ok: alias refers by id
property alias helloWorldAlias2: someId.helloWorld // ok: helloWorld does exist in someId
property alias helloWorldAlias3: someId.helloWorld // ok: someId does exist
}
\endqml
*/
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