Component Error Example

/* Copyright (C) 2026 The Qt Company Ltd.
 *
 * SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
*/

function abortInstaller()
{
    installer.setDefaultPageVisible(QInstaller.Introduction, false);
    installer.setDefaultPageVisible(QInstaller.TargetDirectory, false);
    installer.setDefaultPageVisible(QInstaller.ComponentSelection, false);
    installer.setDefaultPageVisible(QInstaller.ReadyForInstallation, false);
    installer.setDefaultPageVisible(QInstaller.StartMenuSelection, false);
    installer.setDefaultPageVisible(QInstaller.PerformInstallation, false);
    installer.setDefaultPageVisible(QInstaller.LicenseCheck, false);

    var abortText = "<font color='red' size=3>" + qsTr("Installation failed:") + "</font>";

    var error_list = installer.value("component_errors").split(";;;");
    abortText += "<ul>";
    // ignore the first empty one
    for (var i = 0; i < error_list.length; ++i) {
        if (error_list[i] !== "") {
            console.log(error_list[i]);
            abortText += "<li>" + error_list[i] + "</li>"
        }
    }
    abortText += "</ul>";
    installer.setValue("FinishedText", abortText);
}

function reactOnAbortInstallerChange()
{
    if (installer.value("ComponentError") === "true")
        abortInstaller();
}

function Component()
{
    installer.finishAllComponentsReset.connect(reactOnAbortInstallerChange);
}