export async function setDependencyVersionHandler()

in src/handlers/setDependencyVersionHandler.ts [15:64]
47 lines of code
17 McCabe index (conditional complexity)

export async function setDependencyVersionHandler(selectedItem?: any): Promise<void> {
    let pomPath: string;
    let effectiveVersion: string;
    if (selectedItem && selectedItem.pomPath) { // codeAction
        pomPath = selectedItem.pomPath;
        effectiveVersion = selectedItem.effectiveVersion;
    } else if (selectedItem && selectedItem instanceof Dependency) {
        pomPath = selectedItem.projectPomPath;
        effectiveVersion = selectedItem.omittedStatus?.effectiveVersion ?? selectedItem.version;
    } else {
        throw new UserError("No dependency node specified.");
    }

    if (!await fse.pathExists(pomPath)) {
        throw new UserError("Specified POM file does not exist on file system.");
    }

    const gid: string = selectedItem.groupId;
    const aid: string = selectedItem.artifactId;
    const versions: string[] = getAllVersionsInTree(pomPath, gid, aid);
    const OPTION_SEARCH_MAVEN_CENTRAL: string = "Search Maven Central Repository...";
    versions.push(OPTION_SEARCH_MAVEN_CENTRAL);

    let selectedVersion: string | undefined = await vscode.window.showQuickPick(
        versions.map(version => ({ value: version, label: version !== OPTION_SEARCH_MAVEN_CENTRAL ? `$(package) ${version}` : version, description: version === effectiveVersion ? "effective" : undefined })),
        {
            placeHolder: `Select a version for ${gid}:${aid}...`,
            ignoreFocusOut: true
        }
    ).then(version => version ? version.value : undefined);
    if (selectedVersion === undefined) {
        return;
    }
    if (selectedVersion === OPTION_SEARCH_MAVEN_CENTRAL) {
        const selectedVersionFromMavenCentral: string | undefined = await vscode.window.showQuickPick<vscode.QuickPickItem & { value: string }>(
            getVersions(gid, aid).then(artifacts => artifacts.map(artifact => ({ value: artifact.v, label: `$(package) ${artifact.v}`, description: artifact.v === effectiveVersion ? "effective" : undefined }))),
            {
                placeHolder: `Select a version for ${gid}:${aid}...`,
                ignoreFocusOut: true
            }
        ).then(artifact => artifact ? artifact.value : undefined);
        if (selectedVersionFromMavenCentral === undefined) {
            return;
        }
        selectedVersion = selectedVersionFromMavenCentral;
    }
    if (selectedVersion !== effectiveVersion) {
        await setDependencyVersion(pomPath, gid, aid, selectedVersion);
    }
}