/**
 * Helper: Normalize DocumentQuery to standard {id?: number, path?: string} format
 */
export function normalizeDocumentQuery(query) {
    // string => path
    if (typeof query === 'string')
        return { path: query };
    // number => id
    if (typeof query === 'number')
        return { id: query };
    // object shapes
    if (query && typeof query === 'object') {
        // Route => use document_id (ignore route.id)
        if ('document_id' in query && typeof query.document_id === 'number') {
            return { id: query.document_id };
        }
        const queryWithId = query;
        const queryWithPath = query;
        const hasId = 'id' in query && typeof queryWithId.id === 'number';
        const hasPath = 'path' in query && typeof queryWithPath.path === 'string';
        // DualDocument (has both id and path) => prefer id
        if (hasId && hasPath) {
            return { id: queryWithId.id };
        }
        if (hasId)
            return { id: queryWithId.id };
        if (hasPath)
            return { path: queryWithPath.path };
        // Fallback: handle objects with non-standard types or empty objects
        const result = {};
        if ('id' in query && queryWithId.id !== undefined && queryWithId.id !== null) {
            result.id = queryWithId.id;
        }
        if ('path' in query && queryWithPath.path !== undefined && queryWithPath.path !== null) {
            result.path = queryWithPath.path;
        }
        // If both are present (e.g., OptimisticDocument), prefer id
        if (result.id !== undefined && result.path !== undefined) {
            return { id: result.id };
        }
        return result;
    }
    throw new Error('Invalid DocumentQuery format');
}
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