appwrite-utils-cli/dist/utils/typeGuards.js

Appwrite Utility Functions to help with database management, data conversion, data import, migrations, and much more. Meant to be used as a CLI tool, I do not recommend installing this in frontend environments.

import { logger } from "../shared/logging.js";
/**
 * Type guard and validation utilities
 */
/**
 * Type guard to check if object is a DatabaseAdapter
 * @param db - Object to check
 * @returns True if object is DatabaseAdapter
 */
export function isDatabaseAdapter(db) {
    const isAdapter = 'getMetadata' in db && typeof db.getMetadata === 'function';
    logger.debug('Adapter type detection', {
        isAdapter,
        hasGetMetadata: 'getMetadata' in db,
        getMetadataType: typeof db.getMetadata,
        operation: 'isDatabaseAdapter'
    });
    return isAdapter;
}
/**
 * Type guard to check if object is legacy Databases instance
 * @param db - Object to check
 * @returns True if object is Databases (not DatabaseAdapter)
 */
export function isLegacyDatabases(db) {
    return !isDatabaseAdapter(db);
}
/**
 * Checks if object has metadata property
 * @param obj - Object to check
 * @returns True if object has metadata
 */
export function hasMetadata(obj) {
    return obj && typeof obj === 'object' && 'metadata' in obj;
}
/**
 * Type guard for collection create objects
 * @param obj - Object to check
 * @returns True if object looks like CollectionCreate
 */
export function isCollectionCreate(obj) {
    return obj &&
        typeof obj === 'object' &&
        'name' in obj &&
        ('$id' in obj || 'collectionId' in obj);
}
/**
 * Type guard for table create objects
 * @param obj - Object to check
 * @returns True if object looks like TableCreate
 */
export function isTableCreate(obj) {
    return obj &&
        typeof obj === 'object' &&
        'name' in obj &&
        ('tableId' in obj || '$id' in obj);
}