Posts tagged “Swift”

Conveniences to encode and decode JSON in snake_case without boilerplate, reusable in both the iOS client and the Vapor server.

Convert an Array of Identifiable elements (with optional ID of type UUID?) into a [UUID: Element] dictionary, ignoring null IDs and maintaining O(1) access.

Schedule the same ScheduledJob multiple times per hour with an expressive API: every N minutes, without repeating configuration or cron strings.

Implementation of a robust system for managing asynchronous task lists with database state persistence using Swift and Vapor.

A Swift pattern to orchestrate multi-step processes with a repeat-while state machine, deterministic control and recovery after failures.

Build a concurrentMap extension on Sequence using Swift structured concurrency to run async transformations in parallel with Sendable safety and error handling.

Build a sequential asyncMap extension on Sequence in Swift to transform collections with async/await while preserving order and limiting resources.

Build a generic Swift function that combines guard-let unwrapping, error logging, and exception throwing in a single reusable line for Vapor backends.

Learn how to use the space property in Vapor's Fluent models to organize database tables into namespaces, and avoid a subtle optional type declaration bug.

Extend Vapor's SQLCreateIndexBuilder to support partial indexes with WHERE clauses on NULL columns, avoiding raw SQL while keeping type safety in Swift.