Needle
A compile-time safe Swift dependency injection framework that uses code generation to ensure reliability.
What is Needle?
Needle is a dependency injection framework for Swift that uses code generation to ensure compile-time safety. It provides a hierarchical DI structure where dependencies are defined through Swift protocols and components, guaranteeing that if the code compiles, the injection works correctly. It solves the problem of runtime DI failures common in other frameworks.
iOS and Swift developers building large-scale applications who need reliable, scalable dependency injection. It's particularly suited for teams working with architectures like RIBs or MVx in multi-million-line codebases.
Developers choose Needle because it offers compile-time safety, eliminating runtime DI errors and providing confidence during code changes. Its performance-optimized code generation and compatibility with various iOS architectures make it a robust alternative to annotation-based DI frameworks.
Overview
Compile-time safe Swift dependency injection framework
Use Cases
Best For
- Large-scale iOS applications with complex dependency graphs
Related Projects
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