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FluentValidation avatar

FluentValidation/FluentValidation

0
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9,727 stars·1,270 forks·C#·Apache-2.0·23 viewsfluentvalidation.net↗

FluentValidation

FluentValidation is a .NET validation library used to define strongly-typed validation rules for objects. It utilizes a fluent interface API and lambda expressions to ensure data integrity for classes and properties within the .NET type system.

The library separates validation logic from business entities to keep domain models focused on core functionality. This approach enables the enforcement of business logic and the sanitization of input data or API payloads through a sequence of logic checks.

The system supports complex validation surface areas, including the ability to nest validators for recursive validation of object graphs and the integration of custom validator classes. Rules are constructed via method chaining for readability and executed only when a validation request is triggered.

Features

  • Validation Rules - Provides a comprehensive system for defining and enforcing strict data constraints on class properties.
  • Fluent Interfaces - Uses a fluent interface pattern to construct readable and maintainable validation rule chains via method chaining.
  • Strongly-Typed Validators - Implements strongly-typed validators for .NET objects to ensure data integrity through the type system.
  • Data Validation Libraries - Serves as a primary .NET library for defining strongly-typed validation rules using a fluent API.
  • Fluent Interfaces - Employs the fluent interface architectural pattern to allow chained method calls for an expressive validation API.
  • Expression-Based Property Selection - Utilizes typed lambda expressions to map validation rules to properties, ensuring compile-time safety.
  • Input Sanitization - Enables the sanitization and validation of user input and API payloads before they enter the system.
  • Custom Validators - Allows the integration of custom validator classes and functions to implement domain-specific validation logic.
  • Recursive Object Validation - Provides recursive validation of complex object graphs to ensure structural integrity across nested class hierarchies.
  • Validation Logic Decoupling - Separates validation logic from business entities to maintain clean domain models focused on core functionality.
  • General Utilities - Fluent interface for defining complex validation rules.

Star history

Star history chart for fluentvalidation/fluentvalidationStar history chart for fluentvalidation/fluentvalidation

How this analysis was created: This summary and feature list were written by an AI model that read the project's README and public documentation pages. Each feature links to the documentation it came from; stars, license and language come straight from the GitHub API. The model does not read the source code, and the analysis is refreshed when the project is re-analysed. Learn more on our About page.

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Open-source alternatives to FluentValidation

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Frequently asked questions

What does fluentvalidation/fluentvalidation do?

FluentValidation is a .NET validation library used to define strongly-typed validation rules for objects. It utilizes a fluent interface API and lambda expressions to ensure data integrity for classes and properties within the .NET type system.

What are the main features of fluentvalidation/fluentvalidation?

The main features of fluentvalidation/fluentvalidation are: Validation Rules, Fluent Interfaces, Strongly-Typed Validators, Data Validation Libraries, Expression-Based Property Selection, Input Sanitization, Custom Validators, Recursive Object Validation.

What are some open-source alternatives to fluentvalidation/fluentvalidation?

Open-source alternatives to fluentvalidation/fluentvalidation include: jeremyskinner/fluentvalidation — FluentValidation is a strongly-typed data validation library for .NET. It functions as a rule engine and input… devxoul/then — Then is a syntactic sugar library for Swift that provides closure-based extensions for configuring objects and value… typestack/class-validator — class-validator is a TypeScript class validation library that uses decorators to define constraints and rules for… humanizr/humanizer — Humanizer is a .NET natural language formatter and string manipulation library designed to convert technical… khellang/scrutor — Scrutor is a library that extends the standard Microsoft dependency injection container. It provides tools for… elysiajs/elysia — Elysia is a high-performance TypeScript web framework designed for building type-safe backend services. It provides a…