class-transformer-validator vs class-transformer

Side-by-side — pricing, strengths, tradeoffs, and fit.

class-transformer-validator

A simple wrapper around class-transformer and class-validator for TypeScript.

class-transformer

Decorator-based transformation for JavaScript objects to class constructors

At a glance

Open SourceFree Tier
◌ Declining·From $0
Open SourceFree Tier
◌ Declining·From $0

Overview

One-liner

A simple wrapper around class-transformer and class-validator for TypeScript.

One-liner

Decorator-based transformation for JavaScript objects to class constructors

Maturity

Declining

Maturity

Declining

Open source

✓ Yes

Open source

✓ Yes

Pricing

Free tier

✓ Available

Open source — free to use

Free tier

✓ Available

Open source — free to use

Starts at

$0

Starts at

$0

Model

Flat rate

Model

Flat rate

Enterprise

✕ None

Enterprise

✕ None

Best for

✓ Best for

TypeScript developers who need to validate and transform incoming data into class instances
Projects that require seamless integration between data transformation and validation processes

✓ Best for

Teams working on TypeScript projects that require seamless conversion between plain objects and class instances
Projects where maintaining consistency in object models is crucial for data integrity and ease of use

Not ideal for

✕ Not for

Applications not using TypeScript or needing more complex validation logic beyond what class-validator offers
Scenarios where a standalone, non-TypeScript solution is preferred

✕ Not for

Applications requiring real-time data transformation without the overhead of decorators
Scenarios where minimal dependencies are preferred over enhanced functionality

Strengths

↑ Strengths

Simplified API for data transformation and validation
Integration with class-transformer and class-validator
Programmer-friendly design

↑ Strengths

Decorator-based transformation for easy object serialization and deserialization
Supports both plain JavaScript objects and TypeScript classes
Flexible configuration options for customizing the transformation process

Weaknesses

↓ Weaknesses

Steep learning curve for non-TypeScript developers
Limited integrations with third-party libraries
Performance overhead due to runtime checks

↓ Weaknesses

Steep learning curve for non-TypeScript developers
Limited documentation and examples
Performance overhead due to runtime checks
Full class-transformer-validator profile →Full class-transformer profile →