Class Transformer Extra vs class-transformer

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

Class Transformer Extra

Enhances class-transform with additional methods 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

Enhances class-transform with additional methods 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 additional methods for class transformation beyond what class-transform offers.
Projects that require extensive object transformations and mappings.

✓ 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

Developers looking for a full-featured ORM solution
Projects requiring real-time data synchronization

✕ Not for

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

Strengths

↑ Strengths

Additional methods for object transformation beyond class-transform
Enhanced support for TypeScript features
Compatibility with existing class-transform usage

↑ 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

Small community support
Performance overhead due to extensive type checking
Depends on class-transformer's limitations and bugs

↓ Weaknesses

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