JsonFactoryBuilder class

A custom Builder that generates the centralized JsonFactory implementation.

This builder creates a single, optimized factory class that handles JSON parsing for all models in your project. It supports both manual JSON serialization and code generated by json_serializable.

Features:

  • Unified JSON parsing through JsonFactory.fromJson
  • Full support for generics (List
  • Strong type checking at compile time
  • Clear error messages for common issues
  • Zero runtime setup required
  • Automatic null safety handling

Configuration:

  • output_path: Where to generate the factory (default: "lib/generated")
  • output_file_name: Name of output file (default: "json_factory")

Best Practices:

  • Keep the generated file under source control
  • Run generation after adding new models
  • Use with json_serializable for complex models
  • Check generated code for type safety

Constructors

JsonFactoryBuilder(BuilderOptions options)

Properties

buildExtensions Map<String, List<String>>
Mapping from input file extension to output file extensions.
no setter
hashCode int
The hash code for this object.
no setterinherited
options → BuilderOptions
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

Methods

build(BuildStep buildStep) Future<void>
Generates the outputs for a given BuildStep.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() String
A string representation of this object.
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited