Extraction Config

Configuration for extracting architectural components from source code

Format: JSON or YAML

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Root Properties

Field	Type	Required	Description
$schema	string	No	JSON Schema reference
modules	(module | moduleRef)[]	Yes	Module definitions for component extraction
connections	connectionsConfig	No	Connection detection configuration

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moduleRef

Reference to an external module definition file

Properties:

Field	Type	Required	Description
$ref	string	Yes	File path to a module definition (relative to this config file)

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module

A module defines extraction rules for a path pattern

Properties:

Field	Type	Required	Description
name	string	Yes	Extraction config module identifier
domain	string	Yes	Riviere graph domain this module belongs to
path	string	Yes	Module root directory relative to config file
modules	string	No	Path pattern with {module} placeholder for resolving module names from file paths
glob	string	Yes	Glob pattern for source files within the module directory
extends	string	No	Package name or file path to inherit component rules from
api	componentRule	No	Detection rule for API components
useCase	componentRule	No	Detection rule for UseCase components
domainOp	componentRule	No	Detection rule for DomainOp components
event	componentRule	No	Detection rule for Event components
eventHandler	componentRule	No	Detection rule for EventHandler components
ui	componentRule	No	Detection rule for UI components
customTypes	Record<string, detectionRule>	No	User-defined component types with their detection rules

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componentRule

One of:

• notUsed — Marks this component type as not used in the module
• detectionRule — Rule for detecting components of this type

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notUsed

Marks this component type as not used in the module

Properties:

Field	Type	Required	Description
notUsed	boolean	Yes	(no description)

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detectionRule

Rule for detecting components of this type

Properties:

Field	Type	Required	Description
find	findTarget	Yes	(no description)
where	predicate	Yes	(no description)
extract	extractBlock	No	Extraction rules for metadata fields

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extractBlock

Extraction rules mapping field names to extraction rules

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extractionRule

One of:

• literalExtractionRule — Extracts a hardcoded literal value
• fromClassNameExtractionRule — Extracts value from the class name
• fromMethodNameExtractionRule — Extracts value from the method name
• fromFilePathExtractionRule — Extracts value from the file path using regex capture
• fromPropertyExtractionRule — Extracts value from a class property
• fromDecoratorArgExtractionRule — Extracts value from decorator argument
• fromClassDecoratorArgExtractionRule — Extracts value from decorator argument on the containing class
• fromDecoratorNameExtractionRule — Extracts value from the decorator name itself
• fromGenericArgExtractionRule — Extracts value from generic type argument
• fromMethodSignatureExtractionRule — Extracts method parameters and return type
• fromConstructorParamsExtractionRule — Extracts constructor parameter names and types
• fromParameterTypeExtractionRule — Extracts type name of parameter at position

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fromMethodNameExtractionRule

Extracts value from the method name

Properties:

Field	Type	Required	Description
fromMethodName	boolean | object	Yes	(no description)

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fromFilePathExtractionRule

Extracts value from the file path using regex capture

Properties:

Field	Type	Required	Description
fromFilePath	object	Yes	(no description)

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fromPropertyExtractionRule

Extracts value from a class property

Properties:

Field	Type	Required	Description
fromProperty	object	Yes	(no description)

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fromDecoratorArgExtractionRule

Extracts value from decorator argument

Properties:

Field	Type	Required	Description
fromDecoratorArg	object	Yes	(no description)

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fromClassDecoratorArgExtractionRule

Extracts value from decorator argument on the containing class

Properties:

Field	Type	Required	Description
fromClassDecoratorArg	object	Yes	(no description)

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fromDecoratorNameExtractionRule

Extracts value from the decorator name itself

Properties:

Field	Type	Required	Description
fromDecoratorName	boolean | object	Yes	(no description)

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fromGenericArgExtractionRule

Extracts value from generic type argument

Properties:

Field	Type	Required	Description
fromGenericArg	object	Yes	(no description)

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fromMethodSignatureExtractionRule

Extracts method parameters and return type

Properties:

Field	Type	Required	Description
fromMethodSignature	boolean	Yes	(no description)

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fromConstructorParamsExtractionRule

Extracts constructor parameter names and types

Properties:

Field	Type	Required	Description
fromConstructorParams	boolean	Yes	(no description)

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fromParameterTypeExtractionRule

Extracts type name of parameter at position

Properties:

Field	Type	Required	Description
fromParameterType	object	Yes	(no description)

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fromClassNameExtractionRule

Extracts value from the class name

Properties:

Field	Type	Required	Description
fromClassName	boolean | object	Yes	Extract from class name, optionally with transform

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transform

Transform operations to apply to extracted value

Properties:

Field	Type	Required	Description
stripSuffix	string	No	(no description)
stripPrefix	string	No	(no description)
toLowerCase	boolean	No	(no description)
toUpperCase	boolean	No	(no description)
kebabToPascal	boolean	No	(no description)
pascalToKebab	boolean	No	(no description)

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literalExtractionRule

Extracts a hardcoded literal value

Properties:

Field	Type	Required	Description
literal	string | boolean | number	Yes	Literal value to use for this field

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findTarget

The code construct to search for

Values:

• "classes"
• "methods"
• "functions"

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connectionsConfig

Connection detection configuration

Properties:

Field	Type	Required	Description
eventPublishers	eventPublisherConfig[]	No	Declares which custom component types publish events and how to detect the connections
httpLinks	httpLinkConfig[]	No	Declares how to resolve HTTP client calls into cross-domain Links

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httpLinkConfig

Declares how to resolve HTTP client calls into cross-domain Links

Properties:

Field	Type	Required	Description
fromCustomType	string	Yes	Custom component type name for HTTP clients — must be defined in customTypes in at least one module
matchDomainBy	string	Yes	Metadata key whose value identifies the target domain
matchApiBy	string[]	Yes	Metadata keys used to match the target API component

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eventPublisherConfig

Declares a custom component type as an event publisher

Properties:

Field	Type	Required	Description
fromType	string	Yes	The custom component type name — must be defined in customTypes in at least one module
metadataKey	string	Yes	The metadata key on this component type that holds the published event type name

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See Also

• Predicate Reference
• TypeScript Getting Started