Module common_types 

A2UI v1.0 Common Types

Mirrors the JSON Schema common_types.json — the core data binding types used throughout the A2UI protocol.

Structs

AccessibilityAttributes

Accessibility attributes for a component.

ActionEvent

A server-bound event with optional context.

CheckRule

A validation check with a boolean condition and an error message.

DataBinding

A JSON Pointer path into the data model. Serialized as { "path": "/some/pointer" }.

FunctionCall

A named function call with arguments. Each argument value can itself be any JSON value (including nested Dynamic values).

Enums

Action

An action triggered by user interaction (e.g. button click).

Align

Cross-axis alignment (maps to flexbox align-items).

ChildList

Describes the children of a container component.

DynamicBoolean

A value that is either a literal boolean, a data-binding, or a function call.

DynamicBooleanCondition

A value that is either a literal boolean (via condition key), a data-binding, or a function call — used in CheckRule conditions.

DynamicNumber

A value that is either a literal number, a data-binding, or a function call.

DynamicString

A value that is either a literal string, a data-binding, or a function call.

DynamicStringList

A dynamic value that resolves to a list of strings.

DynamicValue

A general-purpose dynamic value — can be any JSON primitive, binding, or function call.

Justify

Main-axis alignment (maps to flexbox justify-content).

Type Aliases

ComponentId

Unique identifier for a component instance within a surface.