JsonParser class

Parses JSON into a tree of WidgetDescriptor. Supports optional schemaVersion and ui wrapper. Normalizes to children for layout nodes. Validates schemaVersion when present; backward compatibility within major version.

Constructors

JsonParser({List<String> supportedVersions = supportedSchemaVersions})

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

supportedVersions → List<String>

Schema versions accepted when schemaVersion is present in JSON.

final

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

parseMap(Map<String, dynamic> json) → ParsedUi

Parse from a decoded map. Throws JsonParserException on invalid structure. When schemaVersion is present, it must be in supportedVersions.

parseString(String jsonString) → ParsedUi

Parse from a JSON string. Throws on invalid JSON or missing type.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited