Function getSharedSessionEventEnvelopeProperties

scripts/codegen/utils.ts:1172–1196

(
    schema: JSONSchema7,
    definitionCollections: DefinitionCollections = collectDefinitionCollections(schema as Record<string, unknown>)
)

}

export function getSharedSessionEventEnvelopeProperties(
    schema: JSONSchema7,
    definitionCollections: DefinitionCollections = collectDefinitionCollections(schema as Record<string, unknown>)
): SessionEventEnvelopeProperty[] {
    const variants = getSessionEventVariantSchemas(schema, definitionCollections);
    const firstVariant = variants[0];
    const firstProperties = firstVariant.properties ?? {};

    return Object.entries(firstProperties)
        .filter(([name]) => name !== "type" && name !== "data")
        .map(([name]) => {
            const propertySchemas = variants
                .map((variant) => variant.properties?.[name])
                .filter((propSchema): propSchema is JSONSchema7 => typeof propSchema === "object" && propSchema !== null);

            if (propertySchemas.length !== variants.length) return undefined;

            return {
                name,
                schema: selectSessionEventEnvelopePropertySchema(propertySchemas),
                required: variants.every((variant) => (variant.required ?? []).includes(name)),
            };
        })
        .filter((property): property is SessionEventEnvelopeProperty => property !== undefined);
}

function selectSessionEventEnvelopePropertySchema(propertySchemas: JSONSchema7[]): JSONSchema7 {
    // Some variants further constrain a shared envelope property, e.g. ephemeral const true.