Function postProcessSchema

scripts/codegen/utils.ts:197–261

(schema: JSONSchema7)

 * Converts boolean const values to enum.
 */
export function postProcessSchema(schema: JSONSchema7): JSONSchema7 {
    if (typeof schema !== "object" || schema === null) return schema;

    const processed = { ...schema } as JSONSchema7WithDefs;

    if ("const" in processed && typeof processed.const === "boolean") {
        processed.enum = [processed.const];
        delete processed.const;
    }

    if (processed.properties) {
        const newProps: Record<string, JSONSchema7Definition> = {};
        for (const [key, value] of Object.entries(processed.properties).sort(([a], [b]) => a.localeCompare(b))) {
            newProps[key] = typeof value === "object" ? postProcessSchema(value as JSONSchema7) : value;
        }
        processed.properties = newProps;
    }

    if (processed.items) {
        if (typeof processed.items === "object" && !Array.isArray(processed.items)) {
            processed.items = postProcessSchema(processed.items as JSONSchema7);
        } else if (Array.isArray(processed.items)) {
            processed.items = processed.items.map((item) =>
                typeof item === "object" ? postProcessSchema(item as JSONSchema7) : item
            ) as JSONSchema7Definition[];
        }
    }

    for (const combiner of ["anyOf", "allOf", "oneOf"] as const) {
        if (processed[combiner]) {
            processed[combiner] = processed[combiner]!.map((item) =>
                typeof item === "object" ? postProcessSchema(item as JSONSchema7) : item
            ) as JSONSchema7Definition[];
        }
    }

    const { definitions, $defs } = collectDefinitionCollections(processed as Record<string, unknown>);
    let newDefs: Record<string, JSONSchema7Definition> | undefined;
    if (Object.keys(definitions).length > 0) {
        newDefs = {};
        for (const [key, value] of Object.entries(definitions)) {
            newDefs[key] = typeof value === "object" ? postProcessSchema(value as JSONSchema7) : value;
        }
        processed.definitions = newDefs;
    }
    let newDraftDefs: Record<string, JSONSchema7Definition> | undefined;
    if (Object.keys($defs).length > 0) {
        newDraftDefs = {};
        for (const [key, value] of Object.entries($defs)) {
            newDraftDefs[key] = typeof value === "object" ? postProcessSchema(value as JSONSchema7) : value;
        }
        processed.$defs = newDraftDefs;
    }
    if (processed.definitions && !processed.$defs) {
        processed.$defs = { ...(newDefs ?? processed.definitions) };
    } else if (processed.$defs && !processed.definitions) {
        processed.definitions = { ...processed.$defs };
    }