@tsed/schema/lib/esm/components/open-spec/nullableMapper.js

JsonSchema module for Ts.ED Framework

import { cleanObject } from "@tsed/core";
import { SpecTypes } from "../../domain/SpecTypes.js";
import { registerJsonSchemaMapper } from "../../registries/JsonSchemaMapperContainer.js";
import { nullableMapper } from "../default/nullableMapper.js";
export function nullableMapperOpenApi(obj, schema, options) {
    if (!schema?.isNullable) {
        return obj;
    }
    if (options.specVersion === "3.1.0") {
        return nullableMapper(obj, schema);
    }
    if (obj.$ref) {
        return cleanObject({
            ...obj,
            ...(obj.$ref && {
                anyOf: [
                    {
                        $ref: obj.$ref
                    }
                ],
                type: undefined
            }),
            nullable: true,
            $ref: undefined
        });
    }
    return cleanObject({
        ...obj,
        ...(obj.anyOf?.length === 1
            ? {
                ...obj.anyOf[0],
                anyOf: undefined,
                type: Number.isInteger(obj.multipleOf) ? "integer" : obj.anyOf[0]?.type
            }
            : {
                type: obj.anyOf?.length > 1 ? undefined : obj.type,
                anyOf: obj.anyOf?.map((item) => {
                    if (Number.isInteger(item.multipleOf)) {
                        item.type = "integer";
                    }
                    return item;
                })
            }),
        nullable: true
    });
}
registerJsonSchemaMapper("nullable", nullableMapperOpenApi, SpecTypes.OPENAPI);
registerJsonSchemaMapper("nullable", nullableMapperOpenApi, SpecTypes.SWAGGER);