Function unionProcessor

packages/zod/src/v4/core/json-schema-processors.ts:336–352

(schema, ctx, json, params)

};

export const unionProcessor: Processor<schemas.$ZodUnion> = (schema, ctx, json, params) => {
  const def = schema._zod.def as schemas.$ZodUnionDef;
  // Exclusive unions (inclusive === false) use oneOf (exactly one match) instead of anyOf (one or more matches)
  // This includes both z.xor() and discriminated unions
  const isExclusive = def.inclusive === false;
  const options = def.options.map((x, i) =>
    process(x, ctx as any, {
      ...params,
      path: [...params.path, isExclusive ? "oneOf" : "anyOf", i],
    })
  );
  if (isExclusive) {
    json.oneOf = options;
  } else {
    json.anyOf = options;
  }
};

export const intersectionProcessor: Processor<schemas.$ZodIntersection> = (schema, ctx, json, params) => {
  const def = schema._zod.def as schemas.$ZodIntersectionDef;