Function mergeModels

packages/runtime-core/src/apiSetupHelpers.ts:481–488

(
  a: ComponentPropsOptions | EmitsOptions,
  b: ComponentPropsOptions | EmitsOptions,
)

 * @internal
 */
export function mergeModels(
  a: ComponentPropsOptions | EmitsOptions,
  b: ComponentPropsOptions | EmitsOptions,
): ComponentPropsOptions | EmitsOptions {
  if (!a || !b) return a || b
  if (isArray(a) && isArray(b)) return a.concat(b)
  return extend({}, normalizePropsOrEmits(a), normalizePropsOrEmits(b))
}

/**
 * Used to create a proxy for the rest element when destructuring props with