Function resolveChildrenNamespace

packages/runtime-core/src/renderer.ts:2474–2486

(
  { type, props }: VNode,
  currentNamespace: ElementNamespace,
)

}

function resolveChildrenNamespace(
  { type, props }: VNode,
  currentNamespace: ElementNamespace,
): ElementNamespace {
  return (currentNamespace === 'svg' && type === 'foreignObject') ||
    (currentNamespace === 'mathml' &&
      type === 'annotation-xml' &&
      props &&
      props.encoding &&
      props.encoding.includes('html'))
    ? undefined
    : currentNamespace
}

function toggleRecurse(
  { effect, job }: ComponentInternalInstance,