Function hasRootNode

src/native-ts/color-diff/index.ts:491–500

(emitter: unknown)

// prior `as unknown as` cast hid a version mismatch (_emitter vs emitter,
// scope vs kind) behind a silent gray fallback.
function hasRootNode(emitter: unknown): emitter is { rootNode: HljsNode } {
  return (
    typeof emitter === 'object' &&
    emitter !== null &&
    'rootNode' in emitter &&
    typeof emitter.rootNode === 'object' &&
    emitter.rootNode !== null &&
    'children' in emitter.rootNode
  )
}

let loggedEmitterShapeError = false