Function unwrapLView

packages/core/src/render3/util/view_utils.ts:73–81

(value: RNode | LView | LContainer)

 * @param value wrapped value of `RNode`, `LView`, `LContainer`
 */
export function unwrapLView(value: RNode | LView | LContainer): LView | null {
  while (Array.isArray(value)) {
    // This check is same as `isLView()` but we don't call at as we don't want to call
    // `Array.isArray()` twice and give JITer more work for inlining.
    if (typeof value[TYPE] === 'object') return value as LView;
    value = value[HOST] as any;
  }
  return null;
}

/**
 * Retrieves an element value from the provided `viewData`, by unwrapping