Function getOrComputeI18nChildren

packages/core/src/hydration/i18n.ts:83–93

(
  tView: TView,
  context: HydrationContext,
)

 * in order to determine which indices in a LView are translated.
 */
export function getOrComputeI18nChildren(
  tView: TView,
  context: HydrationContext,
): Set<number> | null {
  let i18nChildren = context.i18nChildren.get(tView);
  if (i18nChildren === undefined) {
    i18nChildren = collectI18nChildren(tView);
    context.i18nChildren.set(tView, i18nChildren);
  }
  return i18nChildren;
}

function collectI18nChildren(tView: TView): Set<number> | null {
  const children = new Set<number>();