Function positionFor

src/compat/database/list/changes.ts:19–27

(changes: SnapshotAction<T>[], key)

}

function positionFor<T>(changes: SnapshotAction<T>[], key) {
  const len = changes.length;
  for (let i = 0; i < len; i++) {
    if (changes[i].payload.key === key) {
      return i;
    }
  }
  return -1;
}

function positionAfter<T>(changes: SnapshotAction<T>[], prevKey?: string) {
  if (isNil(prevKey)) {