@mintlify/scraping/src/utils/append.ts

Scrape documentation frameworks to Mintlify docs

export function dedupedAppend<T>(item: T, arr: Array<T>, prepend?: boolean): Array<T> {
  if (arr.includes(item)) return arr;
  if (prepend) {
    arr.unshift(item);
  } else {
    arr.push(item);
  }
  return arr;
}