gerbeur/api/model/follow.ts

import type { SQLOutputValue } from "node:sqlite";

export interface FollowRow {
  id: string;
  follower_id: string;
  followed_user_id: string | null;
  followed_playlist_id: string | null;
  created_at: string;
  [key: string]: SQLOutputValue;
}

export function isFollowRow(
  obj: unknown,
): obj is FollowRow {
  return !!obj && typeof obj === "object" &&
    "id" in obj && typeof obj.id === "string" &&
    "follower_id" in obj && typeof obj.follower_id === "string" &&
    "created_at" in obj && typeof obj.created_at === "string" &&
    "followed_user_id" in obj && (obj.followed_user_id === null ||
      typeof obj.followed_user_id === "string") &&
    "followed_playlist_id" in obj && (obj.followed_playlist_id === null ||
      typeof obj.followed_playlist_id === "string");
}