feed.ts

1export type Post = {2  name: string;3  seed: number;4  at: string;5  duration: number;6  frames: number;7  size: number;8  segments: number;9  canvas: number;10  story: string;11};1213/* URLS */1415const BASE = "/cdn/feed/p";1617const postName = (name: string) => /^[0-9a-f]{8}$/.test(String(name ?? ""));1819export const postVideo = (name: string) => `${BASE}/${name}/${name}.mp4`;2021export const postMaster = (name: string) => `${BASE}/${name}/${name}-1080.mp4`;2223export const postPoster = (name: string) => `${BASE}/${name}/${name}.webp`;2425export const postManifest = (name: string) => `${BASE}/${name}/${name}.json`;2627export const postRoute = (name: string) => `/feed/${name}/`;2829export const FEED_ROUTE = "/feed/";3031/* INDEX */3233export function posts(text: string): Post[] {34  let rows: unknown = null;35  try {36    rows = JSON.parse(text);37  } catch {38    return [];39  }40  if (!Array.isArray(rows)) return [];41  const out: Post[] = [];42  for (const one of rows as Record<string, unknown>[]) {43    if (!one || !postName(one.name as string)) continue;44    out.push({45      name: String(one.name),46      seed: Number(one.seed ?? 0),47      at: String(one.at ?? ""),48      duration: Number(one.duration ?? 0),49      frames: Number(one.frames ?? 0),50      size: Number(one.size ?? 0),51      segments: Number(one.segments ?? 0),52      canvas: Number(one.canvas ?? 0),53      story: String(one.story ?? ""),54    });55  }56  return out.sort((a, b) => (a.at < b.at ? 1 : a.at > b.at ? -1 : a.name < b.name ? 1 : -1));57}