validateBlogPost.ts

validateBlogPost.ts

import { BlogPost } from '../types'

export const getValidatedBlogPost = (post: any): BlogPost | undefined => {
  if (typeof post !== 'object') return undefined
  if (typeof post.title !== 'string') return undefined
  if (typeof post.time !== 'string') return undefined
  if (typeof post.summary !== 'string') return undefined
  return {
    title: post.title,
    time: post.time,
    summary: post.summary,
  }
}

export const getValidatedBlogPosts = (posts: any): BlogPost[] => {
  if (!Array.isArray(posts)) return []
  return posts
    .map((post) => getValidatedBlogPost(post))
    .filter(Boolean) as BlogPost[]
}