firestoreGet

// Define a function to add a post
const getPost = firestoreGet('posts')

// Use the function to get a post
const postId = 'post-id-1'
const myPost = await getPost(postId)

console.log(myPost.title) // 'My First Post'

// Define a function to set a post
const postId = 'post-id-1'
const getComment = firestoreGet<Comment>(`posts/${postId}/comments`)

const commentId = 'comment-id-1'
const myComment = await getComment(commentId)

console.log(myComment.body) // 'What a great post!'

// Define a function to add a post
const getComment = firestoreGet<Comment>(
  ({ postId }) => `posts/${postId}/comments`,
)

const postId = 'post-id-1'
const commentId = 'comment-id-1'

await getComment(commentId, { postId })

console.log(myComment.body) // 'What a great post!'

const post = await getPost('post-id-1')

// If the post doesn't exist, post will be undefined.
const doesPostExist = post !== undefined

// If the post exists, post will be an object with the post data.
console.log(post.title) // 'My First Post'

// The post object will also have an id property.
console.log(post.id) // 'post-id-1'

type Post = {
  title: string
  body: string
}

const getPost = firestoreGet<Post>('posts')

// This return type will be Promise<Post | undefined>
const myPost = await getPost(postId)