sample code for reading a document from db and parsing it to json from the action

import { type CreateTask, type MarkTaskAsDone } from 'wasp/server/operations'  
  
type Task = {  
 id: number  
 description: string  
 isDone: boolean  
}  
  
// our "database"  
let nextId = 4  
const tasks = [  
 { id: 1, description: 'Buy some eggs', isDone: true },  
 { id: 2, description: 'Make an omelette', isDone: false },  
 { id: 3, description: 'Eat breakfast', isDone: false },  
]  
  
// The 'args' object is something sent by the caller (most often from the client)  
export const markTaskAsDone: MarkTaskAsDone<Pick<Task, 'id'>, void> = (  
 args  
) => {  
 const task = tasks.find((task) => task.id === args.id)  
 if (!task) {  
 // We'll show how to properly handle such errors later  
 return  
 }  
 task.isDone = true  
}

const task = await Task.findUnique({ where: { id: args.id } })

const taskJson = JSON.stringify(task)

const taskObject = JSON.parse(taskJson)

const post = await context.entities.PostComments.findUnique({
    where: { postId: args.postId }
})

if (post) {
    const postJson = JSON.stringify(post)
    // Use postJson here
} else {
    // Handle the case where no post was found
}

setState(JSON.parse(postJson))

const post = await context.entities.PostComments.findUnique({
    where: { postId: args.postId }
})

if (post) {
    const comments = post.comments
    // Now you can work with `comments` array
} else {
    // Handle the case where no post was found
}

const postJson = JSON.stringify(post)
const postObject = JSON.parse(postJson)
const comments = postObject.comments