install all the dependencies using npm install. This method does the job of listening for refreshTodo event.īelow we wrap all our components in a parent component named App.vue. From server directory, open a terminal and run go run main.go. The instances created from the model constructor are documents which will be persisted by Mongo. That's because when a model is compiled, the result is a constructor function that is used to create instances of the model. Notice that the Todo model is capitalized. Notice that the Todo model is capitalized. MongoDB will automatically generate an id for each Todo that we create. ListTodo is responsible for rendering todo items. MongoDB will automatically generate an id for each Todo that we create.

listenToEvents(): In CreateTodo component, we emit events when a new todo item is added so the list.

deleteTodo(id) runs when you click the trash button.

updateTodo(todo) is called when you make changes to todo items and hit enter.

fetchTodo() makes a GET call to backend and gets all todo items.

How to create a Full Stack Todo List Application.

The student will learn the basics of RESTful API development with NestJS. Let's take a moment to explain what is going on in the code. Learn to build a Full Stack NestJS and Svelte Application in No Time. var mongoose require( mongoose ) var Todo mongoose.model( Todo ) Redirect. We also have made changes to our UI by mapping through todos array and rendering each Todo and changing CSS classes dynamically when a Todo is done.Create todos Hit enter to save import axios from ' axios ' import bus from '. First we have to require mongoose and the Todo model before we can use it. First, we have added a connection to our database (don’t forget to change YOURMONGODBCONNECTIONSTRING to your actual connection string).

The component will reflect all these changes because we also call the forceUpdate function - if any change gets caught, the component will re-render itself.įinally, we are using the onDestroy lifecycle method to close the connection to the database when a component instance gets destroyed.

on delete a specific Todo from todos array will be deleted.

on update a specific Todo from todos array will be updated.

on insert a Todo will be pushed to todos array.

Then we added real-time functionality by watching for changes to database todoListCollection.watch(): Then we made the initial fetch of our Todo list by converting it to an array - let todos = await todoListCollection.find().toArray(). First, we have added a connection to our database (don’t forget to change YOUR_MONGODB_CONNECTION_STRING to your actual connection string).

Todolist app using mongodb