Meteor: JavaScript Full-Stack Application Platform

import { Meteor } from 'meteor/meteor';
import { Mongo } from 'meteor/mongo';
import { Template } from 'meteor/templating';
import { ReactiveVar } from 'meteor/reactive-var';

// Create a MongoDB collection
const Tasks = new Mongo.Collection('tasks');

if (Meteor.isClient) {
  // Template helper for displaying tasks
  Template.body.helpers({
    tasks() {
      return Tasks.find({}, { sort: { createdAt: -1 } });
    }
  });

  // Template event handlers
  Template.body.events({
    'submit .new-task'(event) {
      event.preventDefault();
      const target = event.target;
      const text = target.text.value;
      
      // Insert a task into the collection
      Tasks.insert({
        text: text,
        createdAt: new Date(),
        owner: Meteor.userId(),
        username: Meteor.user().username
      });
      
      target.text.value = '';
    },
    'click .delete'() {
      Tasks.remove(this._id);
    }
  });
}