Building a practical to-do list app with Vue.js

A to-do list is a small project with enough moving parts to teach the foundations of modern front-end development. It gives you a useful setting for learning components, reactive state, form handling, conditional rendering and browser storage without requiring a large backend.

Vue.js suits this kind of application because its structure is approachable while still supporting production-grade patterns. A task manager can begin as a single page with a text field and gradually grow to include due dates, filters, priorities, recurring tasks and synchronisation.

For an Australian audience, the example can reflect everyday routines such as school drop-offs in Brisbane, commuting across Sydney, weekend jobs in Perth or appointments scheduled around public holidays. A calm visual presentation, generous whitespace and readable typography can make the finished app feel useful rather than crowded.

Defining the app before writing code

Start by deciding what a task contains. A simple object might include an id, title, completed flag, priority, dueDate and createdAt value. Keeping the data model small makes the first version easier to test and leaves room for later features.

The initial interface can have an input for a task title, an add button, a list of saved items and controls for completing or removing them. A filter for “all”, “active” and “completed” tasks adds useful practice with computed properties. Priority labels such as low, medium and high can help users distinguish a quick errand from a deadline.

Use realistic examples while developing. A task list might contain “Book a Melbourne dentist appointment”, “Pick up supplies in Parramatta” or “Submit BAS records before the due date”. Australian users may also need dates displayed in the day-month-year format, while daylight saving differences between Sydney and Brisbane should be considered if the app later handles exact times.

A clear visual hierarchy matters as much as functionality. A restrained colour palette, consistent spacing and carefully chosen photography or illustrations can support the calm presentation associated with nature-inspired landing pages. A design reference such as Shoreditch interiors can inspire an understated approach to texture, colour and layout without distracting from the task list.

Setting up a Vue project

The current Vue ecosystem commonly uses Vite to create a fast development environment. With Node.js installed, a new project can be generated from the terminal:

npm create vite@latest vue-tasks -- --template vue
cd vue-tasks
npm install
npm run dev

Choose the Vue option when prompted, then open the local address shown by Vite. The starter files include a root component, a main entry point and basic styling. Removing the sample content early helps keep the project focused.

A useful component structure might include TaskForm.vue, TaskList.vue, TaskItem.vue and TaskFilters.vue. The root App.vue can own the shared task state, while child components receive data through props and communicate changes with emitted events. This division keeps each file readable and mirrors the way larger Vue applications are organised.

For a small learning project, the Composition API provides a clear way to group related logic. The following pattern creates reactive state and a derived list:

<script setup>
import { computed, ref } from 'vue'

const tasks = ref([])
const filter = ref('all')

const visibleTasks = computed(() => {
  if (filter.value === 'active') {
    return tasks.value.filter(task => !task.completed)
  }

  if (filter.value === 'completed') {
    return tasks.value.filter(task => task.completed)
  }

  return tasks.value
})
</script>

The ref wrapper makes the array reactive, while computed recalculates the visible items when tasks or the selected filter changes. This is simpler and safer than manually manipulating the document after every click.

Adding tasks and managing state

The form component can bind an input to a local value with v-model. When the form is submitted, prevent the browser’s default refresh, trim whitespace and create a new object. Empty task names should be rejected because they create confusing rows and make keyboard navigation less predictable.

A task toggle can be handled with a method that changes the selected item’s completed property. Removing a task should use its stable identifier rather than its position in the array. Array indexes can change after filtering or deletion, so an identifier generated with crypto.randomUUID() is a better choice in modern browsers.

For a clean interface, show completed tasks with a checked box, muted text and a subtle line-through style. Avoid relying on colour alone to communicate status. A visible label or native checkbox state helps people using screen readers and users viewing the page in bright outdoor conditions.

Persistence makes the project feel like a real application. A watcher can save the current array to localStorage whenever it changes:

import { onMounted, watch } from 'vue'

onMounted(() => {
  const saved = localStorage.getItem('tasks')
  if (saved) tasks.value = JSON.parse(saved)
})

watch(tasks, value => {
  localStorage.setItem('tasks', JSON.stringify(value))
}, { deep: true })

Local storage is appropriate for a single-device prototype, but it is not a substitute for a database. If users later create accounts or sync lists across devices, the app will need an API, authentication and a clear data-retention policy. A development workflow that includes server-side work can be compared with this guide to setting up a LAMP stack, particularly when a Vue front end is paired with a PHP service.

Designing for Australian use

Dates and schedules deserve careful treatment. Australian users may plan tasks around school terms, local council collections, sporting events and public holidays that vary between states and territories. A due-date input can store an ISO value internally while presenting a familiar local format to the user. When time zones matter, use a proper date-time library rather than relying on string manipulation.

The app should also work well on mobile networks and modest devices. People may add tasks while commuting through Sydney, waiting for a tram in Melbourne or shopping in Adelaide. Keep the JavaScript bundle modest, avoid unnecessary animations and make the primary action available without a connection when local storage is being used.

Privacy is relevant even for a basic checklist. A task may reveal health appointments, work schedules or household information. If the application collects personal information from Australian users, its handling should be assessed against the Privacy Act 1988 and the Australian Privacy Principles, especially around notice, access, security and deletion. A simple local-only version should explain that entries stay in the browser.

Accessibility should be part of the design from the beginning. Use a proper <label> for the task field, semantic buttons for actions and visible focus states for keyboard users. The Disability Discrimination Act 1992 is an important Australian context for digital accessibility, and following recognised practices such as WCAG helps produce a more inclusive experience.

Testing and extending the task manager

Test the main flows before adding advanced features. A useful checklist includes creating a task, submitting an empty form, marking an item complete, deleting an item, switching filters and refreshing the page. Also test long titles, duplicate names, special characters and a list containing dozens or hundreds of tasks.

Responsive testing should cover narrow phones, tablets and large screens. Check whether buttons remain comfortable to tap, whether priority labels wrap gracefully and whether the empty state explains what to do next. A quiet empty screen with a short prompt is more useful than a blank container.

Once the core version is stable, add editing, sorting and drag-and-drop carefully. A search field can filter tasks by title, while a priority selector can surface urgent work. Recurring tasks require a clear rule for when the next item is created, and reminders may require browser notification permission that should never be requested without a clear user action.

A weather widget could make a household planner more useful for outdoor tasks, such as washing the car or visiting a weekend market. The existing tutorial on building a weather app offers a relevant example of consuming an external API, although production code should handle loading states, API failures, rate limits and location privacy.

Preparing the app for release

Before deployment, remove unused assets, check the production build and inspect the browser console for warnings. Vite creates an optimised bundle with npm run build, and the resulting files can be hosted on a static platform. If the app stays local-only, static hosting is enough; a synchronised version will need a server or managed backend.

A polished release should include helpful empty states, error messages and confirmation for destructive actions. Deleting a task immediately may be acceptable for a tiny list, but an undo action can prevent accidental loss. The interface should explain whether data is stored locally, sent to a server or removed when the browser cache is cleared.

Typography and whitespace have a practical role in the final presentation. A readable font size, generous row spacing and restrained decoration reduce cognitive load when users scan several tasks. Photography should support the page rather than compete with controls, particularly if the surrounding website uses a visual, editorial style.

Building a to-do list app with Vue.js therefore becomes a compact exercise in product thinking as well as coding. The project teaches reactive interfaces, component communication, persistence, accessibility and responsible data handling. By starting with a focused task model and gradually adding features, developers can produce a useful application that feels familiar to Australian users while retaining a clean, adaptable foundation. A broader conference resource can also serve as an example of how structured information, clear navigation and focused page layouts help users find what matters quickly.