Vue 2 to Vue 3 migration services

At Innowise, we offer expert Vue 2 to Vue 3 migration services for a rapid transition that enhances performance and introduces new features to your web apps. Our team manages all the migration complexities, ensuring a swift and smooth upgrade to Vue 3’s improved performance, enhanced composition API, and refined reactivity system. Our focus during the Vue 3 migration process is to reduce any operational downtime and ensure business activities continue smoothly, guaranteeing a non-disruptive update to your system.

Migrate Vue 2 to 3 to overcome limitations of the outdated technology

Why you should migrate to Vue 3

Vue 2 to Vue 3 migration with Innowise refines your web applications, making them more responsive and capable. This update simplifies the development process to improve the flexibility, security and responsiveness of your digital platforms to the latest user preferences and technological shifts.

Understanding Vue 3: key features

Vue 2 to Vue 3 migration provides access to a suite of new features, each designed to enhance application development and performance.

Performance enhancements

Vue 2 to Vue 3 migration introduces a new virtual DOM implementation and tree-shaking techniques, resulting in faster rendering and smaller bundle sizes. The new virtual DOM can improve rendering performance more than twice.

Improved TypeScript support

Vue 3 migration enables better integration with TypeScript, enhancing type checking, autocompletion, and refactoring capabilities. This updated support makes it easier to work with Vue.js and TypeScript together, leading to better coding experiences.

Multiple root elements

In Vue 2, components require a single root element, often leading to additional wrapper elements. Vue 3 migration removes this limitation, allowing components to have multiple root elements. This change leads to cleaner and more robust code.

Suspense component

Vue 2 to Vue 3 migration simplifies the handling of asynchronous operations and loading states with the Suspense component. It facilitates tasks like fetching data or lazy-loading components, providing fallback content while waiting for the main content to load.

Composition API

Unlike the Options API, the Composition API enables better extensibility, particularly for complex components. It allows developers to use functions like ref and reactive to create reactive data, offering a simpler way to manage component logic.

Teleport component

This feature allows rendering specific parts of a component outside its DOM tree. It’s particularly useful for modals, pop-ups, and tooltips. For instance, you can render a modal component within a specific container element in the main DOM tree.

Fragments

Vue 3’s fragments feature allows multiple root elements in a single component, eliminating the need for unnecessary wrapper divs. This enhancement simplifies the component structure, making templates cleaner and more intuitive to read and maintain.

Custom Renderer API

With Custom Renderer API, developers can build interfaces for platforms not limited to standard browsers. It broadens Vue’s applicability, enabling development for environments like native mobile interfaces or graphical systems such as WebGL.

Differences between Vue 2 and Vue 3

Contemplating the Vue 2 to Vue 3 migration? Our comparison table will outline the most important differences from Vue 2. If you need personalized guidance on how to migrate from Vue 2 to Vue 3 for your specific solution, our specialists are ready to provide tailored consultation.

Feature/Aspect

Performance

Standard performance

Up to 2x faster rendering and smaller bundle sizes due to a new virtual DOM implementation and tree-shaking techniques.

Composition API

Not available

The Composition API introduces a more flexible way to organize and manage component logic effectively.

Reactivity System

Uses Object.defineProperty

Uses Proxies for improved performance, offering enhanced TypeScript support for better development.

TypeScript Support

Basic support

Improved integration with enhanced type checking, autocompletion, and refactoring capabilities.

Multiple Root Elements

Single root element in components

Supports multiple root elements, allowing for cleaner, more efficient code in component structures.

Suspense Component

Not available

Built-in component Suspense simplifies handling asynchronous operations and loading states efficiently.

Teleport Component

Not available

Enables rendering parts of a component outside its DOM tree, useful for modals and pop-ups.

Fragments

Not supported

Supports returning an array of elements from the render function without requiring a wrapper element.

Custom Renderer API

Limited

Ability to create custom renderers tailored for specific platforms, expanding Vue’s application scope.

Thinking of moving to Vue 3?

We provide comprehensive support for Vue 3 migration, ensuring a trouble-free upgrade.

Vue 3 migration process

Innowise migration processes are honed through years of experience, resulting in a clear, predictable path with well-defined outcomes at every stage.

Vue 3 migration build installation

Prior to updating dependencies, we install the Vue 3 migration build. This step is crucial for identifying and resolving compatibility issues early in the process. The migration build provides guidance for areas needing attention for a smoother Vue 3 migration.

Update dependencies

This step involves updating all project dependencies to ensure compatibility with Vue 3. This includes revising packages and libraries to their latest versions that support Vue 3, providing a stable foundation for the migration process and avoiding conflicts.

Refactoring components

We refactor your Vue 2 components to be compatible with Vue 3. This involves adjusting component structures, lifecycle methods, and props/events handling, aligning them with Vue 3’s architecture. This allows components to function optimally.

Integrating the composition API

We integrate Vue 3’s Composition API, which offers a more flexible way to organize component logic. This step involves rewriting the components to utilize the API’s capabilities, enhancing readability, reusability, and maintainability, particularly in complex components.

Migrating directives and filters

This Vue 3 migration stage involves updating custom directives and filters to be compatible with Vue 3. We adjust the syntax and functionality of these elements, making sure they integrate seamlessly with Vue 3’s reactivity system and updated core features.

Testing and debugging

Finally, we conduct thorough testing and debugging to guarantee the migrated application is stable. This includes unit tests, integration tests, and end-to-end tests, identifying and resolving any issues to ensure a seamless, error-free Vue 2 to Vue 3 migration.

“Our team’s approach to Vue 3 migration focuses not just on technicalities, but also on predictability. We thoroughly plan each step for a smooth transition that doesn’t disrupt our clients’ processes. This migration is necessary for long-term gains: Vue 3 introduces higher performance, enhanced scalability, and a more robust framework for handling complex apps. A well-executed Vue 2 to Vue 3 migration makes businesses equipped with future-proof platforms ready to adapt to new web technologies and user demands.”

Dmitry Nazarevich

CTO at Innowise

Best practices for a smooth Vue 3 migration

Based on our experience in web development and migrations, we identified several guidelines critical for a successful transition. Our adherence to these practices has always led to excellent outcomes.

Incremental migration strategy

An incremental approach to Vue 3 migration has proven most effective for our team. This involves updating small, isolated parts of your application first, and gradually scaling up to larger segments. Such a step-by-step process allows for optimizations without overwhelming the development team or disrupting the application’s functionality.

Comprehensive testing

Our comprehensive testing includes a mix of unit, integration, and end-to-end tests to ensure that each component of the application performs as expected in the Vue 3 framework. Rigorous evaluation helps us identify and address compatibility issues, functional regressions, and performance bottlenecks early in the process.

Documentation and code reviews

We document Vue 3 migration steps like dependency updates, component refactoring, and API integrations. Our reviews focus on new syntax adoption, keeping compatibility with Vue 3 features and updating lifecycle hooks. This ensures compatibility with Vue 3’s framework and upholds the integrity of the codebase.

Our recent case studies

What our customers think

We are delighted with the high-quality work and professional approach of Innowise's performance. Their flexible and available process is key to the ongoing project's success. Our team also trusts that they'll deliver according to our needs.

Ory Goldberg CEO Traxi

Since 2019 we’ve been enjoying the services rendered by Innowise to implement a strategically important project on the modernization of a network of internal IT systems.

Dr. Udo Richter Director n:aip

The Innowise developers we had assigned to our project were astounding in their assiduousness and reliability. They worked super hard, sometimes around the clock with me, to get our project done.

Alex Friedman CEO Switchbackr Worldwide, Inc.

FAQ

What are the primary benefits of migrating from Vue 2 to Vue 3?

Vue 2 to Vue 3 migration offers several key benefits:

Performance enhancements: Vue 3 provides faster rendering and smaller bundle sizes.
Composition API: This new API allows for more flexible and organized code, particularly beneficial for managing complex components.
Improved TypeScript support: Vue 3 has enhanced integration with TypeScript, offering better type checking and developer tools.
New features: Vue 3 introduces features like multiple root elements, the Suspense component, and the Teleport component, which were not available in Vue 2.

How long does it typically take to migrate a medium-sized Vue 2 application to Vue 3?

The duration of a Vue 2 to Vue 3 migration can vary based on several factors like the size of the application, the complexity of its features, and the specific implementation details. For a medium-sized application, it might take a few weeks to a couple of months. The Vue 3 migration process involves updating dependencies, refactoring components, and extensive testing.

Are there any specific tools recommended for Vue 2 to Vue 3 migration?

Yes, there are tools that can facilitate the Vue 2 to Vue 3 migration process. The Vue team provides an official migration build that offers runtime warnings for incompatible usage patterns, helping you update your code accordingly. Additionally, using linters and type checking tools, especially if you’re integrating TypeScript, can be beneficial.

Can I migrate my application incrementally, or does it need to be done all at once?

Yes, it’s possible to migrate your application incrementally. Vue 3 is designed to be backward compatible with Vue 2, allowing for a gradual migration. You can start by migrating smaller, isolated parts of your application and progressively move to more significant sections. This Vue 3 migration approach reduces the risk of disrupting your application’s functionality.

What should I do if a Vue 2 plugin I use is not compatible with Vue 3?

If a Vue 2 plugin is not compatible with Vue 3, you have a few options:

Check if there’s an updated version of the plugin that supports Vue 3.
Look for alternative plugins that offer similar functionality and are compatible with Vue 3.
If possible, consider writing a custom solution to replace the functionality provided by the plugin.

Contact us!

Book a call or fill out the form below and we’ll get back to you once we’ve processed your request.

What happens next?

Once we’ve received and processed your request, we’ll get back to you to detail your project needs and sign an NDA to ensure confidentiality.

After examining your wants, needs, and expectations, our team will devise a project proposal with the scope of work, team size, time, and cost estimates.

We’ll arrange a meeting with you to discuss the offer and nail down the details.

Finally, we’ll sign a contract and start working on your project right away.