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Discover the Power of Vue 3: Migrating from Vue Class Component to Composition API for Enhanced Security and Flexibility

Philip John Basile
7 min readApr 5, 2023
Photo by Sebastian Marx on Unsplash

Vue Class Component was born out of needing a more familiar and structured way to write Vue components, particularly for developers accustomed to class-based syntax and those using TypeScript. The library introduced class-based components with decorators, making it easier to work with TypeScript and enhancing the overall developer experience.

Here’s a brief timeline of Vue Class Component’s journey:

  1. Birth (circa 2016): Vue Class Component was created by Kengo Hamasaki as an alternative way to write Vue components using a class-based syntax. It gained popularity among developers, especially those using TypeScript or from a background in languages like Java, C#, or Angular.
  2. Adoption and Growth (2016–2020): The Vue community embraced Vue Class Component, and it became a popular choice for working with TypeScript. It offered an elegant solution for defining components, managing state, and writing type-safe code.
  3. Vue 3 Announcement and Composition API (2019): Vue 3 was announced, introducing the Composition API as a more flexible way to organize and share component logic. The Composition API also improved TypeScript support, addressing many of the same pain points the Vue…

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Philip John Basile
Philip John Basile

Written by Philip John Basile

Senior Staff Front End Engineer with 25 Years of Expertise Across All Genres.

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