Describe how to use Vue.js for progressive web applications (PWAs).
Instruction: Explain the process of developing a progressive web application using Vue.js.
Context: This question gauges the candidate's familiarity with PWA concepts and their ability to implement these applications using Vue.js, indicating their skill in modern web development practices.
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A PWA is a web application that adopts capabilities such as installation metadata and controlled offline behavior. Vue supplies the UI layer; a manifest, service worker and browser/platform support determine the relevant PWA capabilities.
Start from the actual project toolchain. Vue CLI 3 is not the current default: Vue CLI is in maintenance mode, while new Vue projects use create-vue/Vite. Select a maintained service-worker integration compatible with the chosen build, or implement the needed worker behavior explicitly...