Tips for optimizing caching of API responses and assets using service workers in Vue CLI 3

import { register } from 'register-service-worker'
import pwa from '@vue/cli-plugin-pwa'

if (process.env.NODE_ENV === 'development') {
// if (process.env.NODE_ENV === 'production') {
console.log(pwa)
register(`${process.env.BASE_URL}service-worker.js`, {
ready () {
    console.log(
      'App is being served from cache by a service worker.\n'
    )
  },
  cached () {
    console.log('Content has been cached for offline use.')
  },
  updated () {
    console.log('New content is available; please refresh.')
  },
  offline () {
    console.log('No internet connection found. App is running in 
    offline mode.')
  },
  error (error) {
    console.error('Error during service worker registration:', error)
  }
})
}

I had attempted to apply my registerserviceworker.js code here in order to include files and APIs, however I encountered challenges and was unable to successfully add them.

Answer №1

To configure the caching behavior of your Progressive Web App (PWA) in Vue.js, you need to make use of the "workboxOptions" property within the PWA Object located in the vue.config.js file. Follow this structure:

module.exports = {
    pwa: {
        [...]
        workboxOptions: {
            runtimeCaching: [{
                urlPattern: new RegExp('^https://yourpathtothe.api/'),
                handler: 'networkFirst',
                    options: {
                    networkTimeoutSeconds: 20,
                    cacheName: 'api-cache',
                    cacheableResponse: {
                        statuses: [0, 200],
                    },
                },
            }]
        }
    },

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