next.config.js

/* eslint-disable @typescript-eslint/no-var-requires */
/** @type {import('next').NextConfig} */
const nextConfig = {
  optimizeFonts: false,
  images: {
    domains: ['www.janog.gr.jp'],
  },
}

const isDev = process.env.NODE_ENV !== 'production'
const withPWA = require('next-pwa')({
  dest: 'public',
  swSrc: 'src/service-worker.js',

  // https://github.com/shadowwalker/next-pwa/issues/424#issuecomment-1857499715
  exclude: [
    // add buildExcludes here
    ({ asset }) => {
      if (
        asset.name.startsWith('server/') ||
        asset.name.match(
          /^((app-|^)build-manifest\.json|react-loadable-manifest\.json)$/
        )
      ) {
        return true
      }
      if (isDev && !asset.name.startsWith('static/runtime/')) {
        return true
      }
      return false
    },
  ],
})

module.exports = withPWA(nextConfig)