nuxt.config.js

// only add `router.base = '/<repository-name>/'` if `DEPLOY_ENV` is `GH_PAGES`
const routerBase = process.env.DEPLOY_ENV === 'GH_PAGES' ? {
  router: {
    base: '/text-to-anki/'
  }
} : {}

export default {
  /*
  ** Nuxt rendering mode
  ** See https://nuxtjs.org/api/configuration-mode
  */
  mode: 'universal',
  /*
  ** Nuxt target
  ** See https://nuxtjs.org/api/configuration-target
  */
  target: 'static',
  /*
  ** Headers of the page
  ** See https://nuxtjs.org/api/configuration-head
  */
  head: {
    title: 'Text To Anki',
    meta: [
      { charset: 'utf-8' },
      { name: 'viewport', content: 'width=device-width, initial-scale=1' },
      { hid: 'description', name: 'description', content: 'Export Sentences to Anki' }
    ],
    link: [
      { rel: 'icon', type: 'image/x-icon', href: '@/favicon.ico' }
    ]
  },
  /*
  ** Global CSS
  */
  css: [
  ],
  /*
  ** Plugins to load before mounting the App
  ** https://nuxtjs.org/guide/plugins
  */
  plugins: [
  ],
  /*
  ** Auto import components
  ** See https://nuxtjs.org/api/configuration-components
  */
  components: true,
  /*
  ** Nuxt.js dev-modules
  */
  buildModules: [
  ],
  /*
  ** Nuxt.js modules
  */
  modules: [
    // Doc: https://github.com/nuxt-community/modules/tree/master/packages/bulma
    '@nuxtjs/bulma',
    // Doc: https://axios.nuxtjs.org/usage
    '@nuxtjs/axios',
    '@nuxtjs/pwa',
  ],
  /*
  ** Axios module configuration
  ** See https://axios.nuxtjs.org/options
  */
  axios: {},
  /*
  ** Build configuration
  ** See https://nuxtjs.org/api/configuration-build/
  */
  build: {
    postcss: {
      preset: {
        features: {
          customProperties: false
        }
      }
    },
  },
  ...routerBase
}