Nuxtjs Dynamic Routes generation

nuxt-config-dynamic-routes.js

// eslint-disable-next-line nuxt/no-cjs-in-config
const axios = require('axios')
const dynamicRoutes = async () => {
  const routes = await axios
    .get('http://fabricepallaud.com/wp/wp-json/projects/v1/posts')
    .then(res =>
      res.data.map(project => `/project/${project.ID}/${project.post_name}/`)
    )
  return routes
}

export default {
  ssr: true,
  target: 'static',
  /*
   ** Headers of the page
   */
  head: {
    title: process.env.npm_package_name || '',
    meta: [
      { charset: 'utf-8' },
      { name: 'viewport', content: 'width=device-width, initial-scale=1' },
      {
        hid: 'description',
        name: 'description',
        content: process.env.npm_package_description || ''
      }
    ],
    link: [{ rel: 'icon', type: 'image/x-icon', href: '/favicon.ico' }]
  },
  /*
   ** Customize the progress-bar color
   */
  loading: { color: '#fff' },
  /*
   ** Global CSS
   */
  css: ['~assets/scss/main.scss'],
  styleResources: {
    scss: ['./assets/scss/variables.scss', './assets/scss/media_queries.scss']
  },
  /*
   ** Plugins to load before mounting the App
   */
  plugins: [
    '~/plugins/ripple.client.js',
    '~/plugins/navigation-guards-client.js'
  ],
  /*
   ** Nuxt.js dev-modules
   */
  buildModules: [
    // Doc: https://github.com/nuxt-community/eslint-module
    '@nuxtjs/eslint-module',
    '@nuxtjs/google-analytics'
  ],
  googleAnalytics: {
    id: 'UA-151254386-1'
  },
  /*
   ** Nuxt.js modules
   */
  modules: [
    // Doc: https://axios.nuxtjs.org/usage
    '@nuxtjs/axios',
    '@nuxtjs/toast',
    '@nuxtjs/style-resources',
    'vue-scrollto/nuxt'
  ],
  /*
   ** Axios module configuration
   ** See https://axios.nuxtjs.org/options
   */
  axios: {},
  toast: {
    position: 'bottom-right',
    action: {
      text: '×',
      onClick: (e, toastObject) => toastObject.goAway(100)
    },
    className: 'app-toast',
    duration: 2500
  },
  /*
   ** Build configuration
   */
  build: {
    /*
     ** You can extend webpack config here
     */
    extend (config, ctx) {}
  },
  generate: {
    routes: dynamicRoutes
  }
}

Folder structure.

pages\
   ...
   project\
       _id\
          _slug\
               index.vue
   ...