nuxt.config.js

const pkg = require("./package");

import client from "./apis/contentful.js";
import config from "./config/config.js";

const generateDynamicRoutes = callback => {
  const routes = client.getEntries().then(contents =>
    contents.items.map(content => {
      return {
        route: `/posts/${
          content.fields.date
        }/${content.sys.id.toLocaleLowerCase()}/`,
        payload: content
      };
    })
  );
  callback(null, routes);
};

module.exports = {
  mode: "universal",

  /*
   ** Headers of the page
   */
  head: {
    title: pkg.name,
    meta: [
      { charset: "utf-8" },
      { name: "viewport", content: "width=device-width, initial-scale=1" },
      { hid: "description", name: "description", content: pkg.description },
      { hid: "og:url", property: "og:url", content: "https://r-yanyo.com/" },
      { hid: "og:title", property: "og:title", content: "r-yanyoのブログ" },
      {
        hid: "og:image",
        property: "og:image",
        content: "https://r-yanyo.com/images/ball.png"
      },
      {
        hid: "og:site_name",
        property: "og:site_name",
        content: "r-yanyoのブログ"
      },
      { hid: "og:type", property: "og:type", content: "blog" },
      {
        hid: "og:description",
        property: "og:description",
        content: "r-yanyoのブログです。"
      },
      // Twitter
      { name: "twitter:card", content: "summary" }
    ],
    link: [{ rel: "icon", href: "/ball.png" }]
  },

  /*
   ** Customize the progress-bar color
   */
  loading: { color: "#fff" },

  /*
   ** Global CSS
   */
  css: ["~/css/main.css"],

  /*
   ** Plugins to load before mounting the App
   */
  plugins: [{ src: "~plugins/ga.js", ssr: false }],

  /*
   ** Nuxt.js modules
   */
  modules: [],

  /*
   ** Build configuration
   */
  build: {
    /*
     ** You can extend webpack config here
     */
    extend(config, ctx) {}
  },

  generate: {
    routes: generateDynamicRoutes
  },

  env: {
    SPACE_ID: process.env["SPACE_ID"] || config["SPACE_ID"],
    ACCESS_TOKEN: process.env["ACCESS_TOKEN"] || config["ACCESS_TOKEN"]
  }
};