slow nuxt build generate

package.json

{
  "name": "jwr-nuxt",
  "version": "1.0.0",
  "description": "My stylish Nuxt.js project",
  "author": "Mattias Siø Fjellvang",
  "private": true,
  "scripts": {
    "dev": "export NODE_TLS_REJECT_UNAUTHORIZED=0 && nuxt --env.NODE_TLS_REJECT_UNAUTHORIZED=0",
    "build": "nuxt build",
    "start": "nuxt start",
    "generate": "export NODE_TLS_REJECT_UNAUTHORIZED=0 && nuxt generate",
    "lint": "eslint --ext .js,.vue --ignore-path .gitignore .",
    "test": "jest"
  },
  "dependencies": {
    "@nuxtjs/auth": "^4.8.5",
    "@nuxtjs/axios": "^5.3.6",
    "@nuxtjs/bulma": "^1.2.1",
    "@nuxtjs/dotenv": "^1.4.0",
    "currency.js": "^1.2.2",
    "install": "^0.13.0",
    "lazysizes": "^5.2.0",
    "nuxt": "^2.0.0",
    "nuxt-bugsnag": "^3.0.5",
    "nuxt-i18n": "^6.5.0",
    "nuxt-vuex-localstorage": "^1.2.6",
    "qs": "^6.9.1",
    "siema": "^1.5.1",
    "v-viewer": "^1.5.1",
    "vue-autosuggest": "^2.0.4",
    "vue-float-label": "^1.6.1",
    "vue-lazy-hydration": "^1.0.0-beta.12",
    "vue-observe-visibility": "^0.4.6",
    "vue-scrollto": "^2.17.1",
    "vuelidate": "^0.7.5"
  },
  "devDependencies": {
    "@nuxtjs/eslint-config": "^1.0.1",
    "@nuxtjs/eslint-module": "^1.0.0",
    "@nuxtjs/style-resources": "^1.0.0",
    "@vue/test-utils": "^1.0.0-beta.27",
    "babel-eslint": "^10.0.1",
    "babel-jest": "^24.1.0",
    "eslint": "^6.1.0",
    "eslint-plugin-nuxt": ">=0.4.2",
    "jest": "^24.1.0",
    "node-sass": "^4.13.1",
    "nuxt-purgecss": "^0.2.1",
    "sass-loader": "^8.0.2",
    "vue-jest": "^4.0.0-0"
  }
}