VUE.JS

import { createApp } from 'vue'
import App from './App.vue'
import dayjs from 'dayjs';

const app = createApp(App);
app.config.globalProperties.$dayjs = dayjs
app.mount('#app')

import { createApp } from 'vue'
import App from './App.vue'
import routes from './routes'
import { store } from './stores/'

const app = createApp(App);
app.use(routes);
app.use(store);
app.mount('#app')

<template>
  <p id="exscript">
    <ins class="banner"></ins>
  </p>
</template>
<script>
  export default {
    mounted() {
      let scriptEl = document.createElement('script')
      scriptEl.setAttribute('src', 'スクリプトのURL')
      document.getElementById('exscript').appendChild(scriptEl)
    }
  }
</script>

{
  "name": "hoge",
  "scripts": {
    "build": "gridsome build",
    "develop": "gridsome dev",
    "lint": "vue-cli-service lint",
    "deploy": "gridsome build && netlify deploy --dir=dist/ -p"
  }
}

<template>
  // OK
  <p v-if="!$route.params.page">1〜{{perPage}}件</p>

  // NG
  <p v-if="$route.params.page === null">1〜{{perPage}}件</p>

  // NG
  <p v-if="$route.params.page === 'undefined'">1〜{{perPage}}件</p>
</template>

plugins: [
  {
    use: 'gridsome-plugin-matomo',
    options: {
      host: 'matomoのアドレス', // https:から書くこと
      siteId: サイトID
    }
  }
]

export default function (Vue, { router, head, isClient }) {
  // 省略

  const gIndex = head.meta.findIndex(e => e.name === 'generator')
  if (gIndex !== -1) head.meta.splice(gIndex, 1)
}

yarn add @gridsome/transformer-remark

module.exports = {    
  chainWebpack: config => {
    config
      .plugin('html-inline-source')
      .use(require('html-webpack-inline-source-plugin'))
    config.plugin('html').tap(args => {
      args[0].inlineSource = '^(/css/.+\\.css)'
      return args
    })
  }
}