Use jQuery with NuxtJS

nuxt.config.js

const webpack = require('webpack')

module.exports = {
  // other configs
  build: {
    plugins: [
      new webpack.ProvidePlugin({
        $: 'jquery',
        jQuery: 'jquery',
        'window.jQuery': 'jquery'
      })
    ]
  },
  // other configs
}

package.json

{
  // other configs.
  "dependencies": {
    // Replace <jquery.version> with the jquery version you want.
    "jquery": "<jquery.version>"
  },
  // other configs.
}