how to set and use cookies on fly in nuxtjs ssr

Question

I am working on a nuxt ssr project and learning it and i really have some questions and a problem.

problem is, whenever someone browse the website, it should check cookies and look for certain keys like user_currency and if there is any value available for that keys then we can use that in fetch hook for api call and if there is no user_currency key available then we should add cookie and then in fetch hook we get that cookie_key and pass it to API.

now whats happening with me is,

on first run, in nuxtserverinit we searched for cookie if there are no key present and we add cookie key there and then in fetch hook, console prints it as undefined. but when i refresh the page then we get the cookie value as i wanted.

just part of the codes as example to explain

i tried to set coookie in created, nuxtserverinit but i am not able to get any clue.

nuxtServerInit({ commit }, { req }) {
  const isUserCountry = this.$cookies.get('user_country')
  if(isUserCountry === undefined){
  this.$cookies.set(`user_country`, "India", {
      path: '/',
      maxAge: 60 * 60 * 24 * 7,
    })
  }
}

and in fetch hook in the same first run.

async fetch() {
  console.log(this.$cookies.get('user_country'))
  //upon first run in fresh browser it prints undefined but after refresh it prints stored value
}

looking for some guidance over here.

Some efforts in Middleware, still facing same issue.

middleware code inside midddleware/setcountry.js

    export default function ({ app }) {
    return new Promise((resolve, reject) => {
        const isUserCountry = app.$cookies.get('user_country')
            if (isUserCountry === undefined) {
                fetch('https://ipinfo.io/json?token=************')
                    .then((response) => response.json())
                    .then((jsonResponse) => {
                        const country = jsonResponse.country
                        app.$cookies.set(`user_country`, country, {
                            path: '/',
                            maxAge: 60 * 60 * 24 * 7,
                        })
                    })
        }
        return resolve(true)
    })
}

here is fetch in pages/index.vue

 async fetch() {
    this.mostFavDests = await fetch(
        `${process.env.EXPRESS_API_URL}/dests/favdests?country=${this.$cookies.get('user_country')}`
    ).then(res => res.json())
  }

in nuxt.config.js

module.exports = {
     ssr: true
}

in layouts/default.vue

export default {
    middleware: ['setcountry']
}

according to lifecycle, we should get cookie value in first run

as per @kissu suggestion

in nuxt.config.js

  router: {
    middleware: ['setcountry']
  }

got this error in console

    ERROR  Cannot set headers after they are sent to the client                                                                     14:58:22

  at ServerResponse.setHeader (_http_outgoing.js:561:11)
  at p (node_modules/cookie-universal/dist/cookie-universal-common.js:1:1337)
  at Object.set (node_modules/cookie-universal/dist/cookie-universal-common.js:1:1774)
  at server.js:4614:1186
  at processTicksAndRejections (internal/process/task_queues.js:95:5)\

some update,

i think nuxti18n is causing this issue somewhere. because if i visit localhost:3000 it works in first run and if i visit localhost:3000/en-IN it print cookies undefined in first run and after refresh it prints cookies in fetch or asyncdata.

here is my i18n config in nuxt.config.js,

[
  'nuxt-i18n',
  {
    locales: [
      {
        name: 'Espaneol',
        code: 'es-ES',
        iso: 'es-ES',
        file: 'es.js',
        icon: '/flags/es.svg',
      },
      {
        name: 'English',
        code: 'en-IN',
        iso: 'en-IN',
        file: 'en.js',
        icon: '/flags/in.svg',
      },
      {
        name: 'English',
        code: 'en-US',
        iso: 'en-US',
        file: 'en.js',
        icon: '/flags/us.svg',
      },
    ],
    langDir: 'locales/',
    lazy: false,
    defaultLocale: 'en-IN',
    strategy: 'prefix',
    detectBrowserLanguage: {
      useCookie: true,
      cookieKey: 'lang',
      alwaysRedirect: true,
      fallbackLocale: 'en-IN',
    },
    vuex: {
      moduleName: 'i18n',
      mutations: {
        setLocale: 'I18N_SET_LOCALE',
        setMessages: false,
      },
      preserveState: false,
    },
    onLanguageSwitched: (previous, current) => {
      if (process.client) {
        const DATE = new Date()
        DATE.setTime(DATE.getTime() + 365 * 24 * 3600 * 1000)
        document.cookie = 'lang=' + current + '; path=/; expires=' + DATE.toUTCString()
      }
    },
  },
],

how to set and use cookies on fly in nuxtjs ssr

Some efforts in Middleware, still facing same issue.

Answers (1)

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