Tracking

Meta Pixel

Source
Use Meta Pixel in your Nuxt app.

Meta Pixel lets you measure, optimise and build audiences for your Facebook ad campaigns.

Nuxt Scripts provides a registry script composable useScriptMetaPixel to easily integrate Meta Pixel in your Nuxt app.

Nuxt Config Setup

The simplest way to load Meta Pixel globally in your Nuxt App is to use Nuxt config. Alternatively you can directly use the useScriptMetaPixel composable.

If you don't plan to send custom events you can use the Environment overrides to disable the script in development.

export default defineNuxtConfig({
  scripts: {
    registry: {
      metaPixel: {
        id: 'YOUR_ID'
      }
    }
  }
})

With Environment Variables

If you prefer to configure your id using environment variables.

nuxt.config.ts
export default defineNuxtConfig({
  scripts: {
    registry: {
      metaPixel: true,
    }
  },
  // you need to provide a runtime config to access the environment variables
  runtimeConfig: {
    public: {
      scripts: {
        metaPixel: {
          id: '', // NUXT_PUBLIC_SCRIPTS_META_PIXEL_ID
        },
      },
    },
  },
})
.env
NUXT_PUBLIC_SCRIPTS_META_PIXEL_ID=<YOUR_ID>

useScriptMetaPixel

The useScriptMetaPixel composable lets you have fine-grain control over when and how Meta Pixel is loaded on your site.

const { proxy } = useScriptMetaPixel({
  id: 'YOUR_ID'
})
// example
proxy.fbq('track', 'ViewContent', {
  content_name: 'Nuxt Pixel',
  content_category: 'Nuxt',
})

Please follow the Registry Scripts guide to learn more about advanced usage.

MetaPixelApi

export interface MetaPixelApi {
  fbq: FbqFns & {
    push: FbqFns
    loaded: boolean
    version: string
    queue: any[]
  }
  _fbq: MetaPixelApi['fbq']
}
type FbqFns = ((event: 'track', eventName: StandardEvents, data?: EventObjectProperties) => void)
  & ((event: 'trackCustom', eventName: string, data?: EventObjectProperties) => void)
  & ((event: 'init', id: number, data?: Record<string, any>) => void)
  & ((event: 'init', id: string) => void)
  & ((event: string, ...params: any[]) => void)
type StandardEvents = 'AddPaymentInfo' | 'AddToCart' | 'AddToWishlist' | 'CompleteRegistration' | 'Contact' | 'CustomizeProduct' | 'Donate' | 'FindLocation' | 'InitiateCheckout' | 'Lead' | 'Purchase' | 'Schedule' | 'Search' | 'StartTrial' | 'SubmitApplication' | 'Subscribe' | 'ViewContent'
interface EventObjectProperties {
  content_category?: string
  content_ids?: string[]
  content_name?: string
  content_type?: string
  contents: { id: string, quantity: number }[]
  currency?: string
  delivery_category?: 'in_store' | 'curbside' | 'home_delivery'
  num_items?: number
  predicted_ltv?: number
  search_string?: string
  status?: 'completed' | 'updated' | 'viewed' | 'added_to_cart' | 'removed_from_cart' | string
  value?: number
  [key: string]: any
}

Config Schema

You must provide the options when setting up the script for the first time.

export const MetaPixelOptions = object({
  id: number(),
  sv: optional(number()),
})

Example

Using Meta Pixel only in production while using fbq to send a conversion event.

<script setup lang="ts">
const { proxy } = useScriptMetaPixel()

// noop in development, ssr
// just works in production, client
function sendConversion() {
  proxy.fbq('trackCustom', 'conversion', {
    value: 1,
    currency: 'USD'
  })
}
</script>

<template>
  <div>
    <button @click="sendConversion">
      Send Conversion
    </button>
  </div>
</template>

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