Nuxt•2mo ago

Using Nuxt 3, is there a way to access plugins on the window object?

Looking to access our PosthogClient plugin from the window context as we're loading in a cookie consent platform called CookieHub from DOM scripts. CookieHub takes a config with a bunch of function handlers and we need to be able to access the PosthogClient plugin from the window object in order to be able to enable/disable tracking.

2 Replies

kapa.ai•2mo ago

Hi @saganic. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base. :wave: ---------------------- In Nuxt 3, plugins are not automatically attached to the global window object—they are injected into the Nuxt app context (nuxtApp) and accessible via composables like useNuxtApp() within your Vue components, composables, and plugins. There is no built-in mechanism in Nuxt 3 to expose a plugin (such as your PosthogClient) directly on window for access by external scripts or DOM-injected handlers like those required by CookieHub. However, you can manually assign your plugin or its methods to window within your plugin setup if you need to bridge this gap. For example, in your PosthogClient plugin:

export default defineNuxtPlugin((nuxtApp) => {
  // Assuming you have a posthog client instance
  const posthogClient = {/* ... */};

  // Expose it on window for external access
  if (process.client) {
    window.posthogClient = posthogClient;
  }

  // Optionally, provide it to the Nuxt app as well
  nuxtApp.provide('posthogClient', posthogClient);
});

export default defineNuxtPlugin((nuxtApp) => {
  // Assuming you have a posthog client instance
  const posthogClient = {/* ... */};

  // Expose it on window for external access
  if (process.client) {
    window.posthogClient = posthogClient;
  }

  // Optionally, provide it to the Nuxt app as well
  nuxtApp.provide('posthogClient', posthogClient);
});

This approach is not documented as a recommended Nuxt pattern, but it is a practical solution when you need to interact with third-party scripts that require global access. Just be aware of potential security and maintainability implications when exposing objects globally. The knowledge sources confirm that plugins are injected into the Nuxt app context and accessible via useNuxtApp(), but do not mention automatic exposure on window or a built-in way to do so. Manual assignment, as shown above, is the only approach supported by the information provided Using Composables in Plugins NuxtApp Guide. If you need to access the plugin from external scripts, you must explicitly assign it to window in your plugin code as shown. ---------------------- Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: ----------------------

kapa.ai•2mo ago

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Using Nuxt 3, is there a way to access plugins on the window object?

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