Nuxt/docs/3.api/3.utils/on-before-route-leave.md

---
title: "onBeforeRouteLeave"
description: The onBeforeRouteLeave composable allows registering a route guard within a component.
---

# `onBeforeRouteLeave`

The `onBeforeRouteLeave` composable adds a navigation guard that triggers whenever the component for the current location is about to be left.

::ReadMore{link="https://router.vuejs.org/api/#Functions-onBeforeRouteLeave"}
::
docs: add initial documentation for router composables (#8895) 2022-11-10 14:07:47 +00:00			`---`
			`title: "onBeforeRouteLeave"`
			`description: The onBeforeRouteLeave composable allows registering a route guard within a component.`
			`---`

			# `onBeforeRouteLeave`

			The `onBeforeRouteLeave` composable adds a navigation guard that triggers whenever the component for the current location is about to be left.

docs: update links to `vue-router` docs (#20454) 2023-04-24 20:29:24 +00:00			`::ReadMore{link="https://router.vuejs.org/api/#Functions-onBeforeRouteLeave"}`
docs: add initial documentation for router composables (#8895) 2022-11-10 14:07:47 +00:00			`::`