sajad torkamani

In a nutshell

The history library provides an API managing session history in JavaScript environments. It abstracts away differences between different environments and provides a minimal API for:

  • Managing the history stack
  • Navigating history
  • Persisting state between sessions

The basic usage is like this:

// Create your own history instance.
import { createBrowserHistory } from "history";
let history = createBrowserHistory();

// Alternatively, if you're using hash history import
// the hash history singleton instance.
// import history from 'history/hash';

// Get the current location.
let location = history.location;

// Listen for changes to the current location.
let unlisten = history.listen(({ location, action }) => {
  console.log(action, location.pathname, location.state);
});

// Use push to push a new entry onto the history stack.
history.push("/home", { some: "state" });

// Use replace to replace the current entry in the stack.
history.replace("/logged-in");

// Use back/forward to navigate one entry back or forward.
history.back();

// To stop listening, call the function returned from listen().
unlisten();

The history.location property

The location object implements a subset of the window.location interface and has the following properties:

  • location.pathname – The path of the URL
  • location.search – The URL query string
  • location.hash – The URL hash fragment
  • location.state – Some extra state for this location that doesn’t reside in the URL (could be null).
  • location.key – A unique string that uniquely identifies the current location.

Recipes

Listen for changes to the browser history

history.listen(({ action, location }) => {
  console.log(
    `The current URL is ${location.pathname}${location.search}${location.hash}`
  )
  console.log(`The last navigation action was ${action}`)
})

Sources

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