The package @wordpress/interactivity-router
enables loading content from other pages without a full page reload. Currently, the only supported mode is “region-based”. Full “client-side navigation” is still in experimental phase.
The package defines an Interactivity API store with the core/router
namespace, exposing state and 2 actions: navigate
and prefetch
to handle client-side navigation.
The @wordpress/interactivity-router
package was introduced in WordPress Core in v6.5. This means this package is already bundled in Core in any version of WordPress higher than v6.5.
Usage
The package is intended to be imported dynamically in the view.js
files of interactive blocks. This is done in in order to reduce the JS bundle size on the initial page load.
/* view.js */
import { store } from '@wordpress/interactivity';
// This is how you would typically use the navigate() action in your block.
store( 'my-namespace/myblock', {
actions: {
*goToPage( e ) {
e.preventDefault();
// We import the package dynamically to reduce the initial JS bundle size.
// Async actions are defined as generators so the import() must be called with `yield`.
const { actions } = yield import(
'@wordpress/interactivity-router'
);
yield actions.navigate( e.target.href );
},
},
} );
Now, you can call actions.navigate()
in your block’s view.js
file to navigate to a different page or e.g. pass it to a data-wp-on--click
attribute.
When loaded, this package adds the following state and actions to the core/router
store:
const { state, actions } = store( 'core/router', {
state: {
url: window.location.href,
navigation: {
hasStarted: false,
hasFinished: false,
texts: {
loading: '',
loaded: '',
},
message: '',
},
},
actions: {
*navigate(href, options) {...},
prefetch(url, options) {...},
}
})
Directives
data-wp-router-region
It defines a region that is updated on navigation. It requires a unique ID as the value and can only be used in root interactive elements, i.e., elements with data-wp-interactive
that are not nested inside other elements with data-wp-interactive
.
Example:
<div data-wp-interactive="myblock" data-wp-router-region="main-list">
<ul>
<li><a href="/post-1">Post 1</a></li>
<li><a href="/post-2">Post 2</a></li>
<li><a href="/post-3">Post 3</a></li>
</ul>
<a data-wp-on--click="actions.navigate" href="/page/2">
</div>
Actions
navigate
Navigates to the specified page.
This function normalizes the passed href
, fetches the page HTML if needed, and updates any interactive regions whose contents have changed in the new page. It also creates a new entry in the browser session history.
Params
navigate( href: string, options: NavigateOptions = {} )
href
: The pagehref
.options
: Options object.force
: Iftrue
, it forces re-fetching the URL.navigate()
always caches the page, so if the page has been navigated to before, it will be used. Default isfalse
.html
: HTML string to be used instead of fetching the requested URL.replace
: Iftrue
, it replaces the current entry in the browser session history. Default isfalse
.timeout
: Time until the navigation is aborted, in milliseconds. Default is10000
.loadingAnimation
: Whether an animation should be shown while navigating. Default totrue
.screenReaderAnnouncement
: Whether a message for screen readers should be announced while navigating. Default totrue
.
prefetch
Prefetches the page for the passed URL. The page is cached and can be used for navigation.
The function normalizes the URL and stores internally the fetch promise, to avoid triggering a second fetch for an ongoing request.
Params
prefetch( url: string, options: PrefetchOptions = {} )
url
: The pageurl
.options
: Options object.force
: Iftrue
, forces fetching the URL again.html
: HTML string to be used instead of fetching the requested URL.
State
state.url
is a reactive property synchronized with the current URL.
Properties under state.navigation
are meant for loading bar animations.
Installation
Install the module:
npm install @wordpress/interactivity-router --save
This step is only required if you use the Interactivity API outside WordPress.
Within WordPress, the package is already bundled in Core. To ensure it’s enqueued, add @wordpress/interactivity-router
to the dependency array of the script module. This process is often done automatically with tools like wp-scripts
.
Furthermore, this package assumes your code will run in an ES2015+ environment. If you’re using an environment with limited or no support for such language features and APIs, you should include the polyfill shipped in @wordpress/babel-preset-default
in your code.
License
Interactivity API proposal, as part of Gutenberg and the WordPress project is free software, and is released under the terms of the GNU General Public License version 2 or (at your option) any later version. See LICENSE.md for complete license.