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@wordpress/hooks
Advanced tools
Readme
A lightweight & efficient EventManager for JavaScript.
Install the module
npm install @wordpress/hooks --save
This package assumes that your code will run in an ES2015+ environment. If you're using an environment that has limited or no support for ES2015+ such as lower versions of IE then using core-js or @babel/polyfill will add support for these methods. Learn more about it in Babel docs.
In your JavaScript project, use hooks as follows:
import { createHooks } from '@wordpress/hooks';
myObject.hooks = createHooks();
myObject.hooks.addAction(); //etc...
In the above example, we are creating a custom instance of the Hooks
object and registering hooks there. The package also creates a default global instance that's accessible through the defaultHooks
named exports, and its methods are also separately exported one-by-one.
In the WordPress context, that enables API functions to be called via the global wp.hooks
object, like wp.hooks.addAction()
, etc.
One notable difference between the JS and PHP hooks API is that in the JS version, addAction()
and addFilter()
also need to include a namespace as the second argument. Namespace uniquely identifies a callback in the form vendor/plugin/function
.
createHooks()
addAction( 'hookName', 'namespace', callback, priority )
addFilter( 'hookName', 'namespace', callback, priority )
removeAction( 'hookName', 'namespace' )
removeFilter( 'hookName', 'namespace' )
removeAllActions( 'hookName' )
removeAllFilters( 'hookName' )
doAction( 'hookName', arg1, arg2, moreArgs, finalArg )
applyFilters( 'hookName', content, arg1, arg2, moreArgs, finalArg )
doingAction( 'hookName' )
doingFilter( 'hookName' )
didAction( 'hookName' )
didFilter( 'hookName' )
hasAction( 'hookName', 'namespace' )
hasFilter( 'hookName', 'namespace' )
actions
filters
defaultHooks
Whenever an action or filter is added or removed, a matching hookAdded
or hookRemoved
action is triggered.
hookAdded
action is triggered when addFilter()
or addAction()
method is called, passing values for hookName
, functionName
, callback
and priority
.hookRemoved
action is triggered when removeFilter()
or removeAction()
method is called, passing values for hookName
and functionName
.all
hookIn non-minified builds developers can register a filter or action that will be called on all hooks, for example: addAction( 'all', 'namespace', callbackFunction );
. Useful for debugging, the code supporting the all
hook is stripped from the production code for performance reasons.
FAQs
WordPress hooks library.
The npm package @wordpress/hooks receives a total of 160,414 weekly downloads. As such, @wordpress/hooks popularity was classified as popular.
We found that @wordpress/hooks demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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