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ppagent / GlobalEvent

Class: GlobalEvent ​

Defined in: src/util/global.event.ts:67

Extends ​

Constructors ​

Constructor ​

new GlobalEvent(name): GlobalEvent

Defined in: src/util/global.event.ts:68

Parameters ​

name ​

string

Returns ​

GlobalEvent

Overrides ​

Emittery<{ [eventName: string]: IGlobalEventData }>.constructor

Properties ​

debug ​

debug: DebugOptions<{[eventName: string]: IGlobalEventData; }>

Defined in: node_modules/.pnpm/emittery@1.1.0/node_modules/emittery/index.d.ts:308

Debugging options for the current instance.

Inherited from ​

Emittery.debug

isDebugEnabled ​

static isDebugEnabled: boolean

Defined in: node_modules/.pnpm/emittery@1.1.0/node_modules/emittery/index.d.ts:229

Toggle debug mode for all instances.

Default: true if the DEBUG environment variable is set to emittery or *, otherwise false.

Example ​

import Emittery from 'emittery';

Emittery.isDebugEnabled = true;

const emitter1 = new Emittery({debug: {name: 'myEmitter1'}});
const emitter2 = new Emittery({debug: {name: 'myEmitter2'}});

emitter1.on('test', data => {
	// …
});

emitter2.on('otherTest', data => {
	// …
});

emitter1.emit('test');
//=> [16:43:20.417][emittery:subscribe][myEmitter1] Event Name: test
//	data: undefined

emitter2.emit('otherTest');
//=> [16:43:20.417][emittery:subscribe][myEmitter2] Event Name: otherTest
//	data: undefined

Inherited from ​

Emittery.isDebugEnabled

listenerAdded ​

readonly static listenerAdded: typeof listenerAdded

Defined in: node_modules/.pnpm/emittery@1.1.0/node_modules/emittery/index.d.ts:255

Fires when an event listener was added.

An object with listener and eventName (if on or off was used) is provided as event data.

Example ​

import Emittery from 'emittery';

const emitter = new Emittery();

emitter.on(Emittery.listenerAdded, ({listener, eventName}) => {
	console.log(listener);
	//=> data => {}

	console.log(eventName);
	//=> '🦄'
});

emitter.on('🦄', data => {
	// Handle data
});

Inherited from ​

Emittery.listenerAdded

listenerRemoved ​

readonly static listenerRemoved: typeof listenerRemoved

Defined in: node_modules/.pnpm/emittery@1.1.0/node_modules/emittery/index.d.ts:283

Fires when an event listener was removed.

An object with listener and eventName (if on or off was used) is provided as event data.

Example ​

import Emittery from 'emittery';

const emitter = new Emittery();

const off = emitter.on('🦄', data => {
	// Handle data
});

emitter.on(Emittery.listenerRemoved, ({listener, eventName}) => {
	console.log(listener);
	//=> data => {}

	console.log(eventName);
	//=> '🦄'
});

off();

Inherited from ​

Emittery.listenerRemoved

Accessors ​

eventNames ​

Get Signature ​

get eventNames(): string[]

Defined in: src/util/global.event.ts:81

Returns ​

string[]

Methods ​

anyEvent() ​

anyEvent(): AsyncIterableIterator<[string | number, IGlobalEventData]>

Defined in: node_modules/.pnpm/emittery@1.1.0/node_modules/emittery/index.d.ts:562

Get an async iterator which buffers a tuple of an event name and data each time an event is emitted.

Call return() on the iterator to remove the subscription.

In the same way as for events, you can subscribe by using the for await statement.

Returns ​

AsyncIterableIterator<[string | number, IGlobalEventData]>

Example ​

import Emittery from 'emittery';

const emitter = new Emittery();
const iterator = emitter.anyEvent();

emitter.emit('🦄', '🌈1'); // Buffered
emitter.emit('🌟', '🌈2'); // Buffered

iterator.next()
	.then(({value, done}) => {
		// done is false
		// value is ['🦄', '🌈1']
		return iterator.next();
	})
	.then(({value, done}) => {
		// done is false
		// value is ['🌟', '🌈2']
		// revoke subscription
		return iterator.return();
	})
	.then(({done}) => {
		// done is true
	});

Inherited from ​

Emittery.anyEvent

bindMethods() ​

bindMethods(target, methodNames?): void

Defined in: node_modules/.pnpm/emittery@1.1.0/node_modules/emittery/index.d.ts:602

Bind the given methodNames, or all Emittery methods if methodNames is not defined, into the target object.

Parameters ​

target ​

Record<string, unknown>

methodNames? ​

readonly string[]

Returns ​

void

Example ​

import Emittery from 'emittery';

const object = {};

new Emittery().bindMethods(object);

object.emit('event');

Inherited from ​

Emittery.bindMethods

clearListeners() ​

clearListeners<Name>(eventName?): void

Defined in: node_modules/.pnpm/emittery@1.1.0/node_modules/emittery/index.d.ts:581

Clear all event listeners on the instance.

If eventName is given, only the listeners for that event are cleared.

Type Parameters ​

Name ​

Name extends string | number

Parameters ​

eventName? ​

Name | readonly Name[]

Returns ​

void

Inherited from ​

Emittery.clearListeners

emit() ​

emit(eventName, eventData?): Promise<void>

Defined in: src/util/global.event.ts:85

Trigger an event asynchronously, optionally with some data. Listeners are called in the order they were added, but executed concurrently.

Parameters ​

eventName ​

string

eventData? ​

IGlobalEventData

Returns ​

Promise<void>

A promise that resolves when all the event listeners are done. Done meaning executed if synchronous or resolved when an async/promise-returning function. You usually wouldn't want to wait for this, but you could for example catch possible errors. If any of the listeners throw/reject, the returned promise will be rejected with the error, but the other listeners will not be affected.

Overrides ​

Emittery.emit

emitSerial() ​

Call Signature ​

emitSerial<Name>(eventName): Promise<void>

Defined in: node_modules/.pnpm/emittery@1.1.0/node_modules/emittery/index.d.ts:509

Same as emit(), but it waits for each listener to resolve before triggering the next one. This can be useful if your events depend on each other. Although ideally they should not. Prefer emit() whenever possible.

If any of the listeners throw/reject, the returned promise will be rejected with the error and the remaining listeners will not be called.

Type Parameters ​
Name ​

Name extends never

Parameters ​
eventName ​

Name

Returns ​

Promise<void>

A promise that resolves when all the event listeners are done.

Inherited from ​

Emittery.emitSerial

Call Signature ​

emitSerial<Name>(eventName, eventData): Promise<void>

Defined in: node_modules/.pnpm/emittery@1.1.0/node_modules/emittery/index.d.ts:510

Same as emit(), but it waits for each listener to resolve before triggering the next one. This can be useful if your events depend on each other. Although ideally they should not. Prefer emit() whenever possible.

If any of the listeners throw/reject, the returned promise will be rejected with the error and the remaining listeners will not be called.

Type Parameters ​
Name ​

Name extends string | number

Parameters ​
eventName ​

Name

eventData ​

object[Name]

Returns ​

Promise<void>

A promise that resolves when all the event listeners are done.

Inherited from ​

Emittery.emitSerial

events() ​

events<Name>(eventName): AsyncIterableIterator<object[Name]>

Defined in: node_modules/.pnpm/emittery@1.1.0/node_modules/emittery/index.d.ts:431

Get an async iterator which buffers data each time an event is emitted.

Call return() on the iterator to remove the subscription.

Type Parameters ​

Name ​

Name extends string | number

Parameters ​

eventName ​

Name | readonly Name[]

Returns ​

AsyncIterableIterator<object[Name]>

Examples ​

import Emittery from 'emittery';

const emitter = new Emittery();
const iterator = emitter.events('🦄');

emitter.emit('🦄', '🌈1'); // Buffered
emitter.emit('🦄', '🌈2'); // Buffered

iterator
	.next()
	.then(({value, done}) => {
		// done === false
		// value === '🌈1'
		return iterator.next();
	})
	.then(({value, done}) => {
		// done === false
		// value === '🌈2'
		// Revoke subscription
		return iterator.return();
	})
	.then(({done}) => {
		// done === true
	});

In practice you would usually consume the events using the for await statement. In that case, to revoke the subscription simply break the loop.

import Emittery from 'emittery';

const emitter = new Emittery();
const iterator = emitter.events('🦄');

emitter.emit('🦄', '🌈1'); // Buffered
emitter.emit('🦄', '🌈2'); // Buffered

// In an async context.
for await (const data of iterator) {
	if (data === '🌈2') {
		break; // Revoke the subscription when we see the value `🌈2`.
	}
}

It accepts multiple event names.

import Emittery from 'emittery';

const emitter = new Emittery();
const iterator = emitter.events(['🦄', '🦊']);

emitter.emit('🦄', '🌈1'); // Buffered
emitter.emit('🦊', '🌈2'); // Buffered

iterator
	.next()
	.then(({value, done}) => {
		// done === false
		// value === '🌈1'
		return iterator.next();
	})
	.then(({value, done}) => {
		// done === false
		// value === '🌈2'
		// Revoke subscription
		return iterator.return();
	})
	.then(({done}) => {
		// done === true
	});

Inherited from ​

Emittery.events

listenerCount() ​

listenerCount<Name>(eventName?): number

Defined in: node_modules/.pnpm/emittery@1.1.0/node_modules/emittery/index.d.ts:586

The number of listeners for the eventName or all events if not specified.

Type Parameters ​

Name ​

Name extends string | number

Parameters ​

eventName? ​

Name | readonly Name[]

Returns ​

number

Inherited from ​

Emittery.listenerCount

off() ​

off<Name>(eventName, listener): void

Defined in: node_modules/.pnpm/emittery@1.1.0/node_modules/emittery/index.d.ts:459

Remove one or more event subscriptions.

Type Parameters ​

Name ​

Name extends string | number | keyof OmnipresentEventData

Parameters ​

eventName ​

Name | readonly Name[]

listener ​

(eventData) => void | Promise<void>

Returns ​

void

Example ​

import Emittery from 'emittery';

const emitter = new Emittery();

const listener = data => {
	console.log(data);
};

emitter.on(['🦄', '🐶', '🦊'], listener);
await emitter.emit('🦄', 'a');
await emitter.emit('🐶', 'b');
await emitter.emit('🦊', 'c');
emitter.off('🦄', listener);
emitter.off(['🐶', '🦊'], listener);
await emitter.emit('🦄', 'a'); // nothing happens
await emitter.emit('🐶', 'b'); // nothing happens
await emitter.emit('🦊', 'c'); // nothing happens

Inherited from ​

Emittery.off

offAny() ​

offAny(listener): void

Defined in: node_modules/.pnpm/emittery@1.1.0/node_modules/emittery/index.d.ts:569

Remove an onAny subscription.

Parameters ​

listener ​

(eventName, eventData) => void | Promise<void>

Returns ​

void

Inherited from ​

Emittery.offAny

on() ​

on<Name>(eventName, listener, options?): UnsubscribeFunction

Defined in: node_modules/.pnpm/emittery@1.1.0/node_modules/emittery/index.d.ts:342

Subscribe to one or more events.

Using the same listener multiple times for the same event will result in only one method call per emitted event.

Type Parameters ​

Name ​

Name extends string | number | keyof OmnipresentEventData

Parameters ​

eventName ​

Name | readonly Name[]

listener ​

(eventData) => void | Promise<void>

options? ​
signal? ​

AbortSignal

Returns ​

UnsubscribeFunction

An unsubscribe method.

Example ​

import Emittery from 'emittery';

const emitter = new Emittery();

emitter.on('🦄', data => {
	console.log(data);
});

emitter.on(['🦄', '🐶'], data => {
	console.log(data);
});

emitter.emit('🦄', '🌈'); // log => '🌈' x2
emitter.emit('🐶', '🍖'); // log => '🍖'

Inherited from ​

Emittery.on

onAny() ​

onAny(listener, options?): UnsubscribeFunction

Defined in: node_modules/.pnpm/emittery@1.1.0/node_modules/emittery/index.d.ts:520

Subscribe to be notified about any event.

Parameters ​

listener ​

(eventName, eventData) => void | Promise<void>

options? ​
signal? ​

AbortSignal

Returns ​

UnsubscribeFunction

A method to unsubscribe.

Inherited from ​

Emittery.onAny

once() ​

once<Name>(eventName): EmitteryOncePromise<object & OmnipresentEventData[Name]>

Defined in: node_modules/.pnpm/emittery@1.1.0/node_modules/emittery/index.d.ts:489

Subscribe to one or more events only once. It will be unsubscribed after the first event.

Type Parameters ​

Name ​

Name extends string | number | keyof OmnipresentEventData

Parameters ​

eventName ​

Name | readonly Name[]

Returns ​

EmitteryOncePromise<object & OmnipresentEventData[Name]>

The promise of event data when eventName is emitted. This promise is extended with an off method.

Example ​

import Emittery from 'emittery';

const emitter = new Emittery();

emitter.once('🦄').then(data => {
	console.log(data);
	//=> '🌈'
});

emitter.once(['🦄', '🐶']).then(data => {
	console.log(data);
});

emitter.emit('🦄', '🌈'); // Logs `🌈` twice
emitter.emit('🐶', '🍖'); // Nothing happens

Inherited from ​

Emittery.once

registerGlobalEventNames() ​

registerGlobalEventNames(name): void

Defined in: src/util/global.event.ts:95

只有注册过的全局消息类型才会被外部通过接口获取到名称，未注册的也可正常触发消息

Parameters ​

name ​

string

Returns ​

void

mixin() ​

static mixin(emitteryPropertyName, methodNames?): <T>(klass) => T

Defined in: node_modules/.pnpm/emittery@1.1.0/node_modules/emittery/index.d.ts:300

In TypeScript, it returns a decorator which mixins Emittery as property emitteryPropertyName and methodNames, or all Emittery methods if methodNames is not defined, into the target class.

Parameters ​

emitteryPropertyName ​

string | symbol

methodNames? ​

readonly string[]

Returns ​

<T>(klass): T

Type Parameters ​
T ​

T extends (...arguments_) => any

Parameters ​
klass ​

T

Returns ​

T

Example ​

import Emittery from 'emittery';

@Emittery.mixin('emittery')
class MyClass {}

const instance = new MyClass();

instance.emit('event');

Inherited from ​

Emittery.mixin