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Class: EventEmitter<T>

Defined in: packages/ov0/src/core/utils/event/index.ts:4

Type Parameters​

T​

T extends object = {[key: string]: any[]; }

Constructors​

Constructor​

new EventEmitter<T>(): EventEmitter<T>

Returns​

EventEmitter<T>

Properties​

events​

protected events: { [K in string | number | symbol]?: Listener<T[K]>[] } = {}

Defined in: packages/ov0/src/core/utils/event/index.ts:5

Methods​

addListener()​

addListener<K>(event, listener): this

Defined in: packages/ov0/src/core/utils/event/index.ts:81

on方法别名

Type Parameters​

K​

K extends string | number | symbol

Parameters​

event​

K

listener​

Listener<T[K]>

Returns​

this

emit()​

emit<K>(event, ...args): this

Defined in: packages/ov0/src/core/utils/event/index.ts:41

触发事件 Trigger event

Type Parameters​

K​

K extends string | number | symbol

Parameters​

event​

K

args​

...T[K]

Returns​

this

listenerCount()​

listenerCount<K>(event): number

Defined in: packages/ov0/src/core/utils/event/index.ts:114

获取事件监听器数量 Get the number of event listeners

Type Parameters​

K​

K extends string | number | symbol

Parameters​

event​

K

Returns​

number

listeners()​

listeners<K>(event): Listener<T[K]>[]

Defined in: packages/ov0/src/core/utils/event/index.ts:123

某事件对应监听器 Get the array of event listeners

Type Parameters​

K​

K extends string | number | symbol

Parameters​

event​

K

Returns​

Listener<T[K]>[]

off()​

off<K>(event, listener): this

Defined in: packages/ov0/src/core/utils/event/index.ts:56

取消订阅事件 Unsubscribe event

Type Parameters​

K​

K extends string | number | symbol

Parameters​

event​

K

listener​

Listener<T[K]>

Returns​

this

offAll()​

offAll(): this

Defined in: packages/ov0/src/core/utils/event/index.ts:71

取消订阅所有事件 Unsubscribe from all events

Returns​

this

on()​

on<K>(event, listener): this

Defined in: packages/ov0/src/core/utils/event/index.ts:13

订阅事件 Subscribe to events

Type Parameters​

K​

K extends string | number | symbol

Parameters​

event​

K

listener​

Listener<T[K]>

Returns​

this

once()​

once<K>(event, listener): this

Defined in: packages/ov0/src/core/utils/event/index.ts:27

一次性订阅事件（触发一次后自动移除） One time subscription event (automatically removed after triggering once)

Type Parameters​

K​

K extends string | number | symbol

Parameters​

event​

K

listener​

Listener<T[K]>

Returns​

this

removeAllListeners()​

removeAllListeners(event?): this

Defined in: packages/ov0/src/core/utils/event/index.ts:100

取消订阅所有事件 Unsubscribe event

Parameters​

event?​

keyof T

Returns​

this

removeListener()​

removeListener<K>(event, listener): this

Defined in: packages/ov0/src/core/utils/event/index.ts:91

off方法别名

Type Parameters​

K​

K extends string | number | symbol

Parameters​

event​

K

listener​

Listener<T[K]>

Returns​

this