BlockSuite API Documentation / @blocksuite/blocks / once

Function: once()

once(element, event, handler, options)

once<T, K, M>(element, event, handler, options?): () => void

Type parameters

• T extends HTMLElement

• K extends string | number | symbol

• M = HTMLElementEventMap

Parameters

• element: T

• event: K

• handler: (ev) => void

• options?: boolean | AddEventListenerOptions

Returns

Function

Returns

void

Source

packages/blocks/src/_common/utils/event.ts:82

once(element, event, handler, options)

once<T>(element, event, handler, options?): () => void

Type parameters

• T extends HTMLElement

Parameters

• element: T

• event: string

• handler: (ev) => void

• options?: boolean | AddEventListenerOptions

Returns

Function

Returns

void

Source

packages/blocks/src/_common/utils/event.ts:92

once(element, event, handler, options)

once<T, K, M>(element, event, handler, options?): () => void

Type parameters

• T extends Document

• K extends string | number | symbol

• M = DocumentEventMap

Parameters

• element: T

• event: K

• handler: (ev) => void

• options?: boolean | AddEventListenerOptions

Returns

Function

Returns

void

Source

packages/blocks/src/_common/utils/event.ts:98

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