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BlockSuite API Documentation / @blocksuite/store / Y / Array

Class: Array<T> ​

A shared Array implementation.

Contents ​

Implements ​

Extends ​

Type parameters ​

• T

Implements ​

  • Iterable<T>

Constructors ​

new Array(undefined) ​

new Array<T>(): Array<T>

Returns ​

Array<T>

Inherited from ​

@blocksuite/store.Y.AbstractType.constructor

Properties ​

_dEH ​

_dEH: EventHandler<YEvent<any>[], Transaction>

Deep event handlers

Inherited from ​

@blocksuite/store.Y.AbstractType._dEH

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/AbstractType.d.ts:46


_eH ​

_eH: EventHandler<YArrayEvent<T>, Transaction>

Event handlers

Inherited from ​

@blocksuite/store.Y.AbstractType._eH

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/AbstractType.d.ts:41


_item ​

_item: null | Item

Inherited from ​

@blocksuite/store.Y.AbstractType._item

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/AbstractType.d.ts:23


_length ​

_length: number

Inherited from ​

@blocksuite/store.Y.AbstractType._length

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/AbstractType.d.ts:36


_map ​

_map: Map<string, Item>

Inherited from ​

@blocksuite/store.Y.AbstractType._map

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/AbstractType.d.ts:27


_prelimContent ​

private _prelimContent: any

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/YArray.d.ts:34


_searchMarker ​

_searchMarker: ArraySearchMarker[]

Overrides ​

@blocksuite/store.Y.AbstractType._searchMarker

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/YArray.d.ts:38


_start ​

_start: null | Item

Inherited from ​

@blocksuite/store.Y.AbstractType._start

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/AbstractType.d.ts:31


doc ​

doc: null | Doc

Inherited from ​

@blocksuite/store.Y.AbstractType.doc

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/AbstractType.d.ts:35

Accessors ​

_first ​

get _first(): null | Item

The first non-deleted item

Returns ​

null | Item

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/AbstractType.d.ts:81


length ​

get length(): number

Returns ​

number

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/YArray.d.ts:58


parent ​

get parent(): null | AbstractType<any>

Returns ​

null | AbstractType<any>

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/AbstractType.d.ts:54

Methods ​

[iterator]() ​

[iterator](): IterableIterator<T>

Returns ​

IterableIterator<T>

Implementation of ​

Iterable.[iterator]

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/YArray.d.ts:143


_callObserver() ​

_callObserver(transaction, _parentSubs): void

Creates YEvent and calls all type observers. Must be implemented by each type.

Parameters ​

• transaction: Transaction

• _parentSubs: Set<null | string>

Keys changed on this type. null if list was modified.

Returns ​

void

Inherited from ​

@blocksuite/store.Y.AbstractType._callObserver

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/AbstractType.d.ts:89


_copy() ​

_copy(): Array<T>

Returns ​

Array<T>

Overrides ​

@blocksuite/store.Y.AbstractType._copy

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/YArray.d.ts:53


_integrate() ​

_integrate(y, item): void

Integrate this type into the Yjs instance.

  • Save this struct in the os
  • This type is sent to other client
  • Observer functions are fired

Parameters ​

• y: Doc

The Yjs instance

• item: Item

Returns ​

void

Overrides ​

@blocksuite/store.Y.AbstractType._integrate

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/YArray.d.ts:49


_write() ​

_write(_encoder): void

Parameters ​

• _encoder: UpdateEncoderV1 | UpdateEncoderV2

Returns ​

void

Inherited from ​

@blocksuite/store.Y.AbstractType._write

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/AbstractType.d.ts:77


clone() ​

clone(): Array<T>

Returns ​

Array<T>

Overrides ​

@blocksuite/store.Y.AbstractType.clone

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/YArray.d.ts:57


delete() ​

delete(index, length?): void

Deletes elements starting from an index.

Parameters ​

• index: number

Index at which to start deleting elements

• length?: number

The number of elements to remove. Defaults to 1.

Returns ​

void

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/YArray.d.ts:96


forEach() ​

forEach(f): void

Executes a provided function once on overy element of this YArray.

Parameters ​

• f: (arg0, arg1, arg2) => void

A function to execute on every element of this YArray.

Returns ​

void

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/YArray.d.ts:139


get() ​

get(index): T

Returns the i-th element from a YArray.

Parameters ​

• index: number

The index of the element to return from the YArray

Returns ​

T

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/YArray.d.ts:103


insert() ​

insert(index, content): void

Inserts new content at an index.

Important: This function expects an array of content. Not just a content object. The reason for this "weirdness" is that inserting several elements is very efficient when it is done as a single operation.

Parameters ​

• index: number

The index to insert content at.

• content: T[]

The array of content

Returns ​

void

Example ​

ts
// Insert character 'a' at position 0
 yarray.insert(0, ['a'])
 // Insert numbers 1, 2 at position 1
 yarray.insert(1, [1, 2])

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/YArray.d.ts:75


map() ​

map<M>(f): M[]

Returns an Array with the result of calling a provided function on every element of this YArray.

Type parameters ​

• M

Parameters ​

• f: (arg0, arg1, arg2) => M

Function that produces an element of the new Array

Returns ​

M[]

A new array with each element being the result of the callback function

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/YArray.d.ts:133


observe() ​

observe(f): void

Observe all events that are created on this type.

Parameters ​

• f: (arg0, arg1) => void

Observer function

Returns ​

void

Inherited from ​

@blocksuite/store.Y.AbstractType.observe

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/AbstractType.d.ts:95


observeDeep() ​

observeDeep(f): void

Observe all events that are created by this type and its children.

Parameters ​

• f: (arg0, arg1) => void

Observer function

Returns ​

void

Inherited from ​

@blocksuite/store.Y.AbstractType.observeDeep

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/AbstractType.d.ts:101


push() ​

push(content): void

Appends content to this YArray.

Parameters ​

• content: T[]

Array of content to append.

Returns ​

void

Todo ​

Use the following implementation in all types.

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/YArray.d.ts:83


slice() ​

slice(start?, end?): T[]

Transforms this YArray to a JavaScript Array.

Parameters ​

• start?: number

• end?: number

Returns ​

T[]

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/YArray.d.ts:117


toArray() ​

toArray(): T[]

Transforms this YArray to a JavaScript Array.

Returns ​

T[]

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/YArray.d.ts:109


toJSON() ​

toJSON(): any[]

Transforms this Shared Type to a JSON object.

Returns ​

any[]

Overrides ​

@blocksuite/store.Y.AbstractType.toJSON

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/YArray.d.ts:123


unobserve() ​

unobserve(f): void

Unregister an observer function.

Parameters ​

• f: (arg0, arg1) => void

Observer function

Returns ​

void

Inherited from ​

@blocksuite/store.Y.AbstractType.unobserve

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/AbstractType.d.ts:107


unobserveDeep() ​

unobserveDeep(f): void

Unregister an observer function.

Parameters ​

• f: (arg0, arg1) => void

Observer function

Returns ​

void

Inherited from ​

@blocksuite/store.Y.AbstractType.unobserveDeep

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/AbstractType.d.ts:113


unshift() ​

unshift(content): void

Preppends content to this YArray.

Parameters ​

• content: T[]

Array of content to preppend.

Returns ​

void

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/YArray.d.ts:89


from() ​

static from<T_1>(items): Array<T_1>

Construct a new YArray containing the specified items.

Type parameters ​

• T_1 extends null | string | number | any[] | Uint8Array | Object

Parameters ​

• items: T_1[]

Returns ​

Array<T_1>

Source ​

node_modules/.pnpm/yjs@13.6.10/node_modules/yjs/dist/src/types/YArray.d.ts:27


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