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

Class: Array<T>

A shared Array implementation.

Implements

Extends

• AbstractType<YArrayEvent<T>>

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

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_eH

_eH: EventHandler<YArrayEvent<T>, Transaction>

Event handlers

Inherited from

@blocksuite/store.Y.AbstractType._eH

Source

node_modules/.pnpm/yjs@13.6.11/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@13.6.11/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@13.6.11/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@13.6.11/node_modules/yjs/dist/src/types/AbstractType.d.ts:27

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_prelimContent

private _prelimContent: any

Source

node_modules/.pnpm/yjs@13.6.11/node_modules/yjs/dist/src/types/YArray.d.ts:34

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_searchMarker

_searchMarker: ArraySearchMarker[]

Overrides

@blocksuite/store.Y.AbstractType._searchMarker

Source

node_modules/.pnpm/yjs@13.6.11/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@13.6.11/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@13.6.11/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@13.6.11/node_modules/yjs/dist/src/types/AbstractType.d.ts:81

---

length

get length(): number

Returns

number

Source

node_modules/.pnpm/yjs@13.6.11/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@13.6.11/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@13.6.11/node_modules/yjs/dist/src/types/YArray.d.ts:143

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_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@13.6.11/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@13.6.11/node_modules/yjs/dist/src/types/YArray.d.ts:53

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_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@13.6.11/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@13.6.11/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@13.6.11/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@13.6.11/node_modules/yjs/dist/src/types/YArray.d.ts:96

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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@13.6.11/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@13.6.11/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

// 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@13.6.11/node_modules/yjs/dist/src/types/YArray.d.ts:75

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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@13.6.11/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@13.6.11/node_modules/yjs/dist/src/types/AbstractType.d.ts:95

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

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

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slice()

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

Transforms this YArray to a JavaScript Array.

Parameters

• start?: number

• end?: number

Returns

T[]

Source

node_modules/.pnpm/yjs@13.6.11/node_modules/yjs/dist/src/types/YArray.d.ts:117

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toArray()

toArray(): T[]

Transforms this YArray to a JavaScript Array.

Returns

T[]

Source

node_modules/.pnpm/yjs@13.6.11/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@13.6.11/node_modules/yjs/dist/src/types/YArray.d.ts:123

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

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

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unshift()

unshift(content): void

Preppends content to this YArray.

Parameters

• content: T[]

Array of content to preppend.

Returns

void

Source

node_modules/.pnpm/yjs@13.6.11/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@13.6.11/node_modules/yjs/dist/src/types/YArray.d.ts:27

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