youtubei.js / Helpers / Maybe

Class: Maybe

A wrapper class that provides type-safe access to a value.

Constructors

new Maybe()

new Maybe(value): Maybe

Parameters

• value: any

Returns

Maybe

Defined in

src/parser/helpers.ts:67

Accessors

typeof

get typeof(): "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"

Returns

Defined in

src/parser/helpers.ts:82

Methods

any()

any(): any

Returns

any

Deprecated

This call is not meant to be used outside of debugging. Please use the specific type getter instead.

Defined in

src/parser/helpers.ts:278

array()

array(): any[]

Get the value as an array.

Returns

any[]

the value as any[].

Throws

If the value is not an array.

Defined in

src/parser/helpers.ts:166

arrayOfMaybe()

arrayOfMaybe(): Maybe[]

More typesafe variant of Maybe#array.

Returns

Maybe[]

a proxied array which returns all the values as Maybe.

Throws

If the value is not an array

Defined in

src/parser/helpers.ts:178

bigint()

bigint(): bigint

Returns

bigint

Defined in

src/parser/helpers.ts:102

boolean()

boolean(): boolean

Returns

boolean

Defined in

src/parser/helpers.ts:110

function()

function(): Function

Returns

Function

Defined in

src/parser/helpers.ts:153

instanceof()

instanceof<T>(type): T

Get the node as an instance of the given class.

Type Parameters

• T extends object

Parameters

• type: Constructor<T>

The type to check.

Returns

T

the value as the given type.

Throws

If the node is not of the given type.

Defined in

src/parser/helpers.ts:289

isArray()

isArray(): boolean

Check whether the value is an array.

Returns

boolean

whether the value is an array.

Defined in

src/parser/helpers.ts:194

isBigint()

isBigint(): boolean

Returns

boolean

Defined in

src/parser/helpers.ts:106

isBoolean()

isBoolean(): boolean

Returns

boolean

Defined in

src/parser/helpers.ts:114

isFunction()

isFunction(): boolean

Returns

boolean

Defined in

src/parser/helpers.ts:157

isInstanceof()

isInstanceof<T>(type): this is Maybe & T

Check if the node is an instance of the given class.

Type Parameters

• T extends object

Parameters

• type: Constructor<T>

The type to check.

Returns

this is Maybe & T

Whether the node is an instance of the given type.

Defined in

src/parser/helpers.ts:301

isNode()

isNode(): boolean

Check if the value is a YTNode.

Returns

boolean

Whether the value is a YTNode.

Defined in

src/parser/helpers.ts:214

isNodeOfType()

isNodeOfType<T, K>(...types): boolean

Check if the value is a YTNode of the given type.

Type Parameters

• T extends YTNode

• K extends YTNodeConstructor<T>[]

Parameters

• ...types: K

the type(s) to check.

Returns

boolean

Whether the value is a YTNode of the given type.

Defined in

src/parser/helpers.ts:233

isNull()

isNull(): boolean

Returns

boolean

Defined in

src/parser/helpers.ts:140

isNumber()

isNumber(): boolean

Returns

boolean

Defined in

src/parser/helpers.ts:98

isObject()

isObject(): boolean

Returns

boolean

Defined in

src/parser/helpers.ts:148

isObserved()

isObserved(): any

Check if the value is an ObservedArray.

Returns

any

Defined in

src/parser/helpers.ts:251

isParsed()

isParsed(): boolean

Is the result a SuperParsedResult?

Returns

boolean

Defined in

src/parser/helpers.ts:270

isString()

isString(): boolean

Returns

boolean

Defined in

src/parser/helpers.ts:90

isSymbol()

isSymbol(): boolean

Returns

boolean

Defined in

src/parser/helpers.ts:122

isUndefined()

isUndefined(): boolean

Returns

boolean

Defined in

src/parser/helpers.ts:130

node()

node(): YTNode

Get the value as a YTNode.

Returns

YTNode

the value as a YTNode.

Throws

If the value is not a YTNode.

Defined in

src/parser/helpers.ts:203

nodeOfType()

nodeOfType<T, K>(...types): InstanceType<K[number]>

Get the value as a YTNode of the given type.

Type Parameters

• T extends YTNode

• K extends YTNodeConstructor<T>[]

Parameters

• ...types: K

The type(s) to cast to.

Returns

InstanceType<K[number]>

The node cast to the given type.

Throws

If the node is not of the given type.

Defined in

src/parser/helpers.ts:224

null()

null(): null

Returns

null

Defined in

src/parser/helpers.ts:134

number()

number(): number

Returns

number

Defined in

src/parser/helpers.ts:94

object()

object(): object

Returns

object

Defined in

src/parser/helpers.ts:144

observed()

observed(): ObservedArray<YTNode>

Get the value as an ObservedArray.

Returns

ObservedArray<YTNode>

the value of the Maybe as a ObservedArray.

Defined in

src/parser/helpers.ts:241

parsed()

parsed(): SuperParsedResult<YTNode>

Get the value of the Maybe as a SuperParsedResult.

Returns

SuperParsedResult<YTNode>

the value as a SuperParsedResult.

Throws

If the value is not a SuperParsedResult.

Defined in

src/parser/helpers.ts:260

string()

string(): string

Returns

string

Defined in

src/parser/helpers.ts:86

symbol()

symbol(): symbol

Returns

symbol

Defined in

src/parser/helpers.ts:118

undefined()

undefined(): undefined

Returns

undefined

Defined in

src/parser/helpers.ts:126