isArray()function

isArray(arr: MutableArray<T>, min: 1, max: 1): arr is [T]

isArray(arr: MutableArray<T>, min: 2, max: 2): arr is [T, T]

isArray(arr: MutableArray<T>, min: 3, max: 3): arr is [T, T, T]

isArray(arr: MutableArray<T>, min?: 1, max?: number): arr is [T, ...T[]]

isArray(arr: MutableArray<T>, min: 2, max?: number): arr is [T, T, ...T[]]

isArray(arr: MutableArray<T>, min: 3, max?: number): arr is [T, T, T, ...T[]]

isArray(arr: MutableArray<T>, min?: number, max?: number): arr is MutableArray<T>

isArray(arr: ImmutableArray<T>, min: 1, max: 1): arr is readonly [T]

isArray(arr: ImmutableArray<T>, min: 2, max: 2): arr is readonly [T, T]

isArray(arr: ImmutableArray<T>, min: 3, max: 3): arr is readonly [T, T, T]

isArray(arr: ImmutableArray<T>, min?: 1, max?: number): arr is readonly [T, ...T[]]

isArray(arr: ImmutableArray<T>, min: 2, max?: number): arr is readonly [T, T, ...T[]]

isArray(arr: ImmutableArray<T>, min: 3, max?: number): arr is readonly [T, T, T, ...T[]]

isArray(value: unknown, min?: number, max?: number): value is ImmutableArray<T>

Param	Type
`arr`	`MutableArray<T>`	Mutable array: an array that can be changed. required
`min`	`1`	Minimum number of items the array must contain (defaults to `0`). required
`max`	`1`	Maximum number of items the array may contain (defaults to `Infinity`). required
`min`	`2`	required
`max`	`2`	required
`min`	`3`	required
`max`	`3`	required
`min`	`1`
`max`	`number`
`min`	`number`
`arr`	`ImmutableArray<T>`	Immutable array: an array that cannot be changed. required
`min`	`1`	required
`max`	`1`	required
`value`	`unknown`	required

Return
`arr is [T]`	`true` if `value` is an array within the length bounds, narrowing its type.
`arr is [T, T]`
`arr is [T, T, T]`
`arr is [T, ...T[]]`
`arr is [T, T, ...T[]]`
`arr is [T, T, T, ...T[]]`
`arr is MutableArray<T>`
`arr is readonly [T]`
`arr is readonly [T, T]`
`arr is readonly [T, T, T]`
`arr is readonly [T, ...T[]]`
`arr is readonly [T, T, ...T[]]`
`arr is readonly [T, T, T, ...T[]]`
`value is ImmutableArray<T>`

Is an unknown value an array (optionally with specified min/max length)?

Examples

isArray([1, 2, 3]); // true

isArray([1], 2, 2); // false