ReadonlyArray.filter - Fleek Runtime APIs documentation

method ReadonlyArray.filter

Private



ReadonlyArray.filter<S extends T>(predicate: (value: T,
index: number,
array: readonly T[],
) => value is S,
thisArg?: any,
): S[]

Returns the elements of an array that meet the condition specified in a callback function.

Type Parameters



S extends T



predicate: (value: T,
index: number,
array: readonly T[],
) => value is S

A function that accepts up to three arguments. The filter method calls the predicate function one time for each element in the array.

optional



thisArg: any

An object to which the this keyword can refer in the predicate function. If thisArg is omitted, undefined is used as the this value.

S[]



ReadonlyArray.filter(predicate: (value: T,
index: number,
array: readonly T[],
) => unknown,
thisArg?: any,
): T[]

Returns the elements of an array that meet the condition specified in a callback function.



predicate: (value: T,
index: number,
array: readonly T[],
) => unknown

A function that accepts up to three arguments. The filter method calls the predicate function one time for each element in the array.

optional



thisArg: any

An object to which the this keyword can refer in the predicate function. If thisArg is omitted, undefined is used as the this value.

T[]