takeIf

ts

function takeIf<T>(
  value: T,
  predicate: (value: T) => boolean
): T | null

Returns value if it satisfies the given predicate or null, if it doesn't.

Samples

ts

import { takeIf } from 'kotlinic'

function isEven(num: number): boolean {
  return num % 2 === 0
}

const result1 = takeIf(42, isEven)
const result2 = takeIf(59, isEven)

console.log(result1) // 42
console.log(result2) // null