nTimes
Calls a function n times and returns an array of the results.
1. Code
const nTimes = <T>(fn: (i: number) => T, n: number = 1): T[] => {
if (n < 0) {
throw new Error("n must be greater than 0");
}
let result: T[] = [];
for (let i = 0; i < n; i++) {
result.push(fn(i));
}
return result;
};
export default nTimes;
2. Installation
npx @jrtilak/lazykit@latest add nTimes
3. Description
The nTimes
function calls a function n
times and returns an array of the results. The function is called with the index of the iteration as the first argument.
4. Props
Prop
Type
Default Value
function*Function---
nnumber1
5. Examples
import nTimes from ".";
const result = nTimes(() => "result", 3);
// Expected: ["result", "result", "result"]
// You can also use the index of the iteration.
const result2 = nTimes((i) => i, 3);
// Expected: [0, 1, 2]