Usage

list(3); // 0, 1, 2, 3
list(0, 3); // 0, 1, 2, 3
list(0, 3, "y"); // y, y, y, y
list(0, 3, () => "y"); // y, y, y, y
list(0, 3, (i) => i); // 0, 1, 2, 3
list(0, 3, (i) => `y${i}`); // y0, y1, y2, y3
list(0, 3, obj); // obj, obj, obj, obj
list(0, 6, (i) => i, 2); // 0, 2, 4, 6

Installation

CLI

npx atmx add helper list

Manually

Copy and paste the following method into @/utils/helpers/list.ts:

import { range } from "@/helpers/range.ts";

/**
* Creates a list of given start, end, value, and step parameters.
*
* @example
* list(3)                  // 0, 1, 2, 3
* list(0, 3)               // 0, 1, 2, 3
* list(0, 3, 'y')          // y, y, y, y
* list(0, 3, () => 'y')    // y, y, y, y
* list(0, 3, i => i)       // 0, 1, 2, 3
* list(0, 3, i => `y${i}`) // y0, y1, y2, y3
* list(0, 3, obj)          // obj, obj, obj, obj
* list(0, 6, i => i, 2)    // 0, 2, 4, 6
*/
export function list<T = number>(
startOrLength: number,
end?: number,
valueOrMapper?: T | ((i: number) => T),
step?: number,
): T[] {
return Array.from(range(startOrLength, end, valueOrMapper, step));
}