hkt-toolbelt/natural-number/digits.js

Functional and composable type utilities

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.digits = void 0;
const __1 = require("..");
/**
 * Given a natural number, return the list of digits.
 *
 * @param {number} x - The natural number to convert to a list of digits.
 *
 * Similar to `NaturalNumber.ToList`, but returns the list of digits as numbers
 * instead of strings.
 *
 * @example
 * ```ts
 * import { NaturalNumber } from "hkt-toolbelt";
 *
 * const result = NaturalNumber.digits(42)
 * //    ^? [4, 2]
 * ```
 */
exports.digits = ((x) => Number.isInteger(x) && Number(x) >= 0
    ? `${x}`.split('').map((d) => Number(d))
    : __1.Type.never);